{ "type": "FeatureCollection", "features": [ { "type": "Feature", "stac_version": "1.1.0", "stac_extensions": [ "https://stac-extensions.github.io/pointcloud/v1.0.0/schema.json" ], "id": "20070218_4187_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.61663821642017, 13.44611713868787, -48.955 ], [ 144.61661314613264, 13.44865240816376, -48.955 ], [ 144.6171010658313, 13.448657030520259, -32.555 ], [ 144.61712613099846, 13.446121760142034, -32.555 ], [ 144.61663821642017, 13.44611713868787, -48.955 ] ] ] }, "bbox": [ 144.6166131, 13.44611714, -48.955, 144.6171261, 13.44865703, -32.555 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 936, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 241982.831, "count": 936, "maximum": 241999.961, "minimum": 241947.101, "name": "X", "position": 0, "stddev": 12.51155938, "variance": 156.5391182 }, { "average": 1487875.722, "count": 936, "maximum": 1487999.952, "minimum": 1487719.332, "name": "Y", "position": 1, "stddev": 63.73577508, "variance": 4062.249025 }, { "average": -40.36941239, "count": 936, "maximum": -32.555, "minimum": -48.955, "name": "Z", "position": 2, "stddev": 3.994174003, "variance": 15.95342596 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 936, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 936, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 936, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 936, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 241947.101, 1487719.332, -48.955, 241999.961, 1487999.952, -32.555 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 241947.10097295998, 1487719.331879263, -48.955 ], [ 241947.10097295998, 1487999.9518792632, -48.955 ], [ 241999.96097295996, 1487999.9518792632, -32.555 ], [ 241999.96097295996, 1487719.331879263, -32.555 ], [ 241947.10097295998, 1487719.331879263, -48.955 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_4187_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_4187_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_4187_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4187_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6166131, 13.44611714, -48.955, 144.6171261, 13.44865703, -32.555 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.61663821642017, 13.44611713868787, -48.955 ], [ 144.61661314613264, 13.44865240816376, -48.955 ], [ 144.6171010658313, 13.448657030520259, -32.555 ], [ 144.61712613099846, 13.446121760142034, -32.555 ], [ 144.61663821642017, 13.44611713868787, -48.955 ] ] ] }, "id": "20070218_4187_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4187_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 936, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 241982.831, "count": 936, "maximum": 241999.961, "minimum": 241947.101, "name": "X", "position": 0, "stddev": 12.51155938, "variance": 156.5391182 }, { "average": 1487875.722, "count": 936, "maximum": 1487999.952, "minimum": 1487719.332, "name": "Y", "position": 1, "stddev": 63.73577508, "variance": 4062.249025 }, { "average": -40.36941239, "count": 936, "maximum": -32.555, "minimum": -48.955, "name": "Z", "position": 2, "stddev": 3.994174003, "variance": 15.95342596 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 936, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 936, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 936, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 936, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 936, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 241947.101, 1487719.332, -48.955, 241999.961, 1487999.952, -32.555 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 241947.10097295998, 1487719.331879263, -48.955 ], [ 241947.10097295998, 1487999.9518792632, -48.955 ], [ 241999.96097295996, 1487999.9518792632, -32.555 ], [ 241999.96097295996, 1487719.331879263, -32.555 ], [ 241947.10097295998, 1487719.331879263, -48.955 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7093_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.88059009101426, 13.496199486817806, 58.02 ], [ 144.8805811078739, 13.497217317579985, 58.02 ], [ 144.88440249315838, 13.49724958840714, 142.46 ], [ 144.88441146013136, 13.496231755123459, 142.46 ], [ 144.88059009101426, 13.496199486817806, 58.02 ] ] ] }, "bbox": [ 144.8805811, 13.49619949, 58.02, 144.8844115, 13.49724959, 142.46 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 1315, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 270800.9093, "count": 1315, "maximum": 270999.8617, "minimum": 270586.0217, "name": "X", "position": 0, "stddev": 137.7307756, "variance": 18969.76654 }, { "average": 1493038.93, "count": 1315, "maximum": 1493112.627, "minimum": 1492999.987, "name": "Y", "position": 1, "stddev": 27.26276333, "variance": 743.2582642 }, { "average": 101.0996654, "count": 1315, "maximum": 142.46, "minimum": 58.02, "name": "Z", "position": 2, "stddev": 32.75838197, "variance": 1073.11159 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1315, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1315, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 1315, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1315, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 270586.0217, 1492999.987, 58.02, 270999.8617, 1493112.627, 142.46 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 270586.0216901865, 1492999.986548233, 58.02 ], [ 270586.0216901865, 1493112.6265482332, 58.02 ], [ 270999.8616901865, 1493112.6265482332, 142.46 ], [ 270999.8616901865, 1492999.986548233, 142.46 ], [ 270586.0216901865, 1492999.986548233, 58.02 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7093_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7093_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7093_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7093_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8805811, 13.49619949, 58.02, 144.8844115, 13.49724959, 142.46 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.88059009101426, 13.496199486817806, 58.02 ], [ 144.8805811078739, 13.497217317579985, 58.02 ], [ 144.88440249315838, 13.49724958840714, 142.46 ], [ 144.88441146013136, 13.496231755123459, 142.46 ], [ 144.88059009101426, 13.496199486817806, 58.02 ] ] ] }, "id": "20070218_7093_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7093_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 1315, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 270800.9093, "count": 1315, "maximum": 270999.8617, "minimum": 270586.0217, "name": "X", "position": 0, "stddev": 137.7307756, "variance": 18969.76654 }, { "average": 1493038.93, "count": 1315, "maximum": 1493112.627, "minimum": 1492999.987, "name": "Y", "position": 1, "stddev": 27.26276333, "variance": 743.2582642 }, { "average": 101.0996654, "count": 1315, "maximum": 142.46, "minimum": 58.02, "name": "Z", "position": 2, "stddev": 32.75838197, "variance": 1073.11159 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1315, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1315, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 1315, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1315, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1315, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 270586.0217, 1492999.987, 58.02, 270999.8617, 1493112.627, 142.46 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 270586.0216901865, 1492999.986548233, 58.02 ], [ 270586.0216901865, 1493112.6265482332, 58.02 ], [ 270999.8616901865, 1493112.6265482332, 142.46 ], [ 270999.8616901865, 1492999.986548233, 142.46 ], [ 270586.0216901865, 1492999.986548233, 58.02 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6385_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.81115846198176, 13.427914250552975, -50.455 ], [ 144.8111182634253, 13.432347019940421, -50.455 ], [ 144.8150669412989, 13.432381306626386, -14.055 ], [ 144.8151070674748, 13.427948525515921, -14.055 ], [ 144.81115846198176, 13.427914250552975, -50.455 ] ] ] }, "bbox": [ 144.8111183, 13.42791425, -50.455, 144.8151071, 13.43238131, -14.055 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 19062, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 263151.0474, "count": 19062, "maximum": 263427.7597, "minimum": 262999.9997, "name": "X", "position": 0, "stddev": 100.2960937, "variance": 10059.30642 }, { "average": 1485813.728, "count": 19062, "maximum": 1485999.939, "minimum": 1485509.359, "name": "Y", "position": 1, "stddev": 123.3426664, "variance": 15213.41335 }, { "average": -37.02423355, "count": 19062, "maximum": -14.055, "minimum": -50.455, "name": "Z", "position": 2, "stddev": 7.579889569, "variance": 57.45472587 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19062, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19062, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 19062, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19062, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 262999.9997, 1485509.359, -50.455, 263427.7597, 1485999.939, -14.055 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 262999.99972482625, 1485509.3592654546, -50.455 ], [ 262999.99972482625, 1485999.9392654547, -50.455 ], [ 263427.75972482626, 1485999.9392654547, -14.055 ], [ 263427.75972482626, 1485509.3592654546, -14.055 ], [ 262999.99972482625, 1485509.3592654546, -50.455 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6385_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6385_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6385_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6385_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8111183, 13.42791425, -50.455, 144.8151071, 13.43238131, -14.055 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.81115846198176, 13.427914250552975, -50.455 ], [ 144.8111182634253, 13.432347019940421, -50.455 ], [ 144.8150669412989, 13.432381306626386, -14.055 ], [ 144.8151070674748, 13.427948525515921, -14.055 ], [ 144.81115846198176, 13.427914250552975, -50.455 ] ] ] }, "id": "20070218_6385_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6385_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 19062, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 263151.0474, "count": 19062, "maximum": 263427.7597, "minimum": 262999.9997, "name": "X", "position": 0, "stddev": 100.2960937, "variance": 10059.30642 }, { "average": 1485813.728, "count": 19062, "maximum": 1485999.939, "minimum": 1485509.359, "name": "Y", "position": 1, "stddev": 123.3426664, "variance": 15213.41335 }, { "average": -37.02423355, "count": 19062, "maximum": -14.055, "minimum": -50.455, "name": "Z", "position": 2, "stddev": 7.579889569, "variance": 57.45472587 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19062, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19062, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 19062, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19062, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19062, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 262999.9997, 1485509.359, -50.455, 263427.7597, 1485999.939, -14.055 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 262999.99972482625, 1485509.3592654546, -50.455 ], [ 262999.99972482625, 1485999.9392654547, -50.455 ], [ 263427.75972482626, 1485999.9392654547, -14.055 ], [ 263427.75972482626, 1485509.3592654546, -14.055 ], [ 262999.99972482625, 1485509.3592654546, -50.455 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5869_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.76634300679493, 13.282129687906636, -48.415 ], [ 144.76629502454387, 13.287373408996947, -48.415 ], [ 144.7686048460043, 13.287393679683692, -14.725 ], [ 144.76865277873884, 13.282149950313627, -14.725 ], [ 144.76634300679493, 13.282129687906636, -48.415 ] ] ] }, "bbox": [ 144.766295, 13.28212969, -48.415, 144.7686528, 13.28739368, -14.725 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 11532, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258079.2872, "count": 11532, "maximum": 258250.4033, "minimum": 258000.0233, "name": "X", "position": 0, "stddev": 53.56435939, "variance": 2869.140596 }, { "average": 1469777.086, "count": 11532, "maximum": 1469999.986, "minimum": 1469419.646, "name": "Y", "position": 1, "stddev": 149.2349436, "variance": 22271.0684 }, { "average": -23.2951188, "count": 11532, "maximum": -14.725, "minimum": -48.415, "name": "Z", "position": 2, "stddev": 5.65875026, "variance": 32.02145451 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 11532, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 11532, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 11532, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 11532, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258000.0233, 1469419.646, -48.415, 258250.4033, 1469999.986, -14.725 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258000.02325524113, 1469419.6463273098, -48.415 ], [ 258000.02325524113, 1469999.9863273096, -48.415 ], [ 258250.40325524114, 1469999.9863273096, -14.725 ], [ 258250.40325524114, 1469419.6463273098, -14.725 ], [ 258000.02325524113, 1469419.6463273098, -48.415 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5869_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5869_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5869_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5869_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.766295, 13.28212969, -48.415, 144.7686528, 13.28739368, -14.725 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.76634300679493, 13.282129687906636, -48.415 ], [ 144.76629502454387, 13.287373408996947, -48.415 ], [ 144.7686048460043, 13.287393679683692, -14.725 ], [ 144.76865277873884, 13.282149950313627, -14.725 ], [ 144.76634300679493, 13.282129687906636, -48.415 ] ] ] }, "id": "20070218_5869_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5869_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 11532, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258079.2872, "count": 11532, "maximum": 258250.4033, "minimum": 258000.0233, "name": "X", "position": 0, "stddev": 53.56435939, "variance": 2869.140596 }, { "average": 1469777.086, "count": 11532, "maximum": 1469999.986, "minimum": 1469419.646, "name": "Y", "position": 1, "stddev": 149.2349436, "variance": 22271.0684 }, { "average": -23.2951188, "count": 11532, "maximum": -14.725, "minimum": -48.415, "name": "Z", "position": 2, "stddev": 5.65875026, "variance": 32.02145451 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 11532, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 11532, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 11532, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 11532, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11532, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258000.0233, 1469419.646, -48.415, 258250.4033, 1469999.986, -14.725 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258000.02325524113, 1469419.6463273098, -48.415 ], [ 258000.02325524113, 1469999.9863273096, -48.415 ], [ 258250.40325524114, 1469999.9863273096, -14.725 ], [ 258250.40325524114, 1469419.6463273098, -14.725 ], [ 258000.02325524113, 1469419.6463273098, -48.415 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7700_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.93927334927338, 13.559948495957617, -51.025 ], [ 144.93919540312345, 13.568984564808394, -51.025 ], [ 144.94843213177398, 13.569060678263241, 96.875 ], [ 144.948509729109, 13.560024556860846, 96.875 ], [ 144.93927334927338, 13.559948495957617, -51.025 ] ] ] }, "bbox": [ 144.9391954, 13.5599485, -51.025, 144.9485097, 13.56906068, 96.875 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 164566, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 277473.2848, "count": 164566, "maximum": 277999.9579, "minimum": 276999.9979, "name": "X", "position": 0, "stddev": 262.43124, "variance": 68870.15571 }, { "average": 1500534.859, "count": 164566, "maximum": 1500999.971, "minimum": 1500000.011, "name": "Y", "position": 1, "stddev": 280.2589549, "variance": 78545.08181 }, { "average": -25.36852242, "count": 164566, "maximum": 96.875, "minimum": -51.025, "name": "Z", "position": 2, "stddev": 17.15821958, "variance": 294.404499 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 164566, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 164566, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.15666663, "count": 164566, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.6674265155, "variance": 0.4454581536 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 164566, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 276999.9979, 1500000.011, -51.025, 277999.9579, 1500999.971, 96.875 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276999.9978550315, 1500000.0106253163, -51.025 ], [ 276999.9978550315, 1500999.9706253163, -51.025 ], [ 277999.9578550315, 1500999.9706253163, 96.875 ], [ 277999.9578550315, 1500000.0106253163, 96.875 ], [ 276999.9978550315, 1500000.0106253163, -51.025 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7700_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7700_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7700_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7700_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9391954, 13.5599485, -51.025, 144.9485097, 13.56906068, 96.875 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.93927334927338, 13.559948495957617, -51.025 ], [ 144.93919540312345, 13.568984564808394, -51.025 ], [ 144.94843213177398, 13.569060678263241, 96.875 ], [ 144.948509729109, 13.560024556860846, 96.875 ], [ 144.93927334927338, 13.559948495957617, -51.025 ] ] ] }, "id": "20070218_7700_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7700_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 164566, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 277473.2848, "count": 164566, "maximum": 277999.9579, "minimum": 276999.9979, "name": "X", "position": 0, "stddev": 262.43124, "variance": 68870.15571 }, { "average": 1500534.859, "count": 164566, "maximum": 1500999.971, "minimum": 1500000.011, "name": "Y", "position": 1, "stddev": 280.2589549, "variance": 78545.08181 }, { "average": -25.36852242, "count": 164566, "maximum": 96.875, "minimum": -51.025, "name": "Z", "position": 2, "stddev": 17.15821958, "variance": 294.404499 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 164566, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 164566, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.15666663, "count": 164566, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.6674265155, "variance": 0.4454581536 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 164566, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 164566, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 276999.9979, 1500000.011, -51.025, 277999.9579, 1500999.971, 96.875 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276999.9978550315, 1500000.0106253163, -51.025 ], [ 276999.9978550315, 1500999.9706253163, -51.025 ], [ 277999.9578550315, 1500999.9706253163, 96.875 ], [ 277999.9578550315, 1500000.0106253163, 96.875 ], [ 276999.9978550315, 1500000.0106253163, -51.025 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5870_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.76629461860526, 13.287373525689805, -44.84 ], [ 144.7662118921687, 13.296408941141387, -44.84 ], [ 144.77277591974558, 13.296466529695943, 72.42 ], [ 144.77285840358277, 13.287431073739555, 72.42 ], [ 144.76629461860526, 13.287373525689805, -44.84 ] ] ] }, "bbox": [ 144.7662119, 13.28737353, -44.84, 144.7728584, 13.29646653, 72.42 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 50534, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258251.2254, "count": 50534, "maximum": 258711.4794, "minimum": 257999.9794, "name": "X", "position": 0, "stddev": 169.4336904, "variance": 28707.77545 }, { "average": 1470598.962, "count": 50534, "maximum": 1470999.98, "minimum": 1470000, "name": "Y", "position": 1, "stddev": 302.5217892, "variance": 91519.43291 }, { "average": -7.182102149, "count": 50534, "maximum": 72.42, "minimum": -44.84, "name": "Z", "position": 2, "stddev": 16.9989459, "variance": 288.9641616 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50534, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50534, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.6749911, "count": 50534, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.252753512, "variance": 1.569391363 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50534, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 257999.9794, 1470000, -44.84, 258711.4794, 1470999.98, 72.42 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 257999.97937157756, 1469999.999635502, -44.84 ], [ 257999.97937157756, 1470999.979635502, -44.84 ], [ 258711.47937157756, 1470999.979635502, 72.42 ], [ 258711.47937157756, 1469999.999635502, 72.42 ], [ 257999.97937157756, 1469999.999635502, -44.84 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5870_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5870_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5870_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5870_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7662119, 13.28737353, -44.84, 144.7728584, 13.29646653, 72.42 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.76629461860526, 13.287373525689805, -44.84 ], [ 144.7662118921687, 13.296408941141387, -44.84 ], [ 144.77277591974558, 13.296466529695943, 72.42 ], [ 144.77285840358277, 13.287431073739555, 72.42 ], [ 144.76629461860526, 13.287373525689805, -44.84 ] ] ] }, "id": "20070218_5870_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5870_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 50534, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258251.2254, "count": 50534, "maximum": 258711.4794, "minimum": 257999.9794, "name": "X", "position": 0, "stddev": 169.4336904, "variance": 28707.77545 }, { "average": 1470598.962, "count": 50534, "maximum": 1470999.98, "minimum": 1470000, "name": "Y", "position": 1, "stddev": 302.5217892, "variance": 91519.43291 }, { "average": -7.182102149, "count": 50534, "maximum": 72.42, "minimum": -44.84, "name": "Z", "position": 2, "stddev": 16.9989459, "variance": 288.9641616 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50534, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50534, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.6749911, "count": 50534, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.252753512, "variance": 1.569391363 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50534, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50534, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 257999.9794, 1470000, -44.84, 258711.4794, 1470999.98, 72.42 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 257999.97937157756, 1469999.999635502, -44.84 ], [ 257999.97937157756, 1470999.979635502, -44.84 ], [ 258711.47937157756, 1470999.979635502, 72.42 ], [ 258711.47937157756, 1469999.999635502, 72.42 ], [ 257999.97937157756, 1469999.999635502, -44.84 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_4188_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6166513887088, 13.448656798217929, -49.205 ], [ 144.61663832908948, 13.449977284765863, -49.205 ], [ 144.61708785273632, 13.449981543750358, -39.805 ], [ 144.6171009098982, 13.44866105676943, -39.805 ], [ 144.6166513887088, 13.448656798217929, -49.205 ] ] ] }, "bbox": [ 144.6166383, 13.4486568, -49.205, 144.6171009, 13.44998154, -39.805 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 601, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 241981.6066, "count": 601, "maximum": 241999.9484, "minimum": 241951.2484, "name": "X", "position": 0, "stddev": 11.83250654, "variance": 140.008211 }, { "average": 1488047.277, "count": 601, "maximum": 1488146.558, "minimum": 1488000.398, "name": "Y", "position": 1, "stddev": 31.94426337, "variance": 1020.435962 }, { "average": -44.59574875, "count": 601, "maximum": -39.805, "minimum": -49.205, "name": "Z", "position": 2, "stddev": 2.531686382, "variance": 6.409435938 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 601, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 601, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 601, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 601, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 241951.2484, 1488000.398, -49.205, 241999.9484, 1488146.558, -39.805 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 241951.24839364912, 1488000.397652159, -49.205 ], [ 241951.24839364912, 1488146.5576521591, -49.205 ], [ 241999.94839364913, 1488146.5576521591, -39.805 ], [ 241999.94839364913, 1488000.397652159, -39.805 ], [ 241951.24839364912, 1488000.397652159, -49.205 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_4188_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_4188_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_4188_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4188_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6166383, 13.4486568, -49.205, 144.6171009, 13.44998154, -39.805 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6166513887088, 13.448656798217929, -49.205 ], [ 144.61663832908948, 13.449977284765863, -49.205 ], [ 144.61708785273632, 13.449981543750358, -39.805 ], [ 144.6171009098982, 13.44866105676943, -39.805 ], [ 144.6166513887088, 13.448656798217929, -49.205 ] ] ] }, "id": "20070218_4188_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4188_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 601, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 241981.6066, "count": 601, "maximum": 241999.9484, "minimum": 241951.2484, "name": "X", "position": 0, "stddev": 11.83250654, "variance": 140.008211 }, { "average": 1488047.277, "count": 601, "maximum": 1488146.558, "minimum": 1488000.398, "name": "Y", "position": 1, "stddev": 31.94426337, "variance": 1020.435962 }, { "average": -44.59574875, "count": 601, "maximum": -39.805, "minimum": -49.205, "name": "Z", "position": 2, "stddev": 2.531686382, "variance": 6.409435938 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 601, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 601, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 601, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 601, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 601, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 241951.2484, 1488000.398, -49.205, 241999.9484, 1488146.558, -39.805 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 241951.24839364912, 1488000.397652159, -49.205 ], [ 241951.24839364912, 1488146.5576521591, -49.205 ], [ 241999.94839364913, 1488146.5576521591, -39.805 ], [ 241999.94839364913, 1488000.397652159, -39.805 ], [ 241951.24839364912, 1488000.397652159, -49.205 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7192_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.8844760807106, 13.489041245012723, -49.105 ], [ 144.88441275509268, 13.496231683061266, -49.105 ], [ 144.89268195723128, 13.496301310310876, 77.935 ], [ 144.89274503577832, 13.489110833827331, 77.935 ], [ 144.8844760807106, 13.489041245012723, -49.105 ] ] ] }, "bbox": [ 144.8844128, 13.48904125, -49.105, 144.892745, 13.49630131, 77.935 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 83432, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 271308.5194, "count": 83432, "maximum": 271895.5219, "minimum": 271000.0019, "name": "X", "position": 0, "stddev": 205.9230887, "variance": 42404.31848 }, { "average": 1492688.718, "count": 83432, "maximum": 1492999.977, "minimum": 1492204.237, "name": "Y", "position": 1, "stddev": 211.8765335, "variance": 44891.66545 }, { "average": 8.015909004, "count": 83432, "maximum": 77.935, "minimum": -49.105, "name": "Z", "position": 2, "stddev": 36.68589387, "variance": 1345.854809 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 83432, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 83432, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.36631029, "count": 83432, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.494039429, "variance": 2.232153815 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 83432, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 271000.0019, 1492204.237, -49.105, 271895.5219, 1492999.977, 77.935 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 271000.00185030897, 1492204.2373650167, -49.105 ], [ 271000.00185030897, 1492999.977365017, -49.105 ], [ 271895.521850309, 1492999.977365017, 77.935 ], [ 271895.521850309, 1492204.2373650167, 77.935 ], [ 271000.00185030897, 1492204.2373650167, -49.105 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7192_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7192_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7192_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7192_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8844128, 13.48904125, -49.105, 144.892745, 13.49630131, 77.935 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.8844760807106, 13.489041245012723, -49.105 ], [ 144.88441275509268, 13.496231683061266, -49.105 ], [ 144.89268195723128, 13.496301310310876, 77.935 ], [ 144.89274503577832, 13.489110833827331, 77.935 ], [ 144.8844760807106, 13.489041245012723, -49.105 ] ] ] }, "id": "20070218_7192_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7192_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 83432, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 271308.5194, "count": 83432, "maximum": 271895.5219, "minimum": 271000.0019, "name": "X", "position": 0, "stddev": 205.9230887, "variance": 42404.31848 }, { "average": 1492688.718, "count": 83432, "maximum": 1492999.977, "minimum": 1492204.237, "name": "Y", "position": 1, "stddev": 211.8765335, "variance": 44891.66545 }, { "average": 8.015909004, "count": 83432, "maximum": 77.935, "minimum": -49.105, "name": "Z", "position": 2, "stddev": 36.68589387, "variance": 1345.854809 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 83432, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 83432, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.36631029, "count": 83432, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.494039429, "variance": 2.232153815 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 83432, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83432, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 271000.0019, 1492204.237, -49.105, 271895.5219, 1492999.977, 77.935 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 271000.00185030897, 1492204.2373650167, -49.105 ], [ 271000.00185030897, 1492999.977365017, -49.105 ], [ 271895.521850309, 1492999.977365017, 77.935 ], [ 271895.521850309, 1492204.2373650167, 77.935 ], [ 271000.00185030897, 1492204.2373650167, -49.105 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6386_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.81111807063172, 13.432347592426922, -50.2 ], [ 144.8110360881723, 13.441382998625194, -50.2 ], [ 144.82026732496945, 13.441463110216867, 62.56 ], [ 144.8203489623691, 13.432427648238386, 62.56 ], [ 144.81111807063172, 13.432347592426922, -50.2 ] ] ] }, "bbox": [ 144.8110361, 13.43234759, -50.2, 144.820349, 13.44146311, 62.56 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 122273, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 263464.7902, "count": 122273, "maximum": 263999.9594, "minimum": 262999.9794, "name": "X", "position": 0, "stddev": 276.5844034, "variance": 76498.93222 }, { "average": 1486577.051, "count": 122273, "maximum": 1486999.963, "minimum": 1486000.003, "name": "Y", "position": 1, "stddev": 261.5957781, "variance": 68432.35111 }, { "average": -8.001338399, "count": 122273, "maximum": 62.56, "minimum": -50.2, "name": "Z", "position": 2, "stddev": 17.77788042, "variance": 316.0530321 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 122273, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 122273, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.99149444, "count": 122273, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.411183328, "variance": 1.991438385 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 122273, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 262999.9794, 1486000.003, -50.2, 263999.9594, 1486999.963, 62.56 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 262999.9794035938, 1486000.0028036735, -50.2 ], [ 262999.9794035938, 1486999.9628036735, -50.2 ], [ 263999.9594035938, 1486999.9628036735, 62.56 ], [ 263999.9594035938, 1486000.0028036735, 62.56 ], [ 262999.9794035938, 1486000.0028036735, -50.2 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6386_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6386_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6386_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6386_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8110361, 13.43234759, -50.2, 144.820349, 13.44146311, 62.56 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.81111807063172, 13.432347592426922, -50.2 ], [ 144.8110360881723, 13.441382998625194, -50.2 ], [ 144.82026732496945, 13.441463110216867, 62.56 ], [ 144.8203489623691, 13.432427648238386, 62.56 ], [ 144.81111807063172, 13.432347592426922, -50.2 ] ] ] }, "id": "20070218_6386_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6386_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 122273, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 263464.7902, "count": 122273, "maximum": 263999.9594, "minimum": 262999.9794, "name": "X", "position": 0, "stddev": 276.5844034, "variance": 76498.93222 }, { "average": 1486577.051, "count": 122273, "maximum": 1486999.963, "minimum": 1486000.003, "name": "Y", "position": 1, "stddev": 261.5957781, "variance": 68432.35111 }, { "average": -8.001338399, "count": 122273, "maximum": 62.56, "minimum": -50.2, "name": "Z", "position": 2, "stddev": 17.77788042, "variance": 316.0530321 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 122273, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 122273, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.99149444, "count": 122273, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.411183328, "variance": 1.991438385 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 122273, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 122273, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 262999.9794, 1486000.003, -50.2, 263999.9594, 1486999.963, 62.56 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 262999.9794035938, 1486000.0028036735, -50.2 ], [ 262999.9794035938, 1486999.9628036735, -50.2 ], [ 263999.9594035938, 1486999.9628036735, 62.56 ], [ 263999.9594035938, 1486000.0028036735, 62.56 ], [ 262999.9794035938, 1486000.0028036735, -50.2 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_4286_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.62043351248386, 13.436157060721568, -42.16 ], [ 144.6203990203225, 13.43965325497572, -42.16 ], [ 144.62642056347872, 13.439710095630444, 63.02 ], [ 144.62645496857402, 13.436213886192117, 63.02 ], [ 144.62043351248386, 13.436157060721568, -42.16 ] ] ] }, "bbox": [ 144.620399, 13.43615706, -42.16, 144.626455, 13.4397101, 63.02 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 27958, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 242723.9597, "count": 27958, "maximum": 242999.9718, "minimum": 242347.5918, "name": "X", "position": 0, "stddev": 168.8718876, "variance": 28517.71441 }, { "average": 1486838.499, "count": 27958, "maximum": 1486999.997, "minimum": 1486613.017, "name": "Y", "position": 1, "stddev": 97.45099258, "variance": 9496.695954 }, { "average": 5.612060591, "count": 27958, "maximum": 63.02, "minimum": -42.16, "name": "Z", "position": 2, "stddev": 36.64498697, "variance": 1342.85507 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27958, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27958, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.28313899, "count": 27958, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.484267531, "variance": 2.203050103 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27958, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242347.5918, 1486613.017, -42.16, 242999.9718, 1486999.997, 63.02 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242347.59183021233, 1486613.0167081167, -42.16 ], [ 242347.59183021233, 1486999.9967081167, -42.16 ], [ 242999.97183021234, 1486999.9967081167, 63.02 ], [ 242999.97183021234, 1486613.0167081167, 63.02 ], [ 242347.59183021233, 1486613.0167081167, -42.16 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_4286_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_4286_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_4286_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4286_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.620399, 13.43615706, -42.16, 144.626455, 13.4397101, 63.02 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.62043351248386, 13.436157060721568, -42.16 ], [ 144.6203990203225, 13.43965325497572, -42.16 ], [ 144.62642056347872, 13.439710095630444, 63.02 ], [ 144.62645496857402, 13.436213886192117, 63.02 ], [ 144.62043351248386, 13.436157060721568, -42.16 ] ] ] }, "id": "20070218_4286_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4286_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 27958, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 242723.9597, "count": 27958, "maximum": 242999.9718, "minimum": 242347.5918, "name": "X", "position": 0, "stddev": 168.8718876, "variance": 28517.71441 }, { "average": 1486838.499, "count": 27958, "maximum": 1486999.997, "minimum": 1486613.017, "name": "Y", "position": 1, "stddev": 97.45099258, "variance": 9496.695954 }, { "average": 5.612060591, "count": 27958, "maximum": 63.02, "minimum": -42.16, "name": "Z", "position": 2, "stddev": 36.64498697, "variance": 1342.85507 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27958, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27958, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.28313899, "count": 27958, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.484267531, "variance": 2.203050103 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27958, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27958, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242347.5918, 1486613.017, -42.16, 242999.9718, 1486999.997, 63.02 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242347.59183021233, 1486613.0167081167, -42.16 ], [ 242347.59183021233, 1486999.9967081167, -42.16 ], [ 242999.97183021234, 1486999.9967081167, 63.02 ], [ 242999.97183021234, 1486613.0167081167, 63.02 ], [ 242347.59183021233, 1486613.0167081167, -42.16 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5871_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.7662120332487, 13.296408914093501, -42.38 ], [ 144.76612924208817, 13.305444683962936, -42.38 ], [ 144.77535502592883, 13.305525630533785, 70.7 ], [ 144.7754374759003, 13.296489803790896, 70.7 ], [ 144.7662120332487, 13.296408914093501, -42.38 ] ] ] }, "bbox": [ 144.7661292, 13.29640891, -42.38, 144.7754375, 13.30552563, 70.7 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 87032, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258526.0342, "count": 87032, "maximum": 258999.9746, "minimum": 257999.9946, "name": "X", "position": 0, "stddev": 282.3714664, "variance": 79733.64501 }, { "average": 1471406.259, "count": 87032, "maximum": 1471999.997, "minimum": 1470999.977, "name": "Y", "position": 1, "stddev": 283.0229762, "variance": 80102.00506 }, { "average": 4.283799407, "count": 87032, "maximum": 70.7, "minimum": -42.38, "name": "Z", "position": 2, "stddev": 18.79104066, "variance": 353.1032089 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 87032, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 87032, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.68955097, "count": 87032, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.487983827, "variance": 2.21409587 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 87032, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 257999.9946, 1470999.977, -42.38, 258999.9746, 1471999.997, 70.7 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 257999.99463572813, 1470999.9765050847, -42.38 ], [ 257999.99463572813, 1471999.9965050847, -42.38 ], [ 258999.9746357281, 1471999.9965050847, 70.7 ], [ 258999.9746357281, 1470999.9765050847, 70.7 ], [ 257999.99463572813, 1470999.9765050847, -42.38 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5871_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5871_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5871_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5871_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7661292, 13.29640891, -42.38, 144.7754375, 13.30552563, 70.7 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.7662120332487, 13.296408914093501, -42.38 ], [ 144.76612924208817, 13.305444683962936, -42.38 ], [ 144.77535502592883, 13.305525630533785, 70.7 ], [ 144.7754374759003, 13.296489803790896, 70.7 ], [ 144.7662120332487, 13.296408914093501, -42.38 ] ] ] }, "id": "20070218_5871_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5871_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 87032, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258526.0342, "count": 87032, "maximum": 258999.9746, "minimum": 257999.9946, "name": "X", "position": 0, "stddev": 282.3714664, "variance": 79733.64501 }, { "average": 1471406.259, "count": 87032, "maximum": 1471999.997, "minimum": 1470999.977, "name": "Y", "position": 1, "stddev": 283.0229762, "variance": 80102.00506 }, { "average": 4.283799407, "count": 87032, "maximum": 70.7, "minimum": -42.38, "name": "Z", "position": 2, "stddev": 18.79104066, "variance": 353.1032089 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 87032, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 87032, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.68955097, "count": 87032, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.487983827, "variance": 2.21409587 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 87032, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 87032, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 257999.9946, 1470999.977, -42.38, 258999.9746, 1471999.997, 70.7 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 257999.99463572813, 1470999.9765050847, -42.38 ], [ 257999.99463572813, 1471999.9965050847, -42.38 ], [ 258999.9746357281, 1471999.9965050847, 70.7 ], [ 258999.9746357281, 1470999.9765050847, 70.7 ], [ 257999.99463572813, 1470999.9765050847, -42.38 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6387_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.81364490521503, 13.441405811776841, -10.0895 ], [ 144.81360033113523, 13.446321455792893, -10.0895 ], [ 144.8202230936976, 13.446378916491845, 88.8105 ], [ 144.8202675330324, 13.441463250722324, 88.8105 ], [ 144.81364490521503, 13.441405811776841, -10.0895 ] ] ] }, "bbox": [ 144.8136003, 13.44140581, -10.0895, 144.8202675, 13.44637892, 88.8105 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 39254, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 263766.3466, "count": 39254, "maximum": 263999.9821, "minimum": 263282.5821, "name": "X", "position": 0, "stddev": 151.4073251, "variance": 22924.1781 }, { "average": 1487183.921, "count": 39254, "maximum": 1487543.998, "minimum": 1486999.978, "name": "Y", "position": 1, "stddev": 120.2438666, "variance": 14458.58745 }, { "average": 15.05977039, "count": 39254, "maximum": 88.8105, "minimum": -10.0895, "name": "Z", "position": 2, "stddev": 18.84647086, "variance": 355.1894638 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 39254, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 39254, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.77286391, "count": 39254, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.7936205055, "variance": 0.6298335067 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 39254, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 263282.5821, 1486999.978, -10.0895, 263999.9821, 1487543.998, 88.8105 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 263282.5820778741, 1486999.9781528923, -10.0895 ], [ 263282.5820778741, 1487543.9981528923, -10.0895 ], [ 263999.9820778741, 1487543.9981528923, 88.8105 ], [ 263999.9820778741, 1486999.9781528923, 88.8105 ], [ 263282.5820778741, 1486999.9781528923, -10.0895 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6387_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6387_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6387_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6387_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8136003, 13.44140581, -10.0895, 144.8202675, 13.44637892, 88.8105 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.81364490521503, 13.441405811776841, -10.0895 ], [ 144.81360033113523, 13.446321455792893, -10.0895 ], [ 144.8202230936976, 13.446378916491845, 88.8105 ], [ 144.8202675330324, 13.441463250722324, 88.8105 ], [ 144.81364490521503, 13.441405811776841, -10.0895 ] ] ] }, "id": "20070218_6387_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6387_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 39254, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 263766.3466, "count": 39254, "maximum": 263999.9821, "minimum": 263282.5821, "name": "X", "position": 0, "stddev": 151.4073251, "variance": 22924.1781 }, { "average": 1487183.921, "count": 39254, "maximum": 1487543.998, "minimum": 1486999.978, "name": "Y", "position": 1, "stddev": 120.2438666, "variance": 14458.58745 }, { "average": 15.05977039, "count": 39254, "maximum": 88.8105, "minimum": -10.0895, "name": "Z", "position": 2, "stddev": 18.84647086, "variance": 355.1894638 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 39254, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 39254, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.77286391, "count": 39254, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.7936205055, "variance": 0.6298335067 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 39254, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 39254, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 263282.5821, 1486999.978, -10.0895, 263999.9821, 1487543.998, 88.8105 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 263282.5820778741, 1486999.9781528923, -10.0895 ], [ 263282.5820778741, 1487543.9981528923, -10.0895 ], [ 263999.9820778741, 1487543.9981528923, 88.8105 ], [ 263999.9820778741, 1486999.9781528923, 88.8105 ], [ 263282.5820778741, 1486999.9781528923, -10.0895 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7193_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.8844142119205, 13.49623166183926, -44.315 ], [ 144.8843345835347, 13.505267278554884, -44.315 ], [ 144.89356723834794, 13.505345051363737, 173.525 ], [ 144.8936465198587, 13.496309380728183, 173.525 ], [ 144.8844142119205, 13.49623166183926, -44.315 ] ] ] }, "bbox": [ 144.8843346, 13.49623166, -44.315, 144.8936465, 13.50534505, 173.525 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 121593, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 271642.2247, "count": 121593, "maximum": 271999.9796, "minimum": 271000.1596, "name": "X", "position": 0, "stddev": 227.7650257, "variance": 51876.90695 }, { "average": 1493406.663, "count": 121593, "maximum": 1493999.914, "minimum": 1492999.974, "name": "Y", "position": 1, "stddev": 268.7376966, "variance": 72219.94956 }, { "average": 29.9964704, "count": 121593, "maximum": 173.525, "minimum": -44.315, "name": "Z", "position": 2, "stddev": 43.08111973, "variance": 1855.982877 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 121593, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 121593, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.93683847, "count": 121593, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.434987487, "variance": 2.059189087 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 121593, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 271000.1596, 1492999.974, -44.315, 271999.9796, 1493999.914, 173.525 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 271000.15958714025, 1492999.9736565715, -44.315 ], [ 271000.15958714025, 1493999.9136565714, -44.315 ], [ 271999.9795871402, 1493999.9136565714, 173.525 ], [ 271999.9795871402, 1492999.9736565715, 173.525 ], [ 271000.15958714025, 1492999.9736565715, -44.315 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7193_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7193_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7193_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7193_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8843346, 13.49623166, -44.315, 144.8936465, 13.50534505, 173.525 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.8844142119205, 13.49623166183926, -44.315 ], [ 144.8843345835347, 13.505267278554884, -44.315 ], [ 144.89356723834794, 13.505345051363737, 173.525 ], [ 144.8936465198587, 13.496309380728183, 173.525 ], [ 144.8844142119205, 13.49623166183926, -44.315 ] ] ] }, "id": "20070218_7193_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7193_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 121593, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 271642.2247, "count": 121593, "maximum": 271999.9796, "minimum": 271000.1596, "name": "X", "position": 0, "stddev": 227.7650257, "variance": 51876.90695 }, { "average": 1493406.663, "count": 121593, "maximum": 1493999.914, "minimum": 1492999.974, "name": "Y", "position": 1, "stddev": 268.7376966, "variance": 72219.94956 }, { "average": 29.9964704, "count": 121593, "maximum": 173.525, "minimum": -44.315, "name": "Z", "position": 2, "stddev": 43.08111973, "variance": 1855.982877 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 121593, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 121593, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.93683847, "count": 121593, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.434987487, "variance": 2.059189087 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 121593, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 121593, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 271000.1596, 1492999.974, -44.315, 271999.9796, 1493999.914, 173.525 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 271000.15958714025, 1492999.9736565715, -44.315 ], [ 271000.15958714025, 1493999.9136565714, -44.315 ], [ 271999.9795871402, 1493999.9136565714, 173.525 ], [ 271999.9795871402, 1492999.9736565715, 173.525 ], [ 271000.15958714025, 1492999.9736565715, -44.315 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7701_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.93939908504385, 13.568986439898207, -38.92 ], [ 144.93932108799768, 13.57802268356031, -38.92 ], [ 144.94835457301897, 13.578097167125964, 165.24 ], [ 144.9484322286712, 13.569060872064028, 165.24 ], [ 144.93939908504385, 13.568986439898207, -38.92 ] ] ] }, "bbox": [ 144.9393211, 13.56898644, -38.92, 144.9484322, 13.57809717, 165.24 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 98620, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 277665.1107, "count": 98620, "maximum": 277999.9685, "minimum": 277022.0485, "name": "X", "position": 0, "stddev": 218.9734999, "variance": 47949.39365 }, { "average": 1501408.14, "count": 98620, "maximum": 1501999.972, "minimum": 1500999.992, "name": "Y", "position": 1, "stddev": 264.0391897, "variance": 69716.69368 }, { "average": 43.24388593, "count": 98620, "maximum": 165.24, "minimum": -38.92, "name": "Z", "position": 2, "stddev": 49.3477735, "variance": 2435.202749 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 98620, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 98620, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.23098763, "count": 98620, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.309837579, "variance": 1.715674483 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 98620, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 277022.0485, 1500999.992, -38.92, 277999.9685, 1501999.972, 165.24 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 277022.04852448753, 1500999.991982139, -38.92 ], [ 277022.04852448753, 1501999.971982139, -38.92 ], [ 277999.9685244876, 1501999.971982139, 165.24 ], [ 277999.9685244876, 1500999.991982139, 165.24 ], [ 277022.04852448753, 1500999.991982139, -38.92 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7701_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7701_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7701_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7701_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9393211, 13.56898644, -38.92, 144.9484322, 13.57809717, 165.24 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.93939908504385, 13.568986439898207, -38.92 ], [ 144.93932108799768, 13.57802268356031, -38.92 ], [ 144.94835457301897, 13.578097167125964, 165.24 ], [ 144.9484322286712, 13.569060872064028, 165.24 ], [ 144.93939908504385, 13.568986439898207, -38.92 ] ] ] }, "id": "20070218_7701_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7701_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 98620, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 277665.1107, "count": 98620, "maximum": 277999.9685, "minimum": 277022.0485, "name": "X", "position": 0, "stddev": 218.9734999, "variance": 47949.39365 }, { "average": 1501408.14, "count": 98620, "maximum": 1501999.972, "minimum": 1500999.992, "name": "Y", "position": 1, "stddev": 264.0391897, "variance": 69716.69368 }, { "average": 43.24388593, "count": 98620, "maximum": 165.24, "minimum": -38.92, "name": "Z", "position": 2, "stddev": 49.3477735, "variance": 2435.202749 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 98620, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 98620, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.23098763, "count": 98620, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.309837579, "variance": 1.715674483 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 98620, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 98620, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 277022.0485, 1500999.992, -38.92, 277999.9685, 1501999.972, 165.24 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 277022.04852448753, 1500999.991982139, -38.92 ], [ 277022.04852448753, 1501999.971982139, -38.92 ], [ 277999.9685244876, 1501999.971982139, 165.24 ], [ 277999.9685244876, 1500999.991982139, 165.24 ], [ 277022.04852448753, 1500999.991982139, -38.92 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_4287_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.61719083646324, 13.43962276957231, -49.02 ], [ 144.61710154299038, 13.448656942760236, -49.02 ], [ 144.62633106936576, 13.448744188141863, 71.56 ], [ 144.626420017821, 13.43970995457365, 71.56 ], [ 144.61719083646324, 13.43962276957231, -49.02 ] ] ] }, "bbox": [ 144.6171015, 13.43962277, -49.02, 144.62642, 13.44874419, 71.56 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 69170, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 242432.072, "count": 69170, "maximum": 242999.9126, "minimum": 242000.0126, "name": "X", "position": 0, "stddev": 233.8602539, "variance": 54690.61835 }, { "average": 1487447.285, "count": 69170, "maximum": 1487999.942, "minimum": 1486999.982, "name": "Y", "position": 1, "stddev": 263.6838248, "variance": 69529.15947 }, { "average": 25.6480146, "count": 69170, "maximum": 71.56, "minimum": -49.02, "name": "Z", "position": 2, "stddev": 35.65164112, "variance": 1271.039514 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 69170, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 69170, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.06387162, "count": 69170, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.389991629, "variance": 1.932076728 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 69170, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242000.0126, 1486999.982, -49.02, 242999.9126, 1487999.942, 71.56 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242000.01256833074, 1486999.9816660788, -49.02 ], [ 242000.01256833074, 1487999.9416660788, -49.02 ], [ 242999.91256833076, 1487999.9416660788, 71.56 ], [ 242999.91256833076, 1486999.9816660788, 71.56 ], [ 242000.01256833074, 1486999.9816660788, -49.02 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_4287_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_4287_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_4287_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4287_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6171015, 13.43962277, -49.02, 144.62642, 13.44874419, 71.56 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.61719083646324, 13.43962276957231, -49.02 ], [ 144.61710154299038, 13.448656942760236, -49.02 ], [ 144.62633106936576, 13.448744188141863, 71.56 ], [ 144.626420017821, 13.43970995457365, 71.56 ], [ 144.61719083646324, 13.43962276957231, -49.02 ] ] ] }, "id": "20070218_4287_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4287_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 69170, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 242432.072, "count": 69170, "maximum": 242999.9126, "minimum": 242000.0126, "name": "X", "position": 0, "stddev": 233.8602539, "variance": 54690.61835 }, { "average": 1487447.285, "count": 69170, "maximum": 1487999.942, "minimum": 1486999.982, "name": "Y", "position": 1, "stddev": 263.6838248, "variance": 69529.15947 }, { "average": 25.6480146, "count": 69170, "maximum": 71.56, "minimum": -49.02, "name": "Z", "position": 2, "stddev": 35.65164112, "variance": 1271.039514 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 69170, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 69170, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.06387162, "count": 69170, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.389991629, "variance": 1.932076728 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 69170, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 69170, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242000.0126, 1486999.982, -49.02, 242999.9126, 1487999.942, 71.56 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242000.01256833074, 1486999.9816660788, -49.02 ], [ 242000.01256833074, 1487999.9416660788, -49.02 ], [ 242999.91256833076, 1487999.9416660788, 71.56 ], [ 242999.91256833076, 1486999.9816660788, 71.56 ], [ 242000.01256833074, 1486999.9816660788, -49.02 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5872_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.77047667418952, 13.30548302389899, -42.175 ], [ 144.77041810125567, 13.311884030744068, -42.175 ], [ 144.77529655968667, 13.311926812461135, 20.645 ], [ 144.77535500474033, 13.305525784334678, 20.645 ], [ 144.77047667418952, 13.30548302389899, -42.175 ] ] ] }, "bbox": [ 144.7704181, 13.30548302, -42.175, 144.775355, 13.31192681, 20.645 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 17166, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258822.0288, "count": 17166, "maximum": 258999.9725, "minimum": 258471.2125, "name": "X", "position": 0, "stddev": 128.0110668, "variance": 16386.83323 }, { "average": 1472272.849, "count": 17166, "maximum": 1472708.434, "minimum": 1472000.014, "name": "Y", "position": 1, "stddev": 182.4480315, "variance": 33287.2842 }, { "average": -8.598303623, "count": 17166, "maximum": 20.645, "minimum": -42.175, "name": "Z", "position": 2, "stddev": 10.93032451, "variance": 119.4719939 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 17166, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 17166, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.70272632, "count": 17166, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.270609589, "variance": 1.614448728 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 17166, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258471.2125, 1472000.014, -42.175, 258999.9725, 1472708.434, 20.645 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258471.21249146058, 1472000.013545833, -42.175 ], [ 258471.21249146058, 1472708.433545833, -42.175 ], [ 258999.9724914606, 1472708.433545833, 20.645 ], [ 258999.9724914606, 1472000.013545833, 20.645 ], [ 258471.21249146058, 1472000.013545833, -42.175 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5872_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5872_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5872_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5872_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7704181, 13.30548302, -42.175, 144.775355, 13.31192681, 20.645 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.77047667418952, 13.30548302389899, -42.175 ], [ 144.77041810125567, 13.311884030744068, -42.175 ], [ 144.77529655968667, 13.311926812461135, 20.645 ], [ 144.77535500474033, 13.305525784334678, 20.645 ], [ 144.77047667418952, 13.30548302389899, -42.175 ] ] ] }, "id": "20070218_5872_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5872_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 17166, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258822.0288, "count": 17166, "maximum": 258999.9725, "minimum": 258471.2125, "name": "X", "position": 0, "stddev": 128.0110668, "variance": 16386.83323 }, { "average": 1472272.849, "count": 17166, "maximum": 1472708.434, "minimum": 1472000.014, "name": "Y", "position": 1, "stddev": 182.4480315, "variance": 33287.2842 }, { "average": -8.598303623, "count": 17166, "maximum": 20.645, "minimum": -42.175, "name": "Z", "position": 2, "stddev": 10.93032451, "variance": 119.4719939 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 17166, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 17166, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.70272632, "count": 17166, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.270609589, "variance": 1.614448728 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 17166, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 17166, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258471.2125, 1472000.014, -42.175, 258999.9725, 1472708.434, 20.645 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258471.21249146058, 1472000.013545833, -42.175 ], [ 258471.21249146058, 1472708.433545833, -42.175 ], [ 258999.9724914606, 1472708.433545833, 20.645 ], [ 258999.9724914606, 1472000.013545833, 20.645 ], [ 258471.21249146058, 1472000.013545833, -42.175 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6486_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.82031044769238, 13.436706739554724, -50.245 ], [ 144.82026746457504, 13.441463196143355, -50.245 ], [ 144.8279609766042, 13.441529704120157, -7.925 ], [ 144.82800380831043, 13.436773223159387, -7.925 ], [ 144.82031044769238, 13.436706739554724, -50.245 ] ] ] }, "bbox": [ 144.8202675, 13.43670674, -50.245, 144.8280038, 13.4415297, -7.925 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 35625, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 264272.9224, "count": 35625, "maximum": 264833.3746, "minimum": 263999.9746, "name": "X", "position": 0, "stddev": 204.7018346, "variance": 41902.84108 }, { "average": 1486818.102, "count": 35625, "maximum": 1486999.972, "minimum": 1486473.572, "name": "Y", "position": 1, "stddev": 121.395631, "variance": 14736.89923 }, { "average": -35.73006863, "count": 35625, "maximum": -7.925, "minimum": -50.245, "name": "Z", "position": 2, "stddev": 11.59288229, "variance": 134.3949199 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 35625, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 35625, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 35625, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 35625, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 263999.9746, 1486473.572, -50.245, 264833.3746, 1486999.972, -7.925 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 263999.97460935474, 1486473.5721786802, -50.245 ], [ 263999.97460935474, 1486999.9721786801, -50.245 ], [ 264833.37460935477, 1486999.9721786801, -7.925 ], [ 264833.37460935477, 1486473.5721786802, -7.925 ], [ 263999.97460935474, 1486473.5721786802, -50.245 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6486_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6486_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6486_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6486_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8202675, 13.43670674, -50.245, 144.8280038, 13.4415297, -7.925 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.82031044769238, 13.436706739554724, -50.245 ], [ 144.82026746457504, 13.441463196143355, -50.245 ], [ 144.8279609766042, 13.441529704120157, -7.925 ], [ 144.82800380831043, 13.436773223159387, -7.925 ], [ 144.82031044769238, 13.436706739554724, -50.245 ] ] ] }, "id": "20070218_6486_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6486_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 35625, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 264272.9224, "count": 35625, "maximum": 264833.3746, "minimum": 263999.9746, "name": "X", "position": 0, "stddev": 204.7018346, "variance": 41902.84108 }, { "average": 1486818.102, "count": 35625, "maximum": 1486999.972, "minimum": 1486473.572, "name": "Y", "position": 1, "stddev": 121.395631, "variance": 14736.89923 }, { "average": -35.73006863, "count": 35625, "maximum": -7.925, "minimum": -50.245, "name": "Z", "position": 2, "stddev": 11.59288229, "variance": 134.3949199 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 35625, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 35625, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 35625, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 35625, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 35625, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 263999.9746, 1486473.572, -50.245, 264833.3746, 1486999.972, -7.925 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 263999.97460935474, 1486473.5721786802, -50.245 ], [ 263999.97460935474, 1486999.9721786801, -50.245 ], [ 264833.37460935477, 1486999.9721786801, -7.925 ], [ 264833.37460935477, 1486473.5721786802, -7.925 ], [ 263999.97460935474, 1486473.5721786802, -50.245 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_4288_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.61710150111256, 13.448658526999651, -48.6745 ], [ 144.6170884546772, 13.44997792983781, -48.6745 ], [ 144.61819721878558, 13.449988431316948, -13.4945 ], [ 144.61821025916444, 13.448669027412016, -13.4945 ], [ 144.61710150111256, 13.448658526999651, -48.6745 ] ] ] }, "bbox": [ 144.6170885, 13.44865853, -48.6745, 144.6182103, 13.44998843, -13.4945 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 1161, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 242043.493, "count": 1161, "maximum": 242120.1297, "minimum": 242000.0097, "name": "X", "position": 0, "stddev": 30.6676618, "variance": 940.5054804 }, { "average": 1488050.2, "count": 1161, "maximum": 1488146.157, "minimum": 1488000.117, "name": "Y", "position": 1, "stddev": 36.18740815, "variance": 1309.528508 }, { "average": -32.56028811, "count": 1161, "maximum": -13.4945, "minimum": -48.6745, "name": "Z", "position": 2, "stddev": 9.869600781, "variance": 97.40901957 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1161, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1161, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 1161, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1161, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242000.0097, 1488000.117, -48.6745, 242120.1297, 1488146.157, -13.4945 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242000.00972869375, 1488000.117047368, -48.6745 ], [ 242000.00972869375, 1488146.1570473681, -48.6745 ], [ 242120.12972869375, 1488146.1570473681, -13.4945 ], [ 242120.12972869375, 1488000.117047368, -13.4945 ], [ 242000.00972869375, 1488000.117047368, -48.6745 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_4288_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_4288_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_4288_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4288_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6170885, 13.44865853, -48.6745, 144.6182103, 13.44998843, -13.4945 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.61710150111256, 13.448658526999651, -48.6745 ], [ 144.6170884546772, 13.44997792983781, -48.6745 ], [ 144.61819721878558, 13.449988431316948, -13.4945 ], [ 144.61821025916444, 13.448669027412016, -13.4945 ], [ 144.61710150111256, 13.448658526999651, -48.6745 ] ] ] }, "id": "20070218_4288_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4288_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 1161, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 242043.493, "count": 1161, "maximum": 242120.1297, "minimum": 242000.0097, "name": "X", "position": 0, "stddev": 30.6676618, "variance": 940.5054804 }, { "average": 1488050.2, "count": 1161, "maximum": 1488146.157, "minimum": 1488000.117, "name": "Y", "position": 1, "stddev": 36.18740815, "variance": 1309.528508 }, { "average": -32.56028811, "count": 1161, "maximum": -13.4945, "minimum": -48.6745, "name": "Z", "position": 2, "stddev": 9.869600781, "variance": 97.40901957 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1161, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1161, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 1161, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1161, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1161, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242000.0097, 1488000.117, -48.6745, 242120.1297, 1488146.157, -13.4945 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242000.00972869375, 1488000.117047368, -48.6745 ], [ 242000.00972869375, 1488146.1570473681, -48.6745 ], [ 242120.12972869375, 1488146.1570473681, -13.4945 ], [ 242120.12972869375, 1488000.117047368, -13.4945 ], [ 242000.00972869375, 1488000.117047368, -48.6745 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5875_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.7707994712077, 13.34035377466676, -25.03 ], [ 144.77078775745082, 13.34163086480648, -25.03 ], [ 144.7750238502191, 13.341668089297722, 34.67 ], [ 144.77503554175826, 13.34039099546673, 34.67 ], [ 144.7707994712077, 13.34035377466676, -25.03 ] ] ] }, "bbox": [ 144.7707878, 13.34035377, -25.03, 144.7750355, 13.34166809, 34.67 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 5092, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258785.2492, "count": 5092, "maximum": 258999.8911, "minimum": 258540.8111, "name": "X", "position": 0, "stddev": 127.9109347, "variance": 16361.20722 }, { "average": 1475944.716, "count": 5092, "maximum": 1475999.991, "minimum": 1475858.651, "name": "Y", "position": 1, "stddev": 35.71841526, "variance": 1275.805189 }, { "average": -0.1862038492, "count": 5092, "maximum": 34.67, "minimum": -25.03, "name": "Z", "position": 2, "stddev": 12.70243674, "variance": 161.3518991 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5092, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5092, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.54418696, "count": 5092, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.499496277, "variance": 2.248489085 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5092, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258540.8111, 1475858.651, -25.03, 258999.8911, 1475999.991, 34.67 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258540.8110781548, 1475858.651135902, -25.03 ], [ 258540.8110781548, 1475999.9911359018, -25.03 ], [ 258999.89107815482, 1475999.9911359018, 34.67 ], [ 258999.89107815482, 1475858.651135902, 34.67 ], [ 258540.8110781548, 1475858.651135902, -25.03 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5875_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5875_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5875_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5875_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7707878, 13.34035377, -25.03, 144.7750355, 13.34166809, 34.67 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.7707994712077, 13.34035377466676, -25.03 ], [ 144.77078775745082, 13.34163086480648, -25.03 ], [ 144.7750238502191, 13.341668089297722, 34.67 ], [ 144.77503554175826, 13.34039099546673, 34.67 ], [ 144.7707994712077, 13.34035377466676, -25.03 ] ] ] }, "id": "20070218_5875_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5875_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 5092, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258785.2492, "count": 5092, "maximum": 258999.8911, "minimum": 258540.8111, "name": "X", "position": 0, "stddev": 127.9109347, "variance": 16361.20722 }, { "average": 1475944.716, "count": 5092, "maximum": 1475999.991, "minimum": 1475858.651, "name": "Y", "position": 1, "stddev": 35.71841526, "variance": 1275.805189 }, { "average": -0.1862038492, "count": 5092, "maximum": 34.67, "minimum": -25.03, "name": "Z", "position": 2, "stddev": 12.70243674, "variance": 161.3518991 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5092, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5092, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.54418696, "count": 5092, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.499496277, "variance": 2.248489085 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5092, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5092, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258540.8111, 1475858.651, -25.03, 258999.8911, 1475999.991, 34.67 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258540.8110781548, 1475858.651135902, -25.03 ], [ 258540.8110781548, 1475999.9911359018, -25.03 ], [ 258999.89107815482, 1475999.9911359018, 34.67 ], [ 258999.89107815482, 1475858.651135902, 34.67 ], [ 258540.8110781548, 1475858.651135902, -25.03 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7194_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.89054543194024, 13.505321086149191, -15.3145 ], [ 144.89052583981953, 13.507549772257518, -15.3145 ], [ 144.89354752746186, 13.507575192630771, 100.4255 ], [ 144.89356709156732, 13.505346502175595, 100.4255 ], [ 144.89054543194024, 13.505321086149191, -15.3145 ] ] ] }, "bbox": [ 144.8905258, 13.50532109, -15.3145, 144.8935671, 13.50757519, 100.4255 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 4906, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 271884.3019, "count": 4906, "maximum": 271999.9651, "minimum": 271672.7451, "name": "X", "position": 0, "stddev": 86.3177109, "variance": 7450.747215 }, { "average": 1494083.651, "count": 4906, "maximum": 1494246.714, "minimum": 1494000.074, "name": "Y", "position": 1, "stddev": 60.26696082, "variance": 3632.106566 }, { "average": 8.270658989, "count": 4906, "maximum": 100.4255, "minimum": -15.3145, "name": "Z", "position": 2, "stddev": 25.76889387, "variance": 664.0358912 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4906, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4906, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.20953934, "count": 4906, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.471758853, "variance": 2.16607412 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4906, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 271672.7451, 1494000.074, -15.3145, 271999.9651, 1494246.714, 100.4255 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 271672.7450721732, 1494000.0743366105, -15.3145 ], [ 271672.7450721732, 1494246.7143366106, -15.3145 ], [ 271999.96507217316, 1494246.7143366106, 100.4255 ], [ 271999.96507217316, 1494000.0743366105, 100.4255 ], [ 271672.7450721732, 1494000.0743366105, -15.3145 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7194_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7194_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7194_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7194_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8905258, 13.50532109, -15.3145, 144.8935671, 13.50757519, 100.4255 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.89054543194024, 13.505321086149191, -15.3145 ], [ 144.89052583981953, 13.507549772257518, -15.3145 ], [ 144.89354752746186, 13.507575192630771, 100.4255 ], [ 144.89356709156732, 13.505346502175595, 100.4255 ], [ 144.89054543194024, 13.505321086149191, -15.3145 ] ] ] }, "id": "20070218_7194_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7194_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 4906, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 271884.3019, "count": 4906, "maximum": 271999.9651, "minimum": 271672.7451, "name": "X", "position": 0, "stddev": 86.3177109, "variance": 7450.747215 }, { "average": 1494083.651, "count": 4906, "maximum": 1494246.714, "minimum": 1494000.074, "name": "Y", "position": 1, "stddev": 60.26696082, "variance": 3632.106566 }, { "average": 8.270658989, "count": 4906, "maximum": 100.4255, "minimum": -15.3145, "name": "Z", "position": 2, "stddev": 25.76889387, "variance": 664.0358912 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4906, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4906, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.20953934, "count": 4906, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.471758853, "variance": 2.16607412 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4906, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4906, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 271672.7451, 1494000.074, -15.3145, 271999.9651, 1494246.714, 100.4255 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 271672.7450721732, 1494000.0743366105, -15.3145 ], [ 271672.7450721732, 1494246.7143366106, -15.3145 ], [ 271999.96507217316, 1494246.7143366106, 100.4255 ], [ 271999.96507217316, 1494000.0743366105, 100.4255 ], [ 271672.7450721732, 1494000.0743366105, -15.3145 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7702_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.94610724508922, 13.578078830861509, 67.23 ], [ 144.94605692981187, 13.583923792241915, 67.23 ], [ 144.94830446092112, 13.583942300985747, 172.93 ], [ 144.94835472122628, 13.57809733134794, 172.93 ], [ 144.94610724508922, 13.578078830861509, 67.23 ] ] ] }, "bbox": [ 144.9460569, 13.57807883, 67.23, 144.9483547, 13.5839423, 172.93 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 10383, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 277918.14, "count": 10383, "maximum": 277999.9847, "minimum": 277756.6847, "name": "X", "position": 0, "stddev": 57.57659058, "variance": 3315.063783 }, { "average": 1502207.544, "count": 10383, "maximum": 1502646.81, "minimum": 1501999.99, "name": "Y", "position": 1, "stddev": 161.274298, "variance": 26009.3992 }, { "average": 131.2775864, "count": 10383, "maximum": 172.93, "minimum": 67.23, "name": "Z", "position": 2, "stddev": 32.62917751, "variance": 1064.663225 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 10383, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 10383, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 10383, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 10383, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 277756.6847, 1501999.99, 67.23, 277999.9847, 1502646.81, 172.93 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 277756.68472031143, 1501999.9900191685, 67.23 ], [ 277756.68472031143, 1502646.8100191683, 67.23 ], [ 277999.9847203115, 1502646.8100191683, 172.93 ], [ 277999.9847203115, 1501999.9900191685, 172.93 ], [ 277756.68472031143, 1501999.9900191685, 67.23 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7702_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7702_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7702_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7702_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9460569, 13.57807883, 67.23, 144.9483547, 13.5839423, 172.93 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.94610724508922, 13.578078830861509, 67.23 ], [ 144.94605692981187, 13.583923792241915, 67.23 ], [ 144.94830446092112, 13.583942300985747, 172.93 ], [ 144.94835472122628, 13.57809733134794, 172.93 ], [ 144.94610724508922, 13.578078830861509, 67.23 ] ] ] }, "id": "20070218_7702_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7702_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 10383, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 277918.14, "count": 10383, "maximum": 277999.9847, "minimum": 277756.6847, "name": "X", "position": 0, "stddev": 57.57659058, "variance": 3315.063783 }, { "average": 1502207.544, "count": 10383, "maximum": 1502646.81, "minimum": 1501999.99, "name": "Y", "position": 1, "stddev": 161.274298, "variance": 26009.3992 }, { "average": 131.2775864, "count": 10383, "maximum": 172.93, "minimum": 67.23, "name": "Z", "position": 2, "stddev": 32.62917751, "variance": 1064.663225 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 10383, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 10383, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 10383, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 10383, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10383, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 277756.6847, 1501999.99, 67.23, 277999.9847, 1502646.81, 172.93 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 277756.68472031143, 1501999.9900191685, 67.23 ], [ 277756.68472031143, 1502646.8100191683, 67.23 ], [ 277999.9847203115, 1502646.8100191683, 172.93 ], [ 277999.9847203115, 1501999.9900191685, 172.93 ], [ 277756.68472031143, 1501999.9900191685, 67.23 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_4385_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63431623876167, 13.429651124314809, -49.065 ], [ 144.63430548418464, 13.430748293058825, -49.065 ], [ 144.6357392493376, 13.430761755746014, -22.355 ], [ 144.63574999741135, 13.429664585863257, -22.355 ], [ 144.63431623876167, 13.429651124314809, -49.065 ] ] ] }, "bbox": [ 144.6343055, 13.42965112, -49.065, 144.63575, 13.43076176, -22.355 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 1347, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243952.3731, "count": 1347, "maximum": 243999.9686, "minimum": 243844.6286, "name": "X", "position": 0, "stddev": 33.14448135, "variance": 1098.556644 }, { "average": 1485962.364, "count": 1347, "maximum": 1485999.936, "minimum": 1485878.496, "name": "Y", "position": 1, "stddev": 26.33766732, "variance": 693.67272 }, { "average": -36.72775427, "count": 1347, "maximum": -22.355, "minimum": -49.065, "name": "Z", "position": 2, "stddev": 5.569973222, "variance": 31.0246017 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1347, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1347, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 1347, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1347, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243844.6286, 1485878.496, -49.065, 243999.9686, 1485999.936, -22.355 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243844.6285530485, 1485878.4962649273, -49.065 ], [ 243844.6285530485, 1485999.9362649273, -49.065 ], [ 243999.96855304853, 1485999.9362649273, -22.355 ], [ 243999.96855304853, 1485878.4962649273, -22.355 ], [ 243844.6285530485, 1485878.4962649273, -49.065 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_4385_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_4385_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_4385_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4385_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6343055, 13.42965112, -49.065, 144.63575, 13.43076176, -22.355 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63431623876167, 13.429651124314809, -49.065 ], [ 144.63430548418464, 13.430748293058825, -49.065 ], [ 144.6357392493376, 13.430761755746014, -22.355 ], [ 144.63574999741135, 13.429664585863257, -22.355 ], [ 144.63431623876167, 13.429651124314809, -49.065 ] ] ] }, "id": "20070218_4385_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4385_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 1347, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243952.3731, "count": 1347, "maximum": 243999.9686, "minimum": 243844.6286, "name": "X", "position": 0, "stddev": 33.14448135, "variance": 1098.556644 }, { "average": 1485962.364, "count": 1347, "maximum": 1485999.936, "minimum": 1485878.496, "name": "Y", "position": 1, "stddev": 26.33766732, "variance": 693.67272 }, { "average": -36.72775427, "count": 1347, "maximum": -22.355, "minimum": -49.065, "name": "Z", "position": 2, "stddev": 5.569973222, "variance": 31.0246017 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1347, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1347, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 1347, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1347, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1347, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243844.6286, 1485878.496, -49.065, 243999.9686, 1485999.936, -22.355 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243844.6285530485, 1485878.4962649273, -49.065 ], [ 243844.6285530485, 1485999.9362649273, -49.065 ], [ 243999.96855304853, 1485999.9362649273, -22.355 ], [ 243999.96855304853, 1485878.4962649273, -22.355 ], [ 243844.6285530485, 1485878.4962649273, -49.065 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_guam_55pbq4475_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63666646463142, 13.33577748248411, -0.717 ], [ 144.63662137193592, 13.34041537485077, -0.717 ], [ 144.64584782592732, 13.340501244185774, 73.803 ], [ 144.64589274295247, 13.335863320913715, 73.803 ], [ 144.63666646463142, 13.33577748248411, -0.717 ] ] ] }, "bbox": [ 144.6366214, 13.33577748, -0.717, 144.6458927, 13.34050124, 73.803 ], "properties": { "datetime": "2011-09-18T00:25:18Z", "pc:count": 942734, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244610.6425, "count": 942734, "maximum": 245000.0003, "minimum": 244000.0003, "name": "X", "position": 0, "stddev": 257.4185308, "variance": 66264.30001 }, { "average": 1475843.464, "count": 942734, "maximum": 1476000.004, "minimum": 1475486.664, "name": "Y", "position": 1, "stddev": 113.8958179, "variance": 12972.25734 }, { "average": 29.82583389, "count": 942734, "maximum": 73.803, "minimum": -0.717, "name": "Z", "position": 2, "stddev": 17.67255313, "variance": 312.3191341 }, { "average": 28.20530818, "count": 942734, "maximum": 59, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.07105802, "variance": 122.5683257 }, { "average": 1.499969238, "count": 942734, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000002642, "variance": 0.2500002642 }, { "average": 1.999920444, "count": 942734, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.008919058261, "variance": 7.954960027e-05 }, { "average": 0.5000466728, "count": 942734, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.500000263, "variance": 0.250000263 }, { "average": 0, "count": 942734, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.113771223, "count": 942734, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3355617919, "variance": 0.1126017162 }, { "average": 0.118950926, "count": 942734, "maximum": 39, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.13154514, "variance": 631.5945611 }, { "average": 0, "count": 942734, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 15.4055566, "count": 942734, "maximum": 18, "minimum": 15, "name": "PointSourceId", "position": 11, "stddev": 1.025765456, "variance": 1.05219477 }, { "average": 232753.5603, "count": 942734, "maximum": 340718.3885, "minimum": 194385.4738, "name": "GpsTime", "position": 12, "stddev": 47619.43868, "variance": 2267610940 }, { "average": 0, "count": 942734, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 942734, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 942734, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 942734, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 942734, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244000.0003, 1475486.664, -0.717, 245000.0003, 1476000.004, 73.803 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244000.0003075115, 1475486.664457339, -0.717 ], [ 244000.0003075115, 1476000.004457339, -0.717 ], [ 245000.0003075115, 1476000.004457339, 73.803 ], [ 245000.0003075115, 1475486.664457339, 73.803 ], [ 244000.0003075115, 1475486.664457339, -0.717 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-18T00:25:18+00:00", "end_time": "2011-09-16T07:46:25+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4475_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4475_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4475_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4475_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6366214, 13.33577748, -0.717, 144.6458927, 13.34050124, 73.803 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63666646463142, 13.33577748248411, -0.717 ], [ 144.63662137193592, 13.34041537485077, -0.717 ], [ 144.64584782592732, 13.340501244185774, 73.803 ], [ 144.64589274295247, 13.335863320913715, 73.803 ], [ 144.63666646463142, 13.33577748248411, -0.717 ] ] ] }, "id": "20070218_guam_55pbq4475_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4475_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-18T00:25:18Z", "pc:count": 942734, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244610.6425, "count": 942734, "maximum": 245000.0003, "minimum": 244000.0003, "name": "X", "position": 0, "stddev": 257.4185308, "variance": 66264.30001 }, { "average": 1475843.464, "count": 942734, "maximum": 1476000.004, "minimum": 1475486.664, "name": "Y", "position": 1, "stddev": 113.8958179, "variance": 12972.25734 }, { "average": 29.82583389, "count": 942734, "maximum": 73.803, "minimum": -0.717, "name": "Z", "position": 2, "stddev": 17.67255313, "variance": 312.3191341 }, { "average": 28.20530818, "count": 942734, "maximum": 59, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.07105802, "variance": 122.5683257 }, { "average": 1.499969238, "count": 942734, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000002642, "variance": 0.2500002642 }, { "average": 1.999920444, "count": 942734, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.008919058261, "variance": 7.954960027e-05 }, { "average": 0.5000466728, "count": 942734, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.500000263, "variance": 0.250000263 }, { "average": 0, "count": 942734, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.113771223, "count": 942734, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3355617919, "variance": 0.1126017162 }, { "average": 0.118950926, "count": 942734, "maximum": 39, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.13154514, "variance": 631.5945611 }, { "average": 0, "count": 942734, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 15.4055566, "count": 942734, "maximum": 18, "minimum": 15, "name": "PointSourceId", "position": 11, "stddev": 1.025765456, "variance": 1.05219477 }, { "average": 232753.5603, "count": 942734, "maximum": 340718.3885, "minimum": 194385.4738, "name": "GpsTime", "position": 12, "stddev": 47619.43868, "variance": 2267610940 }, { "average": 0, "count": 942734, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 942734, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 942734, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 942734, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 942734, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244000.0003, 1475486.664, -0.717, 245000.0003, 1476000.004, 73.803 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244000.0003075115, 1475486.664457339, -0.717 ], [ 244000.0003075115, 1476000.004457339, -0.717 ], [ 245000.0003075115, 1476000.004457339, 73.803 ], [ 245000.0003075115, 1475486.664457339, 73.803 ], [ 244000.0003075115, 1475486.664457339, -0.717 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-18T00:25:18+00:00", "end_time": "2011-09-16T07:46:25+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": "20070218_7798_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.9394175184614, 13.543201225598311, -49.565 ], [ 144.93935109942288, 13.550911842299044, -49.565 ], [ 144.94366947915233, 13.55094742309812, -8.485 ], [ 144.9437357592217, 13.543236785407704, -8.485 ], [ 144.9394175184614, 13.543201225598311, -49.565 ] ] ] }, "bbox": [ 144.9393511, 13.54320123, -49.565, 144.9437358, 13.55094742, -8.485 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 18796, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 277132.355, "count": 18796, "maximum": 277467.5223, "minimum": 276999.9823, "name": "X", "position": 0, "stddev": 98.0803397, "variance": 9619.753037 }, { "average": 1498736.407, "count": 18796, "maximum": 1498999.987, "minimum": 1498146.707, "name": "Y", "position": 1, "stddev": 192.7119183, "variance": 37137.88345 }, { "average": -31.66589966, "count": 18796, "maximum": -8.485, "minimum": -49.565, "name": "Z", "position": 2, "stddev": 8.194973482, "variance": 67.15759037 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 18796, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 18796, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.00031922, "count": 18796, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.03094510642, "variance": 0.0009575996115 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 18796, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 276999.9823, 1498146.707, -49.565, 277467.5223, 1498999.987, -8.485 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276999.9822554179, 1498146.706811012, -49.565 ], [ 276999.9822554179, 1498999.9868110118, -49.565 ], [ 277467.52225541795, 1498999.9868110118, -8.485 ], [ 277467.52225541795, 1498146.706811012, -8.485 ], [ 276999.9822554179, 1498146.706811012, -49.565 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7798_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7798_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7798_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7798_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9393511, 13.54320123, -49.565, 144.9437358, 13.55094742, -8.485 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.9394175184614, 13.543201225598311, -49.565 ], [ 144.93935109942288, 13.550911842299044, -49.565 ], [ 144.94366947915233, 13.55094742309812, -8.485 ], [ 144.9437357592217, 13.543236785407704, -8.485 ], [ 144.9394175184614, 13.543201225598311, -49.565 ] ] ] }, "id": "20070218_7798_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7798_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 18796, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 277132.355, "count": 18796, "maximum": 277467.5223, "minimum": 276999.9823, "name": "X", "position": 0, "stddev": 98.0803397, "variance": 9619.753037 }, { "average": 1498736.407, "count": 18796, "maximum": 1498999.987, "minimum": 1498146.707, "name": "Y", "position": 1, "stddev": 192.7119183, "variance": 37137.88345 }, { "average": -31.66589966, "count": 18796, "maximum": -8.485, "minimum": -49.565, "name": "Z", "position": 2, "stddev": 8.194973482, "variance": 67.15759037 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 18796, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 18796, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.00031922, "count": 18796, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.03094510642, "variance": 0.0009575996115 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 18796, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18796, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 276999.9823, 1498146.707, -49.565, 277467.5223, 1498999.987, -8.485 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276999.9822554179, 1498146.706811012, -49.565 ], [ 276999.9822554179, 1498999.9868110118, -49.565 ], [ 277467.52225541795, 1498999.9868110118, -8.485 ], [ 277467.52225541795, 1498146.706811012, -8.485 ], [ 276999.9822554179, 1498146.706811012, -49.565 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5876_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.765797480535, 13.341587014046844, -18.625 ], [ 144.76571438885597, 13.35062202603025, -18.625 ], [ 144.77494188281787, 13.35070325731177, 46.495 ], [ 144.77502463175813, 13.341668188243583, 46.495 ], [ 144.765797480535, 13.341587014046844, -18.625 ] ] ] }, "bbox": [ 144.7657144, 13.34158701, -18.625, 144.7750246, 13.35070326, 46.495 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 42266, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258695.2629, "count": 42266, "maximum": 258999.9759, "minimum": 257999.9959, "name": "X", "position": 0, "stddev": 247.4752965, "variance": 61244.0224 }, { "average": 1476485.683, "count": 42266, "maximum": 1476999.941, "minimum": 1476000.001, "name": "Y", "position": 1, "stddev": 291.5074692, "variance": 84976.60461 }, { "average": 3.22031633, "count": 42266, "maximum": 46.495, "minimum": -18.625, "name": "Z", "position": 2, "stddev": 12.33439756, "variance": 152.1373633 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 42266, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 42266, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.71428571, "count": 42266, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.484632541, "variance": 2.204133782 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 42266, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 257999.9959, 1476000.001, -18.625, 258999.9759, 1476999.941, 46.495 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 257999.99586745878, 1476000.0013263787, -18.625 ], [ 257999.99586745878, 1476999.9413263786, -18.625 ], [ 258999.97586745876, 1476999.9413263786, 46.495 ], [ 258999.97586745876, 1476000.0013263787, 46.495 ], [ 257999.99586745878, 1476000.0013263787, -18.625 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5876_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5876_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5876_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5876_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7657144, 13.34158701, -18.625, 144.7750246, 13.35070326, 46.495 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.765797480535, 13.341587014046844, -18.625 ], [ 144.76571438885597, 13.35062202603025, -18.625 ], [ 144.77494188281787, 13.35070325731177, 46.495 ], [ 144.77502463175813, 13.341668188243583, 46.495 ], [ 144.765797480535, 13.341587014046844, -18.625 ] ] ] }, "id": "20070218_5876_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5876_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 42266, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258695.2629, "count": 42266, "maximum": 258999.9759, "minimum": 257999.9959, "name": "X", "position": 0, "stddev": 247.4752965, "variance": 61244.0224 }, { "average": 1476485.683, "count": 42266, "maximum": 1476999.941, "minimum": 1476000.001, "name": "Y", "position": 1, "stddev": 291.5074692, "variance": 84976.60461 }, { "average": 3.22031633, "count": 42266, "maximum": 46.495, "minimum": -18.625, "name": "Z", "position": 2, "stddev": 12.33439756, "variance": 152.1373633 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 42266, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 42266, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.71428571, "count": 42266, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.484632541, "variance": 2.204133782 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 42266, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 42266, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 257999.9959, 1476000.001, -18.625, 258999.9759, 1476999.941, 46.495 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 257999.99586745878, 1476000.0013263787, -18.625 ], [ 257999.99586745878, 1476999.9413263786, -18.625 ], [ 258999.97586745876, 1476999.9413263786, 46.495 ], [ 258999.97586745876, 1476000.0013263787, 46.495 ], [ 257999.99586745878, 1476000.0013263787, -18.625 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7293_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.89364177248078, 13.496863773940388, -51.3095 ], [ 144.89356734796084, 13.50534570525481, -51.3095 ], [ 144.90055425550705, 13.505404334608304, -9.3295 ], [ 144.90062843359914, 13.496922365134896, -9.3295 ], [ 144.89364177248078, 13.496863773940388, -51.3095 ] ] ] }, "bbox": [ 144.8935673, 13.49686377, -51.3095, 144.9006284, 13.50540433, -9.3295 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 83535, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 272256.1896, "count": 83535, "maximum": 272756.6121, "minimum": 271999.9921, "name": "X", "position": 0, "stddev": 169.3334658, "variance": 28673.82263 }, { "average": 1493643.036, "count": 83535, "maximum": 1493999.986, "minimum": 1493061.326, "name": "Y", "position": 1, "stddev": 239.1495817, "variance": 57192.52242 }, { "average": -34.76024819, "count": 83535, "maximum": -9.3295, "minimum": -51.3095, "name": "Z", "position": 2, "stddev": 7.540518411, "variance": 56.85941791 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 83535, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 83535, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 83535, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 83535, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 271999.9921, 1493061.326, -51.3095, 272756.6121, 1493999.986, -9.3295 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 271999.9920778905, 1493061.3259127084, -51.3095 ], [ 271999.9920778905, 1493999.9859127086, -51.3095 ], [ 272756.6120778905, 1493999.9859127086, -9.3295 ], [ 272756.6120778905, 1493061.3259127084, -9.3295 ], [ 271999.9920778905, 1493061.3259127084, -51.3095 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7293_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7293_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7293_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7293_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8935673, 13.49686377, -51.3095, 144.9006284, 13.50540433, -9.3295 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.89364177248078, 13.496863773940388, -51.3095 ], [ 144.89356734796084, 13.50534570525481, -51.3095 ], [ 144.90055425550705, 13.505404334608304, -9.3295 ], [ 144.90062843359914, 13.496922365134896, -9.3295 ], [ 144.89364177248078, 13.496863773940388, -51.3095 ] ] ] }, "id": "20070218_7293_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7293_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 83535, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 272256.1896, "count": 83535, "maximum": 272756.6121, "minimum": 271999.9921, "name": "X", "position": 0, "stddev": 169.3334658, "variance": 28673.82263 }, { "average": 1493643.036, "count": 83535, "maximum": 1493999.986, "minimum": 1493061.326, "name": "Y", "position": 1, "stddev": 239.1495817, "variance": 57192.52242 }, { "average": -34.76024819, "count": 83535, "maximum": -9.3295, "minimum": -51.3095, "name": "Z", "position": 2, "stddev": 7.540518411, "variance": 56.85941791 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 83535, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 83535, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 83535, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 83535, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 83535, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 271999.9921, 1493061.326, -51.3095, 272756.6121, 1493999.986, -9.3295 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 271999.9920778905, 1493061.3259127084, -51.3095 ], [ 271999.9920778905, 1493999.9859127086, -51.3095 ], [ 272756.6120778905, 1493999.9859127086, -9.3295 ], [ 272756.6120778905, 1493061.3259127084, -9.3295 ], [ 271999.9920778905, 1493061.3259127084, -51.3095 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6487_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.82026757456413, 13.441463295968065, -49.88 ], [ 144.82018587394202, 13.450499112514834, -49.88 ], [ 144.8294175155866, 13.450578941524448, 103.96 ], [ 144.8294988709005, 13.441543069445139, 103.96 ], [ 144.82026757456413, 13.441463295968065, -49.88 ] ] ] }, "bbox": [ 144.8201859, 13.4414633, -49.88, 144.8294989, 13.45057894, 103.96 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 145392, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 264528.6037, "count": 145392, "maximum": 264999.9666, "minimum": 263999.9866, "name": "X", "position": 0, "stddev": 276.2336488, "variance": 76305.02875 }, { "average": 1487472.269, "count": 145392, "maximum": 1487999.983, "minimum": 1486999.983, "name": "Y", "position": 1, "stddev": 265.2273218, "variance": 70345.53223 }, { "average": 43.4183594, "count": 145392, "maximum": 103.96, "minimum": -49.88, "name": "Z", "position": 2, "stddev": 40.24611666, "variance": 1619.749906 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 145392, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 145392, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.51667217, "count": 145392, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.102898938, "variance": 1.216386067 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 145392, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 263999.9866, 1486999.983, -49.88, 264999.9666, 1487999.983, 103.96 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 263999.9866207555, 1486999.983120074, -49.88 ], [ 263999.9866207555, 1487999.983120074, -49.88 ], [ 264999.9666207555, 1487999.983120074, 103.96 ], [ 264999.9666207555, 1486999.983120074, 103.96 ], [ 263999.9866207555, 1486999.983120074, -49.88 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6487_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6487_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6487_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6487_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8201859, 13.4414633, -49.88, 144.8294989, 13.45057894, 103.96 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.82026757456413, 13.441463295968065, -49.88 ], [ 144.82018587394202, 13.450499112514834, -49.88 ], [ 144.8294175155866, 13.450578941524448, 103.96 ], [ 144.8294988709005, 13.441543069445139, 103.96 ], [ 144.82026757456413, 13.441463295968065, -49.88 ] ] ] }, "id": "20070218_6487_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6487_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 145392, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 264528.6037, "count": 145392, "maximum": 264999.9666, "minimum": 263999.9866, "name": "X", "position": 0, "stddev": 276.2336488, "variance": 76305.02875 }, { "average": 1487472.269, "count": 145392, "maximum": 1487999.983, "minimum": 1486999.983, "name": "Y", "position": 1, "stddev": 265.2273218, "variance": 70345.53223 }, { "average": 43.4183594, "count": 145392, "maximum": 103.96, "minimum": -49.88, "name": "Z", "position": 2, "stddev": 40.24611666, "variance": 1619.749906 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 145392, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 145392, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.51667217, "count": 145392, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.102898938, "variance": 1.216386067 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 145392, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 145392, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 263999.9866, 1486999.983, -49.88, 264999.9666, 1487999.983, 103.96 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 263999.9866207555, 1486999.983120074, -49.88 ], [ 263999.9866207555, 1487999.983120074, -49.88 ], [ 264999.9666207555, 1487999.983120074, 103.96 ], [ 264999.9666207555, 1486999.983120074, 103.96 ], [ 263999.9866207555, 1486999.983120074, -49.88 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_4386_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.62650976917257, 13.430675560509624, -49.175 ], [ 144.6264208843523, 13.439709981788791, -49.175 ], [ 144.63565086876523, 13.439796848958618, 58.525 ], [ 144.63573940872686, 13.430762367218184, 58.525 ], [ 144.62650976917257, 13.430675560509624, -49.175 ] ] ] }, "bbox": [ 144.6264209, 13.43067556, -49.175, 144.6357394, 13.43979685, 58.525 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 86746, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243544.4137, "count": 86746, "maximum": 243999.9865, "minimum": 243000.0065, "name": "X", "position": 0, "stddev": 264.8654728, "variance": 70153.7187 }, { "average": 1486544.207, "count": 86746, "maximum": 1486999.984, "minimum": 1486000.004, "name": "Y", "position": 1, "stddev": 252.4155837, "variance": 63713.6269 }, { "average": 17.52554988, "count": 86746, "maximum": 58.525, "minimum": -49.175, "name": "Z", "position": 2, "stddev": 28.22570909, "variance": 796.6906539 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 86746, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 86746, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.03438775, "count": 86746, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.401589232, "variance": 1.964452376 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 86746, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243000.0065, 1486000.004, -49.175, 243999.9865, 1486999.984, 58.525 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243000.0064692973, 1486000.003773778, -49.175 ], [ 243000.0064692973, 1486999.983773778, -49.175 ], [ 243999.9864692973, 1486999.983773778, 58.525 ], [ 243999.9864692973, 1486000.003773778, 58.525 ], [ 243000.0064692973, 1486000.003773778, -49.175 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_4386_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_4386_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_4386_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4386_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6264209, 13.43067556, -49.175, 144.6357394, 13.43979685, 58.525 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.62650976917257, 13.430675560509624, -49.175 ], [ 144.6264208843523, 13.439709981788791, -49.175 ], [ 144.63565086876523, 13.439796848958618, 58.525 ], [ 144.63573940872686, 13.430762367218184, 58.525 ], [ 144.62650976917257, 13.430675560509624, -49.175 ] ] ] }, "id": "20070218_4386_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4386_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 86746, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243544.4137, "count": 86746, "maximum": 243999.9865, "minimum": 243000.0065, "name": "X", "position": 0, "stddev": 264.8654728, "variance": 70153.7187 }, { "average": 1486544.207, "count": 86746, "maximum": 1486999.984, "minimum": 1486000.004, "name": "Y", "position": 1, "stddev": 252.4155837, "variance": 63713.6269 }, { "average": 17.52554988, "count": 86746, "maximum": 58.525, "minimum": -49.175, "name": "Z", "position": 2, "stddev": 28.22570909, "variance": 796.6906539 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 86746, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 86746, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.03438775, "count": 86746, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.401589232, "variance": 1.964452376 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 86746, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 86746, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243000.0065, 1486000.004, -49.175, 243999.9865, 1486999.984, 58.525 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243000.0064692973, 1486000.003773778, -49.175 ], [ 243000.0064692973, 1486999.983773778, -49.175 ], [ 243999.9864692973, 1486999.983773778, 58.525 ], [ 243999.9864692973, 1486000.003773778, 58.525 ], [ 243000.0064692973, 1486000.003773778, -49.175 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5877_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.77126350507064, 13.350673942927783, -9.55 ], [ 144.77118060951173, 13.359703380114965, -9.55 ], [ 144.77485909065416, 13.359735743620902, 21.19 ], [ 144.7749418496604, 13.350706283775978, 21.19 ], [ 144.77126350507064, 13.350673942927783, -9.55 ] ] ] }, "bbox": [ 144.7711806, 13.35067394, -9.55, 144.7749418, 13.35973574, 21.19 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 13623, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258810.394, "count": 13623, "maximum": 258999.9753, "minimum": 258601.3553, "name": "X", "position": 0, "stddev": 141.900087, "variance": 20135.63468 }, { "average": 1477430.069, "count": 13623, "maximum": 1477999.596, "minimum": 1477000.276, "name": "Y", "position": 1, "stddev": 238.8525151, "variance": 57050.52397 }, { "average": 0.1432283638, "count": 13623, "maximum": 21.19, "minimum": -9.55, "name": "Z", "position": 2, "stddev": 4.428074211, "variance": 19.60784121 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13623, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13623, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.19334948, "count": 13623, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.46837452, "variance": 2.156123731 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13623, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258601.3553, 1477000.276, -9.55, 258999.9753, 1477999.596, 21.19 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258601.3552791865, 1477000.2762802686, -9.55 ], [ 258601.3552791865, 1477999.5962802684, -9.55 ], [ 258999.9752791865, 1477999.5962802684, 21.19 ], [ 258999.9752791865, 1477000.2762802686, 21.19 ], [ 258601.3552791865, 1477000.2762802686, -9.55 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5877_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5877_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5877_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5877_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7711806, 13.35067394, -9.55, 144.7749418, 13.35973574, 21.19 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.77126350507064, 13.350673942927783, -9.55 ], [ 144.77118060951173, 13.359703380114965, -9.55 ], [ 144.77485909065416, 13.359735743620902, 21.19 ], [ 144.7749418496604, 13.350706283775978, 21.19 ], [ 144.77126350507064, 13.350673942927783, -9.55 ] ] ] }, "id": "20070218_5877_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5877_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 13623, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258810.394, "count": 13623, "maximum": 258999.9753, "minimum": 258601.3553, "name": "X", "position": 0, "stddev": 141.900087, "variance": 20135.63468 }, { "average": 1477430.069, "count": 13623, "maximum": 1477999.596, "minimum": 1477000.276, "name": "Y", "position": 1, "stddev": 238.8525151, "variance": 57050.52397 }, { "average": 0.1432283638, "count": 13623, "maximum": 21.19, "minimum": -9.55, "name": "Z", "position": 2, "stddev": 4.428074211, "variance": 19.60784121 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13623, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13623, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.19334948, "count": 13623, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.46837452, "variance": 2.156123731 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13623, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13623, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258601.3553, 1477000.276, -9.55, 258999.9753, 1477999.596, 21.19 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258601.3552791865, 1477000.2762802686, -9.55 ], [ 258601.3552791865, 1477999.5962802684, -9.55 ], [ 258999.9752791865, 1477999.5962802684, 21.19 ], [ 258999.9752791865, 1477000.2762802686, 21.19 ], [ 258601.3552791865, 1477000.2762802686, -9.55 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7799_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.93935096411184, 13.550911859477806, -50.565 ], [ 144.93927307172348, 13.559948296749983, -50.565 ], [ 144.94721888953114, 13.56001375050812, 61.995 ], [ 144.94729648205328, 13.55097726801348, 61.995 ], [ 144.93935096411184, 13.550911859477806, -50.565 ] ] ] }, "bbox": [ 144.9392731, 13.55091186, -50.565, 144.9472965, 13.56001375, 61.995 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 89715, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 277290.8534, "count": 89715, "maximum": 277860.2076, "minimum": 276999.9676, "name": "X", "position": 0, "stddev": 195.6595023, "variance": 38282.64086 }, { "average": 1499587.777, "count": 89715, "maximum": 1499999.989, "minimum": 1498999.989, "name": "Y", "position": 1, "stddev": 273.7003376, "variance": 74911.87479 }, { "average": -27.03840144, "count": 89715, "maximum": 61.995, "minimum": -50.565, "name": "Z", "position": 2, "stddev": 14.99368424, "variance": 224.8105672 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 89715, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 89715, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.18682495, "count": 89715, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.7249669889, "variance": 0.525577135 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 89715, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 276999.9676, 1498999.989, -50.565, 277860.2076, 1499999.989, 61.995 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276999.96762268036, 1498999.9888354274, -50.565 ], [ 276999.96762268036, 1499999.9888354274, -50.565 ], [ 277860.20762268035, 1499999.9888354274, 61.995 ], [ 277860.20762268035, 1498999.9888354274, 61.995 ], [ 276999.96762268036, 1498999.9888354274, -50.565 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7799_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7799_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7799_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7799_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9392731, 13.55091186, -50.565, 144.9472965, 13.56001375, 61.995 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.93935096411184, 13.550911859477806, -50.565 ], [ 144.93927307172348, 13.559948296749983, -50.565 ], [ 144.94721888953114, 13.56001375050812, 61.995 ], [ 144.94729648205328, 13.55097726801348, 61.995 ], [ 144.93935096411184, 13.550911859477806, -50.565 ] ] ] }, "id": "20070218_7799_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7799_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 89715, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 277290.8534, "count": 89715, "maximum": 277860.2076, "minimum": 276999.9676, "name": "X", "position": 0, "stddev": 195.6595023, "variance": 38282.64086 }, { "average": 1499587.777, "count": 89715, "maximum": 1499999.989, "minimum": 1498999.989, "name": "Y", "position": 1, "stddev": 273.7003376, "variance": 74911.87479 }, { "average": -27.03840144, "count": 89715, "maximum": 61.995, "minimum": -50.565, "name": "Z", "position": 2, "stddev": 14.99368424, "variance": 224.8105672 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 89715, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 89715, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.18682495, "count": 89715, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.7249669889, "variance": 0.525577135 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 89715, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 89715, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 276999.9676, 1498999.989, -50.565, 277860.2076, 1499999.989, 61.995 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276999.96762268036, 1498999.9888354274, -50.565 ], [ 276999.96762268036, 1499999.9888354274, -50.565 ], [ 277860.20762268035, 1499999.9888354274, 61.995 ], [ 277860.20762268035, 1498999.9888354274, 61.995 ], [ 276999.96762268036, 1498999.9888354274, -50.565 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6488_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.82584190459698, 13.450548253532828, 1.2295 ], [ 144.82581544364723, 13.45348092772606, 1.2295 ], [ 144.82939061133862, 13.45351180985097, 105.4295 ], [ 144.8294170288667, 13.45057912868748, 105.4295 ], [ 144.82584190459698, 13.450548253532828, 1.2295 ] ] ] }, "bbox": [ 144.8258154, 13.45054825, 1.2295, 144.829417, 13.45351181, 105.4295 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 9552, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 264889.127, "count": 9552, "maximum": 264999.9141, "minimum": 264612.6541, "name": "X", "position": 0, "stddev": 84.69661255, "variance": 7173.516177 }, { "average": 1488088.742, "count": 9552, "maximum": 1488324.564, "minimum": 1488000.004, "name": "Y", "position": 1, "stddev": 68.78465142, "variance": 4731.328272 }, { "average": 33.98837772, "count": 9552, "maximum": 105.4295, "minimum": 1.2295, "name": "Z", "position": 2, "stddev": 28.9530199, "variance": 838.2773614 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 9552, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 9552, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 9552, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 9552, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 264612.6541, 1488000.004, 1.2295, 264999.9141, 1488324.564, 105.4295 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 264612.6540856653, 1488000.0042965736, 1.2295 ], [ 264612.6540856653, 1488324.5642965736, 1.2295 ], [ 264999.9140856653, 1488324.5642965736, 105.4295 ], [ 264999.9140856653, 1488000.0042965736, 105.4295 ], [ 264612.6540856653, 1488000.0042965736, 1.2295 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6488_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6488_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6488_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6488_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8258154, 13.45054825, 1.2295, 144.829417, 13.45351181, 105.4295 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.82584190459698, 13.450548253532828, 1.2295 ], [ 144.82581544364723, 13.45348092772606, 1.2295 ], [ 144.82939061133862, 13.45351180985097, 105.4295 ], [ 144.8294170288667, 13.45057912868748, 105.4295 ], [ 144.82584190459698, 13.450548253532828, 1.2295 ] ] ] }, "id": "20070218_6488_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6488_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 9552, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 264889.127, "count": 9552, "maximum": 264999.9141, "minimum": 264612.6541, "name": "X", "position": 0, "stddev": 84.69661255, "variance": 7173.516177 }, { "average": 1488088.742, "count": 9552, "maximum": 1488324.564, "minimum": 1488000.004, "name": "Y", "position": 1, "stddev": 68.78465142, "variance": 4731.328272 }, { "average": 33.98837772, "count": 9552, "maximum": 105.4295, "minimum": 1.2295, "name": "Z", "position": 2, "stddev": 28.9530199, "variance": 838.2773614 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 9552, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 9552, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 9552, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 9552, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9552, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 264612.6541, 1488000.004, 1.2295, 264999.9141, 1488324.564, 105.4295 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 264612.6540856653, 1488000.0042965736, 1.2295 ], [ 264612.6540856653, 1488324.5642965736, 1.2295 ], [ 264999.9140856653, 1488324.5642965736, 105.4295 ], [ 264999.9140856653, 1488000.0042965736, 105.4295 ], [ 264612.6540856653, 1488000.0042965736, 1.2295 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5878_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.76666909371878, 13.359688521789101, -28.585 ], [ 144.7666059465643, 13.366548490041916, -28.585 ], [ 144.77479586583524, 13.366620654892298, 49.175 ], [ 144.77485878186016, 13.359760648270509, 49.175 ], [ 144.76666909371878, 13.359688521789101, -28.585 ] ] ] }, "bbox": [ 144.7666059, 13.35968852, -28.585, 144.7748588, 13.36662065, 49.175 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 12307, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258621.0984, "count": 12307, "maximum": 258999.9666, "minimum": 258112.4866, "name": "X", "position": 0, "stddev": 271.5684627, "variance": 73749.42994 }, { "average": 1478299.679, "count": 12307, "maximum": 1478761.573, "minimum": 1478002.353, "name": "Y", "position": 1, "stddev": 234.4806928, "variance": 54981.19531 }, { "average": 8.419553506, "count": 12307, "maximum": 49.175, "minimum": -28.585, "name": "Z", "position": 2, "stddev": 17.89648822, "variance": 320.2842907 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 12307, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 12307, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.60420899, "count": 12307, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.496436581, "variance": 2.239322442 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 12307, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258112.4866, 1478002.353, -28.585, 258999.9666, 1478761.573, 49.175 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258112.486562205, 1478002.352639031, -28.585 ], [ 258112.486562205, 1478761.572639031, -28.585 ], [ 258999.966562205, 1478761.572639031, 49.175 ], [ 258999.966562205, 1478002.352639031, 49.175 ], [ 258112.486562205, 1478002.352639031, -28.585 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5878_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5878_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5878_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5878_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7666059, 13.35968852, -28.585, 144.7748588, 13.36662065, 49.175 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.76666909371878, 13.359688521789101, -28.585 ], [ 144.7666059465643, 13.366548490041916, -28.585 ], [ 144.77479586583524, 13.366620654892298, 49.175 ], [ 144.77485878186016, 13.359760648270509, 49.175 ], [ 144.76666909371878, 13.359688521789101, -28.585 ] ] ] }, "id": "20070218_5878_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5878_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 12307, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258621.0984, "count": 12307, "maximum": 258999.9666, "minimum": 258112.4866, "name": "X", "position": 0, "stddev": 271.5684627, "variance": 73749.42994 }, { "average": 1478299.679, "count": 12307, "maximum": 1478761.573, "minimum": 1478002.353, "name": "Y", "position": 1, "stddev": 234.4806928, "variance": 54981.19531 }, { "average": 8.419553506, "count": 12307, "maximum": 49.175, "minimum": -28.585, "name": "Z", "position": 2, "stddev": 17.89648822, "variance": 320.2842907 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 12307, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 12307, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.60420899, "count": 12307, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.496436581, "variance": 2.239322442 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 12307, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12307, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258112.4866, 1478002.353, -28.585, 258999.9666, 1478761.573, 49.175 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258112.486562205, 1478002.352639031, -28.585 ], [ 258112.486562205, 1478761.572639031, -28.585 ], [ 258999.966562205, 1478761.572639031, 49.175 ], [ 258999.966562205, 1478002.352639031, 49.175 ], [ 258112.486562205, 1478002.352639031, -28.585 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7294_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.8935671813564, 13.505345680647487, -49.53 ], [ 144.8934878369479, 13.514381886484655, -49.53 ], [ 144.90272274396895, 13.51445938891731, 64.37 ], [ 144.9028017411317, 13.50542312937004, 64.37 ], [ 144.8935671813564, 13.505345680647487, -49.53 ] ] ] }, "bbox": [ 144.8934878, 13.50534568, -49.53, 144.9028017, 13.51445939, 64.37 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 105110, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 272601.9627, "count": 105110, "maximum": 272999.994, "minimum": 271999.974, "name": "X", "position": 0, "stddev": 252.6204513, "variance": 63817.09243 }, { "average": 1494367.197, "count": 105110, "maximum": 1494999.983, "minimum": 1493999.983, "name": "Y", "position": 1, "stddev": 238.034461, "variance": 56660.40462 }, { "average": -8.212602036, "count": 105110, "maximum": 64.37, "minimum": -49.53, "name": "Z", "position": 2, "stddev": 21.29533747, "variance": 453.4913978 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 105110, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 105110, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.80284464, "count": 105110, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.328153299, "variance": 1.763991185 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 105110, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 271999.974, 1493999.983, -49.53, 272999.994, 1494999.983, 64.37 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 271999.9740140069, 1493999.9833446783, -49.53 ], [ 271999.9740140069, 1494999.9833446783, -49.53 ], [ 272999.9940140069, 1494999.9833446783, 64.37 ], [ 272999.9940140069, 1493999.9833446783, 64.37 ], [ 271999.9740140069, 1493999.9833446783, -49.53 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7294_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7294_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7294_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7294_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8934878, 13.50534568, -49.53, 144.9028017, 13.51445939, 64.37 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.8935671813564, 13.505345680647487, -49.53 ], [ 144.8934878369479, 13.514381886484655, -49.53 ], [ 144.90272274396895, 13.51445938891731, 64.37 ], [ 144.9028017411317, 13.50542312937004, 64.37 ], [ 144.8935671813564, 13.505345680647487, -49.53 ] ] ] }, "id": "20070218_7294_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7294_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 105110, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 272601.9627, "count": 105110, "maximum": 272999.994, "minimum": 271999.974, "name": "X", "position": 0, "stddev": 252.6204513, "variance": 63817.09243 }, { "average": 1494367.197, "count": 105110, "maximum": 1494999.983, "minimum": 1493999.983, "name": "Y", "position": 1, "stddev": 238.034461, "variance": 56660.40462 }, { "average": -8.212602036, "count": 105110, "maximum": 64.37, "minimum": -49.53, "name": "Z", "position": 2, "stddev": 21.29533747, "variance": 453.4913978 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 105110, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 105110, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.80284464, "count": 105110, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.328153299, "variance": 1.763991185 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 105110, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 105110, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 271999.974, 1493999.983, -49.53, 272999.994, 1494999.983, 64.37 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 271999.9740140069, 1493999.9833446783, -49.53 ], [ 271999.9740140069, 1494999.9833446783, -49.53 ], [ 272999.9940140069, 1494999.9833446783, 64.37 ], [ 272999.9940140069, 1493999.9833446783, 64.37 ], [ 271999.9740140069, 1493999.9833446783, -49.53 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_4387_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.62642229128338, 13.43971015365487, -37.855 ], [ 144.62633337850576, 13.448740773401298, -37.855 ], [ 144.63045590261203, 13.448779639518854, 51.665 ], [ 144.63054466132058, 13.439748992748852, 51.665 ], [ 144.62642229128338, 13.43971015365487, -37.855 ] ] ] }, "bbox": [ 144.6263334, 13.43971015, -37.855, 144.6305447, 13.44877964, 51.665 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 8595, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243208.9812, "count": 8595, "maximum": 243446.7791, "minimum": 243000.1591, "name": "X", "position": 0, "stddev": 111.1074832, "variance": 12344.87282 }, { "average": 1487174.735, "count": 8595, "maximum": 1487999.561, "minimum": 1487000.001, "name": "Y", "position": 1, "stddev": 276.8975482, "variance": 76672.25221 }, { "average": 37.04094066, "count": 8595, "maximum": 51.665, "minimum": -37.855, "name": "Z", "position": 2, "stddev": 19.70503941, "variance": 388.2885782 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 8595, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 8595, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 8595, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 8595, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243000.1591, 1487000.001, -37.855, 243446.7791, 1487999.561, 51.665 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243000.1590663745, 1487000.0013267857, -37.855 ], [ 243000.1590663745, 1487999.5613267857, -37.855 ], [ 243446.7790663745, 1487999.5613267857, 51.665 ], [ 243446.7790663745, 1487000.0013267857, 51.665 ], [ 243000.1590663745, 1487000.0013267857, -37.855 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_4387_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_4387_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_4387_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4387_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6263334, 13.43971015, -37.855, 144.6305447, 13.44877964, 51.665 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.62642229128338, 13.43971015365487, -37.855 ], [ 144.62633337850576, 13.448740773401298, -37.855 ], [ 144.63045590261203, 13.448779639518854, 51.665 ], [ 144.63054466132058, 13.439748992748852, 51.665 ], [ 144.62642229128338, 13.43971015365487, -37.855 ] ] ] }, "id": "20070218_4387_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4387_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 8595, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243208.9812, "count": 8595, "maximum": 243446.7791, "minimum": 243000.1591, "name": "X", "position": 0, "stddev": 111.1074832, "variance": 12344.87282 }, { "average": 1487174.735, "count": 8595, "maximum": 1487999.561, "minimum": 1487000.001, "name": "Y", "position": 1, "stddev": 276.8975482, "variance": 76672.25221 }, { "average": 37.04094066, "count": 8595, "maximum": 51.665, "minimum": -37.855, "name": "Z", "position": 2, "stddev": 19.70503941, "variance": 388.2885782 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 8595, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 8595, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 8595, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 8595, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 8595, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243000.1591, 1487000.001, -37.855, 243446.7791, 1487999.561, 51.665 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243000.1590663745, 1487000.0013267857, -37.855 ], [ 243000.1590663745, 1487999.5613267857, -37.855 ], [ 243446.7790663745, 1487999.5613267857, 51.665 ], [ 243446.7790663745, 1487000.0013267857, 51.665 ], [ 243000.1590663745, 1487000.0013267857, -37.855 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7800_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.94847611054533, 13.563995524976942, -50.84 ], [ 144.94843261008728, 13.569060292035122, -50.84 ], [ 144.95100699943063, 13.569081444870335, -38.88 ], [ 144.9510504453877, 13.564016669626048, -38.88 ], [ 144.94847611054533, 13.563995524976942, -50.84 ] ] ] }, "bbox": [ 144.9484326, 13.56399552, -50.84, 144.9510504, 13.56908144, -38.88 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 10001, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 278083.6532, "count": 10001, "maximum": 278278.7093, "minimum": 278000.0093, "name": "X", "position": 0, "stddev": 62.23156156, "variance": 3872.767254 }, { "average": 1500786.894, "count": 10001, "maximum": 1500999.927, "minimum": 1500439.447, "name": "Y", "position": 1, "stddev": 141.417825, "variance": 19999.00122 }, { "average": -45.46357064, "count": 10001, "maximum": -38.88, "minimum": -50.84, "name": "Z", "position": 2, "stddev": 2.461233459, "variance": 6.057670139 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 10001, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 10001, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 10001, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 10001, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 278000.0093, 1500439.447, -50.84, 278278.7093, 1500999.927, -38.88 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 278000.00927381765, 1500439.4474521799, -50.84 ], [ 278000.00927381765, 1500999.9274521798, -50.84 ], [ 278278.7092738176, 1500999.9274521798, -38.88 ], [ 278278.7092738176, 1500439.4474521799, -38.88 ], [ 278000.00927381765, 1500439.4474521799, -50.84 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7800_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7800_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7800_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7800_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9484326, 13.56399552, -50.84, 144.9510504, 13.56908144, -38.88 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.94847611054533, 13.563995524976942, -50.84 ], [ 144.94843261008728, 13.569060292035122, -50.84 ], [ 144.95100699943063, 13.569081444870335, -38.88 ], [ 144.9510504453877, 13.564016669626048, -38.88 ], [ 144.94847611054533, 13.563995524976942, -50.84 ] ] ] }, "id": "20070218_7800_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7800_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 10001, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 278083.6532, "count": 10001, "maximum": 278278.7093, "minimum": 278000.0093, "name": "X", "position": 0, "stddev": 62.23156156, "variance": 3872.767254 }, { "average": 1500786.894, "count": 10001, "maximum": 1500999.927, "minimum": 1500439.447, "name": "Y", "position": 1, "stddev": 141.417825, "variance": 19999.00122 }, { "average": -45.46357064, "count": 10001, "maximum": -38.88, "minimum": -50.84, "name": "Z", "position": 2, "stddev": 2.461233459, "variance": 6.057670139 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 10001, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 10001, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 10001, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 10001, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 10001, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 278000.0093, 1500439.447, -50.84, 278278.7093, 1500999.927, -38.88 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 278000.00927381765, 1500439.4474521799, -50.84 ], [ 278000.00927381765, 1500999.9274521798, -50.84 ], [ 278278.7092738176, 1500999.9274521798, -38.88 ], [ 278278.7092738176, 1500439.4474521799, -38.88 ], [ 278000.00927381765, 1500439.4474521799, -50.84 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5892_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.76620687022157, 13.492265207554892, -44.2 ], [ 144.76617953587981, 13.495204259574466, -44.2 ], [ 144.7712984170781, 13.495249805417991, 25.14 ], [ 144.77132568891375, 13.492310743125483, 25.14 ], [ 144.76620687022157, 13.492265207554892, -44.2 ] ] ] }, "bbox": [ 144.7661795, 13.49226521, -44.2, 144.7713257, 13.49524981, 25.14 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 1146, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258560.5827, "count": 1146, "maximum": 258749.6729, "minimum": 258195.2729, "name": "X", "position": 0, "stddev": 167.2197507, "variance": 27962.44501 }, { "average": 1492817.63, "count": 1146, "maximum": 1492999.748, "minimum": 1492674.468, "name": "Y", "position": 1, "stddev": 111.7083309, "variance": 12478.75119 }, { "average": 2.104048866, "count": 1146, "maximum": 25.14, "minimum": -44.2, "name": "Z", "position": 2, "stddev": 17.06266987, "variance": 291.1347031 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1146, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1146, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.02617801, "count": 1146, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.405297109, "variance": 1.974859965 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1146, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258195.2729, 1492674.468, -44.2, 258749.6729, 1492999.748, 25.14 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258195.27287279282, 1492674.4675029647, -44.2 ], [ 258195.27287279282, 1492999.7475029645, -44.2 ], [ 258749.67287279284, 1492999.7475029645, 25.14 ], [ 258749.67287279284, 1492674.4675029647, 25.14 ], [ 258195.27287279282, 1492674.4675029647, -44.2 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5892_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5892_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5892_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5892_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7661795, 13.49226521, -44.2, 144.7713257, 13.49524981, 25.14 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.76620687022157, 13.492265207554892, -44.2 ], [ 144.76617953587981, 13.495204259574466, -44.2 ], [ 144.7712984170781, 13.495249805417991, 25.14 ], [ 144.77132568891375, 13.492310743125483, 25.14 ], [ 144.76620687022157, 13.492265207554892, -44.2 ] ] ] }, "id": "20070218_5892_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5892_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 1146, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258560.5827, "count": 1146, "maximum": 258749.6729, "minimum": 258195.2729, "name": "X", "position": 0, "stddev": 167.2197507, "variance": 27962.44501 }, { "average": 1492817.63, "count": 1146, "maximum": 1492999.748, "minimum": 1492674.468, "name": "Y", "position": 1, "stddev": 111.7083309, "variance": 12478.75119 }, { "average": 2.104048866, "count": 1146, "maximum": 25.14, "minimum": -44.2, "name": "Z", "position": 2, "stddev": 17.06266987, "variance": 291.1347031 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1146, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1146, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.02617801, "count": 1146, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.405297109, "variance": 1.974859965 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1146, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1146, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258195.2729, 1492674.468, -44.2, 258749.6729, 1492999.748, 25.14 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258195.27287279282, 1492674.4675029647, -44.2 ], [ 258195.27287279282, 1492999.7475029645, -44.2 ], [ 258749.67287279284, 1492999.7475029645, 25.14 ], [ 258749.67287279284, 1492674.4675029647, 25.14 ], [ 258195.27287279282, 1492674.4675029647, -44.2 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_4388_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.62652517246303, 13.44874838673627, -37.17 ], [ 144.62652471333845, 13.448795005234592, -37.17 ], [ 144.6265738195182, 13.448795468556963, -36.09 ], [ 144.6265742786333, 13.448748850056974, -36.09 ], [ 144.62652517246303, 13.44874838673627, -37.17 ] ] ] }, "bbox": [ 144.6265247, 13.44874839, -37.17, 144.6265743, 13.44879547, -36.09 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 5, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243023.2676, "count": 5, "maximum": 243026.2636, "minimum": 243020.9436, "name": "X", "position": 0, "stddev": 2.518120331, "variance": 6.34093 }, { "average": 1488002.692, "count": 5, "maximum": 1488005.364, "minimum": 1488000.204, "name": "Y", "position": 1, "stddev": 2.142561551, "variance": 4.59057 }, { "average": -36.516, "count": 5, "maximum": -36.09, "minimum": -37.17, "name": "Z", "position": 2, "stddev": 0.4164492766, "variance": 0.17343 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 5, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243020.9436, 1488000.204, -37.17, 243026.2636, 1488005.364, -36.09 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243020.9435831733, 1488000.2036482804, -37.17 ], [ 243020.9435831733, 1488005.3636482805, -37.17 ], [ 243026.2635831733, 1488005.3636482805, -36.09 ], [ 243026.2635831733, 1488000.2036482804, -36.09 ], [ 243020.9435831733, 1488000.2036482804, -37.17 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_4388_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_4388_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_4388_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4388_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6265247, 13.44874839, -37.17, 144.6265743, 13.44879547, -36.09 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.62652517246303, 13.44874838673627, -37.17 ], [ 144.62652471333845, 13.448795005234592, -37.17 ], [ 144.6265738195182, 13.448795468556963, -36.09 ], [ 144.6265742786333, 13.448748850056974, -36.09 ], [ 144.62652517246303, 13.44874838673627, -37.17 ] ] ] }, "id": "20070218_4388_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4388_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 5, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243023.2676, "count": 5, "maximum": 243026.2636, "minimum": 243020.9436, "name": "X", "position": 0, "stddev": 2.518120331, "variance": 6.34093 }, { "average": 1488002.692, "count": 5, "maximum": 1488005.364, "minimum": 1488000.204, "name": "Y", "position": 1, "stddev": 2.142561551, "variance": 4.59057 }, { "average": -36.516, "count": 5, "maximum": -36.09, "minimum": -37.17, "name": "Z", "position": 2, "stddev": 0.4164492766, "variance": 0.17343 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 5, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243020.9436, 1488000.204, -37.17, 243026.2636, 1488005.364, -36.09 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243020.9435831733, 1488000.2036482804, -37.17 ], [ 243020.9435831733, 1488005.3636482805, -37.17 ], [ 243026.2635831733, 1488005.3636482805, -36.09 ], [ 243026.2635831733, 1488000.2036482804, -36.09 ], [ 243020.9435831733, 1488000.2036482804, -37.17 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6587_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.82949406215826, 13.442086054180129, -50.495 ], [ 144.82941759461477, 13.450578870153866, -50.495 ], [ 144.83864837309406, 13.450658353259076, 32.485 ], [ 144.83872451609506, 13.442165485311405, 32.485 ], [ 144.82949406215826, 13.442086054180129, -50.495 ] ] ] }, "bbox": [ 144.8294176, 13.44208605, -50.495, 144.8387245, 13.45065835, 32.485 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 81798, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 265416.1866, "count": 81798, "maximum": 265999.8551, "minimum": 264999.9751, "name": "X", "position": 0, "stddev": 276.8061082, "variance": 76621.62152 }, { "average": 1487681.184, "count": 81798, "maximum": 1487999.975, "minimum": 1487060.075, "name": "Y", "position": 1, "stddev": 218.547655, "variance": 47763.07749 }, { "average": -18.11551688, "count": 81798, "maximum": 32.485, "minimum": -50.495, "name": "Z", "position": 2, "stddev": 18.71584715, "variance": 350.2829346 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 81798, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 81798, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.67505318, "count": 81798, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.25278966, "variance": 1.569481931 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 81798, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 264999.9751, 1487060.075, -50.495, 265999.8551, 1487999.975, 32.485 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 264999.9751108414, 1487060.075146638, -50.495 ], [ 264999.9751108414, 1487999.975146638, -50.495 ], [ 265999.8551108414, 1487999.975146638, 32.485 ], [ 265999.8551108414, 1487060.075146638, 32.485 ], [ 264999.9751108414, 1487060.075146638, -50.495 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6587_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6587_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6587_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6587_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8294176, 13.44208605, -50.495, 144.8387245, 13.45065835, 32.485 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.82949406215826, 13.442086054180129, -50.495 ], [ 144.82941759461477, 13.450578870153866, -50.495 ], [ 144.83864837309406, 13.450658353259076, 32.485 ], [ 144.83872451609506, 13.442165485311405, 32.485 ], [ 144.82949406215826, 13.442086054180129, -50.495 ] ] ] }, "id": "20070218_6587_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6587_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 81798, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 265416.1866, "count": 81798, "maximum": 265999.8551, "minimum": 264999.9751, "name": "X", "position": 0, "stddev": 276.8061082, "variance": 76621.62152 }, { "average": 1487681.184, "count": 81798, "maximum": 1487999.975, "minimum": 1487060.075, "name": "Y", "position": 1, "stddev": 218.547655, "variance": 47763.07749 }, { "average": -18.11551688, "count": 81798, "maximum": 32.485, "minimum": -50.495, "name": "Z", "position": 2, "stddev": 18.71584715, "variance": 350.2829346 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 81798, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 81798, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.67505318, "count": 81798, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.25278966, "variance": 1.569481931 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 81798, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 81798, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 264999.9751, 1487060.075, -50.495, 265999.8551, 1487999.975, 32.485 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 264999.9751108414, 1487060.075146638, -50.495 ], [ 264999.9751108414, 1487999.975146638, -50.495 ], [ 265999.8551108414, 1487999.975146638, 32.485 ], [ 265999.8551108414, 1487060.075146638, 32.485 ], [ 264999.9751108414, 1487060.075146638, -50.495 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7295_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.90217749177185, 13.514455070479007, 44.09 ], [ 144.90217430456536, 13.514819412190251, 44.09 ], [ 144.90271823214093, 13.514823967701563, 89.87 ], [ 144.90272141852245, 13.514459625863017, 89.87 ], [ 144.90217749177185, 13.514455070479007, 44.09 ] ] ] }, "bbox": [ 144.9021743, 13.51445507, 44.09, 144.9027214, 13.51482397, 89.87 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 216, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 272978.0551, "count": 216, "maximum": 272999.8507, "minimum": 272940.9507, "name": "X", "position": 0, "stddev": 15.64746475, "variance": 244.8431531 }, { "average": 1495013.802, "count": 216, "maximum": 1495040.331, "minimum": 1495000.011, "name": "Y", "position": 1, "stddev": 10.64060592, "variance": 113.2224943 }, { "average": 75.97731481, "count": 216, "maximum": 89.87, "minimum": 44.09, "name": "Z", "position": 2, "stddev": 9.997195803, "variance": 99.94392392 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 216, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 216, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 216, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 216, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 272940.9507, 1495000.011, 44.09, 272999.8507, 1495040.331, 89.87 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 272940.950720772, 1495000.010792629, 44.09 ], [ 272940.950720772, 1495040.330792629, 44.09 ], [ 272999.850720772, 1495040.330792629, 89.87 ], [ 272999.850720772, 1495000.010792629, 89.87 ], [ 272940.950720772, 1495000.010792629, 44.09 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7295_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7295_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7295_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7295_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9021743, 13.51445507, 44.09, 144.9027214, 13.51482397, 89.87 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.90217749177185, 13.514455070479007, 44.09 ], [ 144.90217430456536, 13.514819412190251, 44.09 ], [ 144.90271823214093, 13.514823967701563, 89.87 ], [ 144.90272141852245, 13.514459625863017, 89.87 ], [ 144.90217749177185, 13.514455070479007, 44.09 ] ] ] }, "id": "20070218_7295_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7295_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 216, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 272978.0551, "count": 216, "maximum": 272999.8507, "minimum": 272940.9507, "name": "X", "position": 0, "stddev": 15.64746475, "variance": 244.8431531 }, { "average": 1495013.802, "count": 216, "maximum": 1495040.331, "minimum": 1495000.011, "name": "Y", "position": 1, "stddev": 10.64060592, "variance": 113.2224943 }, { "average": 75.97731481, "count": 216, "maximum": 89.87, "minimum": 44.09, "name": "Z", "position": 2, "stddev": 9.997195803, "variance": 99.94392392 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 216, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 216, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 216, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 216, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 216, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 272940.9507, 1495000.011, 44.09, 272999.8507, 1495040.331, 89.87 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 272940.950720772, 1495000.010792629, 44.09 ], [ 272940.950720772, 1495040.330792629, 44.09 ], [ 272999.850720772, 1495040.330792629, 89.87 ], [ 272999.850720772, 1495000.010792629, 89.87 ], [ 272940.950720772, 1495000.010792629, 44.09 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7801_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.94843252614078, 13.569061644124437, -50.785 ], [ 144.94835487515635, 13.578097396999162, -50.785 ], [ 144.95433689146589, 13.578146540314906, 67.095 ], [ 144.95441431638804, 13.56911075352852, 67.095 ], [ 144.94843252614078, 13.569061644124437, -50.785 ] ] ] }, "bbox": [ 144.9483549, 13.56906164, -50.785, 144.9544143, 13.57814654, 67.095 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 57339, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 278248.3106, "count": 57339, "maximum": 278647.5814, "minimum": 278000.0014, "name": "X", "position": 0, "stddev": 163.6224365, "variance": 26772.30174 }, { "average": 1501575.296, "count": 57339, "maximum": 1501999.997, "minimum": 1501000.077, "name": "Y", "position": 1, "stddev": 278.4720814, "variance": 77546.70013 }, { "average": -25.77469079, "count": 57339, "maximum": 67.095, "minimum": -50.785, "name": "Z", "position": 2, "stddev": 19.47554475, "variance": 379.2968431 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 57339, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 57339, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.29906346, "count": 57339, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.898757768, "variance": 0.8077655256 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 57339, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 278000.0014, 1501000.077, -50.785, 278647.5814, 1501999.997, 67.095 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 278000.0014438772, 1501000.0771436591, -50.785 ], [ 278000.0014438772, 1501999.997143659, -50.785 ], [ 278647.58144387713, 1501999.997143659, 67.095 ], [ 278647.58144387713, 1501000.0771436591, 67.095 ], [ 278000.0014438772, 1501000.0771436591, -50.785 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7801_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7801_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7801_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7801_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9483549, 13.56906164, -50.785, 144.9544143, 13.57814654, 67.095 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.94843252614078, 13.569061644124437, -50.785 ], [ 144.94835487515635, 13.578097396999162, -50.785 ], [ 144.95433689146589, 13.578146540314906, 67.095 ], [ 144.95441431638804, 13.56911075352852, 67.095 ], [ 144.94843252614078, 13.569061644124437, -50.785 ] ] ] }, "id": "20070218_7801_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7801_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 57339, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 278248.3106, "count": 57339, "maximum": 278647.5814, "minimum": 278000.0014, "name": "X", "position": 0, "stddev": 163.6224365, "variance": 26772.30174 }, { "average": 1501575.296, "count": 57339, "maximum": 1501999.997, "minimum": 1501000.077, "name": "Y", "position": 1, "stddev": 278.4720814, "variance": 77546.70013 }, { "average": -25.77469079, "count": 57339, "maximum": 67.095, "minimum": -50.785, "name": "Z", "position": 2, "stddev": 19.47554475, "variance": 379.2968431 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 57339, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 57339, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.29906346, "count": 57339, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.898757768, "variance": 0.8077655256 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 57339, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 57339, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 278000.0014, 1501000.077, -50.785, 278647.5814, 1501999.997, 67.095 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 278000.0014438772, 1501000.0771436591, -50.785 ], [ 278000.0014438772, 1501999.997143659, -50.785 ], [ 278647.58144387713, 1501999.997143659, 67.095 ], [ 278647.58144387713, 1501000.0771436591, 67.095 ], [ 278000.0014438772, 1501000.0771436591, -50.785 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_4484_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63862711850965, 13.41288609967052, -47.455 ], [ 144.63854044670762, 13.421753109856862, -47.455 ], [ 144.64505725026632, 13.421814087797925, 44.245 ], [ 144.64514368341, 13.412947035900412, 44.245 ], [ 144.63862711850965, 13.41288609967052, -47.455 ] ] ] }, "bbox": [ 144.6385404, 13.4128861, -47.455, 144.6451437, 13.42181409, 44.245 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 50676, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244760.8954, "count": 50676, "maximum": 244999.967, "minimum": 244293.887, "name": "X", "position": 0, "stddev": 168.1809391, "variance": 28284.82828 }, { "average": 1484679.365, "count": 50676, "maximum": 1485000.002, "minimum": 1484018.562, "name": "Y", "position": 1, "stddev": 225.1967083, "variance": 50713.55742 }, { "average": 2.067633199, "count": 50676, "maximum": 44.245, "minimum": -47.455, "name": "Z", "position": 2, "stddev": 23.84925206, "variance": 568.7868238 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50676, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50676, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.56878996, "count": 50676, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.498436601, "variance": 2.245312249 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50676, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244293.887, 1484018.562, -47.455, 244999.967, 1485000.002, 44.245 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244293.8869664306, 1484018.5616525554, -47.455 ], [ 244293.8869664306, 1485000.0016525553, -47.455 ], [ 244999.96696643063, 1485000.0016525553, 44.245 ], [ 244999.96696643063, 1484018.5616525554, 44.245 ], [ 244293.8869664306, 1484018.5616525554, -47.455 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_4484_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_4484_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_4484_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4484_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6385404, 13.4128861, -47.455, 144.6451437, 13.42181409, 44.245 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63862711850965, 13.41288609967052, -47.455 ], [ 144.63854044670762, 13.421753109856862, -47.455 ], [ 144.64505725026632, 13.421814087797925, 44.245 ], [ 144.64514368341, 13.412947035900412, 44.245 ], [ 144.63862711850965, 13.41288609967052, -47.455 ] ] ] }, "id": "20070218_4484_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4484_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 50676, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244760.8954, "count": 50676, "maximum": 244999.967, "minimum": 244293.887, "name": "X", "position": 0, "stddev": 168.1809391, "variance": 28284.82828 }, { "average": 1484679.365, "count": 50676, "maximum": 1485000.002, "minimum": 1484018.562, "name": "Y", "position": 1, "stddev": 225.1967083, "variance": 50713.55742 }, { "average": 2.067633199, "count": 50676, "maximum": 44.245, "minimum": -47.455, "name": "Z", "position": 2, "stddev": 23.84925206, "variance": 568.7868238 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50676, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50676, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.56878996, "count": 50676, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.498436601, "variance": 2.245312249 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50676, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50676, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244293.887, 1484018.562, -47.455, 244999.967, 1485000.002, 44.245 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244293.8869664306, 1484018.5616525554, -47.455 ], [ 244293.8869664306, 1485000.0016525553, -47.455 ], [ 244999.96696643063, 1485000.0016525553, 44.245 ], [ 244999.96696643063, 1484018.5616525554, 44.245 ], [ 244293.8869664306, 1484018.5616525554, -47.455 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5893_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.7661856564553, 13.495206630184281, -46.16 ], [ 144.7661015837272, 13.504241897184434, -46.16 ], [ 144.77352572380005, 13.50430796333136, 67.62 ], [ 144.7736095176813, 13.495272650535226, 67.62 ], [ 144.7661856564553, 13.495206630184281, -46.16 ] ] ] }, "bbox": [ 144.7661016, 13.49520663, -46.16, 144.7736095, 13.50430796, 67.62 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 82412, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258640.0771, "count": 82412, "maximum": 258999.9781, "minimum": 258195.9381, "name": "X", "position": 0, "stddev": 218.6184153, "variance": 47794.01151 }, { "average": 1493546.843, "count": 82412, "maximum": 1493999.984, "minimum": 1493000.004, "name": "Y", "position": 1, "stddev": 260.0736743, "variance": 67638.31608 }, { "average": 11.14063437, "count": 82412, "maximum": 67.62, "minimum": -46.16, "name": "Z", "position": 2, "stddev": 21.62515457, "variance": 467.6473101 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 82412, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 82412, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.76031403, "count": 82412, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.477248484, "variance": 2.182263085 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 82412, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258195.9381, 1493000.004, -46.16, 258999.9781, 1493999.984, 67.62 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258195.9380954488, 1493000.003815221, -46.16 ], [ 258195.9380954488, 1493999.9838152209, -46.16 ], [ 258999.97809544878, 1493999.9838152209, 67.62 ], [ 258999.97809544878, 1493000.003815221, 67.62 ], [ 258195.9380954488, 1493000.003815221, -46.16 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5893_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5893_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5893_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5893_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7661016, 13.49520663, -46.16, 144.7736095, 13.50430796, 67.62 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.7661856564553, 13.495206630184281, -46.16 ], [ 144.7661015837272, 13.504241897184434, -46.16 ], [ 144.77352572380005, 13.50430796333136, 67.62 ], [ 144.7736095176813, 13.495272650535226, 67.62 ], [ 144.7661856564553, 13.495206630184281, -46.16 ] ] ] }, "id": "20070218_5893_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5893_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 82412, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258640.0771, "count": 82412, "maximum": 258999.9781, "minimum": 258195.9381, "name": "X", "position": 0, "stddev": 218.6184153, "variance": 47794.01151 }, { "average": 1493546.843, "count": 82412, "maximum": 1493999.984, "minimum": 1493000.004, "name": "Y", "position": 1, "stddev": 260.0736743, "variance": 67638.31608 }, { "average": 11.14063437, "count": 82412, "maximum": 67.62, "minimum": -46.16, "name": "Z", "position": 2, "stddev": 21.62515457, "variance": 467.6473101 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 82412, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 82412, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.76031403, "count": 82412, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.477248484, "variance": 2.182263085 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 82412, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82412, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258195.9381, 1493000.004, -46.16, 258999.9781, 1493999.984, 67.62 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258195.9380954488, 1493000.003815221, -46.16 ], [ 258195.9380954488, 1493999.9838152209, -46.16 ], [ 258999.97809544878, 1493999.9838152209, 67.62 ], [ 258999.97809544878, 1493000.003815221, 67.62 ], [ 258195.9380954488, 1493000.003815221, -46.16 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7394_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.9027827117054, 13.507595995841452, -50.285 ], [ 144.9027227049142, 13.51445939578185, -50.285 ], [ 144.911957300382, 13.514536555209595, 53.635 ], [ 144.9120170434032, 13.507673114652716, 53.635 ], [ 144.9027827117054, 13.507595995841452, -50.285 ] ] ] }, "bbox": [ 144.9027227, 13.507596, -50.285, 144.912017, 13.51453656, 53.635 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 114940, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 273474.0739, "count": 114940, "maximum": 273999.9698, "minimum": 272999.9898, "name": "X", "position": 0, "stddev": 282.6138594, "variance": 79870.59355 }, { "average": 1494696.587, "count": 114940, "maximum": 1494999.984, "minimum": 1494240.444, "name": "Y", "position": 1, "stddev": 181.6414705, "variance": 32993.62379 }, { "average": -27.06748156, "count": 114940, "maximum": 53.635, "minimum": -50.285, "name": "Z", "position": 2, "stddev": 16.57247632, "variance": 274.6469714 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 114940, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 114940, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.20875239, "count": 114940, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.7633378582, "variance": 0.5826846857 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 114940, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 272999.9898, 1494240.444, -50.285, 273999.9698, 1494999.984, 53.635 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 272999.98979170877, 1494240.4441404785, -50.285 ], [ 272999.98979170877, 1494999.9841404785, -50.285 ], [ 273999.96979170875, 1494999.9841404785, 53.635 ], [ 273999.96979170875, 1494240.4441404785, 53.635 ], [ 272999.98979170877, 1494240.4441404785, -50.285 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7394_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7394_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7394_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7394_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9027227, 13.507596, -50.285, 144.912017, 13.51453656, 53.635 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.9027827117054, 13.507595995841452, -50.285 ], [ 144.9027227049142, 13.51445939578185, -50.285 ], [ 144.911957300382, 13.514536555209595, 53.635 ], [ 144.9120170434032, 13.507673114652716, 53.635 ], [ 144.9027827117054, 13.507595995841452, -50.285 ] ] ] }, "id": "20070218_7394_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7394_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 114940, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 273474.0739, "count": 114940, "maximum": 273999.9698, "minimum": 272999.9898, "name": "X", "position": 0, "stddev": 282.6138594, "variance": 79870.59355 }, { "average": 1494696.587, "count": 114940, "maximum": 1494999.984, "minimum": 1494240.444, "name": "Y", "position": 1, "stddev": 181.6414705, "variance": 32993.62379 }, { "average": -27.06748156, "count": 114940, "maximum": 53.635, "minimum": -50.285, "name": "Z", "position": 2, "stddev": 16.57247632, "variance": 274.6469714 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 114940, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 114940, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.20875239, "count": 114940, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.7633378582, "variance": 0.5826846857 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 114940, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114940, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 272999.9898, 1494240.444, -50.285, 273999.9698, 1494999.984, 53.635 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 272999.98979170877, 1494240.4441404785, -50.285 ], [ 272999.98979170877, 1494999.9841404785, -50.285 ], [ 273999.96979170875, 1494999.9841404785, 53.635 ], [ 273999.96979170875, 1494240.4441404785, 53.635 ], [ 272999.98979170877, 1494240.4441404785, -50.285 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5894_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.77008053296498, 13.504277349422534, -43.06 ], [ 144.77005042062348, 13.50751764868366, -43.06 ], [ 144.7734955078162, 13.507548285753119, 38.42 ], [ 144.77352557372464, 13.50430797887411, 38.42 ], [ 144.77008053296498, 13.504277349422534, -43.06 ] ] ] }, "bbox": [ 144.7700504, 13.50427735, -43.06, 144.7735256, 13.50754829, 38.42 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 11955, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258861.0949, "count": 11955, "maximum": 258999.9619, "minimum": 258626.8619, "name": "X", "position": 0, "stddev": 101.5333115, "variance": 10309.01335 }, { "average": 1494124.161, "count": 11955, "maximum": 1494358.606, "minimum": 1493999.986, "name": "Y", "position": 1, "stddev": 87.01393323, "variance": 7571.424576 }, { "average": -9.052031786, "count": 11955, "maximum": 38.42, "minimum": -43.06, "name": "Z", "position": 2, "stddev": 17.87477541, "variance": 319.5075958 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 11955, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 11955, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.45119197, "count": 11955, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.072426183, "variance": 1.150097918 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 11955, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258626.8619, 1493999.986, -43.06, 258999.9619, 1494358.606, 38.42 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258626.86185916624, 1493999.9856828158, -43.06 ], [ 258626.86185916624, 1494358.605682816, -43.06 ], [ 258999.96185916621, 1494358.605682816, 38.42 ], [ 258999.96185916621, 1493999.9856828158, 38.42 ], [ 258626.86185916624, 1493999.9856828158, -43.06 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5894_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5894_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5894_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5894_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7700504, 13.50427735, -43.06, 144.7735256, 13.50754829, 38.42 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.77008053296498, 13.504277349422534, -43.06 ], [ 144.77005042062348, 13.50751764868366, -43.06 ], [ 144.7734955078162, 13.507548285753119, 38.42 ], [ 144.77352557372464, 13.50430797887411, 38.42 ], [ 144.77008053296498, 13.504277349422534, -43.06 ] ] ] }, "id": "20070218_5894_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5894_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 11955, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 258861.0949, "count": 11955, "maximum": 258999.9619, "minimum": 258626.8619, "name": "X", "position": 0, "stddev": 101.5333115, "variance": 10309.01335 }, { "average": 1494124.161, "count": 11955, "maximum": 1494358.606, "minimum": 1493999.986, "name": "Y", "position": 1, "stddev": 87.01393323, "variance": 7571.424576 }, { "average": -9.052031786, "count": 11955, "maximum": 38.42, "minimum": -43.06, "name": "Z", "position": 2, "stddev": 17.87477541, "variance": 319.5075958 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 11955, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 11955, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.45119197, "count": 11955, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.072426183, "variance": 1.150097918 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 11955, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 11955, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258626.8619, 1493999.986, -43.06, 258999.9619, 1494358.606, 38.42 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258626.86185916624, 1493999.9856828158, -43.06 ], [ 258626.86185916624, 1494358.605682816, -43.06 ], [ 258999.96185916621, 1494358.605682816, 38.42 ], [ 258999.96185916621, 1493999.9856828158, 38.42 ], [ 258626.86185916624, 1493999.9856828158, -43.06 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7802_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.94835490565436, 13.5780974169862, -50.815 ], [ 144.94827719507447, 13.587133524475648, -50.815 ], [ 144.9551713995855, 13.587190185904188, 174.085 ], [ 144.95524884944493, 13.578154039344218, 174.085 ], [ 144.94835490565436, 13.5780974169862, -50.815 ] ] ] }, "bbox": [ 144.9482772, 13.57809742, -50.815, 144.9552488, 13.58719019, 174.085 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 93593, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 278338.5989, "count": 93593, "maximum": 278746.3048, "minimum": 278000.0048, "name": "X", "position": 0, "stddev": 194.124607, "variance": 37684.36303 }, { "average": 1502500.327, "count": 93593, "maximum": 1502999.959, "minimum": 1501999.999, "name": "Y", "position": 1, "stddev": 286.7014016, "variance": 82197.69369 }, { "average": 11.66367479, "count": 93593, "maximum": 174.085, "minimum": -50.815, "name": "Z", "position": 2, "stddev": 56.75980556, "variance": 3221.675527 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 93593, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 93593, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.365647, "count": 93593, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.493978956, "variance": 2.23197312 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 93593, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 278000.0048, 1501999.999, -50.815, 278746.3048, 1502999.959, 174.085 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 278000.0047637944, 1501999.9993275565, -50.815 ], [ 278000.0047637944, 1502999.9593275564, -50.815 ], [ 278746.30476379447, 1502999.9593275564, 174.085 ], [ 278746.30476379447, 1501999.9993275565, 174.085 ], [ 278000.0047637944, 1501999.9993275565, -50.815 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7802_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7802_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7802_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7802_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9482772, 13.57809742, -50.815, 144.9552488, 13.58719019, 174.085 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.94835490565436, 13.5780974169862, -50.815 ], [ 144.94827719507447, 13.587133524475648, -50.815 ], [ 144.9551713995855, 13.587190185904188, 174.085 ], [ 144.95524884944493, 13.578154039344218, 174.085 ], [ 144.94835490565436, 13.5780974169862, -50.815 ] ] ] }, "id": "20070218_7802_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7802_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 93593, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 278338.5989, "count": 93593, "maximum": 278746.3048, "minimum": 278000.0048, "name": "X", "position": 0, "stddev": 194.124607, "variance": 37684.36303 }, { "average": 1502500.327, "count": 93593, "maximum": 1502999.959, "minimum": 1501999.999, "name": "Y", "position": 1, "stddev": 286.7014016, "variance": 82197.69369 }, { "average": 11.66367479, "count": 93593, "maximum": 174.085, "minimum": -50.815, "name": "Z", "position": 2, "stddev": 56.75980556, "variance": 3221.675527 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 93593, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 93593, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.365647, "count": 93593, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.493978956, "variance": 2.23197312 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 93593, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 93593, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 278000.0048, 1501999.999, -50.815, 278746.3048, 1502999.959, 174.085 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 278000.0047637944, 1501999.9993275565, -50.815 ], [ 278000.0047637944, 1502999.9593275564, -50.815 ], [ 278746.30476379447, 1502999.9593275564, 174.085 ], [ 278746.30476379447, 1501999.9993275565, 174.085 ], [ 278000.0047637944, 1501999.9993275565, -50.815 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6588_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.82941772961811, 13.450579089381538, -34.635 ], [ 144.82933631945562, 13.459614412435343, -34.635 ], [ 144.83856836666627, 13.459693958757574, 70.345 ], [ 144.83864943129825, 13.450658580415425, 70.345 ], [ 144.82941772961811, 13.450579089381538, -34.635 ] ] ] }, "bbox": [ 144.8293363, 13.45057909, -34.635, 144.8386494, 13.45969396, 70.345 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 118794, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 265567.519, "count": 118794, "maximum": 265999.9699, "minimum": 264999.9899, "name": "X", "position": 0, "stddev": 277.5653764, "variance": 77042.53818 }, { "average": 1488394.39, "count": 118794, "maximum": 1488999.939, "minimum": 1487999.999, "name": "Y", "position": 1, "stddev": 249.4605231, "variance": 62230.55258 }, { "average": 6.176670623, "count": 118794, "maximum": 70.345, "minimum": -34.635, "name": "Z", "position": 2, "stddev": 14.80042167, "variance": 219.0524815 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 118794, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 118794, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.28529219, "count": 118794, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.27801797, "variance": 1.633329931 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 118794, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 264999.9899, 1487999.999, -34.635, 265999.9699, 1488999.939, 70.345 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 264999.9899472153, 1487999.999277775, -34.635 ], [ 264999.9899472153, 1488999.939277775, -34.635 ], [ 265999.9699472153, 1488999.939277775, 70.345 ], [ 265999.9699472153, 1487999.999277775, 70.345 ], [ 264999.9899472153, 1487999.999277775, -34.635 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6588_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6588_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6588_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6588_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8293363, 13.45057909, -34.635, 144.8386494, 13.45969396, 70.345 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.82941772961811, 13.450579089381538, -34.635 ], [ 144.82933631945562, 13.459614412435343, -34.635 ], [ 144.83856836666627, 13.459693958757574, 70.345 ], [ 144.83864943129825, 13.450658580415425, 70.345 ], [ 144.82941772961811, 13.450579089381538, -34.635 ] ] ] }, "id": "20070218_6588_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6588_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 118794, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 265567.519, "count": 118794, "maximum": 265999.9699, "minimum": 264999.9899, "name": "X", "position": 0, "stddev": 277.5653764, "variance": 77042.53818 }, { "average": 1488394.39, "count": 118794, "maximum": 1488999.939, "minimum": 1487999.999, "name": "Y", "position": 1, "stddev": 249.4605231, "variance": 62230.55258 }, { "average": 6.176670623, "count": 118794, "maximum": 70.345, "minimum": -34.635, "name": "Z", "position": 2, "stddev": 14.80042167, "variance": 219.0524815 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 118794, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 118794, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.28529219, "count": 118794, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.27801797, "variance": 1.633329931 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 118794, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118794, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 264999.9899, 1487999.999, -34.635, 265999.9699, 1488999.939, 70.345 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 264999.9899472153, 1487999.999277775, -34.635 ], [ 264999.9899472153, 1488999.939277775, -34.635 ], [ 265999.9699472153, 1488999.939277775, 70.345 ], [ 265999.9699472153, 1487999.999277775, 70.345 ], [ 264999.9899472153, 1487999.999277775, -34.635 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_4485_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63582800807794, 13.421727448138348, -48.92 ], [ 144.63573953660375, 13.430761575420927, -48.92 ], [ 144.64496905656722, 13.430848042966389, 49.24 ], [ 144.64505718345092, 13.421813855470546, 49.24 ], [ 144.63582800807794, 13.421727448138348, -48.92 ] ] ] }, "bbox": [ 144.6357395, 13.42172745, -48.92, 144.6450572, 13.43084804, 49.24 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 107444, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244563.594, "count": 107444, "maximum": 244999.9595, "minimum": 243999.9995, "name": "X", "position": 0, "stddev": 234.2885837, "variance": 54891.14045 }, { "average": 1485441.075, "count": 107444, "maximum": 1485999.916, "minimum": 1484999.976, "name": "Y", "position": 1, "stddev": 264.3008845, "variance": 69854.95752 }, { "average": 13.34001229, "count": 107444, "maximum": 49.24, "minimum": -48.92, "name": "Z", "position": 2, "stddev": 23.41697688, "variance": 548.3548062 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 107444, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 107444, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.23964112, "count": 107444, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.304970065, "variance": 1.70294687 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 107444, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243999.9995, 1484999.976, -48.92, 244999.9595, 1485999.916, 49.24 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243999.9994823834, 1484999.9760090823, -48.92 ], [ 243999.9994823834, 1485999.9160090822, -48.92 ], [ 244999.95948238342, 1485999.9160090822, 49.24 ], [ 244999.95948238342, 1484999.9760090823, 49.24 ], [ 243999.9994823834, 1484999.9760090823, -48.92 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_4485_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_4485_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_4485_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4485_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6357395, 13.42172745, -48.92, 144.6450572, 13.43084804, 49.24 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63582800807794, 13.421727448138348, -48.92 ], [ 144.63573953660375, 13.430761575420927, -48.92 ], [ 144.64496905656722, 13.430848042966389, 49.24 ], [ 144.64505718345092, 13.421813855470546, 49.24 ], [ 144.63582800807794, 13.421727448138348, -48.92 ] ] ] }, "id": "20070218_4485_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4485_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 107444, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244563.594, "count": 107444, "maximum": 244999.9595, "minimum": 243999.9995, "name": "X", "position": 0, "stddev": 234.2885837, "variance": 54891.14045 }, { "average": 1485441.075, "count": 107444, "maximum": 1485999.916, "minimum": 1484999.976, "name": "Y", "position": 1, "stddev": 264.3008845, "variance": 69854.95752 }, { "average": 13.34001229, "count": 107444, "maximum": 49.24, "minimum": -48.92, "name": "Z", "position": 2, "stddev": 23.41697688, "variance": 548.3548062 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 107444, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 107444, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.23964112, "count": 107444, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.304970065, "variance": 1.70294687 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 107444, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107444, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243999.9995, 1484999.976, -48.92, 244999.9595, 1485999.916, 49.24 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243999.9994823834, 1484999.9760090823, -48.92 ], [ 243999.9994823834, 1485999.9160090822, -48.92 ], [ 244999.95948238342, 1485999.9160090822, 49.24 ], [ 244999.95948238342, 1484999.9760090823, 49.24 ], [ 243999.9994823834, 1484999.9760090823, -48.92 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5971_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.7753955424282, 13.30111494810278, -42.1 ], [ 144.7753552901178, 13.30552542676991, -42.1 ], [ 144.7771678310834, 13.305541290576537, -15.4 ], [ 144.77720805066474, 13.30113080646631, -15.4 ], [ 144.7753955424282, 13.30111494810278, -42.1 ] ] ] }, "bbox": [ 144.7753553, 13.30111495, -42.1, 144.7772081, 13.30554129, -15.4 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 5778, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 259069.3352, "count": 5778, "maximum": 259196.4631, "minimum": 259000.0031, "name": "X", "position": 0, "stddev": 48.64146863, "variance": 2365.992471 }, { "average": 1471847.996, "count": 5778, "maximum": 1471999.974, "minimum": 1471511.854, "name": "Y", "position": 1, "stddev": 102.2997637, "variance": 10465.24166 }, { "average": -22.67218242, "count": 5778, "maximum": -15.4, "minimum": -42.1, "name": "Z", "position": 2, "stddev": 4.644304602, "variance": 21.56956524 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5778, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5778, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 5778, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5778, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 259000.0031, 1471511.854, -42.1, 259196.4631, 1471999.974, -15.4 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 259000.0030671181, 1471511.8536997787, -42.1 ], [ 259000.0030671181, 1471999.9736997788, -42.1 ], [ 259196.4630671181, 1471999.9736997788, -15.4 ], [ 259196.4630671181, 1471511.8536997787, -15.4 ], [ 259000.0030671181, 1471511.8536997787, -42.1 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5971_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5971_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5971_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5971_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7753553, 13.30111495, -42.1, 144.7772081, 13.30554129, -15.4 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.7753955424282, 13.30111494810278, -42.1 ], [ 144.7753552901178, 13.30552542676991, -42.1 ], [ 144.7771678310834, 13.305541290576537, -15.4 ], [ 144.77720805066474, 13.30113080646631, -15.4 ], [ 144.7753955424282, 13.30111494810278, -42.1 ] ] ] }, "id": "20070218_5971_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5971_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 5778, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 259069.3352, "count": 5778, "maximum": 259196.4631, "minimum": 259000.0031, "name": "X", "position": 0, "stddev": 48.64146863, "variance": 2365.992471 }, { "average": 1471847.996, "count": 5778, "maximum": 1471999.974, "minimum": 1471511.854, "name": "Y", "position": 1, "stddev": 102.2997637, "variance": 10465.24166 }, { "average": -22.67218242, "count": 5778, "maximum": -15.4, "minimum": -42.1, "name": "Z", "position": 2, "stddev": 4.644304602, "variance": 21.56956524 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5778, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5778, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 5778, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 5778, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 5778, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 259000.0031, 1471511.854, -42.1, 259196.4631, 1471999.974, -15.4 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 259000.0030671181, 1471511.8536997787, -42.1 ], [ 259000.0030671181, 1471999.9736997788, -42.1 ], [ 259196.4630671181, 1471999.9736997788, -15.4 ], [ 259196.4630671181, 1471511.8536997787, -15.4 ], [ 259000.0030671181, 1471511.8536997787, -42.1 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_guam_55pbq4685_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6542870860422, 13.421900088504024, -1.407 ], [ 144.65419929853914, 13.430934878087102, -1.407 ], [ 144.66342931704563, 13.43102067417812, 27.793 ], [ 144.66351675985223, 13.421985824810584, 27.793 ], [ 144.6542870860422, 13.421900088504024, -1.407 ] ] ] }, "bbox": [ 144.6541993, 13.42190009, -1.407, 144.6635168, 13.43102067, 27.793 ], "properties": { "datetime": "2011-09-16T08:43:03Z", "pc:count": 2550742, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246460.8626, "count": 2550742, "maximum": 246999.9914, "minimum": 245999.9914, "name": "X", "position": 0, "stddev": 268.886265, "variance": 72299.82351 }, { "average": 1485488.671, "count": 2550742, "maximum": 1485999.993, "minimum": 1484999.993, "name": "Y", "position": 1, "stddev": 289.2453759, "variance": 83662.88748 }, { "average": 4.817903785, "count": 2550742, "maximum": 27.793, "minimum": -1.407, "name": "Z", "position": 2, "stddev": 3.207211179, "variance": 10.28620355 }, { "average": 26.39450795, "count": 2550742, "maximum": 152, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.516487938, "variance": 90.56354267 }, { "average": 1.499974909, "count": 2550742, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000974, "variance": 0.2500000974 }, { "average": 1.999855336, "count": 2550742, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01202675838, "variance": 0.0001446429171 }, { "average": 0.4934375958, "count": 2550742, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.499957031, "variance": 0.2499570328 }, { "average": 0, "count": 2550742, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.232405316, "count": 2550742, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4326552883, "variance": 0.1871905985 }, { "average": -0.4467671643, "count": 2550742, "maximum": 39, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.52492268, "variance": 651.5216781 }, { "average": 0, "count": 2550742, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 25, "count": 2550742, "maximum": 25, "minimum": 25, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 189895.3662, "count": 2550742, "maximum": 197783.1914, "minimum": 87362.16205, "name": "GpsTime", "position": 12, "stddev": 15045.23991, "variance": 226359243.8 }, { "average": 0, "count": 2550742, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2550742, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2550742, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2550742, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2550742, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 245999.9914, 1484999.993, -1.407, 246999.9914, 1485999.993, 27.793 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 245999.99142395688, 1484999.9933562805, -1.407 ], [ 245999.99142395688, 1485999.9933562805, -1.407 ], [ 246999.99142395688, 1485999.9933562805, 27.793 ], [ 246999.99142395688, 1484999.9933562805, 27.793 ], [ 245999.99142395688, 1484999.9933562805, -1.407 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T08:43:03+00:00", "end_time": "2011-09-15T02:02:42+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4685_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4685_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4685_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4685_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6541993, 13.42190009, -1.407, 144.6635168, 13.43102067, 27.793 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6542870860422, 13.421900088504024, -1.407 ], [ 144.65419929853914, 13.430934878087102, -1.407 ], [ 144.66342931704563, 13.43102067417812, 27.793 ], [ 144.66351675985223, 13.421985824810584, 27.793 ], [ 144.6542870860422, 13.421900088504024, -1.407 ] ] ] }, "id": "20070218_guam_55pbq4685_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4685_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-16T08:43:03Z", "pc:count": 2550742, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246460.8626, "count": 2550742, "maximum": 246999.9914, "minimum": 245999.9914, "name": "X", "position": 0, "stddev": 268.886265, "variance": 72299.82351 }, { "average": 1485488.671, "count": 2550742, "maximum": 1485999.993, "minimum": 1484999.993, "name": "Y", "position": 1, "stddev": 289.2453759, "variance": 83662.88748 }, { "average": 4.817903785, "count": 2550742, "maximum": 27.793, "minimum": -1.407, "name": "Z", "position": 2, "stddev": 3.207211179, "variance": 10.28620355 }, { "average": 26.39450795, "count": 2550742, "maximum": 152, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.516487938, "variance": 90.56354267 }, { "average": 1.499974909, "count": 2550742, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000974, "variance": 0.2500000974 }, { "average": 1.999855336, "count": 2550742, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01202675838, "variance": 0.0001446429171 }, { "average": 0.4934375958, "count": 2550742, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.499957031, "variance": 0.2499570328 }, { "average": 0, "count": 2550742, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.232405316, "count": 2550742, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4326552883, "variance": 0.1871905985 }, { "average": -0.4467671643, "count": 2550742, "maximum": 39, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.52492268, "variance": 651.5216781 }, { "average": 0, "count": 2550742, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 25, "count": 2550742, "maximum": 25, "minimum": 25, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 189895.3662, "count": 2550742, "maximum": 197783.1914, "minimum": 87362.16205, "name": "GpsTime", "position": 12, "stddev": 15045.23991, "variance": 226359243.8 }, { "average": 0, "count": 2550742, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2550742, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2550742, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2550742, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2550742, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 245999.9914, 1484999.993, -1.407, 246999.9914, 1485999.993, 27.793 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 245999.99142395688, 1484999.9933562805, -1.407 ], [ 245999.99142395688, 1485999.9933562805, -1.407 ], [ 246999.99142395688, 1485999.9933562805, 27.793 ], [ 246999.99142395688, 1484999.9933562805, 27.793 ], [ 245999.99142395688, 1484999.9933562805, -1.407 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T08:43:03+00:00", "end_time": "2011-09-15T02:02:42+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": "20070218_7395_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.90272287734876, 13.514459429502951, -16.89 ], [ 144.90269677819524, 13.517443381600996, -16.89 ], [ 144.9119313036918, 13.517520557142195, 174.89 ], [ 144.9119572881227, 13.514536587384717, 174.89 ], [ 144.90272287734876, 13.514459429502951, -16.89 ] ] ] }, "bbox": [ 144.9026968, 13.51445943, -16.89, 144.9119573, 13.51752056, 174.89 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 24663, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 273647.487, "count": 24663, "maximum": 273999.9685, "minimum": 273000.0085, "name": "X", "position": 0, "stddev": 276.286651, "variance": 76334.31351 }, { "average": 1495095.194, "count": 24663, "maximum": 1495330.208, "minimum": 1494999.988, "name": "Y", "position": 1, "stddev": 69.76192629, "variance": 4866.726359 }, { "average": 45.00334266, "count": 24663, "maximum": 174.89, "minimum": -16.89, "name": "Z", "position": 2, "stddev": 52.19867373, "variance": 2724.701539 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 24663, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 24663, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.97773993, "count": 24663, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.4219165, "variance": 2.021846534 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 24663, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 273000.0085, 1494999.988, -16.89, 273999.9685, 1495330.208, 174.89 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 273000.00849463296, 1494999.9877121777, -16.89 ], [ 273000.00849463296, 1495330.207712178, -16.89 ], [ 273999.9684946329, 1495330.207712178, 174.89 ], [ 273999.9684946329, 1494999.9877121777, 174.89 ], [ 273000.00849463296, 1494999.9877121777, -16.89 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7395_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7395_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7395_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7395_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9026968, 13.51445943, -16.89, 144.9119573, 13.51752056, 174.89 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.90272287734876, 13.514459429502951, -16.89 ], [ 144.90269677819524, 13.517443381600996, -16.89 ], [ 144.9119313036918, 13.517520557142195, 174.89 ], [ 144.9119572881227, 13.514536587384717, 174.89 ], [ 144.90272287734876, 13.514459429502951, -16.89 ] ] ] }, "id": "20070218_7395_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7395_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 24663, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 273647.487, "count": 24663, "maximum": 273999.9685, "minimum": 273000.0085, "name": "X", "position": 0, "stddev": 276.286651, "variance": 76334.31351 }, { "average": 1495095.194, "count": 24663, "maximum": 1495330.208, "minimum": 1494999.988, "name": "Y", "position": 1, "stddev": 69.76192629, "variance": 4866.726359 }, { "average": 45.00334266, "count": 24663, "maximum": 174.89, "minimum": -16.89, "name": "Z", "position": 2, "stddev": 52.19867373, "variance": 2724.701539 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 24663, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 24663, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.97773993, "count": 24663, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.4219165, "variance": 2.021846534 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 24663, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24663, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 273000.0085, 1494999.988, -16.89, 273999.9685, 1495330.208, 174.89 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 273000.00849463296, 1494999.9877121777, -16.89 ], [ 273000.00849463296, 1495330.207712178, -16.89 ], [ 273999.9684946329, 1495330.207712178, 174.89 ], [ 273999.9684946329, 1494999.9877121777, 174.89 ], [ 273000.00849463296, 1494999.9877121777, -16.89 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6589_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.83711765928652, 13.459682009407253, 12.38 ], [ 144.83710785874635, 13.460773185653025, 12.38 ], [ 144.83855806823004, 13.46078565968798, 46.6 ], [ 144.8385678622127, 13.459694482395316, 46.6 ], [ 144.83711765928652, 13.459682009407253, 12.38 ] ] ] }, "bbox": [ 144.8371079, 13.45968201, 12.38, 144.8385679, 13.46078566, 46.6 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 841, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 265946.2779, "count": 841, "maximum": 265999.9158, "minimum": 265842.8358, "name": "X", "position": 0, "stddev": 40.23344992, "variance": 1618.730492 }, { "average": 1489042.341, "count": 841, "maximum": 1489120.758, "minimum": 1488999.998, "name": "Y", "position": 1, "stddev": 31.28077418, "variance": 978.4868331 }, { "average": 34.2178478, "count": 841, "maximum": 46.6, "minimum": 12.38, "name": "Z", "position": 2, "stddev": 6.299075367, "variance": 39.67835048 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 841, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 841, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 841, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 841, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 265842.8358, 1488999.998, 12.38, 265999.9158, 1489120.758, 46.6 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 265842.8358201508, 1488999.9977039727, 12.38 ], [ 265842.8358201508, 1489120.7577039725, 12.38 ], [ 265999.91582015075, 1489120.7577039725, 46.6 ], [ 265999.91582015075, 1488999.9977039727, 46.6 ], [ 265842.8358201508, 1488999.9977039727, 12.38 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6589_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6589_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6589_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6589_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8371079, 13.45968201, 12.38, 144.8385679, 13.46078566, 46.6 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.83711765928652, 13.459682009407253, 12.38 ], [ 144.83710785874635, 13.460773185653025, 12.38 ], [ 144.83855806823004, 13.46078565968798, 46.6 ], [ 144.8385678622127, 13.459694482395316, 46.6 ], [ 144.83711765928652, 13.459682009407253, 12.38 ] ] ] }, "id": "20070218_6589_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6589_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 841, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 265946.2779, "count": 841, "maximum": 265999.9158, "minimum": 265842.8358, "name": "X", "position": 0, "stddev": 40.23344992, "variance": 1618.730492 }, { "average": 1489042.341, "count": 841, "maximum": 1489120.758, "minimum": 1488999.998, "name": "Y", "position": 1, "stddev": 31.28077418, "variance": 978.4868331 }, { "average": 34.2178478, "count": 841, "maximum": 46.6, "minimum": 12.38, "name": "Z", "position": 2, "stddev": 6.299075367, "variance": 39.67835048 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 841, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 841, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 841, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 841, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 841, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 265842.8358, 1488999.998, 12.38, 265999.9158, 1489120.758, 46.6 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 265842.8358201508, 1488999.9977039727, 12.38 ], [ 265842.8358201508, 1489120.7577039725, 12.38 ], [ 265999.91582015075, 1489120.7577039725, 46.6 ], [ 265999.91582015075, 1488999.9977039727, 46.6 ], [ 265842.8358201508, 1488999.9977039727, 12.38 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_4486_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63573955600853, 13.430762303877732, -22.785 ], [ 144.63568900311714, 13.435921458372285, -22.785 ], [ 144.64032452884575, 13.435964945309525, 45.035 ], [ 144.64037498284267, 13.430805773524023, 45.035 ], [ 144.63573955600853, 13.430762303877732, -22.785 ] ] ] }, "bbox": [ 144.635689, 13.4307623, -22.785, 144.640375, 13.43596495, 45.035 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 15285, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244145.0757, "count": 15285, "maximum": 244502.2224, "minimum": 244000.0024, "name": "X", "position": 0, "stddev": 112.7729363, "variance": 12717.73516 }, { "average": 1486174.391, "count": 15285, "maximum": 1486571.037, "minimum": 1485999.997, "name": "Y", "position": 1, "stddev": 128.8104397, "variance": 16592.12937 }, { "average": 17.96848904, "count": 15285, "maximum": 45.035, "minimum": -22.785, "name": "Z", "position": 2, "stddev": 15.3447983, "variance": 235.4628348 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 15285, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 15285, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.46712463, "count": 15285, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.146628084, "variance": 1.314755962 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 15285, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244000.0024, 1485999.997, -22.785, 244502.2224, 1486571.037, 45.035 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244000.00235769543, 1485999.9966105889, -22.785 ], [ 244000.00235769543, 1486571.036610589, -22.785 ], [ 244502.2223576954, 1486571.036610589, 45.035 ], [ 244502.2223576954, 1485999.9966105889, 45.035 ], [ 244000.00235769543, 1485999.9966105889, -22.785 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_4486_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_4486_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_4486_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4486_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.635689, 13.4307623, -22.785, 144.640375, 13.43596495, 45.035 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63573955600853, 13.430762303877732, -22.785 ], [ 144.63568900311714, 13.435921458372285, -22.785 ], [ 144.64032452884575, 13.435964945309525, 45.035 ], [ 144.64037498284267, 13.430805773524023, 45.035 ], [ 144.63573955600853, 13.430762303877732, -22.785 ] ] ] }, "id": "20070218_4486_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4486_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 15285, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244145.0757, "count": 15285, "maximum": 244502.2224, "minimum": 244000.0024, "name": "X", "position": 0, "stddev": 112.7729363, "variance": 12717.73516 }, { "average": 1486174.391, "count": 15285, "maximum": 1486571.037, "minimum": 1485999.997, "name": "Y", "position": 1, "stddev": 128.8104397, "variance": 16592.12937 }, { "average": 17.96848904, "count": 15285, "maximum": 45.035, "minimum": -22.785, "name": "Z", "position": 2, "stddev": 15.3447983, "variance": 235.4628348 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 15285, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 15285, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.46712463, "count": 15285, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.146628084, "variance": 1.314755962 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 15285, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15285, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244000.0024, 1485999.997, -22.785, 244502.2224, 1486571.037, 45.035 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244000.00235769543, 1485999.9966105889, -22.785 ], [ 244000.00235769543, 1486571.036610589, -22.785 ], [ 244502.2223576954, 1486571.036610589, 45.035 ], [ 244502.2223576954, 1485999.9966105889, 45.035 ], [ 244000.00235769543, 1485999.9966105889, -22.785 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5972_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.7753555222717, 13.305526758306616, -48.7395 ], [ 144.77530152343576, 13.311440946272052, -48.7395 ], [ 144.777204340896, 13.311457607121987, -14.8395 ], [ 144.77725829363968, 13.30554341149407, -14.8395 ], [ 144.7753555222717, 13.305526758306616, -48.7395 ] ] ] }, "bbox": [ 144.7753015, 13.30552676, -48.7395, 144.7772583, 13.31145761, -14.8395 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 6390, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 259097.503, "count": 6390, "maximum": 259206.2695, "minimum": 259000.0295, "name": "X", "position": 0, "stddev": 61.91761641, "variance": 3833.791222 }, { "average": 1472171.642, "count": 6390, "maximum": 1472654.661, "minimum": 1472000.121, "name": "Y", "position": 1, "stddev": 150.7549943, "variance": 22727.06831 }, { "average": -22.72435915, "count": 6390, "maximum": -14.8395, "minimum": -48.7395, "name": "Z", "position": 2, "stddev": 6.752743102, "variance": 45.5995394 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 6390, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 6390, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 6390, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 6390, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 259000.0295, 1472000.121, -48.7395, 259206.2695, 1472654.661, -14.8395 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 259000.02954542905, 1472000.1208279715, -48.7395 ], [ 259000.02954542905, 1472654.6608279715, -48.7395 ], [ 259206.26954542904, 1472654.6608279715, -14.8395 ], [ 259206.26954542904, 1472000.1208279715, -14.8395 ], [ 259000.02954542905, 1472000.1208279715, -48.7395 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5972_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5972_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5972_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5972_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7753015, 13.30552676, -48.7395, 144.7772583, 13.31145761, -14.8395 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.7753555222717, 13.305526758306616, -48.7395 ], [ 144.77530152343576, 13.311440946272052, -48.7395 ], [ 144.777204340896, 13.311457607121987, -14.8395 ], [ 144.77725829363968, 13.30554341149407, -14.8395 ], [ 144.7753555222717, 13.305526758306616, -48.7395 ] ] ] }, "id": "20070218_5972_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5972_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 6390, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 259097.503, "count": 6390, "maximum": 259206.2695, "minimum": 259000.0295, "name": "X", "position": 0, "stddev": 61.91761641, "variance": 3833.791222 }, { "average": 1472171.642, "count": 6390, "maximum": 1472654.661, "minimum": 1472000.121, "name": "Y", "position": 1, "stddev": 150.7549943, "variance": 22727.06831 }, { "average": -22.72435915, "count": 6390, "maximum": -14.8395, "minimum": -48.7395, "name": "Z", "position": 2, "stddev": 6.752743102, "variance": 45.5995394 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 6390, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 6390, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 6390, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 6390, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 6390, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 259000.0295, 1472000.121, -48.7395, 259206.2695, 1472654.661, -14.8395 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 259000.02954542905, 1472000.1208279715, -48.7395 ], [ 259000.02954542905, 1472654.6608279715, -48.7395 ], [ 259206.26954542904, 1472654.6608279715, -14.8395 ], [ 259206.26954542904, 1472000.1208279715, -14.8395 ], [ 259000.02954542905, 1472000.1208279715, -48.7395 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7803_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.94958069291266, 13.587144461318498, -50.175 ], [ 144.94950297192784, 13.596180930715814, -50.175 ], [ 144.95743692872182, 13.59624612199413, 181.245 ], [ 144.95751434944395, 13.58720960767298, 181.245 ], [ 144.94958069291266, 13.587144461318498, -50.175 ] ] ] }, "bbox": [ 144.949503, 13.58714446, -50.175, 144.9575143, 13.59624612, 181.245 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 82798, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 278626.6086, "count": 82798, "maximum": 278999.9293, "minimum": 278141.1093, "name": "X", "position": 0, "stddev": 187.4681508, "variance": 35144.30758 }, { "average": 1503494.885, "count": 82798, "maximum": 1503999.982, "minimum": 1502999.982, "name": "Y", "position": 1, "stddev": 283.2847669, "variance": 80250.25918 }, { "average": 26.75000701, "count": 82798, "maximum": 181.245, "minimum": -50.175, "name": "Z", "position": 2, "stddev": 63.07502679, "variance": 3978.459004 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 82798, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 82798, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.69138143, "count": 82798, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.487749938, "variance": 2.213399879 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 82798, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 278141.1093, 1502999.982, -50.175, 278999.9293, 1503999.982, 181.245 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 278141.10930731596, 1502999.9824724658, -50.175 ], [ 278141.10930731596, 1503999.9824724658, -50.175 ], [ 278999.9293073159, 1503999.9824724658, 181.245 ], [ 278999.9293073159, 1502999.9824724658, 181.245 ], [ 278141.10930731596, 1502999.9824724658, -50.175 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7803_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7803_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7803_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7803_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.949503, 13.58714446, -50.175, 144.9575143, 13.59624612, 181.245 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.94958069291266, 13.587144461318498, -50.175 ], [ 144.94950297192784, 13.596180930715814, -50.175 ], [ 144.95743692872182, 13.59624612199413, 181.245 ], [ 144.95751434944395, 13.58720960767298, 181.245 ], [ 144.94958069291266, 13.587144461318498, -50.175 ] ] ] }, "id": "20070218_7803_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7803_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 82798, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 278626.6086, "count": 82798, "maximum": 278999.9293, "minimum": 278141.1093, "name": "X", "position": 0, "stddev": 187.4681508, "variance": 35144.30758 }, { "average": 1503494.885, "count": 82798, "maximum": 1503999.982, "minimum": 1502999.982, "name": "Y", "position": 1, "stddev": 283.2847669, "variance": 80250.25918 }, { "average": 26.75000701, "count": 82798, "maximum": 181.245, "minimum": -50.175, "name": "Z", "position": 2, "stddev": 63.07502679, "variance": 3978.459004 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 82798, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 82798, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.69138143, "count": 82798, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.487749938, "variance": 2.213399879 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 82798, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 82798, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 278141.1093, 1502999.982, -50.175, 278999.9293, 1503999.982, 181.245 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 278141.10930731596, 1502999.9824724658, -50.175 ], [ 278141.10930731596, 1503999.9824724658, -50.175 ], [ 278999.9293073159, 1503999.9824724658, 181.245 ], [ 278999.9293073159, 1502999.9824724658, 181.245 ], [ 278141.10930731596, 1502999.9824724658, -50.175 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6687_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.83865920276355, 13.449707053716054, -49.77 ], [ 144.83865067285544, 13.450658175109055, -49.77 ], [ 144.84027198287393, 13.450672100687566, -33.81 ], [ 144.8402805063963, 13.449720978274826, -33.81 ], [ 144.83865920276355, 13.449707053716054, -49.77 ] ] ] }, "bbox": [ 144.8386507, 13.44970705, -49.77, 144.8402805, 13.4506721, -33.81 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 792, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 266051.3072, "count": 792, "maximum": 266175.724, "minimum": 266000.104, "name": "X", "position": 0, "stddev": 37.05902802, "variance": 1373.371558 }, { "average": 1487968.43, "count": 792, "maximum": 1487999.953, "minimum": 1487894.693, "name": "Y", "position": 1, "stddev": 25.24301487, "variance": 637.2097998 }, { "average": -46.36955808, "count": 792, "maximum": -33.81, "minimum": -49.77, "name": "Z", "position": 2, "stddev": 3.45047525, "variance": 11.90577945 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 792, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 792, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 792, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 792, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 266000.104, 1487894.693, -49.77, 266175.724, 1487999.953, -33.81 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 266000.1040284552, 1487894.693245718, -49.77 ], [ 266000.1040284552, 1487999.9532457178, -49.77 ], [ 266175.7240284552, 1487999.9532457178, -33.81 ], [ 266175.7240284552, 1487894.693245718, -33.81 ], [ 266000.1040284552, 1487894.693245718, -49.77 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6687_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6687_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6687_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6687_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8386507, 13.44970705, -49.77, 144.8402805, 13.4506721, -33.81 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.83865920276355, 13.449707053716054, -49.77 ], [ 144.83865067285544, 13.450658175109055, -49.77 ], [ 144.84027198287393, 13.450672100687566, -33.81 ], [ 144.8402805063963, 13.449720978274826, -33.81 ], [ 144.83865920276355, 13.449707053716054, -49.77 ] ] ] }, "id": "20070218_6687_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6687_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 792, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 266051.3072, "count": 792, "maximum": 266175.724, "minimum": 266000.104, "name": "X", "position": 0, "stddev": 37.05902802, "variance": 1373.371558 }, { "average": 1487968.43, "count": 792, "maximum": 1487999.953, "minimum": 1487894.693, "name": "Y", "position": 1, "stddev": 25.24301487, "variance": 637.2097998 }, { "average": -46.36955808, "count": 792, "maximum": -33.81, "minimum": -49.77, "name": "Z", "position": 2, "stddev": 3.45047525, "variance": 11.90577945 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 792, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 792, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 792, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 792, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 792, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 266000.104, 1487894.693, -49.77, 266175.724, 1487999.953, -33.81 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 266000.1040284552, 1487894.693245718, -49.77 ], [ 266000.1040284552, 1487999.9532457178, -49.77 ], [ 266175.7240284552, 1487999.9532457178, -33.81 ], [ 266175.7240284552, 1487894.693245718, -33.81 ], [ 266000.1040284552, 1487894.693245718, -49.77 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7494_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.9119889480862, 13.510916453342565, -51.3095 ], [ 144.91195743244015, 13.514536580230104, -51.3095 ], [ 144.9211915313981, 13.514613395144734, -14.0695 ], [ 144.92122290790323, 13.510993246928587, -14.0695 ], [ 144.9119889480862, 13.510916453342565, -51.3095 ] ] ] }, "bbox": [ 144.9119574, 13.51091645, -51.3095, 144.9212229, 13.5146134, -14.0695 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 45944, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 274409.6041, "count": 45944, "maximum": 274999.9041, "minimum": 273999.9841, "name": "X", "position": 0, "stddev": 278.9183673, "variance": 77795.4556 }, { "average": 1494863.339, "count": 45944, "maximum": 1494999.987, "minimum": 1494599.367, "name": "Y", "position": 1, "stddev": 88.04887994, "variance": 7752.60526 }, { "average": -35.28932326, "count": 45944, "maximum": -14.0695, "minimum": -51.3095, "name": "Z", "position": 2, "stddev": 8.647392797, "variance": 74.77740219 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 45944, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 45944, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 45944, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 45944, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 273999.9841, 1494599.367, -51.3095, 274999.9041, 1494999.987, -14.0695 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 273999.98411430605, 1494599.3667873326, -51.3095 ], [ 273999.98411430605, 1494999.9867873327, -51.3095 ], [ 274999.9041143061, 1494999.9867873327, -14.0695 ], [ 274999.9041143061, 1494599.3667873326, -14.0695 ], [ 273999.98411430605, 1494599.3667873326, -51.3095 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7494_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7494_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7494_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7494_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9119574, 13.51091645, -51.3095, 144.9212229, 13.5146134, -14.0695 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.9119889480862, 13.510916453342565, -51.3095 ], [ 144.91195743244015, 13.514536580230104, -51.3095 ], [ 144.9211915313981, 13.514613395144734, -14.0695 ], [ 144.92122290790323, 13.510993246928587, -14.0695 ], [ 144.9119889480862, 13.510916453342565, -51.3095 ] ] ] }, "id": "20070218_7494_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7494_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 45944, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 274409.6041, "count": 45944, "maximum": 274999.9041, "minimum": 273999.9841, "name": "X", "position": 0, "stddev": 278.9183673, "variance": 77795.4556 }, { "average": 1494863.339, "count": 45944, "maximum": 1494999.987, "minimum": 1494599.367, "name": "Y", "position": 1, "stddev": 88.04887994, "variance": 7752.60526 }, { "average": -35.28932326, "count": 45944, "maximum": -14.0695, "minimum": -51.3095, "name": "Z", "position": 2, "stddev": 8.647392797, "variance": 74.77740219 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 45944, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 45944, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 45944, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 45944, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 45944, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 273999.9841, 1494599.367, -51.3095, 274999.9041, 1494999.987, -14.0695 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 273999.98411430605, 1494599.3667873326, -51.3095 ], [ 273999.98411430605, 1494999.9867873327, -51.3095 ], [ 274999.9041143061, 1494999.9867873327, -14.0695 ], [ 274999.9041143061, 1494599.3667873326, -14.0695 ], [ 273999.98411430605, 1494599.3667873326, -51.3095 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_guam_55pbq4585_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6450573897989, 13.42181402300743, -0.0445 ], [ 144.64496925763189, 13.430848752588071, -0.0445 ], [ 144.65419939620438, 13.430934887863923, 495.3555 ], [ 144.6542871837038, 13.421900098280222, 495.3555 ], [ 144.6450573897989, 13.42181402300743, -0.0445 ] ] ] }, "bbox": [ 144.6449693, 13.42181402, -0.0445, 144.6542872, 13.43093489, 495.3555 ], "properties": { "datetime": "2011-09-16T07:30:53Z", "pc:count": 2925088, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 245486.4411, "count": 2925088, "maximum": 246000.002, "minimum": 244999.982, "name": "X", "position": 0, "stddev": 285.706548, "variance": 81628.23155 }, { "average": 1485504.057, "count": 2925088, "maximum": 1485999.994, "minimum": 1484999.994, "name": "Y", "position": 1, "stddev": 289.2771991, "variance": 83681.2979 }, { "average": 10.3420876, "count": 2925088, "maximum": 495.3555, "minimum": -0.0445, "name": "Z", "position": 2, "stddev": 6.292882196, "variance": 39.60036633 }, { "average": 30.32317421, "count": 2925088, "maximum": 169, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.16515988, "variance": 103.3304754 }, { "average": 1.499947694, "count": 2925088, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000827, "variance": 0.2500000827 }, { "average": 1.999703257, "count": 2925088, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01722368294, "variance": 0.000296655254 }, { "average": 0.5028135906, "count": 2925088, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999921691, "variance": 0.2499921692 }, { "average": 0, "count": 2925088, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.254806009, "count": 2925088, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4479041348, "variance": 0.200618114 }, { "average": 0.1126094834, "count": 2925088, "maximum": 37.9980011, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.32305696, "variance": 641.2572139 }, { "average": 0, "count": 2925088, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 22.66425352, "count": 2925088, "maximum": 25, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 3.637343089, "variance": 13.23026474 }, { "average": 184739.0616, "count": 2925088, "maximum": 193453.0252, "minimum": 172962.4307, "name": "GpsTime", "position": 12, "stddev": 5500.54589, "variance": 30256005.08 }, { "average": 0, "count": 2925088, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2925088, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2925088, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2925088, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2925088, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244999.982, 1484999.994, -0.0445, 246000.002, 1485999.994, 495.3555 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244999.9820145885, 1484999.994337643, -0.0445 ], [ 244999.9820145885, 1485999.994337643, -0.0445 ], [ 246000.0020145885, 1485999.994337643, 495.3555 ], [ 246000.0020145885, 1484999.994337643, 495.3555 ], [ 244999.9820145885, 1484999.994337643, -0.0445 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T07:30:53+00:00", "end_time": "2011-09-16T01:49:22+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4585_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4585_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4585_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4585_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6449693, 13.42181402, -0.0445, 144.6542872, 13.43093489, 495.3555 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6450573897989, 13.42181402300743, -0.0445 ], [ 144.64496925763189, 13.430848752588071, -0.0445 ], [ 144.65419939620438, 13.430934887863923, 495.3555 ], [ 144.6542871837038, 13.421900098280222, 495.3555 ], [ 144.6450573897989, 13.42181402300743, -0.0445 ] ] ] }, "id": "20070218_guam_55pbq4585_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4585_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-16T07:30:53Z", "pc:count": 2925088, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 245486.4411, "count": 2925088, "maximum": 246000.002, "minimum": 244999.982, "name": "X", "position": 0, "stddev": 285.706548, "variance": 81628.23155 }, { "average": 1485504.057, "count": 2925088, "maximum": 1485999.994, "minimum": 1484999.994, "name": "Y", "position": 1, "stddev": 289.2771991, "variance": 83681.2979 }, { "average": 10.3420876, "count": 2925088, "maximum": 495.3555, "minimum": -0.0445, "name": "Z", "position": 2, "stddev": 6.292882196, "variance": 39.60036633 }, { "average": 30.32317421, "count": 2925088, "maximum": 169, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.16515988, "variance": 103.3304754 }, { "average": 1.499947694, "count": 2925088, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000827, "variance": 0.2500000827 }, { "average": 1.999703257, "count": 2925088, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01722368294, "variance": 0.000296655254 }, { "average": 0.5028135906, "count": 2925088, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999921691, "variance": 0.2499921692 }, { "average": 0, "count": 2925088, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.254806009, "count": 2925088, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4479041348, "variance": 0.200618114 }, { "average": 0.1126094834, "count": 2925088, "maximum": 37.9980011, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.32305696, "variance": 641.2572139 }, { "average": 0, "count": 2925088, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 22.66425352, "count": 2925088, "maximum": 25, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 3.637343089, "variance": 13.23026474 }, { "average": 184739.0616, "count": 2925088, "maximum": 193453.0252, "minimum": 172962.4307, "name": "GpsTime", "position": 12, "stddev": 5500.54589, "variance": 30256005.08 }, { "average": 0, "count": 2925088, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2925088, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2925088, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2925088, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2925088, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244999.982, 1484999.994, -0.0445, 246000.002, 1485999.994, 495.3555 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244999.9820145885, 1484999.994337643, -0.0445 ], [ 244999.9820145885, 1485999.994337643, -0.0445 ], [ 246000.0020145885, 1485999.994337643, 495.3555 ], [ 246000.0020145885, 1484999.994337643, 495.3555 ], [ 244999.9820145885, 1484999.994337643, -0.0445 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T07:30:53+00:00", "end_time": "2011-09-16T01:49:22+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": "20070218_5975_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.77504255532108, 13.340053241114875, -49.38 ], [ 144.77502777362105, 13.341667905551759, -49.38 ], [ 144.77761143866152, 13.341690574700662, -19.3 ], [ 144.7776262032304, 13.340075907422593, -19.3 ], [ 144.77504255532108, 13.340053241114875, -49.38 ] ] ] }, "bbox": [ 144.7750278, 13.34005324, -49.38, 144.7776262, 13.34169057, -19.3 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 3763, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 259117.1183, "count": 3763, "maximum": 259280.3161, "minimum": 259000.3161, "name": "X", "position": 0, "stddev": 58.25056486, "variance": 3393.128307 }, { "average": 1475928.712, "count": 3763, "maximum": 1475999.967, "minimum": 1475821.267, "name": "Y", "position": 1, "stddev": 45.92259625, "variance": 2108.884846 }, { "average": -30.85825937, "count": 3763, "maximum": -19.3, "minimum": -49.38, "name": "Z", "position": 2, "stddev": 7.654455064, "variance": 58.59068232 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 3763, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 3763, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 3763, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 3763, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 259000.3161, 1475821.267, -49.38, 259280.3161, 1475999.967, -19.3 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 259000.31605363323, 1475821.2669900635, -49.38 ], [ 259000.31605363323, 1475999.9669900637, -49.38 ], [ 259280.31605363323, 1475999.9669900637, -19.3 ], [ 259280.31605363323, 1475821.2669900635, -19.3 ], [ 259000.31605363323, 1475821.2669900635, -49.38 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5975_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5975_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5975_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5975_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7750278, 13.34005324, -49.38, 144.7776262, 13.34169057, -19.3 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.77504255532108, 13.340053241114875, -49.38 ], [ 144.77502777362105, 13.341667905551759, -49.38 ], [ 144.77761143866152, 13.341690574700662, -19.3 ], [ 144.7776262032304, 13.340075907422593, -19.3 ], [ 144.77504255532108, 13.340053241114875, -49.38 ] ] ] }, "id": "20070218_5975_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5975_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 3763, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 259117.1183, "count": 3763, "maximum": 259280.3161, "minimum": 259000.3161, "name": "X", "position": 0, "stddev": 58.25056486, "variance": 3393.128307 }, { "average": 1475928.712, "count": 3763, "maximum": 1475999.967, "minimum": 1475821.267, "name": "Y", "position": 1, "stddev": 45.92259625, "variance": 2108.884846 }, { "average": -30.85825937, "count": 3763, "maximum": -19.3, "minimum": -49.38, "name": "Z", "position": 2, "stddev": 7.654455064, "variance": 58.59068232 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 3763, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 3763, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 3763, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 3763, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3763, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 259000.3161, 1475821.267, -49.38, 259280.3161, 1475999.967, -19.3 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 259000.31605363323, 1475821.2669900635, -49.38 ], [ 259000.31605363323, 1475999.9669900637, -49.38 ], [ 259280.31605363323, 1475999.9669900637, -19.3 ], [ 259280.31605363323, 1475821.2669900635, -19.3 ], [ 259000.31605363323, 1475821.2669900635, -49.38 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_4583_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.64535182311636, 13.408643330715032, -47.87 ], [ 144.64531151994328, 13.412780520168322, -47.87 ], [ 144.65437447405034, 13.412864980787736, -1.55 ], [ 144.65441462243615, 13.408727764359233, -1.55 ], [ 144.64535182311636, 13.408643330715032, -47.87 ] ] ] }, "bbox": [ 144.6453115, 13.40864333, -47.87, 144.6544146, 13.41286498, -1.55 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 40565, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 245582.5896, "count": 40565, "maximum": 245999.9548, "minimum": 245017.9748, "name": "X", "position": 0, "stddev": 251.0003697, "variance": 63001.1856 }, { "average": 1483832.082, "count": 40565, "maximum": 1483999.959, "minimum": 1483542.039, "name": "Y", "position": 1, "stddev": 109.5416093, "variance": 11999.36416 }, { "average": -16.97484506, "count": 40565, "maximum": -1.55, "minimum": -47.87, "name": "Z", "position": 2, "stddev": 10.41546211, "variance": 108.481851 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 40565, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 40565, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 40565, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 40565, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 245017.9748, 1483542.039, -47.87, 245999.9548, 1483999.959, -1.55 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 245017.9748405622, 1483542.0392764919, -47.87 ], [ 245017.9748405622, 1483999.9592764918, -47.87 ], [ 245999.9548405622, 1483999.9592764918, -1.55 ], [ 245999.9548405622, 1483542.0392764919, -1.55 ], [ 245017.9748405622, 1483542.0392764919, -47.87 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_4583_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_4583_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_4583_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4583_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6453115, 13.40864333, -47.87, 144.6544146, 13.41286498, -1.55 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.64535182311636, 13.408643330715032, -47.87 ], [ 144.64531151994328, 13.412780520168322, -47.87 ], [ 144.65437447405034, 13.412864980787736, -1.55 ], [ 144.65441462243615, 13.408727764359233, -1.55 ], [ 144.64535182311636, 13.408643330715032, -47.87 ] ] ] }, "id": "20070218_4583_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4583_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 40565, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 245582.5896, "count": 40565, "maximum": 245999.9548, "minimum": 245017.9748, "name": "X", "position": 0, "stddev": 251.0003697, "variance": 63001.1856 }, { "average": 1483832.082, "count": 40565, "maximum": 1483999.959, "minimum": 1483542.039, "name": "Y", "position": 1, "stddev": 109.5416093, "variance": 11999.36416 }, { "average": -16.97484506, "count": 40565, "maximum": -1.55, "minimum": -47.87, "name": "Z", "position": 2, "stddev": 10.41546211, "variance": 108.481851 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 40565, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 40565, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 40565, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 40565, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 40565, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 245017.9748, 1483542.039, -47.87, 245999.9548, 1483999.959, -1.55 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 245017.9748405622, 1483542.0392764919, -47.87 ], [ 245017.9748405622, 1483999.9592764918, -47.87 ], [ 245999.9548405622, 1483999.9592764918, -1.55 ], [ 245999.9548405622, 1483542.0392764919, -1.55 ], [ 245017.9748405622, 1483542.0392764919, -47.87 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7804_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.95346093788575, 13.596213477786115, -50.885 ], [ 144.9534004987315, 13.603249646970697, -50.885 ], [ 144.95737711494593, 13.603282306762203, 123.575 ], [ 144.9574374368446, 13.596246120062613, 123.575 ], [ 144.95346093788575, 13.596213477786115, -50.885 ] ] ] }, "bbox": [ 144.9534005, 13.59621348, -50.885, 144.9574374, 13.60328231, 123.575 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 29131, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 278834.1722, "count": 29131, "maximum": 278999.9843, "minimum": 278569.5443, "name": "X", "position": 0, "stddev": 95.19687592, "variance": 9062.445186 }, { "average": 1504248.968, "count": 29131, "maximum": 1504778.622, "minimum": 1503999.982, "name": "Y", "position": 1, "stddev": 177.403104, "variance": 31471.86132 }, { "average": 6.196970066, "count": 29131, "maximum": 123.575, "minimum": -50.885, "name": "Z", "position": 2, "stddev": 22.76635937, "variance": 518.3071188 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 29131, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 29131, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.89787512, "count": 29131, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.446294298, "variance": 2.091767198 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 29131, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 278569.5443, 1503999.982, -50.885, 278999.9843, 1504778.622, 123.575 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 278569.5443038307, 1503999.9817976356, -50.885 ], [ 278569.5443038307, 1504778.6217976357, -50.885 ], [ 278999.98430383066, 1504778.6217976357, 123.575 ], [ 278999.98430383066, 1503999.9817976356, 123.575 ], [ 278569.5443038307, 1503999.9817976356, -50.885 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7804_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7804_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7804_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7804_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9534005, 13.59621348, -50.885, 144.9574374, 13.60328231, 123.575 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.95346093788575, 13.596213477786115, -50.885 ], [ 144.9534004987315, 13.603249646970697, -50.885 ], [ 144.95737711494593, 13.603282306762203, 123.575 ], [ 144.9574374368446, 13.596246120062613, 123.575 ], [ 144.95346093788575, 13.596213477786115, -50.885 ] ] ] }, "id": "20070218_7804_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7804_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 29131, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 278834.1722, "count": 29131, "maximum": 278999.9843, "minimum": 278569.5443, "name": "X", "position": 0, "stddev": 95.19687592, "variance": 9062.445186 }, { "average": 1504248.968, "count": 29131, "maximum": 1504778.622, "minimum": 1503999.982, "name": "Y", "position": 1, "stddev": 177.403104, "variance": 31471.86132 }, { "average": 6.196970066, "count": 29131, "maximum": 123.575, "minimum": -50.885, "name": "Z", "position": 2, "stddev": 22.76635937, "variance": 518.3071188 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 29131, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 29131, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.89787512, "count": 29131, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.446294298, "variance": 2.091767198 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 29131, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 29131, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 278569.5443, 1503999.982, -50.885, 278999.9843, 1504778.622, 123.575 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 278569.5443038307, 1503999.9817976356, -50.885 ], [ 278569.5443038307, 1504778.6217976357, -50.885 ], [ 278999.98430383066, 1504778.6217976357, 123.575 ], [ 278999.98430383066, 1503999.9817976356, 123.575 ], [ 278569.5443038307, 1503999.9817976356, -50.885 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5976_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.77502474574453, 13.341667941595167, -50.775 ], [ 144.77494199184304, 13.35070355280069, -50.775 ], [ 144.7782001149645, 13.35073215421924, -3.295 ], [ 144.77828274814223, 13.341696523104954, -3.295 ], [ 144.77502474574453, 13.341667941595167, -50.775 ] ] ] }, "bbox": [ 144.774942, 13.34166794, -50.775, 144.7782827, 13.35073215, -3.295 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 41849, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 259130.3761, "count": 41849, "maximum": 259353.068, "minimum": 258999.988, "name": "X", "position": 0, "stddev": 72.10785009, "variance": 5199.542045 }, { "average": 1476524.538, "count": 41849, "maximum": 1476999.974, "minimum": 1475999.974, "name": "Y", "position": 1, "stddev": 292.0006042, "variance": 85264.35283 }, { "average": -19.91253805, "count": 41849, "maximum": -3.295, "minimum": -50.775, "name": "Z", "position": 2, "stddev": 8.547084753, "variance": 73.05265778 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 41849, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 41849, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 41849, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 41849, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258999.988, 1475999.974, -50.775, 259353.068, 1476999.974, -3.295 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258999.9879748459, 1475999.9739204715, -50.775 ], [ 258999.9879748459, 1476999.9739204715, -50.775 ], [ 259353.0679748459, 1476999.9739204715, -3.295 ], [ 259353.0679748459, 1475999.9739204715, -3.295 ], [ 258999.9879748459, 1475999.9739204715, -50.775 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5976_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5976_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5976_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5976_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.774942, 13.34166794, -50.775, 144.7782827, 13.35073215, -3.295 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.77502474574453, 13.341667941595167, -50.775 ], [ 144.77494199184304, 13.35070355280069, -50.775 ], [ 144.7782001149645, 13.35073215421924, -3.295 ], [ 144.77828274814223, 13.341696523104954, -3.295 ], [ 144.77502474574453, 13.341667941595167, -50.775 ] ] ] }, "id": "20070218_5976_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5976_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 41849, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 259130.3761, "count": 41849, "maximum": 259353.068, "minimum": 258999.988, "name": "X", "position": 0, "stddev": 72.10785009, "variance": 5199.542045 }, { "average": 1476524.538, "count": 41849, "maximum": 1476999.974, "minimum": 1475999.974, "name": "Y", "position": 1, "stddev": 292.0006042, "variance": 85264.35283 }, { "average": -19.91253805, "count": 41849, "maximum": -3.295, "minimum": -50.775, "name": "Z", "position": 2, "stddev": 8.547084753, "variance": 73.05265778 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 41849, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 41849, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 41849, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 41849, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41849, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258999.988, 1475999.974, -50.775, 259353.068, 1476999.974, -3.295 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258999.9879748459, 1475999.9739204715, -50.775 ], [ 258999.9879748459, 1476999.9739204715, -50.775 ], [ 259353.0679748459, 1476999.9739204715, -3.295 ], [ 259353.0679748459, 1475999.9739204715, -3.295 ], [ 258999.9879748459, 1475999.9739204715, -50.775 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6688_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.83864975915657, 13.450659436067506, -50.495 ], [ 144.8385686993975, 13.459694272255987, -50.495 ], [ 144.84780043680098, 13.459773477031254, 25.785 ], [ 144.8478811510458, 13.450738585789606, 25.785 ], [ 144.83864975915657, 13.450659436067506, -50.495 ] ] ] }, "bbox": [ 144.8385687, 13.45065944, -50.495, 144.8478812, 13.45977348, 25.785 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 114787, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 266423.6342, "count": 114787, "maximum": 266999.9463, "minimum": 266000.0063, "name": "X", "position": 0, "stddev": 271.8444817, "variance": 73899.42221 }, { "average": 1488603.958, "count": 114787, "maximum": 1488999.974, "minimum": 1488000.094, "name": "Y", "position": 1, "stddev": 254.2944524, "variance": 64665.66851 }, { "average": -22.4244394, "count": 114787, "maximum": 25.785, "minimum": -50.495, "name": "Z", "position": 2, "stddev": 13.08486762, "variance": 171.2137607 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 114787, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 114787, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.12354186, "count": 114787, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.5961259071, "variance": 0.3553660971 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 114787, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 266000.0063, 1488000.094, -50.495, 266999.9463, 1488999.974, 25.785 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 266000.00628923747, 1488000.0936532156, -50.495 ], [ 266000.00628923747, 1488999.9736532154, -50.495 ], [ 266999.9462892374, 1488999.9736532154, 25.785 ], [ 266999.9462892374, 1488000.0936532156, 25.785 ], [ 266000.00628923747, 1488000.0936532156, -50.495 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6688_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6688_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6688_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6688_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8385687, 13.45065944, -50.495, 144.8478812, 13.45977348, 25.785 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.83864975915657, 13.450659436067506, -50.495 ], [ 144.8385686993975, 13.459694272255987, -50.495 ], [ 144.84780043680098, 13.459773477031254, 25.785 ], [ 144.8478811510458, 13.450738585789606, 25.785 ], [ 144.83864975915657, 13.450659436067506, -50.495 ] ] ] }, "id": "20070218_6688_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6688_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 114787, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 266423.6342, "count": 114787, "maximum": 266999.9463, "minimum": 266000.0063, "name": "X", "position": 0, "stddev": 271.8444817, "variance": 73899.42221 }, { "average": 1488603.958, "count": 114787, "maximum": 1488999.974, "minimum": 1488000.094, "name": "Y", "position": 1, "stddev": 254.2944524, "variance": 64665.66851 }, { "average": -22.4244394, "count": 114787, "maximum": 25.785, "minimum": -50.495, "name": "Z", "position": 2, "stddev": 13.08486762, "variance": 171.2137607 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 114787, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 114787, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.12354186, "count": 114787, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.5961259071, "variance": 0.3553660971 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 114787, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114787, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 266000.0063, 1488000.094, -50.495, 266999.9463, 1488999.974, 25.785 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 266000.00628923747, 1488000.0936532156, -50.495 ], [ 266000.00628923747, 1488999.9736532154, -50.495 ], [ 266999.9462892374, 1488999.9736532154, 25.785 ], [ 266999.9462892374, 1488000.0936532156, 25.785 ], [ 266000.00628923747, 1488000.0936532156, -50.495 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7495_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.91195752498058, 13.514536465615395, -34.74 ], [ 144.9118788300502, 13.523571325869822, -34.74 ], [ 144.921113830559, 13.523648198616941, 172.3 ], [ 144.9211921780267, 13.514613285125042, 172.3 ], [ 144.91195752498058, 13.514536465615395, -34.74 ] ] ] }, "bbox": [ 144.9118788, 13.51453647, -34.74, 144.9211922, 13.5236482, 172.3 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 133580, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 274567.0202, "count": 133580, "maximum": 274999.974, "minimum": 273999.994, "name": "X", "position": 0, "stddev": 275.5425858, "variance": 75923.7166 }, { "average": 1495372.67, "count": 133580, "maximum": 1495999.814, "minimum": 1494999.974, "name": "Y", "position": 1, "stddev": 249.0869652, "variance": 62044.31623 }, { "average": 16.22655809, "count": 133580, "maximum": 172.3, "minimum": -34.74, "name": "Z", "position": 2, "stddev": 33.36128752, "variance": 1112.975505 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 133580, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 133580, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.75294954, "count": 133580, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.47852389, "variance": 2.186032893 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 133580, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 273999.994, 1494999.974, -34.74, 274999.974, 1495999.814, 172.3 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 273999.99402634904, 1494999.9740190841, -34.74 ], [ 273999.99402634904, 1495999.814019084, -34.74 ], [ 274999.974026349, 1495999.814019084, 172.3 ], [ 274999.974026349, 1494999.9740190841, 172.3 ], [ 273999.99402634904, 1494999.9740190841, -34.74 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7495_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7495_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7495_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7495_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9118788, 13.51453647, -34.74, 144.9211922, 13.5236482, 172.3 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.91195752498058, 13.514536465615395, -34.74 ], [ 144.9118788300502, 13.523571325869822, -34.74 ], [ 144.921113830559, 13.523648198616941, 172.3 ], [ 144.9211921780267, 13.514613285125042, 172.3 ], [ 144.91195752498058, 13.514536465615395, -34.74 ] ] ] }, "id": "20070218_7495_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7495_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 133580, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 274567.0202, "count": 133580, "maximum": 274999.974, "minimum": 273999.994, "name": "X", "position": 0, "stddev": 275.5425858, "variance": 75923.7166 }, { "average": 1495372.67, "count": 133580, "maximum": 1495999.814, "minimum": 1494999.974, "name": "Y", "position": 1, "stddev": 249.0869652, "variance": 62044.31623 }, { "average": 16.22655809, "count": 133580, "maximum": 172.3, "minimum": -34.74, "name": "Z", "position": 2, "stddev": 33.36128752, "variance": 1112.975505 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 133580, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 133580, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.75294954, "count": 133580, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.47852389, "variance": 2.186032893 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 133580, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 133580, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 273999.994, 1494999.974, -34.74, 274999.974, 1495999.814, 172.3 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 273999.99402634904, 1494999.9740190841, -34.74 ], [ 273999.99402634904, 1495999.814019084, -34.74 ], [ 274999.974026349, 1495999.814019084, 172.3 ], [ 274999.974026349, 1494999.9740190841, 172.3 ], [ 273999.99402634904, 1494999.9740190841, -34.74 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_4584_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.64514559754173, 13.412779212710705, -42.81 ], [ 144.64505753047558, 13.42181394938666, -42.81 ], [ 144.65405233772427, 13.421897837405233, 33.35 ], [ 144.65414006914256, 13.412863042256596, 33.35 ], [ 144.64514559754173, 13.412779212710705, -42.81 ] ] ] }, "bbox": [ 144.6450575, 13.41277921, -42.81, 144.6541401, 13.42189784, 33.35 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 71693, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 245313.1573, "count": 71693, "maximum": 245974.5572, "minimum": 244999.9972, "name": "X", "position": 0, "stddev": 223.8831519, "variance": 50123.66571 }, { "average": 1484400.95, "count": 71693, "maximum": 1484999.986, "minimum": 1483999.986, "name": "Y", "position": 1, "stddev": 268.8408813, "variance": 72275.41944 }, { "average": 3.065150154, "count": 71693, "maximum": 33.35, "minimum": -42.81, "name": "Z", "position": 2, "stddev": 11.01855689, "variance": 121.408596 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 71693, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 71693, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.53571478, "count": 71693, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.499585216, "variance": 2.248755821 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 71693, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244999.9972, 1483999.986, -42.81, 245974.5572, 1484999.986, 33.35 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244999.99717736852, 1483999.986044267, -42.81 ], [ 244999.99717736852, 1484999.986044267, -42.81 ], [ 245974.55717736852, 1484999.986044267, 33.35 ], [ 245974.55717736852, 1483999.986044267, 33.35 ], [ 244999.99717736852, 1483999.986044267, -42.81 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_4584_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_4584_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_4584_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4584_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6450575, 13.41277921, -42.81, 144.6541401, 13.42189784, 33.35 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.64514559754173, 13.412779212710705, -42.81 ], [ 144.64505753047558, 13.42181394938666, -42.81 ], [ 144.65405233772427, 13.421897837405233, 33.35 ], [ 144.65414006914256, 13.412863042256596, 33.35 ], [ 144.64514559754173, 13.412779212710705, -42.81 ] ] ] }, "id": "20070218_4584_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4584_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 71693, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 245313.1573, "count": 71693, "maximum": 245974.5572, "minimum": 244999.9972, "name": "X", "position": 0, "stddev": 223.8831519, "variance": 50123.66571 }, { "average": 1484400.95, "count": 71693, "maximum": 1484999.986, "minimum": 1483999.986, "name": "Y", "position": 1, "stddev": 268.8408813, "variance": 72275.41944 }, { "average": 3.065150154, "count": 71693, "maximum": 33.35, "minimum": -42.81, "name": "Z", "position": 2, "stddev": 11.01855689, "variance": 121.408596 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 71693, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 71693, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.53571478, "count": 71693, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.499585216, "variance": 2.248755821 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 71693, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 71693, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244999.9972, 1483999.986, -42.81, 245974.5572, 1484999.986, 33.35 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244999.99717736852, 1483999.986044267, -42.81 ], [ 244999.99717736852, 1484999.986044267, -42.81 ], [ 245974.55717736852, 1484999.986044267, 33.35 ], [ 245974.55717736852, 1483999.986044267, 33.35 ], [ 244999.99717736852, 1483999.986044267, -42.81 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7903_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.957475445564, 13.591888001212517, -50.88 ], [ 144.95743810163003, 13.596245949744665, -50.88 ], [ 144.96082668857827, 13.596273715873652, -15.06 ], [ 144.96086397065386, 13.591915758114004, -15.06 ], [ 144.957475445564, 13.591888001212517, -50.88 ] ] ] }, "bbox": [ 144.9574381, 13.591888, -50.88, 144.960864, 13.59627372, -15.06 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 9279, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 279107.8905, "count": 9279, "maximum": 279366.8561, "minimum": 279000.0561, "name": "X", "position": 0, "stddev": 85.23921063, "variance": 7265.723029 }, { "average": 1503847.296, "count": 9279, "maximum": 1503999.962, "minimum": 1503517.702, "name": "Y", "position": 1, "stddev": 113.9632213, "variance": 12987.6158 }, { "average": -29.39805906, "count": 9279, "maximum": -15.06, "minimum": -50.88, "name": "Z", "position": 2, "stddev": 9.02288539, "variance": 81.41246076 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 9279, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 9279, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 9279, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 9279, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 279000.0561, 1503517.702, -50.88, 279366.8561, 1503999.962, -15.06 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 279000.0561010281, 1503517.7023479412, -50.88 ], [ 279000.0561010281, 1503999.962347941, -50.88 ], [ 279366.85610102816, 1503999.962347941, -15.06 ], [ 279366.85610102816, 1503517.7023479412, -15.06 ], [ 279000.0561010281, 1503517.7023479412, -50.88 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7903_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7903_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7903_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7903_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9574381, 13.591888, -50.88, 144.960864, 13.59627372, -15.06 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.957475445564, 13.591888001212517, -50.88 ], [ 144.95743810163003, 13.596245949744665, -50.88 ], [ 144.96082668857827, 13.596273715873652, -15.06 ], [ 144.96086397065386, 13.591915758114004, -15.06 ], [ 144.957475445564, 13.591888001212517, -50.88 ] ] ] }, "id": "20070218_7903_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7903_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 9279, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 279107.8905, "count": 9279, "maximum": 279366.8561, "minimum": 279000.0561, "name": "X", "position": 0, "stddev": 85.23921063, "variance": 7265.723029 }, { "average": 1503847.296, "count": 9279, "maximum": 1503999.962, "minimum": 1503517.702, "name": "Y", "position": 1, "stddev": 113.9632213, "variance": 12987.6158 }, { "average": -29.39805906, "count": 9279, "maximum": -15.06, "minimum": -50.88, "name": "Z", "position": 2, "stddev": 9.02288539, "variance": 81.41246076 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 9279, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 9279, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 9279, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 9279, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 9279, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 279000.0561, 1503517.702, -50.88, 279366.8561, 1503999.962, -15.06 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 279000.0561010281, 1503517.7023479412, -50.88 ], [ 279000.0561010281, 1503999.962347941, -50.88 ], [ 279366.85610102816, 1503999.962347941, -15.06 ], [ 279366.85610102816, 1503517.7023479412, -15.06 ], [ 279000.0561010281, 1503517.7023479412, -50.88 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5977_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.7749422269803, 13.350703725696013, -49.3095 ], [ 144.77485941498315, 13.359738968329452, -49.3095 ], [ 144.7798730244102, 13.35978299220436, -1.2295 ], [ 144.7799556501391, 13.350747718711451, -1.2295 ], [ 144.7749422269803, 13.350703725696013, -49.3095 ] ] ] }, "bbox": [ 144.7748594, 13.35070373, -49.3095, 144.7799557, 13.35978299, -1.2295 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 50901, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 259177.4994, "count": 50901, "maximum": 259543.3136, "minimum": 259000.0136, "name": "X", "position": 0, "stddev": 105.1071647, "variance": 11047.51607 }, { "average": 1477529.262, "count": 50901, "maximum": 1477999.953, "minimum": 1476999.993, "name": "Y", "position": 1, "stddev": 310.8603554, "variance": 96634.16057 }, { "average": -19.05559241, "count": 50901, "maximum": -1.2295, "minimum": -49.3095, "name": "Z", "position": 2, "stddev": 10.6765919, "variance": 113.9896146 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50901, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50901, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 50901, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50901, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 259000.0136, 1476999.993, -49.3095, 259543.3136, 1477999.953, -1.2295 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 259000.01362609823, 1476999.9928252215, -49.3095 ], [ 259000.01362609823, 1477999.9528252215, -49.3095 ], [ 259543.3136260982, 1477999.9528252215, -1.2295 ], [ 259543.3136260982, 1476999.9928252215, -1.2295 ], [ 259000.01362609823, 1476999.9928252215, -49.3095 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5977_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5977_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5977_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5977_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7748594, 13.35070373, -49.3095, 144.7799557, 13.35978299, -1.2295 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.7749422269803, 13.350703725696013, -49.3095 ], [ 144.77485941498315, 13.359738968329452, -49.3095 ], [ 144.7798730244102, 13.35978299220436, -1.2295 ], [ 144.7799556501391, 13.350747718711451, -1.2295 ], [ 144.7749422269803, 13.350703725696013, -49.3095 ] ] ] }, "id": "20070218_5977_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5977_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 50901, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 259177.4994, "count": 50901, "maximum": 259543.3136, "minimum": 259000.0136, "name": "X", "position": 0, "stddev": 105.1071647, "variance": 11047.51607 }, { "average": 1477529.262, "count": 50901, "maximum": 1477999.953, "minimum": 1476999.993, "name": "Y", "position": 1, "stddev": 310.8603554, "variance": 96634.16057 }, { "average": -19.05559241, "count": 50901, "maximum": -1.2295, "minimum": -49.3095, "name": "Z", "position": 2, "stddev": 10.6765919, "variance": 113.9896146 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50901, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50901, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 50901, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 50901, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 50901, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 259000.0136, 1476999.993, -49.3095, 259543.3136, 1477999.953, -1.2295 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 259000.01362609823, 1476999.9928252215, -49.3095 ], [ 259000.01362609823, 1477999.9528252215, -49.3095 ], [ 259543.3136260982, 1477999.9528252215, -1.2295 ], [ 259543.3136260982, 1476999.9928252215, -1.2295 ], [ 259000.01362609823, 1476999.9928252215, -49.3095 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7904_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.95743740879874, 13.596246234483736, -49.6995 ], [ 144.95737938686017, 13.603014217698785, -49.6995 ], [ 144.96255646247116, 13.60305664084476, -8.1795 ], [ 144.96261433757596, 13.596288635745642, -8.1795 ], [ 144.95743740879874, 13.596246234483736, -49.6995 ] ] ] }, "bbox": [ 144.9573794, 13.59624623, -49.6995, 144.9626143, 13.60305664, -8.1795 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 26788, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 279219.8255, "count": 26788, "maximum": 279560.3614, "minimum": 278999.9814, "name": "X", "position": 0, "stddev": 140.1187123, "variance": 19633.25355 }, { "average": 1504247.9, "count": 26788, "maximum": 1504748.954, "minimum": 1503999.994, "name": "Y", "position": 1, "stddev": 142.7689768, "variance": 20382.98075 }, { "average": -22.78820614, "count": 26788, "maximum": -8.1795, "minimum": -49.6995, "name": "Z", "position": 2, "stddev": 6.291986522, "variance": 39.58909439 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 26788, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 26788, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 26788, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 26788, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 278999.9814, 1503999.994, -49.6995, 279560.3614, 1504748.954, -8.1795 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 278999.9813743429, 1503999.9944842872, -49.6995 ], [ 278999.9813743429, 1504748.9544842872, -49.6995 ], [ 279560.36137434293, 1504748.9544842872, -8.1795 ], [ 279560.36137434293, 1503999.9944842872, -8.1795 ], [ 278999.9813743429, 1503999.9944842872, -49.6995 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7904_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7904_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7904_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7904_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9573794, 13.59624623, -49.6995, 144.9626143, 13.60305664, -8.1795 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.95743740879874, 13.596246234483736, -49.6995 ], [ 144.95737938686017, 13.603014217698785, -49.6995 ], [ 144.96255646247116, 13.60305664084476, -8.1795 ], [ 144.96261433757596, 13.596288635745642, -8.1795 ], [ 144.95743740879874, 13.596246234483736, -49.6995 ] ] ] }, "id": "20070218_7904_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7904_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 26788, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 279219.8255, "count": 26788, "maximum": 279560.3614, "minimum": 278999.9814, "name": "X", "position": 0, "stddev": 140.1187123, "variance": 19633.25355 }, { "average": 1504247.9, "count": 26788, "maximum": 1504748.954, "minimum": 1503999.994, "name": "Y", "position": 1, "stddev": 142.7689768, "variance": 20382.98075 }, { "average": -22.78820614, "count": 26788, "maximum": -8.1795, "minimum": -49.6995, "name": "Z", "position": 2, "stddev": 6.291986522, "variance": 39.58909439 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 26788, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 26788, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 26788, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 26788, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 26788, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 278999.9814, 1503999.994, -49.6995, 279560.3614, 1504748.954, -8.1795 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 278999.9813743429, 1503999.9944842872, -49.6995 ], [ 278999.9813743429, 1504748.9544842872, -49.6995 ], [ 279560.36137434293, 1504748.9544842872, -8.1795 ], [ 279560.36137434293, 1503999.9944842872, -8.1795 ], [ 278999.9813743429, 1503999.9944842872, -49.6995 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_4585_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.645057330166, 13.421813956293636, 1.655 ], [ 144.6449869018651, 13.42903433202379, 1.655 ], [ 144.64822215370106, 13.429064557741516, 27.995 ], [ 144.64829248546354, 13.421844165183842, 27.995 ], [ 144.645057330166, 13.421813956293636, 1.655 ] ] ] }, "bbox": [ 144.6449869, 13.42181396, 1.655, 144.6482925, 13.42906456, 27.995 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 13076, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 245127.856, "count": 13076, "maximum": 245350.4955, "minimum": 244999.9755, "name": "X", "position": 0, "stddev": 90.88419897, "variance": 8259.937622 }, { "average": 1485538.639, "count": 13076, "maximum": 1485799.167, "minimum": 1484999.987, "name": "Y", "position": 1, "stddev": 206.3823946, "variance": 42593.69281 }, { "average": 13.58735087, "count": 13076, "maximum": 27.995, "minimum": 1.655, "name": "Z", "position": 2, "stddev": 3.947302386, "variance": 15.58119612 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13076, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13076, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 13076, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13076, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244999.9755, 1484999.987, 1.655, 245350.4955, 1485799.167, 27.995 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244999.9754836352, 1484999.9870158385, 1.655 ], [ 244999.9754836352, 1485799.1670158387, 1.655 ], [ 245350.49548363523, 1485799.1670158387, 27.995 ], [ 245350.49548363523, 1484999.9870158385, 27.995 ], [ 244999.9754836352, 1484999.9870158385, 1.655 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_4585_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_4585_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_4585_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4585_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6449869, 13.42181396, 1.655, 144.6482925, 13.42906456, 27.995 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.645057330166, 13.421813956293636, 1.655 ], [ 144.6449869018651, 13.42903433202379, 1.655 ], [ 144.64822215370106, 13.429064557741516, 27.995 ], [ 144.64829248546354, 13.421844165183842, 27.995 ], [ 144.645057330166, 13.421813956293636, 1.655 ] ] ] }, "id": "20070218_4585_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4585_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 13076, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 245127.856, "count": 13076, "maximum": 245350.4955, "minimum": 244999.9755, "name": "X", "position": 0, "stddev": 90.88419897, "variance": 8259.937622 }, { "average": 1485538.639, "count": 13076, "maximum": 1485799.167, "minimum": 1484999.987, "name": "Y", "position": 1, "stddev": 206.3823946, "variance": 42593.69281 }, { "average": 13.58735087, "count": 13076, "maximum": 27.995, "minimum": 1.655, "name": "Z", "position": 2, "stddev": 3.947302386, "variance": 15.58119612 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13076, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13076, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 13076, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13076, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13076, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244999.9755, 1484999.987, 1.655, 245350.4955, 1485799.167, 27.995 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244999.9754836352, 1484999.9870158385, 1.655 ], [ 244999.9754836352, 1485799.1670158387, 1.655 ], [ 245350.49548363523, 1485799.1670158387, 27.995 ], [ 245350.49548363523, 1484999.9870158385, 27.995 ], [ 244999.9754836352, 1484999.9870158385, 1.655 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7496_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.92098256474392, 13.523648920310217, 101.755 ], [ 144.9209817133857, 13.523747055125916, 101.755 ], [ 144.92111229935915, 13.52374813976605, 110.705 ], [ 144.92111315066398, 13.52365000494219, 110.705 ], [ 144.92098256474392, 13.523648920310217, 101.755 ] ] ] }, "bbox": [ 144.9209817, 13.52364892, 101.755, 144.9211132, 13.52374814, 110.705 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 27, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 274993.9588, "count": 27, "maximum": 274999.9021, "minimum": 274985.7621, "name": "X", "position": 0, "stddev": 4.567112368, "variance": 20.85851538 }, { "average": 1496005.009, "count": 27, "maximum": 1496010.875, "minimum": 1496000.015, "name": "Y", "position": 1, "stddev": 3.405966903, "variance": 11.60061054 }, { "average": 106.3461111, "count": 27, "maximum": 110.705, "minimum": 101.755, "name": "Z", "position": 2, "stddev": 2.174607539, "variance": 4.728917949 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 27, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 274985.7621, 1496000.015, 101.755, 274999.9021, 1496010.875, 110.705 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 274985.762108406, 1496000.014524873, 101.755 ], [ 274985.762108406, 1496010.874524873, 101.755 ], [ 274999.902108406, 1496010.874524873, 110.705 ], [ 274999.902108406, 1496000.014524873, 110.705 ], [ 274985.762108406, 1496000.014524873, 101.755 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7496_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7496_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7496_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7496_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9209817, 13.52364892, 101.755, 144.9211132, 13.52374814, 110.705 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.92098256474392, 13.523648920310217, 101.755 ], [ 144.9209817133857, 13.523747055125916, 101.755 ], [ 144.92111229935915, 13.52374813976605, 110.705 ], [ 144.92111315066398, 13.52365000494219, 110.705 ], [ 144.92098256474392, 13.523648920310217, 101.755 ] ] ] }, "id": "20070218_7496_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7496_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 27, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 274993.9588, "count": 27, "maximum": 274999.9021, "minimum": 274985.7621, "name": "X", "position": 0, "stddev": 4.567112368, "variance": 20.85851538 }, { "average": 1496005.009, "count": 27, "maximum": 1496010.875, "minimum": 1496000.015, "name": "Y", "position": 1, "stddev": 3.405966903, "variance": 11.60061054 }, { "average": 106.3461111, "count": 27, "maximum": 110.705, "minimum": 101.755, "name": "Z", "position": 2, "stddev": 2.174607539, "variance": 4.728917949 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 27, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 274985.7621, 1496000.015, 101.755, 274999.9021, 1496010.875, 110.705 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 274985.762108406, 1496000.014524873, 101.755 ], [ 274985.762108406, 1496010.874524873, 101.755 ], [ 274999.902108406, 1496010.874524873, 110.705 ], [ 274999.902108406, 1496000.014524873, 110.705 ], [ 274985.762108406, 1496000.014524873, 101.755 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6689_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.83856980467212, 13.459694287490779, -36.02 ], [ 144.8385065194488, 13.466743385011652, -36.02 ], [ 144.84773778798842, 13.466822626365898, 126.32 ], [ 144.84780080349728, 13.459773485902346, 126.32 ], [ 144.83856980467212, 13.459694287490779, -36.02 ] ] ] }, "bbox": [ 144.8385065, 13.45969429, -36.02, 144.8478008, 13.46682263, 126.32 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 78738, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 266634.3264, "count": 78738, "maximum": 266999.986, "minimum": 266000.126, "name": "X", "position": 0, "stddev": 242.3983254, "variance": 58756.94814 }, { "average": 1489272.144, "count": 78738, "maximum": 1489780.094, "minimum": 1488999.974, "name": "Y", "position": 1, "stddev": 178.133118, "variance": 31731.40773 }, { "average": 25.26036704, "count": 78738, "maximum": 126.32, "minimum": -36.02, "name": "Z", "position": 2, "stddev": 29.48935261, "variance": 869.6219172 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 78738, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 78738, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.15933857, "count": 78738, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.347329102, "variance": 1.81529571 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 78738, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 266000.126, 1488999.974, -36.02, 266999.986, 1489780.094, 126.32 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 266000.1260135364, 1488999.974287488, -36.02 ], [ 266000.1260135364, 1489780.0942874881, -36.02 ], [ 266999.9860135364, 1489780.0942874881, 126.32 ], [ 266999.9860135364, 1488999.974287488, 126.32 ], [ 266000.1260135364, 1488999.974287488, -36.02 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6689_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6689_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6689_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6689_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8385065, 13.45969429, -36.02, 144.8478008, 13.46682263, 126.32 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.83856980467212, 13.459694287490779, -36.02 ], [ 144.8385065194488, 13.466743385011652, -36.02 ], [ 144.84773778798842, 13.466822626365898, 126.32 ], [ 144.84780080349728, 13.459773485902346, 126.32 ], [ 144.83856980467212, 13.459694287490779, -36.02 ] ] ] }, "id": "20070218_6689_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6689_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 78738, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 266634.3264, "count": 78738, "maximum": 266999.986, "minimum": 266000.126, "name": "X", "position": 0, "stddev": 242.3983254, "variance": 58756.94814 }, { "average": 1489272.144, "count": 78738, "maximum": 1489780.094, "minimum": 1488999.974, "name": "Y", "position": 1, "stddev": 178.133118, "variance": 31731.40773 }, { "average": 25.26036704, "count": 78738, "maximum": 126.32, "minimum": -36.02, "name": "Z", "position": 2, "stddev": 29.48935261, "variance": 869.6219172 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 78738, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 78738, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.15933857, "count": 78738, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.347329102, "variance": 1.81529571 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 78738, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 78738, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 266000.126, 1488999.974, -36.02, 266999.986, 1489780.094, 126.32 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 266000.1260135364, 1488999.974287488, -36.02 ], [ 266000.1260135364, 1489780.0942874881, -36.02 ], [ 266999.9860135364, 1489780.0942874881, 126.32 ], [ 266999.9860135364, 1488999.974287488, 126.32 ], [ 266000.1260135364, 1488999.974287488, -36.02 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7594_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.92119761405158, 13.51410498525833, -50.56 ], [ 144.92119320565723, 13.514613551767301, -50.56 ], [ 144.9228250074564, 13.514627090700703, -35.7 ], [ 144.922829412396, 13.514118523663603, -35.7 ], [ 144.92119761405158, 13.51410498525833, -50.56 ] ] ] }, "bbox": [ 144.9211932, 13.51410499, -50.56, 144.9228294, 13.51462709, -35.7 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 545, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 275057.2217, "count": 545, "maximum": 275176.7855, "minimum": 275000.0855, "name": "X", "position": 0, "stddev": 46.54093797, "variance": 2166.058907 }, { "average": 1494984.42, "count": 545, "maximum": 1495000.003, "minimum": 1494943.723, "name": "Y", "position": 1, "stddev": 12.70900203, "variance": 161.5187326 }, { "average": -44.94192661, "count": 545, "maximum": -35.7, "minimum": -50.56, "name": "Z", "position": 2, "stddev": 3.785200155, "variance": 14.32774022 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 545, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 545, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 545, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 545, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 275000.0855, 1494943.723, -50.56, 275176.7855, 1495000.003, -35.7 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 275000.08554586483, 1494943.7225808164, -50.56 ], [ 275000.08554586483, 1495000.0025808162, -50.56 ], [ 275176.7855458648, 1495000.0025808162, -35.7 ], [ 275176.7855458648, 1494943.7225808164, -35.7 ], [ 275000.08554586483, 1494943.7225808164, -50.56 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7594_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7594_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7594_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7594_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9211932, 13.51410499, -50.56, 144.9228294, 13.51462709, -35.7 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.92119761405158, 13.51410498525833, -50.56 ], [ 144.92119320565723, 13.514613551767301, -50.56 ], [ 144.9228250074564, 13.514627090700703, -35.7 ], [ 144.922829412396, 13.514118523663603, -35.7 ], [ 144.92119761405158, 13.51410498525833, -50.56 ] ] ] }, "id": "20070218_7594_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7594_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 545, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 275057.2217, "count": 545, "maximum": 275176.7855, "minimum": 275000.0855, "name": "X", "position": 0, "stddev": 46.54093797, "variance": 2166.058907 }, { "average": 1494984.42, "count": 545, "maximum": 1495000.003, "minimum": 1494943.723, "name": "Y", "position": 1, "stddev": 12.70900203, "variance": 161.5187326 }, { "average": -44.94192661, "count": 545, "maximum": -35.7, "minimum": -50.56, "name": "Z", "position": 2, "stddev": 3.785200155, "variance": 14.32774022 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 545, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 545, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 545, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 545, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 545, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 275000.0855, 1494943.723, -50.56, 275176.7855, 1495000.003, -35.7 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 275000.08554586483, 1494943.7225808164, -50.56 ], [ 275000.08554586483, 1495000.0025808162, -50.56 ], [ 275176.7855458648, 1495000.0025808162, -35.7 ], [ 275176.7855458648, 1494943.7225808164, -35.7 ], [ 275000.08554586483, 1494943.7225808164, -50.56 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_4683_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6544135817996, 13.408889018404365, -19.1045 ], [ 144.654377550815, 13.412601960559146, -19.1045 ], [ 144.65618501564683, 13.412618765647716, -1.5045 ], [ 144.65622101892671, 13.408905818675798, -1.5045 ], [ 144.6544135817996, 13.408889018404365, -19.1045 ] ] ] }, "bbox": [ 144.6543776, 13.40888902, -19.1045, 144.656221, 13.41261877, -1.5045 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 4639, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246073.2909, "count": 4639, "maximum": 246195.8516, "minimum": 246000.0116, "name": "X", "position": 0, "stddev": 50.65076449, "variance": 2565.499944 }, { "average": 1483773.253, "count": 4639, "maximum": 1483970.847, "minimum": 1483559.887, "name": "Y", "position": 1, "stddev": 83.05746408, "variance": 6898.542339 }, { "average": -8.434909571, "count": 4639, "maximum": -1.5045, "minimum": -19.1045, "name": "Z", "position": 2, "stddev": 3.478921615, "variance": 12.10289561 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4639, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4639, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 4639, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4639, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246000.0116, 1483559.887, -19.1045, 246195.8516, 1483970.847, -1.5045 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246000.0116068057, 1483559.8868341981, -19.1045 ], [ 246000.0116068057, 1483970.846834198, -19.1045 ], [ 246195.85160680572, 1483970.846834198, -1.5045 ], [ 246195.85160680572, 1483559.8868341981, -1.5045 ], [ 246000.0116068057, 1483559.8868341981, -19.1045 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_4683_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_4683_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_4683_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4683_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6543776, 13.40888902, -19.1045, 144.656221, 13.41261877, -1.5045 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6544135817996, 13.408889018404365, -19.1045 ], [ 144.654377550815, 13.412601960559146, -19.1045 ], [ 144.65618501564683, 13.412618765647716, -1.5045 ], [ 144.65622101892671, 13.408905818675798, -1.5045 ], [ 144.6544135817996, 13.408889018404365, -19.1045 ] ] ] }, "id": "20070218_4683_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_4683_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 4639, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246073.2909, "count": 4639, "maximum": 246195.8516, "minimum": 246000.0116, "name": "X", "position": 0, "stddev": 50.65076449, "variance": 2565.499944 }, { "average": 1483773.253, "count": 4639, "maximum": 1483970.847, "minimum": 1483559.887, "name": "Y", "position": 1, "stddev": 83.05746408, "variance": 6898.542339 }, { "average": -8.434909571, "count": 4639, "maximum": -1.5045, "minimum": -19.1045, "name": "Z", "position": 2, "stddev": 3.478921615, "variance": 12.10289561 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4639, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4639, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 4639, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4639, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4639, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246000.0116, 1483559.887, -19.1045, 246195.8516, 1483970.847, -1.5045 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246000.0116068057, 1483559.8868341981, -19.1045 ], [ 246000.0116068057, 1483970.846834198, -19.1045 ], [ 246195.85160680572, 1483970.846834198, -1.5045 ], [ 246195.85160680572, 1483559.8868341981, -1.5045 ], [ 246000.0116068057, 1483559.8868341981, -19.1045 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5978_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.77486011623355, 13.35973929735234, -44.35 ], [ 144.77478909318742, 13.367482985173345, -44.35 ], [ 144.78016276922062, 13.367530193773385, -0.83 ], [ 144.7802336210348, 13.359786477599323, -0.83 ], [ 144.77486011623355, 13.35973929735234, -44.35 ] ] ] }, "bbox": [ 144.7747891, 13.3597393, -44.35, 144.7802336, 13.36753019, -0.83 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 66328, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 259288.3946, "count": 66328, "maximum": 259582.3899, "minimum": 259000.0899, "name": "X", "position": 0, "stddev": 126.5424216, "variance": 16012.98446 }, { "average": 1478355.912, "count": 66328, "maximum": 1478857.009, "minimum": 1477999.989, "name": "Y", "position": 1, "stddev": 216.7817502, "variance": 46994.32722 }, { "average": -24.11902726, "count": 66328, "maximum": -0.83, "minimum": -44.35, "name": "Z", "position": 2, "stddev": 10.71166646, "variance": 114.7397984 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 66328, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 66328, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 66328, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 66328, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 259000.0899, 1477999.989, -44.35, 259582.3899, 1478857.009, -0.83 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 259000.08993802164, 1477999.9885541487, -44.35 ], [ 259000.08993802164, 1478857.0085541487, -44.35 ], [ 259582.38993802163, 1478857.0085541487, -0.83 ], [ 259582.38993802163, 1477999.9885541487, -0.83 ], [ 259000.08993802164, 1477999.9885541487, -44.35 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5978_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5978_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5978_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5978_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7747891, 13.3597393, -44.35, 144.7802336, 13.36753019, -0.83 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.77486011623355, 13.35973929735234, -44.35 ], [ 144.77478909318742, 13.367482985173345, -44.35 ], [ 144.78016276922062, 13.367530193773385, -0.83 ], [ 144.7802336210348, 13.359786477599323, -0.83 ], [ 144.77486011623355, 13.35973929735234, -44.35 ] ] ] }, "id": "20070218_5978_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5978_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 66328, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 259288.3946, "count": 66328, "maximum": 259582.3899, "minimum": 259000.0899, "name": "X", "position": 0, "stddev": 126.5424216, "variance": 16012.98446 }, { "average": 1478355.912, "count": 66328, "maximum": 1478857.009, "minimum": 1477999.989, "name": "Y", "position": 1, "stddev": 216.7817502, "variance": 46994.32722 }, { "average": -24.11902726, "count": 66328, "maximum": -0.83, "minimum": -44.35, "name": "Z", "position": 2, "stddev": 10.71166646, "variance": 114.7397984 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 66328, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 66328, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 66328, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 66328, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 66328, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 259000.0899, 1477999.989, -44.35, 259582.3899, 1478857.009, -0.83 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 259000.08993802164, 1477999.9885541487, -44.35 ], [ 259000.08993802164, 1478857.0085541487, -44.35 ], [ 259582.38993802163, 1478857.0085541487, -0.83 ], [ 259582.38993802163, 1477999.9885541487, -0.83 ], [ 259000.08993802164, 1477999.9885541487, -44.35 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6788_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.84782719032611, 13.456818837255138, -50.45 ], [ 144.847800787082, 13.4597736005045, -50.45 ], [ 144.85278163287245, 13.459816193514202, -35.71 ], [ 144.85280797513477, 13.456861420582538, -35.71 ], [ 144.84782719032611, 13.456818837255138, -50.45 ] ] ] }, "bbox": [ 144.8478008, 13.45681884, -50.45, 144.852808, 13.45981619, -35.71 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 12173, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 267169.4101, "count": 12173, "maximum": 267539.4843, "minimum": 266999.9843, "name": "X", "position": 0, "stddev": 122.8265816, "variance": 15086.36914 }, { "average": 1488893.797, "count": 12173, "maximum": 1488999.987, "minimum": 1488672.987, "name": "Y", "position": 1, "stddev": 76.19002625, "variance": 5804.9201 }, { "average": -42.66024809, "count": 12173, "maximum": -35.71, "minimum": -50.45, "name": "Z", "position": 2, "stddev": 3.264273206, "variance": 10.65547956 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 12173, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 12173, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 12173, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 12173, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 266999.9843, 1488672.987, -50.45, 267539.4843, 1488999.987, -35.71 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 266999.98434658046, 1488672.9869849498, -50.45 ], [ 266999.98434658046, 1488999.9869849498, -50.45 ], [ 267539.48434658046, 1488999.9869849498, -35.71 ], [ 267539.48434658046, 1488672.9869849498, -35.71 ], [ 266999.98434658046, 1488672.9869849498, -50.45 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6788_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6788_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6788_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6788_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8478008, 13.45681884, -50.45, 144.852808, 13.45981619, -35.71 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.84782719032611, 13.456818837255138, -50.45 ], [ 144.847800787082, 13.4597736005045, -50.45 ], [ 144.85278163287245, 13.459816193514202, -35.71 ], [ 144.85280797513477, 13.456861420582538, -35.71 ], [ 144.84782719032611, 13.456818837255138, -50.45 ] ] ] }, "id": "20070218_6788_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6788_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 12173, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 267169.4101, "count": 12173, "maximum": 267539.4843, "minimum": 266999.9843, "name": "X", "position": 0, "stddev": 122.8265816, "variance": 15086.36914 }, { "average": 1488893.797, "count": 12173, "maximum": 1488999.987, "minimum": 1488672.987, "name": "Y", "position": 1, "stddev": 76.19002625, "variance": 5804.9201 }, { "average": -42.66024809, "count": 12173, "maximum": -35.71, "minimum": -50.45, "name": "Z", "position": 2, "stddev": 3.264273206, "variance": 10.65547956 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 12173, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 12173, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 12173, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 12173, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12173, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 266999.9843, 1488672.987, -50.45, 267539.4843, 1488999.987, -35.71 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 266999.98434658046, 1488672.9869849498, -50.45 ], [ 266999.98434658046, 1488999.9869849498, -50.45 ], [ 267539.48434658046, 1488999.9869849498, -35.71 ], [ 267539.48434658046, 1488672.9869849498, -35.71 ], [ 266999.98434658046, 1488672.9869849498, -50.45 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5667_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.75038663780214, 13.269102118976507, -45.38 ], [ 144.75038615210397, 13.269154886377933, -45.38 ], [ 144.7505837402057, 13.269156631356104, -44.42 ], [ 144.75058422586127, 13.269103863947496, -44.42 ], [ 144.75038663780214, 13.269102118976507, -45.38 ] ] ] }, "bbox": [ 144.7503862, 13.26910212, -45.38, 144.7505842, 13.26915663, -44.42 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 4, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 256268.7198, "count": 4, "maximum": 256278.8923, "minimum": 256257.4723, "name": "X", "position": 0, "stddev": 9.700142181, "variance": 94.09275833 }, { "average": 1467997.139, "count": 4, "maximum": 1467999.339, "minimum": 1467993.499, "name": "Y", "position": 1, "stddev": 2.726511813, "variance": 7.433866666 }, { "average": -44.91, "count": 4, "maximum": -44.42, "minimum": -45.38, "name": "Z", "position": 2, "stddev": 0.3920884254, "variance": 0.1537333333 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 4, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 256257.4723, 1467993.499, -45.38, 256278.8923, 1467999.339, -44.42 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 256257.47231028994, 1467993.498631633, -45.38 ], [ 256257.47231028994, 1467999.3386316327, -45.38 ], [ 256278.89231028993, 1467999.3386316327, -44.42 ], [ 256278.89231028993, 1467993.498631633, -44.42 ], [ 256257.47231028994, 1467993.498631633, -45.38 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5667_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5667_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5667_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5667_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7503862, 13.26910212, -45.38, 144.7505842, 13.26915663, -44.42 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.75038663780214, 13.269102118976507, -45.38 ], [ 144.75038615210397, 13.269154886377933, -45.38 ], [ 144.7505837402057, 13.269156631356104, -44.42 ], [ 144.75058422586127, 13.269103863947496, -44.42 ], [ 144.75038663780214, 13.269102118976507, -45.38 ] ] ] }, "id": "20070218_5667_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5667_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 4, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 256268.7198, "count": 4, "maximum": 256278.8923, "minimum": 256257.4723, "name": "X", "position": 0, "stddev": 9.700142181, "variance": 94.09275833 }, { "average": 1467997.139, "count": 4, "maximum": 1467999.339, "minimum": 1467993.499, "name": "Y", "position": 1, "stddev": 2.726511813, "variance": 7.433866666 }, { "average": -44.91, "count": 4, "maximum": -44.42, "minimum": -45.38, "name": "Z", "position": 2, "stddev": 0.3920884254, "variance": 0.1537333333 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 4, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 4, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 256257.4723, 1467993.499, -45.38, 256278.8923, 1467999.339, -44.42 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 256257.47231028994, 1467993.498631633, -45.38 ], [ 256257.47231028994, 1467999.3386316327, -45.38 ], [ 256278.89231028993, 1467999.3386316327, -44.42 ], [ 256278.89231028993, 1467993.498631633, -44.42 ], [ 256257.47231028994, 1467993.498631633, -45.38 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5993_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.77356302465398, 13.50031810121611, 21.17 ], [ 144.77352601622948, 13.504307812817794, 21.17 ], [ 144.77835333155306, 13.504350650232189, 47.99 ], [ 144.77839025993197, 13.500360925538581, 47.99 ], [ 144.77356302465398, 13.50031810121611, 21.17 ] ] ] }, "bbox": [ 144.773526, 13.5003181, 21.17, 144.7783903, 13.50435065, 47.99 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 23007, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 259172.059, "count": 23007, "maximum": 259522.8096, "minimum": 259000.0096, "name": "X", "position": 0, "stddev": 123.3240247, "variance": 15208.81507 }, { "average": 1493856.901, "count": 23007, "maximum": 1493999.967, "minimum": 1493558.407, "name": "Y", "position": 1, "stddev": 102.1001454, "variance": 10424.43969 }, { "average": 32.5120033, "count": 23007, "maximum": 47.99, "minimum": 21.17, "name": "Z", "position": 2, "stddev": 5.680910102, "variance": 32.27273959 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 23007, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 23007, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 23007, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 23007, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 259000.0096, 1493558.407, 21.17, 259522.8096, 1493999.967, 47.99 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 259000.00961186845, 1493558.4068710494, 21.17 ], [ 259000.00961186845, 1493999.9668710495, 21.17 ], [ 259522.80961186843, 1493999.9668710495, 47.99 ], [ 259522.80961186843, 1493558.4068710494, 47.99 ], [ 259000.00961186845, 1493558.4068710494, 21.17 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5993_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5993_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5993_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5993_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.773526, 13.5003181, 21.17, 144.7783903, 13.50435065, 47.99 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.77356302465398, 13.50031810121611, 21.17 ], [ 144.77352601622948, 13.504307812817794, 21.17 ], [ 144.77835333155306, 13.504350650232189, 47.99 ], [ 144.77839025993197, 13.500360925538581, 47.99 ], [ 144.77356302465398, 13.50031810121611, 21.17 ] ] ] }, "id": "20070218_5993_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5993_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 23007, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 259172.059, "count": 23007, "maximum": 259522.8096, "minimum": 259000.0096, "name": "X", "position": 0, "stddev": 123.3240247, "variance": 15208.81507 }, { "average": 1493856.901, "count": 23007, "maximum": 1493999.967, "minimum": 1493558.407, "name": "Y", "position": 1, "stddev": 102.1001454, "variance": 10424.43969 }, { "average": 32.5120033, "count": 23007, "maximum": 47.99, "minimum": 21.17, "name": "Z", "position": 2, "stddev": 5.680910102, "variance": 32.27273959 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 23007, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 23007, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 23007, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 23007, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 23007, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 259000.0096, 1493558.407, 21.17, 259522.8096, 1493999.967, 47.99 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 259000.00961186845, 1493558.4068710494, 21.17 ], [ 259000.00961186845, 1493999.9668710495, 21.17 ], [ 259522.80961186843, 1493999.9668710495, 47.99 ], [ 259522.80961186843, 1493558.4068710494, 47.99 ], [ 259000.00961186845, 1493558.4068710494, 21.17 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_guam_55pbq4286_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.62225421749872, 13.436868938525125, -0.712 ], [ 144.62222659817584, 13.439670559405368, -0.712 ], [ 144.6264207660951, 13.439710131320005, 64.288 ], [ 144.62644833682424, 13.436908501999023, 64.288 ], [ 144.62225421749872, 13.436868938525125, -0.712 ] ] ] }, "bbox": [ 144.6222266, 13.43686894, -0.712, 144.6264483, 13.43971013, 64.288 ], "properties": { "datetime": "2011-09-20T23:51:23Z", "pc:count": 243715, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 242838.6092, "count": 243715, "maximum": 242999.9938, "minimum": 242545.5938, "name": "X", "position": 0, "stddev": 106.0746485, "variance": 11251.83106 }, { "average": 1486886.225, "count": 243715, "maximum": 1487000, "minimum": 1486689.9, "name": "Y", "position": 1, "stddev": 75.62943977, "variance": 5719.81216 }, { "average": 47.80644831, "count": 243715, "maximum": 64.288, "minimum": -0.712, "name": "Z", "position": 2, "stddev": 13.56886659, "variance": 184.1141406 }, { "average": 17.0439817, "count": 243715, "maximum": 50, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.666172624, "variance": 93.4348932 }, { "average": 1.499899473, "count": 243715, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000010157, "variance": 0.2500010157 }, { "average": 1.999901524, "count": 243715, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.009923022983, "variance": 9.846638512e-05 }, { "average": 0.4783866401, "count": 243715, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4995336691, "variance": 0.2495338866 }, { "average": 0, "count": 243715, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.057870874, "count": 243715, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2699318985, "variance": 0.07286322984 }, { "average": 0.4631712941, "count": 243715, "maximum": 37.0019989, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.04032006, "variance": 577.9369887 }, { "average": 0, "count": 243715, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 17, "count": 243715, "maximum": 17, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 597178.2039, "count": 243715, "maximum": 597883.5296, "minimum": 596545.3734, "name": "GpsTime", "position": 12, "stddev": 313.5253357, "variance": 98298.13614 }, { "average": 0, "count": 243715, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 243715, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 243715, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 243715, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 243715, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242545.5938, 1486689.9, -0.712, 242999.9938, 1487000, 64.288 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242545.5938178393, 1486689.9004466124, -0.712 ], [ 242545.5938178393, 1487000.0004466125, -0.712 ], [ 242999.99381783933, 1487000.0004466125, 64.288 ], [ 242999.99381783933, 1486689.9004466124, 64.288 ], [ 242545.5938178393, 1486689.9004466124, -0.712 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T23:51:23+00:00", "end_time": "2011-09-20T23:29:05+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4286_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4286_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4286_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4286_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6222266, 13.43686894, -0.712, 144.6264483, 13.43971013, 64.288 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.62225421749872, 13.436868938525125, -0.712 ], [ 144.62222659817584, 13.439670559405368, -0.712 ], [ 144.6264207660951, 13.439710131320005, 64.288 ], [ 144.62644833682424, 13.436908501999023, 64.288 ], [ 144.62225421749872, 13.436868938525125, -0.712 ] ] ] }, "id": "20070218_guam_55pbq4286_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4286_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-20T23:51:23Z", "pc:count": 243715, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 242838.6092, "count": 243715, "maximum": 242999.9938, "minimum": 242545.5938, "name": "X", "position": 0, "stddev": 106.0746485, "variance": 11251.83106 }, { "average": 1486886.225, "count": 243715, "maximum": 1487000, "minimum": 1486689.9, "name": "Y", "position": 1, "stddev": 75.62943977, "variance": 5719.81216 }, { "average": 47.80644831, "count": 243715, "maximum": 64.288, "minimum": -0.712, "name": "Z", "position": 2, "stddev": 13.56886659, "variance": 184.1141406 }, { "average": 17.0439817, "count": 243715, "maximum": 50, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.666172624, "variance": 93.4348932 }, { "average": 1.499899473, "count": 243715, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000010157, "variance": 0.2500010157 }, { "average": 1.999901524, "count": 243715, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.009923022983, "variance": 9.846638512e-05 }, { "average": 0.4783866401, "count": 243715, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4995336691, "variance": 0.2495338866 }, { "average": 0, "count": 243715, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.057870874, "count": 243715, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2699318985, "variance": 0.07286322984 }, { "average": 0.4631712941, "count": 243715, "maximum": 37.0019989, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.04032006, "variance": 577.9369887 }, { "average": 0, "count": 243715, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 17, "count": 243715, "maximum": 17, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 597178.2039, "count": 243715, "maximum": 597883.5296, "minimum": 596545.3734, "name": "GpsTime", "position": 12, "stddev": 313.5253357, "variance": 98298.13614 }, { "average": 0, "count": 243715, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 243715, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 243715, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 243715, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 243715, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242545.5938, 1486689.9, -0.712, 242999.9938, 1487000, 64.288 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242545.5938178393, 1486689.9004466124, -0.712 ], [ 242545.5938178393, 1487000.0004466125, -0.712 ], [ 242999.99381783933, 1487000.0004466125, 64.288 ], [ 242999.99381783933, 1486689.9004466124, 64.288 ], [ 242545.5938178393, 1486689.9004466124, -0.712 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T23:51:23+00:00", "end_time": "2011-09-20T23:29:05+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": "20070218_5668_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.74939998888667, 13.269154703355898, -49.455 ], [ 144.74931677923615, 13.278187497257228, -49.455 ], [ 144.7571523477047, 13.278256655314163, 24.745 ], [ 144.75723526825195, 13.269223812718906, 24.745 ], [ 144.74939998888667, 13.269154703355898, -49.455 ] ] ] }, "bbox": [ 144.7493168, 13.2691547, -49.455, 144.7572353, 13.27825666, 24.745 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 47389, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 256655.8536, "count": 47389, "maximum": 256999.9734, "minimum": 256150.5734, "name": "X", "position": 0, "stddev": 213.221786, "variance": 45463.53004 }, { "average": 1468517.721, "count": 47389, "maximum": 1468999.982, "minimum": 1468000.282, "name": "Y", "position": 1, "stddev": 259.1768641, "variance": 67172.64687 }, { "average": -11.66451466, "count": 47389, "maximum": 24.745, "minimum": -49.455, "name": "Z", "position": 2, "stddev": 15.91966826, "variance": 253.4358374 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 47389, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 47389, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.9359767, "count": 47389, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.389934706, "variance": 1.931918488 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 47389, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 256150.5734, 1468000.282, -49.455, 256999.9734, 1468999.982, 24.745 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 256150.57344886265, 1468000.2824380044, -49.455 ], [ 256150.57344886265, 1468999.9824380046, -49.455 ], [ 256999.97344886267, 1468999.9824380046, 24.745 ], [ 256999.97344886267, 1468000.2824380044, 24.745 ], [ 256150.57344886265, 1468000.2824380044, -49.455 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5668_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5668_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5668_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5668_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7493168, 13.2691547, -49.455, 144.7572353, 13.27825666, 24.745 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.74939998888667, 13.269154703355898, -49.455 ], [ 144.74931677923615, 13.278187497257228, -49.455 ], [ 144.7571523477047, 13.278256655314163, 24.745 ], [ 144.75723526825195, 13.269223812718906, 24.745 ], [ 144.74939998888667, 13.269154703355898, -49.455 ] ] ] }, "id": "20070218_5668_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5668_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 47389, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 256655.8536, "count": 47389, "maximum": 256999.9734, "minimum": 256150.5734, "name": "X", "position": 0, "stddev": 213.221786, "variance": 45463.53004 }, { "average": 1468517.721, "count": 47389, "maximum": 1468999.982, "minimum": 1468000.282, "name": "Y", "position": 1, "stddev": 259.1768641, "variance": 67172.64687 }, { "average": -11.66451466, "count": 47389, "maximum": 24.745, "minimum": -49.455, "name": "Z", "position": 2, "stddev": 15.91966826, "variance": 253.4358374 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 47389, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 47389, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.9359767, "count": 47389, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.389934706, "variance": 1.931918488 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 47389, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47389, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 256150.5734, 1468000.282, -49.455, 256999.9734, 1468999.982, 24.745 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 256150.57344886265, 1468000.2824380044, -49.455 ], [ 256150.57344886265, 1468999.9824380046, -49.455 ], [ 256999.97344886267, 1468999.9824380046, 24.745 ], [ 256999.97344886267, 1468000.2824380044, 24.745 ], [ 256150.57344886265, 1468000.2824380044, -49.455 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7595_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.92119228738264, 13.51461358692473, -50.605 ], [ 144.92111392894284, 13.523649765506864, -50.605 ], [ 144.9303491715977, 13.523726299667082, 110.795 ], [ 144.93042718250527, 13.514690068074353, 110.795 ], [ 144.92119228738264, 13.51461358692473, -50.605 ] ] ] }, "bbox": [ 144.9211139, 13.51461359, -50.605, 144.9304272, 13.5237263, 110.795 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 234911, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 275429.162, "count": 234911, "maximum": 275999.9862, "minimum": 274999.9862, "name": "X", "position": 0, "stddev": 254.3062658, "variance": 64671.67684 }, { "average": 1495603.342, "count": 234911, "maximum": 1495999.987, "minimum": 1495000.007, "name": "Y", "position": 1, "stddev": 254.3283656, "variance": 64682.91755 }, { "average": -5.606549268, "count": 234911, "maximum": 110.795, "minimum": -50.605, "name": "Z", "position": 2, "stddev": 23.18295509, "variance": 537.4494069 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 234911, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 234911, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.06323246, "count": 234911, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.43500623, "variance": 2.059242881 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 234911, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 274999.9862, 1495000.007, -50.605, 275999.9862, 1495999.987, 110.795 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 274999.98615040665, 1495000.0073146007, -50.605 ], [ 274999.98615040665, 1495999.9873146007, -50.605 ], [ 275999.98615040665, 1495999.9873146007, 110.795 ], [ 275999.98615040665, 1495000.0073146007, 110.795 ], [ 274999.98615040665, 1495000.0073146007, -50.605 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7595_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7595_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7595_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7595_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9211139, 13.51461359, -50.605, 144.9304272, 13.5237263, 110.795 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.92119228738264, 13.51461358692473, -50.605 ], [ 144.92111392894284, 13.523649765506864, -50.605 ], [ 144.9303491715977, 13.523726299667082, 110.795 ], [ 144.93042718250527, 13.514690068074353, 110.795 ], [ 144.92119228738264, 13.51461358692473, -50.605 ] ] ] }, "id": "20070218_7595_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7595_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 234911, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 275429.162, "count": 234911, "maximum": 275999.9862, "minimum": 274999.9862, "name": "X", "position": 0, "stddev": 254.3062658, "variance": 64671.67684 }, { "average": 1495603.342, "count": 234911, "maximum": 1495999.987, "minimum": 1495000.007, "name": "Y", "position": 1, "stddev": 254.3283656, "variance": 64682.91755 }, { "average": -5.606549268, "count": 234911, "maximum": 110.795, "minimum": -50.605, "name": "Z", "position": 2, "stddev": 23.18295509, "variance": 537.4494069 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 234911, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 234911, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.06323246, "count": 234911, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.43500623, "variance": 2.059242881 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 234911, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 234911, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 274999.9862, 1495000.007, -50.605, 275999.9862, 1495999.987, 110.795 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 274999.98615040665, 1495000.0073146007, -50.605 ], [ 274999.98615040665, 1495999.9873146007, -50.605 ], [ 275999.98615040665, 1495999.9873146007, 110.795 ], [ 275999.98615040665, 1495000.0073146007, 110.795 ], [ 274999.98615040665, 1495000.0073146007, -50.605 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6789_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.84780097662406, 13.459773648979564, -49.63 ], [ 144.84772019342373, 13.468809617641066, -49.63 ], [ 144.8569525205146, 13.468888540436073, 128.39 ], [ 144.8570329578984, 13.459852516952278, 128.39 ], [ 144.84780097662406, 13.459773648979564, -49.63 ] ] ] }, "bbox": [ 144.8477202, 13.45977365, -49.63, 144.857033, 13.46888854, 128.39 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 123246, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 267501.0993, "count": 123246, "maximum": 267999.9649, "minimum": 267000.0049, "name": "X", "position": 0, "stddev": 283.1844283, "variance": 80193.42042 }, { "average": 1489483.165, "count": 123246, "maximum": 1489999.992, "minimum": 1488999.992, "name": "Y", "position": 1, "stddev": 263.4783442, "variance": 69420.83786 }, { "average": 2.326406942, "count": 123246, "maximum": 128.39, "minimum": -49.63, "name": "Z", "position": 2, "stddev": 40.15896368, "variance": 1612.742364 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 123246, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 123246, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.08427048, "count": 123246, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.44124454, "variance": 2.077185823 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 123246, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 267000.0049, 1488999.992, -49.63, 267999.9649, 1489999.992, 128.39 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 267000.004922199, 1488999.9921696451, -49.63 ], [ 267000.004922199, 1489999.9921696451, -49.63 ], [ 267999.96492219897, 1489999.9921696451, 128.39 ], [ 267999.96492219897, 1488999.9921696451, 128.39 ], [ 267000.004922199, 1488999.9921696451, -49.63 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6789_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6789_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6789_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6789_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8477202, 13.45977365, -49.63, 144.857033, 13.46888854, 128.39 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.84780097662406, 13.459773648979564, -49.63 ], [ 144.84772019342373, 13.468809617641066, -49.63 ], [ 144.8569525205146, 13.468888540436073, 128.39 ], [ 144.8570329578984, 13.459852516952278, 128.39 ], [ 144.84780097662406, 13.459773648979564, -49.63 ] ] ] }, "id": "20070218_6789_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6789_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 123246, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 267501.0993, "count": 123246, "maximum": 267999.9649, "minimum": 267000.0049, "name": "X", "position": 0, "stddev": 283.1844283, "variance": 80193.42042 }, { "average": 1489483.165, "count": 123246, "maximum": 1489999.992, "minimum": 1488999.992, "name": "Y", "position": 1, "stddev": 263.4783442, "variance": 69420.83786 }, { "average": 2.326406942, "count": 123246, "maximum": 128.39, "minimum": -49.63, "name": "Z", "position": 2, "stddev": 40.15896368, "variance": 1612.742364 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 123246, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 123246, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.08427048, "count": 123246, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.44124454, "variance": 2.077185823 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 123246, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 123246, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 267000.0049, 1488999.992, -49.63, 267999.9649, 1489999.992, 128.39 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 267000.004922199, 1488999.9921696451, -49.63 ], [ 267000.004922199, 1489999.9921696451, -49.63 ], [ 267999.96492219897, 1489999.9921696451, 128.39 ], [ 267999.96492219897, 1488999.9921696451, 128.39 ], [ 267000.004922199, 1488999.9921696451, -49.63 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5994_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.77352586923269, 13.504307876583216, -48.8 ], [ 144.7734692301593, 13.510411348261398, -48.8 ], [ 144.78270306173795, 13.510493245872087, 65.4 ], [ 144.7827594663375, 13.504389735832335, 65.4 ], [ 144.77352586923269, 13.504307876583216, -48.8 ] ] ] }, "bbox": [ 144.7734692, 13.50430788, -48.8, 144.7827595, 13.51049325, 65.4 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 91452, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 259481.1123, "count": 91452, "maximum": 259999.9938, "minimum": 258999.9938, "name": "X", "position": 0, "stddev": 272.6701784, "variance": 74349.0262 }, { "average": 1494289.068, "count": 91452, "maximum": 1494675.474, "minimum": 1493999.974, "name": "Y", "position": 1, "stddev": 157.3523199, "variance": 24759.75259 }, { "average": 14.49154693, "count": 91452, "maximum": 65.4, "minimum": -48.8, "name": "Z", "position": 2, "stddev": 29.20510519, "variance": 852.938169 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 91452, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 91452, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.63803963, "count": 91452, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.493643015, "variance": 2.230969456 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 91452, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258999.9938, 1493999.974, -48.8, 259999.9938, 1494675.474, 65.4 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258999.99375742307, 1493999.9740722063, -48.8 ], [ 258999.99375742307, 1494675.4740722063, -48.8 ], [ 259999.99375742307, 1494675.4740722063, 65.4 ], [ 259999.99375742307, 1493999.9740722063, 65.4 ], [ 258999.99375742307, 1493999.9740722063, -48.8 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5994_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5994_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5994_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5994_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7734692, 13.50430788, -48.8, 144.7827595, 13.51049325, 65.4 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.77352586923269, 13.504307876583216, -48.8 ], [ 144.7734692301593, 13.510411348261398, -48.8 ], [ 144.78270306173795, 13.510493245872087, 65.4 ], [ 144.7827594663375, 13.504389735832335, 65.4 ], [ 144.77352586923269, 13.504307876583216, -48.8 ] ] ] }, "id": "20070218_5994_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5994_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 91452, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 259481.1123, "count": 91452, "maximum": 259999.9938, "minimum": 258999.9938, "name": "X", "position": 0, "stddev": 272.6701784, "variance": 74349.0262 }, { "average": 1494289.068, "count": 91452, "maximum": 1494675.474, "minimum": 1493999.974, "name": "Y", "position": 1, "stddev": 157.3523199, "variance": 24759.75259 }, { "average": 14.49154693, "count": 91452, "maximum": 65.4, "minimum": -48.8, "name": "Z", "position": 2, "stddev": 29.20510519, "variance": 852.938169 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 91452, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 91452, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.63803963, "count": 91452, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.493643015, "variance": 2.230969456 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 91452, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 91452, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 258999.9938, 1493999.974, -48.8, 259999.9938, 1494675.474, 65.4 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 258999.99375742307, 1493999.9740722063, -48.8 ], [ 258999.99375742307, 1494675.4740722063, -48.8 ], [ 259999.99375742307, 1494675.4740722063, 65.4 ], [ 259999.99375742307, 1493999.9740722063, 65.4 ], [ 258999.99375742307, 1493999.9740722063, -48.8 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5669_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.752877320781, 13.278218888073164, 1.3 ], [ 144.75282326203967, 13.284092880081307, 1.3 ], [ 144.7570983397422, 13.284130599111505, 27.78 ], [ 144.75715229584674, 13.278256589838385, 27.78 ], [ 144.752877320781, 13.278218888073164, 1.3 ] ] ] }, "bbox": [ 144.7528233, 13.27821889, 1.3, 144.7571523, 13.2841306, 27.78 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 19320, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 256829.5125, "count": 19320, "maximum": 256999.9678, "minimum": 256536.5478, "name": "X", "position": 0, "stddev": 114.3765144, "variance": 13081.98704 }, { "average": 1469183.463, "count": 19320, "maximum": 1469650.075, "minimum": 1468999.975, "name": "Y", "position": 1, "stddev": 140.1962495, "variance": 19654.98836 }, { "average": 13.41409886, "count": 19320, "maximum": 27.78, "minimum": 1.3, "name": "Z", "position": 2, "stddev": 3.561211307, "variance": 12.68222597 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19320, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19320, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 19320, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19320, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 256536.5478, 1468999.975, 1.3, 256999.9678, 1469650.075, 27.78 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 256536.54776259346, 1468999.9752426913, 1.3 ], [ 256536.54776259346, 1469650.0752426914, 1.3 ], [ 256999.96776259344, 1469650.0752426914, 27.78 ], [ 256999.96776259344, 1468999.9752426913, 27.78 ], [ 256536.54776259346, 1468999.9752426913, 1.3 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5669_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5669_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5669_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5669_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7528233, 13.27821889, 1.3, 144.7571523, 13.2841306, 27.78 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.752877320781, 13.278218888073164, 1.3 ], [ 144.75282326203967, 13.284092880081307, 1.3 ], [ 144.7570983397422, 13.284130599111505, 27.78 ], [ 144.75715229584674, 13.278256589838385, 27.78 ], [ 144.752877320781, 13.278218888073164, 1.3 ] ] ] }, "id": "20070218_5669_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5669_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 19320, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 256829.5125, "count": 19320, "maximum": 256999.9678, "minimum": 256536.5478, "name": "X", "position": 0, "stddev": 114.3765144, "variance": 13081.98704 }, { "average": 1469183.463, "count": 19320, "maximum": 1469650.075, "minimum": 1468999.975, "name": "Y", "position": 1, "stddev": 140.1962495, "variance": 19654.98836 }, { "average": 13.41409886, "count": 19320, "maximum": 27.78, "minimum": 1.3, "name": "Z", "position": 2, "stddev": 3.561211307, "variance": 12.68222597 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19320, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19320, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 19320, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19320, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19320, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 256536.5478, 1468999.975, 1.3, 256999.9678, 1469650.075, 27.78 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 256536.54776259346, 1468999.9752426913, 1.3 ], [ 256536.54776259346, 1469650.0752426914, 1.3 ], [ 256999.96776259344, 1469650.0752426914, 27.78 ], [ 256999.96776259344, 1468999.9752426913, 27.78 ], [ 256536.54776259346, 1468999.9752426913, 1.3 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6790_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.85248183840457, 13.468850457100332, -10.575 ], [ 144.85244218491232, 13.473293273554521, -10.575 ], [ 144.85691293092452, 13.473331461833213, 128.805 ], [ 144.85695250203773, 13.468888632341894, 128.805 ], [ 144.85248183840457, 13.468850457100332, -10.575 ] ] ] }, "bbox": [ 144.8524422, 13.46885046, -10.575, 144.8569525, 13.47333146, 128.805 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 19808, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 267799.3544, "count": 19808, "maximum": 267999.963, "minimum": 267515.743, "name": "X", "position": 0, "stddev": 128.2273565, "variance": 16442.25496 }, { "average": 1490172.818, "count": 19808, "maximum": 1490491.682, "minimum": 1490000.002, "name": "Y", "position": 1, "stddev": 112.536034, "variance": 12664.35894 }, { "average": 28.20717892, "count": 19808, "maximum": 128.805, "minimum": -10.575, "name": "Z", "position": 2, "stddev": 27.06512032, "variance": 732.5207381 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19808, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19808, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.89882876, "count": 19808, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.5415652482, "variance": 0.293292918 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19808, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 267515.743, 1490000.002, -10.575, 267999.963, 1490491.682, 128.805 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 267515.7430097583, 1490000.0023573649, -10.575 ], [ 267515.7430097583, 1490491.682357365, -10.575 ], [ 267999.96300975827, 1490491.682357365, 128.805 ], [ 267999.96300975827, 1490000.0023573649, 128.805 ], [ 267515.7430097583, 1490000.0023573649, -10.575 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6790_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6790_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6790_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6790_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8524422, 13.46885046, -10.575, 144.8569525, 13.47333146, 128.805 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.85248183840457, 13.468850457100332, -10.575 ], [ 144.85244218491232, 13.473293273554521, -10.575 ], [ 144.85691293092452, 13.473331461833213, 128.805 ], [ 144.85695250203773, 13.468888632341894, 128.805 ], [ 144.85248183840457, 13.468850457100332, -10.575 ] ] ] }, "id": "20070218_6790_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6790_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 19808, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 267799.3544, "count": 19808, "maximum": 267999.963, "minimum": 267515.743, "name": "X", "position": 0, "stddev": 128.2273565, "variance": 16442.25496 }, { "average": 1490172.818, "count": 19808, "maximum": 1490491.682, "minimum": 1490000.002, "name": "Y", "position": 1, "stddev": 112.536034, "variance": 12664.35894 }, { "average": 28.20717892, "count": 19808, "maximum": 128.805, "minimum": -10.575, "name": "Z", "position": 2, "stddev": 27.06512032, "variance": 732.5207381 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19808, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19808, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.89882876, "count": 19808, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.5415652482, "variance": 0.293292918 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19808, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19808, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 267515.743, 1490000.002, -10.575, 267999.963, 1490491.682, 128.805 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 267515.7430097583, 1490000.0023573649, -10.575 ], [ 267515.7430097583, 1490491.682357365, -10.575 ], [ 267999.96300975827, 1490491.682357365, 128.805 ], [ 267999.96300975827, 1490000.0023573649, 128.805 ], [ 267515.7430097583, 1490000.0023573649, -10.575 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_guam_55pbq4476_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6366213177674, 13.340415209594813, -0.3635 ], [ 144.6365334268392, 13.349449942199083, -0.3635 ], [ 144.64576022322282, 13.34953587173936, 93.7765 ], [ 144.64584777175216, 13.340501078930743, 93.7765 ], [ 144.6366213177674, 13.340415209594813, -0.3635 ] ] ] }, "bbox": [ 144.6365334, 13.34041521, -0.3635, 144.6458478, 13.34953587, 93.7765 ], "properties": { "datetime": "2011-09-18T01:25:23Z", "pc:count": 2046577, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244668.7341, "count": 2046577, "maximum": 244999.9943, "minimum": 243999.9943, "name": "X", "position": 0, "stddev": 238.3033013, "variance": 56788.4634 }, { "average": 1476366.453, "count": 2046577, "maximum": 1476999.986, "minimum": 1475999.986, "name": "Y", "position": 1, "stddev": 270.7683894, "variance": 73315.5207 }, { "average": 39.15989519, "count": 2046577, "maximum": 93.7765, "minimum": -0.3635, "name": "Z", "position": 2, "stddev": 20.49112739, "variance": 419.8863019 }, { "average": 28.17555557, "count": 2046577, "maximum": 64, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.08716372, "variance": 122.9251994 }, { "average": 1.500004642, "count": 2046577, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001221, "variance": 0.2500001221 }, { "average": 1.999791848, "count": 2046577, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01442599099, "variance": 0.0002081092161 }, { "average": 0.4857789372, "count": 2046577, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4997978426, "variance": 0.2497978834 }, { "average": 0, "count": 2046577, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.108980996, "count": 2046577, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3267479504, "variance": 0.1067642231 }, { "average": -1.051468119, "count": 2046577, "maximum": 39, "minimum": -40.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.82590967, "variance": 616.3257909 }, { "average": 0, "count": 2046577, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 15, "count": 2046577, "maximum": 15, "minimum": 15, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 302712.195, "count": 2046577, "maximum": 344323.8415, "minimum": 198824.4022, "name": "GpsTime", "position": 12, "stddev": 51525.33405, "variance": 2654860048 }, { "average": 0, "count": 2046577, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2046577, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2046577, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2046577, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2046577, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243999.9943, 1475999.986, -0.3635, 244999.9943, 1476999.986, 93.7765 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243999.99426285957, 1475999.9862237247, -0.3635 ], [ 243999.99426285957, 1476999.9862237247, -0.3635 ], [ 244999.99426285957, 1476999.9862237247, 93.7765 ], [ 244999.99426285957, 1475999.9862237247, 93.7765 ], [ 243999.99426285957, 1475999.9862237247, -0.3635 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-18T01:25:23+00:00", "end_time": "2011-09-16T09:00:24+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4476_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4476_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4476_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4476_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6365334, 13.34041521, -0.3635, 144.6458478, 13.34953587, 93.7765 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6366213177674, 13.340415209594813, -0.3635 ], [ 144.6365334268392, 13.349449942199083, -0.3635 ], [ 144.64576022322282, 13.34953587173936, 93.7765 ], [ 144.64584777175216, 13.340501078930743, 93.7765 ], [ 144.6366213177674, 13.340415209594813, -0.3635 ] ] ] }, "id": "20070218_guam_55pbq4476_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4476_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-18T01:25:23Z", "pc:count": 2046577, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244668.7341, "count": 2046577, "maximum": 244999.9943, "minimum": 243999.9943, "name": "X", "position": 0, "stddev": 238.3033013, "variance": 56788.4634 }, { "average": 1476366.453, "count": 2046577, "maximum": 1476999.986, "minimum": 1475999.986, "name": "Y", "position": 1, "stddev": 270.7683894, "variance": 73315.5207 }, { "average": 39.15989519, "count": 2046577, "maximum": 93.7765, "minimum": -0.3635, "name": "Z", "position": 2, "stddev": 20.49112739, "variance": 419.8863019 }, { "average": 28.17555557, "count": 2046577, "maximum": 64, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.08716372, "variance": 122.9251994 }, { "average": 1.500004642, "count": 2046577, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001221, "variance": 0.2500001221 }, { "average": 1.999791848, "count": 2046577, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01442599099, "variance": 0.0002081092161 }, { "average": 0.4857789372, "count": 2046577, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4997978426, "variance": 0.2497978834 }, { "average": 0, "count": 2046577, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.108980996, "count": 2046577, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3267479504, "variance": 0.1067642231 }, { "average": -1.051468119, "count": 2046577, "maximum": 39, "minimum": -40.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.82590967, "variance": 616.3257909 }, { "average": 0, "count": 2046577, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 15, "count": 2046577, "maximum": 15, "minimum": 15, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 302712.195, "count": 2046577, "maximum": 344323.8415, "minimum": 198824.4022, "name": "GpsTime", "position": 12, "stddev": 51525.33405, "variance": 2654860048 }, { "average": 0, "count": 2046577, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2046577, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2046577, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2046577, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2046577, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243999.9943, 1475999.986, -0.3635, 244999.9943, 1476999.986, 93.7765 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243999.99426285957, 1475999.9862237247, -0.3635 ], [ 243999.99426285957, 1476999.9862237247, -0.3635 ], [ 244999.99426285957, 1476999.9862237247, 93.7765 ], [ 244999.99426285957, 1475999.9862237247, 93.7765 ], [ 243999.99426285957, 1475999.9862237247, -0.3635 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-18T01:25:23+00:00", "end_time": "2011-09-16T09:00:24+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": "20070218_6093_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.78471699036362, 13.499894312716592, 2.715 ], [ 144.7846753442343, 13.50440667142846, 2.715 ], [ 144.78953760480067, 13.504449604377482, 41.635 ], [ 144.78957915970528, 13.499937230802857, 41.635 ], [ 144.78471699036362, 13.499894312716592, 2.715 ] ] ] }, "bbox": [ 144.7846753, 13.49989431, 2.715, 144.7895792, 13.5044496, 41.635 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 7388, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 260478.6851, "count": 7388, "maximum": 260734.0627, "minimum": 260207.4827, "name": "X", "position": 0, "stddev": 122.8088659, "variance": 15082.01754 }, { "average": 1493775.4, "count": 7388, "maximum": 1493999.973, "minimum": 1493500.573, "name": "Y", "position": 1, "stddev": 134.864221, "variance": 18188.3581 }, { "average": 14.3200203, "count": 7388, "maximum": 41.635, "minimum": 2.715, "name": "Z", "position": 2, "stddev": 7.968836041, "variance": 63.50234784 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 7388, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 7388, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 7388, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 7388, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 260207.4827, 1493500.573, 2.715, 260734.0627, 1493999.973, 41.635 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 260207.48271866172, 1493500.5732776609, 2.715 ], [ 260207.48271866172, 1493999.9732776608, 2.715 ], [ 260734.06271866173, 1493999.9732776608, 41.635 ], [ 260734.06271866173, 1493500.5732776609, 41.635 ], [ 260207.48271866172, 1493500.5732776609, 2.715 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6093_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6093_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6093_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6093_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7846753, 13.49989431, 2.715, 144.7895792, 13.5044496, 41.635 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.78471699036362, 13.499894312716592, 2.715 ], [ 144.7846753442343, 13.50440667142846, 2.715 ], [ 144.78953760480067, 13.504449604377482, 41.635 ], [ 144.78957915970528, 13.499937230802857, 41.635 ], [ 144.78471699036362, 13.499894312716592, 2.715 ] ] ] }, "id": "20070218_6093_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6093_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 7388, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 260478.6851, "count": 7388, "maximum": 260734.0627, "minimum": 260207.4827, "name": "X", "position": 0, "stddev": 122.8088659, "variance": 15082.01754 }, { "average": 1493775.4, "count": 7388, "maximum": 1493999.973, "minimum": 1493500.573, "name": "Y", "position": 1, "stddev": 134.864221, "variance": 18188.3581 }, { "average": 14.3200203, "count": 7388, "maximum": 41.635, "minimum": 2.715, "name": "Z", "position": 2, "stddev": 7.968836041, "variance": 63.50234784 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 7388, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 7388, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 7388, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 7388, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 7388, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 260207.4827, 1493500.573, 2.715, 260734.0627, 1493999.973, 41.635 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 260207.48271866172, 1493500.5732776609, 2.715 ], [ 260207.48271866172, 1493999.9732776608, 2.715 ], [ 260734.06271866173, 1493999.9732776608, 41.635 ], [ 260734.06271866173, 1493500.5732776609, 41.635 ], [ 260207.48271866172, 1493500.5732776609, 2.715 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5768_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.757200170827, 13.273070859416553, -50.315 ], [ 144.75715255775958, 13.278256724109077, -50.315 ], [ 144.7632431885327, 13.278310314482328, 5.945 ], [ 144.76329067258035, 13.273124428138455, 5.945 ], [ 144.757200170827, 13.273070859416553, -50.315 ] ] ] }, "bbox": [ 144.7571526, 13.27307086, -50.315, 144.7632907, 13.27831031, 5.945 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 27046, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 257240.8102, "count": 27046, "maximum": 257660.2363, "minimum": 256999.9963, "name": "X", "position": 0, "stddev": 147.2805528, "variance": 21691.56122 }, { "average": 1468807.556, "count": 27046, "maximum": 1468999.99, "minimum": 1468426.05, "name": "Y", "position": 1, "stddev": 125.3205427, "variance": 15705.23841 }, { "average": -16.83039451, "count": 27046, "maximum": 5.945, "minimum": -50.315, "name": "Z", "position": 2, "stddev": 8.386730361, "variance": 70.33724615 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27046, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27046, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.12434371, "count": 27046, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.5979824371, "variance": 0.357582995 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27046, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 256999.9963, 1468426.05, -50.315, 257660.2363, 1468999.99, 5.945 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 256999.99628603767, 1468426.0498463807, -50.315 ], [ 256999.99628603767, 1468999.9898463807, -50.315 ], [ 257660.23628603766, 1468999.9898463807, 5.945 ], [ 257660.23628603766, 1468426.0498463807, 5.945 ], [ 256999.99628603767, 1468426.0498463807, -50.315 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5768_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5768_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5768_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5768_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7571526, 13.27307086, -50.315, 144.7632907, 13.27831031, 5.945 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.757200170827, 13.273070859416553, -50.315 ], [ 144.75715255775958, 13.278256724109077, -50.315 ], [ 144.7632431885327, 13.278310314482328, 5.945 ], [ 144.76329067258035, 13.273124428138455, 5.945 ], [ 144.757200170827, 13.273070859416553, -50.315 ] ] ] }, "id": "20070218_5768_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5768_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 27046, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 257240.8102, "count": 27046, "maximum": 257660.2363, "minimum": 256999.9963, "name": "X", "position": 0, "stddev": 147.2805528, "variance": 21691.56122 }, { "average": 1468807.556, "count": 27046, "maximum": 1468999.99, "minimum": 1468426.05, "name": "Y", "position": 1, "stddev": 125.3205427, "variance": 15705.23841 }, { "average": -16.83039451, "count": 27046, "maximum": 5.945, "minimum": -50.315, "name": "Z", "position": 2, "stddev": 8.386730361, "variance": 70.33724615 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27046, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27046, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.12434371, "count": 27046, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.5979824371, "variance": 0.357582995 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27046, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27046, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 256999.9963, 1468426.05, -50.315, 257660.2363, 1468999.99, 5.945 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 256999.99628603767, 1468426.0498463807, -50.315 ], [ 256999.99628603767, 1468999.9898463807, -50.315 ], [ 257660.23628603766, 1468999.9898463807, 5.945 ], [ 257660.23628603766, 1468426.0498463807, 5.945 ], [ 256999.99628603767, 1468426.0498463807, -50.315 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6791_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.85585108260796, 13.484883822524864, 54.91 ], [ 144.85583592087707, 13.486583313661503, 54.91 ], [ 144.85679490190293, 13.486591506276415, 72.37 ], [ 144.85681005686618, 13.48489201407064, 72.37 ], [ 144.85585108260796, 13.484883822524864, 54.91 ] ] ] }, "bbox": [ 144.8558359, 13.48488382, 54.91, 144.8568101, 13.48659151, 72.37 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 1487, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 267961.2371, "count": 1487, "maximum": 267999.9803, "minimum": 267896.1203, "name": "X", "position": 0, "stddev": 26.17736176, "variance": 685.2542689 }, { "average": 1491882.347, "count": 1487, "maximum": 1491959.149, "minimum": 1491771.069, "name": "Y", "position": 1, "stddev": 44.41346641, "variance": 1972.555998 }, { "average": 63.59041022, "count": 1487, "maximum": 72.37, "minimum": 54.91, "name": "Z", "position": 2, "stddev": 3.211868997, "variance": 10.31610246 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1487, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1487, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 1487, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1487, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 267896.1203, 1491771.069, 54.91, 267999.9803, 1491959.149, 72.37 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 267896.1202706127, 1491771.0687066622, 54.91 ], [ 267896.1202706127, 1491959.1487066622, 54.91 ], [ 267999.9802706127, 1491959.1487066622, 72.37 ], [ 267999.9802706127, 1491771.0687066622, 72.37 ], [ 267896.1202706127, 1491771.0687066622, 54.91 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6791_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6791_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6791_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6791_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8558359, 13.48488382, 54.91, 144.8568101, 13.48659151, 72.37 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.85585108260796, 13.484883822524864, 54.91 ], [ 144.85583592087707, 13.486583313661503, 54.91 ], [ 144.85679490190293, 13.486591506276415, 72.37 ], [ 144.85681005686618, 13.48489201407064, 72.37 ], [ 144.85585108260796, 13.484883822524864, 54.91 ] ] ] }, "id": "20070218_6791_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6791_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 1487, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 267961.2371, "count": 1487, "maximum": 267999.9803, "minimum": 267896.1203, "name": "X", "position": 0, "stddev": 26.17736176, "variance": 685.2542689 }, { "average": 1491882.347, "count": 1487, "maximum": 1491959.149, "minimum": 1491771.069, "name": "Y", "position": 1, "stddev": 44.41346641, "variance": 1972.555998 }, { "average": 63.59041022, "count": 1487, "maximum": 72.37, "minimum": 54.91, "name": "Z", "position": 2, "stddev": 3.211868997, "variance": 10.31610246 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1487, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1487, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 1487, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1487, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1487, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 267896.1203, 1491771.069, 54.91, 267999.9803, 1491959.149, 72.37 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 267896.1202706127, 1491771.0687066622, 54.91 ], [ 267896.1202706127, 1491959.1487066622, 54.91 ], [ 267999.9802706127, 1491959.1487066622, 72.37 ], [ 267999.9802706127, 1491771.0687066622, 72.37 ], [ 267896.1202706127, 1491771.0687066622, 54.91 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6094_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.78275973114518, 13.504390367990492, -49.245 ], [ 144.78269122031998, 13.511803489362702, -49.245 ], [ 144.78747199610103, 13.51184576285569, 66.455 ], [ 144.78754035948162, 13.5044326174415, 66.455 ], [ 144.78275973114518, 13.504390367990492, -49.245 ] ] ] }, "bbox": [ 144.7826912, 13.50439037, -49.245, 144.7875404, 13.51184576, 66.455 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 18293, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 260177.2937, "count": 18293, "maximum": 260517.7631, "minimum": 260000.0231, "name": "X", "position": 0, "stddev": 123.2528752, "variance": 15191.27125 }, { "average": 1494472.841, "count": 18293, "maximum": 1494820.484, "minimum": 1494000.044, "name": "Y", "position": 1, "stddev": 225.4755903, "variance": 50839.2418 }, { "average": -5.824359864, "count": 18293, "maximum": 66.455, "minimum": -49.245, "name": "Z", "position": 2, "stddev": 27.92073373, "variance": 779.5673718 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 18293, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 18293, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.0153064, "count": 18293, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.419571159, "variance": 2.015182277 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 18293, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 260000.0231, 1494000.044, -49.245, 260517.7631, 1494820.484, 66.455 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 260000.02306615963, 1494000.0437706888, -49.245 ], [ 260000.02306615963, 1494820.4837706888, -49.245 ], [ 260517.76306615962, 1494820.4837706888, 66.455 ], [ 260517.76306615962, 1494000.0437706888, 66.455 ], [ 260000.02306615963, 1494000.0437706888, -49.245 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6094_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6094_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6094_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6094_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7826912, 13.50439037, -49.245, 144.7875404, 13.51184576, 66.455 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.78275973114518, 13.504390367990492, -49.245 ], [ 144.78269122031998, 13.511803489362702, -49.245 ], [ 144.78747199610103, 13.51184576285569, 66.455 ], [ 144.78754035948162, 13.5044326174415, 66.455 ], [ 144.78275973114518, 13.504390367990492, -49.245 ] ] ] }, "id": "20070218_6094_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6094_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 18293, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 260177.2937, "count": 18293, "maximum": 260517.7631, "minimum": 260000.0231, "name": "X", "position": 0, "stddev": 123.2528752, "variance": 15191.27125 }, { "average": 1494472.841, "count": 18293, "maximum": 1494820.484, "minimum": 1494000.044, "name": "Y", "position": 1, "stddev": 225.4755903, "variance": 50839.2418 }, { "average": -5.824359864, "count": 18293, "maximum": 66.455, "minimum": -49.245, "name": "Z", "position": 2, "stddev": 27.92073373, "variance": 779.5673718 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 18293, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 18293, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.0153064, "count": 18293, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.419571159, "variance": 2.015182277 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 18293, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 18293, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 260000.0231, 1494000.044, -49.245, 260517.7631, 1494820.484, 66.455 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 260000.02306615963, 1494000.0437706888, -49.245 ], [ 260000.02306615963, 1494820.4837706888, -49.245 ], [ 260517.76306615962, 1494820.4837706888, 66.455 ], [ 260517.76306615962, 1494000.0437706888, 66.455 ], [ 260000.02306615963, 1494000.0437706888, -49.245 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7596_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.9211173788488, 13.523649732370322, -19.35 ], [ 144.92103896316476, 13.53268590399251, -19.35 ], [ 144.93027104408404, 13.532762461986877, 185.15 ], [ 144.93034911211956, 13.52372623738481, 185.15 ], [ 144.9211173788488, 13.523649732370322, -19.35 ] ] ] }, "bbox": [ 144.921039, 13.52364973, -19.35, 144.9303491, 13.53276246, 185.15 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 197905, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 275676.9073, "count": 197905, "maximum": 275999.9797, "minimum": 275000.3597, "name": "X", "position": 0, "stddev": 210.428767, "variance": 44280.26599 }, { "average": 1496385.04, "count": 197905, "maximum": 1496999.96, "minimum": 1495999.98, "name": "Y", "position": 1, "stddev": 273.441762, "variance": 74770.39722 }, { "average": 24.21762512, "count": 197905, "maximum": 185.15, "minimum": -19.35, "name": "Z", "position": 2, "stddev": 28.89476295, "variance": 834.907326 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 197905, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 197905, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.40098532, "count": 197905, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.199263407, "variance": 1.438232718 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 197905, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 275000.3597, 1495999.98, -19.35, 275999.9797, 1496999.96, 185.15 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 275000.3596523081, 1495999.9804771445, -19.35 ], [ 275000.3596523081, 1496999.9604771445, -19.35 ], [ 275999.9796523081, 1496999.9604771445, 185.15 ], [ 275999.9796523081, 1495999.9804771445, 185.15 ], [ 275000.3596523081, 1495999.9804771445, -19.35 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7596_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7596_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7596_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7596_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.921039, 13.52364973, -19.35, 144.9303491, 13.53276246, 185.15 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.9211173788488, 13.523649732370322, -19.35 ], [ 144.92103896316476, 13.53268590399251, -19.35 ], [ 144.93027104408404, 13.532762461986877, 185.15 ], [ 144.93034911211956, 13.52372623738481, 185.15 ], [ 144.9211173788488, 13.523649732370322, -19.35 ] ] ] }, "id": "20070218_7596_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7596_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 197905, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 275676.9073, "count": 197905, "maximum": 275999.9797, "minimum": 275000.3597, "name": "X", "position": 0, "stddev": 210.428767, "variance": 44280.26599 }, { "average": 1496385.04, "count": 197905, "maximum": 1496999.96, "minimum": 1495999.98, "name": "Y", "position": 1, "stddev": 273.441762, "variance": 74770.39722 }, { "average": 24.21762512, "count": 197905, "maximum": 185.15, "minimum": -19.35, "name": "Z", "position": 2, "stddev": 28.89476295, "variance": 834.907326 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 197905, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 197905, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.40098532, "count": 197905, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.199263407, "variance": 1.438232718 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 197905, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 197905, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 275000.3597, 1495999.98, -19.35, 275999.9797, 1496999.96, 185.15 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 275000.3596523081, 1495999.9804771445, -19.35 ], [ 275000.3596523081, 1496999.9604771445, -19.35 ], [ 275999.9796523081, 1496999.9604771445, 185.15 ], [ 275999.9796523081, 1495999.9804771445, 185.15 ], [ 275000.3596523081, 1495999.9804771445, -19.35 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6889_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.85701485262166, 13.461898085453951, -50.855 ], [ 144.85695262109334, 13.468888352616343, -50.855 ], [ 144.86271145302806, 13.46893741040742, -9.455 ], [ 144.86277351766296, 13.461947116880705, -9.455 ], [ 144.85701485262166, 13.461898085453951, -50.855 ] ] ] }, "bbox": [ 144.8569526, 13.46189809, -50.855, 144.8627735, 13.46893741, -9.455 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 30027, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 268193.2004, "count": 30027, "maximum": 268623.7156, "minimum": 267999.9756, "name": "X", "position": 0, "stddev": 142.3941043, "variance": 20276.08093 }, { "average": 1489749.661, "count": 30027, "maximum": 1489999.971, "minimum": 1489226.371, "name": "Y", "position": 1, "stddev": 181.8932131, "variance": 33085.14096 }, { "average": -29.17240733, "count": 30027, "maximum": -9.455, "minimum": -50.855, "name": "Z", "position": 2, "stddev": 9.520948814, "variance": 90.64846632 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 30027, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 30027, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 30027, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 30027, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 267999.9756, 1489226.371, -50.855, 268623.7156, 1489999.971, -9.455 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 267999.9756339564, 1489226.3712906132, -50.855 ], [ 267999.9756339564, 1489999.9712906133, -50.855 ], [ 268623.71563395637, 1489999.9712906133, -9.455 ], [ 268623.71563395637, 1489226.3712906132, -9.455 ], [ 267999.9756339564, 1489226.3712906132, -50.855 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6889_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6889_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6889_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6889_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8569526, 13.46189809, -50.855, 144.8627735, 13.46893741, -9.455 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.85701485262166, 13.461898085453951, -50.855 ], [ 144.85695262109334, 13.468888352616343, -50.855 ], [ 144.86271145302806, 13.46893741040742, -9.455 ], [ 144.86277351766296, 13.461947116880705, -9.455 ], [ 144.85701485262166, 13.461898085453951, -50.855 ] ] ] }, "id": "20070218_6889_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6889_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 30027, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 268193.2004, "count": 30027, "maximum": 268623.7156, "minimum": 267999.9756, "name": "X", "position": 0, "stddev": 142.3941043, "variance": 20276.08093 }, { "average": 1489749.661, "count": 30027, "maximum": 1489999.971, "minimum": 1489226.371, "name": "Y", "position": 1, "stddev": 181.8932131, "variance": 33085.14096 }, { "average": -29.17240733, "count": 30027, "maximum": -9.455, "minimum": -50.855, "name": "Z", "position": 2, "stddev": 9.520948814, "variance": 90.64846632 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 30027, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 30027, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 30027, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 30027, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 30027, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 267999.9756, 1489226.371, -50.855, 268623.7156, 1489999.971, -9.455 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 267999.9756339564, 1489226.3712906132, -50.855 ], [ 267999.9756339564, 1489999.9712906133, -50.855 ], [ 268623.71563395637, 1489999.9712906133, -9.455 ], [ 268623.71563395637, 1489226.3712906132, -9.455 ], [ 267999.9756339564, 1489226.3712906132, -50.855 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5769_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.7571525680859, 13.278256714333102, -50.31 ], [ 144.75706956400728, 13.287291898946815, -50.31 ], [ 144.76629442007916, 13.287373064168936, 30.53 ], [ 144.76637708346155, 13.278337822428345, 30.53 ], [ 144.7571525680859, 13.278256714333102, -50.31 ] ] ] }, "bbox": [ 144.7570696, 13.27825671, -50.31, 144.7663771, 13.28737306, 30.53 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 92570, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 257528.2308, "count": 92570, "maximum": 257999.9574, "minimum": 256999.9974, "name": "X", "position": 0, "stddev": 277.4085833, "variance": 76955.52207 }, { "average": 1469507.597, "count": 92570, "maximum": 1469999.949, "minimum": 1468999.989, "name": "Y", "position": 1, "stddev": 277.2666412, "variance": 76876.79031 }, { "average": -3.671866155, "count": 92570, "maximum": 30.53, "minimum": -50.31, "name": "Z", "position": 2, "stddev": 13.74787202, "variance": 189.0039852 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 92570, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 92570, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.54277844, "count": 92570, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.499397976, "variance": 2.248194292 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 92570, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 256999.9974, 1468999.989, -50.31, 257999.9574, 1469999.949, 30.53 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 256999.9973956196, 1468999.988754454, -50.31 ], [ 256999.9973956196, 1469999.948754454, -50.31 ], [ 257999.95739561963, 1469999.948754454, 30.53 ], [ 257999.95739561963, 1468999.988754454, 30.53 ], [ 256999.9973956196, 1468999.988754454, -50.31 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5769_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5769_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5769_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5769_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7570696, 13.27825671, -50.31, 144.7663771, 13.28737306, 30.53 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.7571525680859, 13.278256714333102, -50.31 ], [ 144.75706956400728, 13.287291898946815, -50.31 ], [ 144.76629442007916, 13.287373064168936, 30.53 ], [ 144.76637708346155, 13.278337822428345, 30.53 ], [ 144.7571525680859, 13.278256714333102, -50.31 ] ] ] }, "id": "20070218_5769_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5769_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 92570, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 257528.2308, "count": 92570, "maximum": 257999.9574, "minimum": 256999.9974, "name": "X", "position": 0, "stddev": 277.4085833, "variance": 76955.52207 }, { "average": 1469507.597, "count": 92570, "maximum": 1469999.949, "minimum": 1468999.989, "name": "Y", "position": 1, "stddev": 277.2666412, "variance": 76876.79031 }, { "average": -3.671866155, "count": 92570, "maximum": 30.53, "minimum": -50.31, "name": "Z", "position": 2, "stddev": 13.74787202, "variance": 189.0039852 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 92570, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 92570, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.54277844, "count": 92570, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.499397976, "variance": 2.248194292 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 92570, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 92570, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 256999.9974, 1468999.989, -50.31, 257999.9574, 1469999.949, 30.53 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 256999.9973956196, 1468999.988754454, -50.31 ], [ 256999.9973956196, 1469999.948754454, -50.31 ], [ 257999.95739561963, 1469999.948754454, 30.53 ], [ 257999.95739561963, 1468999.988754454, 30.53 ], [ 256999.9973956196, 1468999.988754454, -50.31 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6185_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.79816132548117, 13.4239875170133, -33.775 ], [ 144.79809712514822, 13.431026504278725, -33.775 ], [ 144.80189805189394, 13.43105970283416, 73.625 ], [ 144.8019621415379, 13.424020697498708, 73.625 ], [ 144.79816132548117, 13.4239875170133, -33.775 ] ] ] }, "bbox": [ 144.7980971, 13.42398752, -33.775, 144.8019621, 13.4310597, 73.625 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 15860, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 261867.952, "count": 15860, "maximum": 261999.9794, "minimum": 261588.2194, "name": "X", "position": 0, "stddev": 98.03329966, "variance": 9610.527842 }, { "average": 1485486.809, "count": 15860, "maximum": 1485866.367, "minimum": 1485087.347, "name": "Y", "position": 1, "stddev": 205.1188532, "variance": 42073.74395 }, { "average": 21.31989723, "count": 15860, "maximum": 73.625, "minimum": -33.775, "name": "Z", "position": 2, "stddev": 30.31014747, "variance": 918.7050396 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 15860, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 15860, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.84010088, "count": 15860, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.460981167, "variance": 2.134465971 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 15860, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 261588.2194, 1485087.347, -33.775, 261999.9794, 1485866.367, 73.625 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 261588.21937725143, 1485087.347069461, -33.775 ], [ 261588.21937725143, 1485866.367069461, -33.775 ], [ 261999.97937725144, 1485866.367069461, 73.625 ], [ 261999.97937725144, 1485087.347069461, 73.625 ], [ 261588.21937725143, 1485087.347069461, -33.775 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6185_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6185_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6185_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6185_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7980971, 13.42398752, -33.775, 144.8019621, 13.4310597, 73.625 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.79816132548117, 13.4239875170133, -33.775 ], [ 144.79809712514822, 13.431026504278725, -33.775 ], [ 144.80189805189394, 13.43105970283416, 73.625 ], [ 144.8019621415379, 13.424020697498708, 73.625 ], [ 144.79816132548117, 13.4239875170133, -33.775 ] ] ] }, "id": "20070218_6185_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6185_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 15860, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 261867.952, "count": 15860, "maximum": 261999.9794, "minimum": 261588.2194, "name": "X", "position": 0, "stddev": 98.03329966, "variance": 9610.527842 }, { "average": 1485486.809, "count": 15860, "maximum": 1485866.367, "minimum": 1485087.347, "name": "Y", "position": 1, "stddev": 205.1188532, "variance": 42073.74395 }, { "average": 21.31989723, "count": 15860, "maximum": 73.625, "minimum": -33.775, "name": "Z", "position": 2, "stddev": 30.31014747, "variance": 918.7050396 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 15860, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 15860, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.84010088, "count": 15860, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.460981167, "variance": 2.134465971 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 15860, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 15860, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 261588.2194, 1485087.347, -33.775, 261999.9794, 1485866.367, 73.625 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 261588.21937725143, 1485087.347069461, -33.775 ], [ 261588.21937725143, 1485866.367069461, -33.775 ], [ 261999.97937725144, 1485866.367069461, 73.625 ], [ 261999.97937725144, 1485087.347069461, 73.625 ], [ 261588.21937725143, 1485087.347069461, -33.775 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5770_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.75914199259614, 13.287310461320072, -16.24 ], [ 144.75905900843856, 13.296345109651323, -16.24 ], [ 144.76621196415647, 13.296408058001914, 68.18 ], [ 144.76629468396882, 13.287373365397228, 68.18 ], [ 144.75914199259614, 13.287310461320072, -16.24 ] ] ] }, "bbox": [ 144.759059, 13.28731046, -16.24, 144.7662947, 13.29640806, 68.18 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 41377, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 257729.4698, "count": 41377, "maximum": 257999.9863, "minimum": 257224.6463, "name": "X", "position": 0, "stddev": 195.4497777, "variance": 38200.61561 }, { "average": 1470393.369, "count": 41377, "maximum": 1470999.882, "minimum": 1469999.982, "name": "Y", "position": 1, "stddev": 277.6370545, "variance": 77082.33402 }, { "average": 12.15076903, "count": 41377, "maximum": 68.18, "minimum": -16.24, "name": "Z", "position": 2, "stddev": 17.40187802, "variance": 302.8253587 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 41377, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 41377, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.31686686, "count": 41377, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.258080597, "variance": 1.582766788 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 41377, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 257224.6463, 1469999.982, -16.24, 257999.9863, 1470999.882, 68.18 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 257224.64629727651, 1469999.9818332999, -16.24 ], [ 257224.64629727651, 1470999.8818332998, -16.24 ], [ 257999.98629727654, 1470999.8818332998, 68.18 ], [ 257999.98629727654, 1469999.9818332999, 68.18 ], [ 257224.64629727651, 1469999.9818332999, -16.24 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5770_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5770_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5770_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5770_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.759059, 13.28731046, -16.24, 144.7662947, 13.29640806, 68.18 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.75914199259614, 13.287310461320072, -16.24 ], [ 144.75905900843856, 13.296345109651323, -16.24 ], [ 144.76621196415647, 13.296408058001914, 68.18 ], [ 144.76629468396882, 13.287373365397228, 68.18 ], [ 144.75914199259614, 13.287310461320072, -16.24 ] ] ] }, "id": "20070218_5770_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5770_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 41377, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 257729.4698, "count": 41377, "maximum": 257999.9863, "minimum": 257224.6463, "name": "X", "position": 0, "stddev": 195.4497777, "variance": 38200.61561 }, { "average": 1470393.369, "count": 41377, "maximum": 1470999.882, "minimum": 1469999.982, "name": "Y", "position": 1, "stddev": 277.6370545, "variance": 77082.33402 }, { "average": 12.15076903, "count": 41377, "maximum": 68.18, "minimum": -16.24, "name": "Z", "position": 2, "stddev": 17.40187802, "variance": 302.8253587 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 41377, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 41377, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.31686686, "count": 41377, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.258080597, "variance": 1.582766788 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 41377, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 41377, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 257224.6463, 1469999.982, -16.24, 257999.9863, 1470999.882, 68.18 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 257224.64629727651, 1469999.9818332999, -16.24 ], [ 257224.64629727651, 1470999.8818332998, -16.24 ], [ 257999.98629727654, 1470999.8818332998, 68.18 ], [ 257999.98629727654, 1469999.9818332999, 68.18 ], [ 257224.64629727651, 1469999.9818332999, -16.24 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6890_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.8569526626211, 13.468888635135936, -50.2 ], [ 144.85687216818982, 13.477924471234141, -50.2 ], [ 144.8661052695167, 13.478003113050816, 25.94 ], [ 144.86618541801198, 13.468967222453527, 25.94 ], [ 144.8569526626211, 13.468888635135936, -50.2 ] ] ] }, "bbox": [ 144.8568722, 13.46888864, -50.2, 144.8661854, 13.47800311, 25.94 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 118545, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 268542.5901, "count": 118545, "maximum": 268999.9804, "minimum": 267999.9804, "name": "X", "position": 0, "stddev": 268.6313, "variance": 72162.77536 }, { "average": 1490529.446, "count": 118545, "maximum": 1490999.983, "minimum": 1490000.003, "name": "Y", "position": 1, "stddev": 273.5063359, "variance": 74805.71575 }, { "average": -9.748326037, "count": 118545, "maximum": 25.94, "minimum": -50.2, "name": "Z", "position": 2, "stddev": 16.46279601, "variance": 271.0236524 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 118545, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 118545, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.92954574, "count": 118545, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.387298877, "variance": 1.924598175 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 118545, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 267999.9804, 1490000.003, -50.2, 268999.9804, 1490999.983, 25.94 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 267999.98040397454, 1490000.0025149712, -50.2 ], [ 267999.98040397454, 1490999.9825149712, -50.2 ], [ 268999.98040397454, 1490999.9825149712, 25.94 ], [ 268999.98040397454, 1490000.0025149712, 25.94 ], [ 267999.98040397454, 1490000.0025149712, -50.2 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6890_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6890_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6890_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6890_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8568722, 13.46888864, -50.2, 144.8661854, 13.47800311, 25.94 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.8569526626211, 13.468888635135936, -50.2 ], [ 144.85687216818982, 13.477924471234141, -50.2 ], [ 144.8661052695167, 13.478003113050816, 25.94 ], [ 144.86618541801198, 13.468967222453527, 25.94 ], [ 144.8569526626211, 13.468888635135936, -50.2 ] ] ] }, "id": "20070218_6890_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6890_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 118545, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 268542.5901, "count": 118545, "maximum": 268999.9804, "minimum": 267999.9804, "name": "X", "position": 0, "stddev": 268.6313, "variance": 72162.77536 }, { "average": 1490529.446, "count": 118545, "maximum": 1490999.983, "minimum": 1490000.003, "name": "Y", "position": 1, "stddev": 273.5063359, "variance": 74805.71575 }, { "average": -9.748326037, "count": 118545, "maximum": 25.94, "minimum": -50.2, "name": "Z", "position": 2, "stddev": 16.46279601, "variance": 271.0236524 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 118545, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 118545, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.92954574, "count": 118545, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.387298877, "variance": 1.924598175 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 118545, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 118545, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 267999.9804, 1490000.003, -50.2, 268999.9804, 1490999.983, 25.94 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 267999.98040397454, 1490000.0025149712, -50.2 ], [ 267999.98040397454, 1490999.9825149712, -50.2 ], [ 268999.98040397454, 1490999.9825149712, 25.94 ], [ 268999.98040397454, 1490000.0025149712, 25.94 ], [ 267999.98040397454, 1490000.0025149712, -50.2 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7597_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.92783794021383, 13.53274286225625, 31.935 ], [ 144.92778169132103, 13.53924183066497, 31.935 ], [ 144.93021497146583, 13.539261985314715, 184.215 ], [ 144.93027115441578, 13.532763006876552, 184.215 ], [ 144.92783794021383, 13.53274286225625, 31.935 ] ] ] }, "bbox": [ 144.9277817, 13.53274286, 31.935, 144.9302712, 13.53926199, 184.215 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 13792, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 275923.4743, "count": 13792, "maximum": 275999.9921, "minimum": 275736.5321, "name": "X", "position": 0, "stddev": 62.16418624, "variance": 3864.38605 }, { "average": 1497183.725, "count": 13792, "maximum": 1497719.221, "minimum": 1497000.021, "name": "Y", "position": 1, "stddev": 163.7355187, "variance": 26809.32009 }, { "average": 109.5383563, "count": 13792, "maximum": 184.215, "minimum": 31.935, "name": "Z", "position": 2, "stddev": 41.35566934, "variance": 1710.291387 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13792, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13792, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 13792, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13792, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 275736.5321, 1497000.021, 31.935, 275999.9921, 1497719.221, 184.215 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 275736.5321076462, 1497000.020671222, 31.935 ], [ 275736.5321076462, 1497719.220671222, 31.935 ], [ 275999.9921076462, 1497719.220671222, 184.215 ], [ 275999.9921076462, 1497000.020671222, 184.215 ], [ 275736.5321076462, 1497000.020671222, 31.935 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7597_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7597_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7597_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7597_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9277817, 13.53274286, 31.935, 144.9302712, 13.53926199, 184.215 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.92783794021383, 13.53274286225625, 31.935 ], [ 144.92778169132103, 13.53924183066497, 31.935 ], [ 144.93021497146583, 13.539261985314715, 184.215 ], [ 144.93027115441578, 13.532763006876552, 184.215 ], [ 144.92783794021383, 13.53274286225625, 31.935 ] ] ] }, "id": "20070218_7597_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7597_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 13792, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 275923.4743, "count": 13792, "maximum": 275999.9921, "minimum": 275736.5321, "name": "X", "position": 0, "stddev": 62.16418624, "variance": 3864.38605 }, { "average": 1497183.725, "count": 13792, "maximum": 1497719.221, "minimum": 1497000.021, "name": "Y", "position": 1, "stddev": 163.7355187, "variance": 26809.32009 }, { "average": 109.5383563, "count": 13792, "maximum": 184.215, "minimum": 31.935, "name": "Z", "position": 2, "stddev": 41.35566934, "variance": 1710.291387 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13792, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13792, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 13792, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 13792, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 13792, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 275736.5321, 1497000.021, 31.935, 275999.9921, 1497719.221, 184.215 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 275736.5321076462, 1497000.020671222, 31.935 ], [ 275736.5321076462, 1497719.220671222, 31.935 ], [ 275999.9921076462, 1497719.220671222, 184.215 ], [ 275999.9921076462, 1497000.020671222, 184.215 ], [ 275736.5321076462, 1497000.020671222, 31.935 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6285_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.8019577508586, 13.424512042754124, -50.1 ], [ 144.80188713734762, 13.432267037880603, -50.1 ], [ 144.81111796897952, 13.432347431390445, 104.6 ], [ 144.81118828634558, 13.424592388082765, 104.6 ], [ 144.8019577508586, 13.424512042754124, -50.1 ] ] ] }, "bbox": [ 144.8018871, 13.42451204, -50.1, 144.8111883, 13.43234743, 104.6 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 109735, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 262471.8052, "count": 109735, "maximum": 262999.9682, "minimum": 261999.9882, "name": "X", "position": 0, "stddev": 270.4878559, "variance": 73163.68021 }, { "average": 1485617.836, "count": 109735, "maximum": 1485999.985, "minimum": 1485141.725, "name": "Y", "position": 1, "stddev": 225.2941126, "variance": 50757.43718 }, { "average": 25.45603554, "count": 109735, "maximum": 104.6, "minimum": -50.1, "name": "Z", "position": 2, "stddev": 36.94742426, "variance": 1365.11216 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 109735, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 109735, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.8802661, "count": 109735, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.451005473, "variance": 2.105416883 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 109735, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 261999.9882, 1485141.725, -50.1, 262999.9682, 1485999.985, 104.6 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 261999.9882342557, 1485141.7250807364, -50.1 ], [ 261999.9882342557, 1485999.9850807362, -50.1 ], [ 262999.9682342557, 1485999.9850807362, 104.6 ], [ 262999.9682342557, 1485141.7250807364, 104.6 ], [ 261999.9882342557, 1485141.7250807364, -50.1 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6285_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6285_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6285_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6285_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8018871, 13.42451204, -50.1, 144.8111883, 13.43234743, 104.6 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.8019577508586, 13.424512042754124, -50.1 ], [ 144.80188713734762, 13.432267037880603, -50.1 ], [ 144.81111796897952, 13.432347431390445, 104.6 ], [ 144.81118828634558, 13.424592388082765, 104.6 ], [ 144.8019577508586, 13.424512042754124, -50.1 ] ] ] }, "id": "20070218_6285_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6285_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 109735, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 262471.8052, "count": 109735, "maximum": 262999.9682, "minimum": 261999.9882, "name": "X", "position": 0, "stddev": 270.4878559, "variance": 73163.68021 }, { "average": 1485617.836, "count": 109735, "maximum": 1485999.985, "minimum": 1485141.725, "name": "Y", "position": 1, "stddev": 225.2941126, "variance": 50757.43718 }, { "average": 25.45603554, "count": 109735, "maximum": 104.6, "minimum": -50.1, "name": "Z", "position": 2, "stddev": 36.94742426, "variance": 1365.11216 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 109735, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 109735, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.8802661, "count": 109735, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.451005473, "variance": 2.105416883 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 109735, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 109735, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 261999.9882, 1485141.725, -50.1, 262999.9682, 1485999.985, 104.6 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 261999.9882342557, 1485141.7250807364, -50.1 ], [ 261999.9882342557, 1485999.9850807362, -50.1 ], [ 262999.9682342557, 1485999.9850807362, 104.6 ], [ 262999.9682342557, 1485141.7250807364, 104.6 ], [ 261999.9882342557, 1485141.7250807364, -50.1 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7600_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.9341850464237, 13.559906380458964, -13.545 ], [ 144.934106906552, 13.568942600986503, -13.545 ], [ 144.93919523016186, 13.568984676340989, 151.275 ], [ 144.93927317787742, 13.559948426762602, 151.275 ], [ 144.9341850464237, 13.559906380458964, -13.545 ] ] ] }, "bbox": [ 144.9341069, 13.55990638, -13.545, 144.9392732, 13.56898468, 151.275 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 24114, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 276841.5392, "count": 24114, "maximum": 276999.9792, "minimum": 276449.1192, "name": "X", "position": 0, "stddev": 122.9609859, "variance": 15119.40406 }, { "average": 1500519.531, "count": 24114, "maximum": 1500999.983, "minimum": 1500000.003, "name": "Y", "position": 1, "stddev": 360.6887946, "variance": 130096.4065 }, { "average": 81.30245169, "count": 24114, "maximum": 151.275, "minimum": -13.545, "name": "Z", "position": 2, "stddev": 50.31617821, "variance": 2531.717789 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 24114, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 24114, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.76611097, "count": 24114, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.8043567833, "variance": 0.6469898348 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 24114, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 276449.1192, 1500000.003, -13.545, 276999.9792, 1500999.983, 151.275 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276449.11923582817, 1500000.0031250578, -13.545 ], [ 276449.11923582817, 1500999.9831250578, -13.545 ], [ 276999.97923582816, 1500999.9831250578, 151.275 ], [ 276999.97923582816, 1500000.0031250578, 151.275 ], [ 276449.11923582817, 1500000.0031250578, -13.545 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7600_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7600_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7600_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7600_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9341069, 13.55990638, -13.545, 144.9392732, 13.56898468, 151.275 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.9341850464237, 13.559906380458964, -13.545 ], [ 144.934106906552, 13.568942600986503, -13.545 ], [ 144.93919523016186, 13.568984676340989, 151.275 ], [ 144.93927317787742, 13.559948426762602, 151.275 ], [ 144.9341850464237, 13.559906380458964, -13.545 ] ] ] }, "id": "20070218_7600_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7600_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 24114, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 276841.5392, "count": 24114, "maximum": 276999.9792, "minimum": 276449.1192, "name": "X", "position": 0, "stddev": 122.9609859, "variance": 15119.40406 }, { "average": 1500519.531, "count": 24114, "maximum": 1500999.983, "minimum": 1500000.003, "name": "Y", "position": 1, "stddev": 360.6887946, "variance": 130096.4065 }, { "average": 81.30245169, "count": 24114, "maximum": 151.275, "minimum": -13.545, "name": "Z", "position": 2, "stddev": 50.31617821, "variance": 2531.717789 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 24114, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 24114, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.76611097, "count": 24114, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.8043567833, "variance": 0.6469898348 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 24114, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 24114, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 276449.1192, 1500000.003, -13.545, 276999.9792, 1500999.983, 151.275 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276449.11923582817, 1500000.0031250578, -13.545 ], [ 276449.11923582817, 1500999.9831250578, -13.545 ], [ 276999.97923582816, 1500999.9831250578, 151.275 ], [ 276999.97923582816, 1500000.0031250578, 151.275 ], [ 276449.11923582817, 1500000.0031250578, -13.545 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5771_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.76186477108996, 13.296370875753391, 35.455 ], [ 144.76182808146893, 13.300368209363178, 35.455 ], [ 144.76617524696854, 13.300406453134702, 111.365 ], [ 144.7662118654723, 13.296409107627364, 111.365 ], [ 144.76186477108996, 13.296370875753391, 35.455 ] ] ] }, "bbox": [ 144.7618281, 13.29637088, 35.455, 144.7662119, 13.30040645, 111.365 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 14265, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 257809.0566, "count": 14265, "maximum": 257999.9766, "minimum": 257528.7766, "name": "X", "position": 0, "stddev": 126.4159945, "variance": 15981.00366 }, { "average": 1471254.255, "count": 14265, "maximum": 1471442.398, "minimum": 1470999.998, "name": "Y", "position": 1, "stddev": 93.28916721, "variance": 8702.868719 }, { "average": 64.97995058, "count": 14265, "maximum": 111.365, "minimum": 35.455, "name": "Z", "position": 2, "stddev": 15.84671725, "variance": 251.1184476 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 14265, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 14265, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 14265, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 14265, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 257528.7766, 1470999.998, 35.455, 257999.9766, 1471442.398, 111.365 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 257528.77664334895, 1470999.9980855507, 35.455 ], [ 257528.77664334895, 1471442.3980855506, 35.455 ], [ 257999.97664334896, 1471442.3980855506, 111.365 ], [ 257999.97664334896, 1470999.9980855507, 111.365 ], [ 257528.77664334895, 1470999.9980855507, 35.455 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5771_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5771_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5771_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5771_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7618281, 13.29637088, 35.455, 144.7662119, 13.30040645, 111.365 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.76186477108996, 13.296370875753391, 35.455 ], [ 144.76182808146893, 13.300368209363178, 35.455 ], [ 144.76617524696854, 13.300406453134702, 111.365 ], [ 144.7662118654723, 13.296409107627364, 111.365 ], [ 144.76186477108996, 13.296370875753391, 35.455 ] ] ] }, "id": "20070218_5771_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5771_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 14265, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 257809.0566, "count": 14265, "maximum": 257999.9766, "minimum": 257528.7766, "name": "X", "position": 0, "stddev": 126.4159945, "variance": 15981.00366 }, { "average": 1471254.255, "count": 14265, "maximum": 1471442.398, "minimum": 1470999.998, "name": "Y", "position": 1, "stddev": 93.28916721, "variance": 8702.868719 }, { "average": 64.97995058, "count": 14265, "maximum": 111.365, "minimum": 35.455, "name": "Z", "position": 2, "stddev": 15.84671725, "variance": 251.1184476 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 14265, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 14265, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 14265, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 14265, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14265, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 257528.7766, 1470999.998, 35.455, 257999.9766, 1471442.398, 111.365 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 257528.77664334895, 1470999.9980855507, 35.455 ], [ 257528.77664334895, 1471442.3980855506, 35.455 ], [ 257999.97664334896, 1471442.3980855506, 111.365 ], [ 257999.97664334896, 1470999.9980855507, 111.365 ], [ 257528.77664334895, 1470999.9980855507, 35.455 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6891_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.8568722338894, 13.477924677059223, -15.4995 ], [ 144.85679666639425, 13.48640135786792, -15.4995 ], [ 144.8660299079736, 13.486480049332284, 65.4605 ], [ 144.86610515056196, 13.478003317305207, 65.4605 ], [ 144.8568722338894, 13.477924677059223, -15.4995 ] ] ] }, "bbox": [ 144.8567967, 13.47792468, -15.4995, 144.8661052, 13.48648005, 65.4605 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 47594, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 268581.5564, "count": 47594, "maximum": 268999.9677, "minimum": 267999.9877, "name": "X", "position": 0, "stddev": 277.7093448, "variance": 77122.48018 }, { "average": 1491329.579, "count": 47594, "maximum": 1491938.105, "minimum": 1491000.005, "name": "Y", "position": 1, "stddev": 227.2093883, "variance": 51624.10612 }, { "average": 22.98341444, "count": 47594, "maximum": 65.4605, "minimum": -15.4995, "name": "Z", "position": 2, "stddev": 17.6918727, "variance": 313.0023595 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 47594, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 47594, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.77957306, "count": 47594, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.7827551785, "variance": 0.6127056694 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 47594, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 267999.9877, 1491000.005, -15.4995, 268999.9677, 1491938.105, 65.4605 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 267999.98771775555, 1491000.005229488, -15.4995 ], [ 267999.98771775555, 1491938.105229488, -15.4995 ], [ 268999.9677177555, 1491938.105229488, 65.4605 ], [ 268999.9677177555, 1491000.005229488, 65.4605 ], [ 267999.98771775555, 1491000.005229488, -15.4995 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6891_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6891_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6891_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6891_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8567967, 13.47792468, -15.4995, 144.8661052, 13.48648005, 65.4605 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.8568722338894, 13.477924677059223, -15.4995 ], [ 144.85679666639425, 13.48640135786792, -15.4995 ], [ 144.8660299079736, 13.486480049332284, 65.4605 ], [ 144.86610515056196, 13.478003317305207, 65.4605 ], [ 144.8568722338894, 13.477924677059223, -15.4995 ] ] ] }, "id": "20070218_6891_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6891_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 47594, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 268581.5564, "count": 47594, "maximum": 268999.9677, "minimum": 267999.9877, "name": "X", "position": 0, "stddev": 277.7093448, "variance": 77122.48018 }, { "average": 1491329.579, "count": 47594, "maximum": 1491938.105, "minimum": 1491000.005, "name": "Y", "position": 1, "stddev": 227.2093883, "variance": 51624.10612 }, { "average": 22.98341444, "count": 47594, "maximum": 65.4605, "minimum": -15.4995, "name": "Z", "position": 2, "stddev": 17.6918727, "variance": 313.0023595 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 47594, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 47594, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.77957306, "count": 47594, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.7827551785, "variance": 0.6127056694 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 47594, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 47594, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 267999.9877, 1491000.005, -15.4995, 268999.9677, 1491938.105, 65.4605 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 267999.98771775555, 1491000.005229488, -15.4995 ], [ 267999.98771775555, 1491938.105229488, -15.4995 ], [ 268999.9677177555, 1491938.105229488, 65.4605 ], [ 268999.9677177555, 1491000.005229488, 65.4605 ], [ 267999.98771775555, 1491000.005229488, -15.4995 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_5776_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.76470546131202, 13.34805159945567, 37.795 ], [ 144.76469588055713, 13.349092675043977, 37.795 ], [ 144.7657269711074, 13.34910177178442, 53.305 ], [ 144.76573654745152, 13.348060695461372, 53.305 ], [ 144.76470546131202, 13.34805159945567, 37.795 ] ] ] }, "bbox": [ 144.7646959, 13.3480516, 37.795, 144.7657365, 13.34910177, 53.305 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 1532, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 257945.586, "count": 1532, "maximum": 257999.8438, "minimum": 257888.1038, "name": "X", "position": 0, "stddev": 31.78331776, "variance": 1010.179288 }, { "average": 1476774.477, "count": 1532, "maximum": 1476831.69, "minimum": 1476716.47, "name": "Y", "position": 1, "stddev": 35.14920319, "variance": 1235.466485 }, { "average": 46.70917755, "count": 1532, "maximum": 53.305, "minimum": 37.795, "name": "Z", "position": 2, "stddev": 2.894785314, "variance": 8.379782014 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1532, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1532, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 1532, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1532, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 257888.1038, 1476716.47, 37.795, 257999.8438, 1476831.69, 53.305 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 257888.10380646677, 1476716.4701776367, 37.795 ], [ 257888.10380646677, 1476831.690177637, 37.795 ], [ 257999.84380646676, 1476831.690177637, 53.305 ], [ 257999.84380646676, 1476716.4701776367, 53.305 ], [ 257888.10380646677, 1476716.4701776367, 37.795 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_5776_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_5776_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_5776_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5776_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7646959, 13.3480516, 37.795, 144.7657365, 13.34910177, 53.305 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.76470546131202, 13.34805159945567, 37.795 ], [ 144.76469588055713, 13.349092675043977, 37.795 ], [ 144.7657269711074, 13.34910177178442, 53.305 ], [ 144.76573654745152, 13.348060695461372, 53.305 ], [ 144.76470546131202, 13.34805159945567, 37.795 ] ] ] }, "id": "20070218_5776_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_5776_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 1532, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 257945.586, "count": 1532, "maximum": 257999.8438, "minimum": 257888.1038, "name": "X", "position": 0, "stddev": 31.78331776, "variance": 1010.179288 }, { "average": 1476774.477, "count": 1532, "maximum": 1476831.69, "minimum": 1476716.47, "name": "Y", "position": 1, "stddev": 35.14920319, "variance": 1235.466485 }, { "average": 46.70917755, "count": 1532, "maximum": 53.305, "minimum": 37.795, "name": "Z", "position": 2, "stddev": 2.894785314, "variance": 8.379782014 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1532, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1532, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 1532, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 1532, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1532, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 257888.1038, 1476716.47, 37.795, 257999.8438, 1476831.69, 53.305 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 257888.10380646677, 1476716.4701776367, 37.795 ], [ 257888.10380646677, 1476831.690177637, 37.795 ], [ 257999.84380646676, 1476831.690177637, 53.305 ], [ 257999.84380646676, 1476716.4701776367, 53.305 ], [ 257888.10380646677, 1476716.4701776367, 37.795 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6286_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.8034645528036, 13.432280837741752, -19.745 ], [ 144.80340149190135, 13.439207260796076, -19.745 ], [ 144.81105533566836, 13.439273929662427, 103.375 ], [ 144.81111817726895, 13.432347471015566, 103.375 ], [ 144.8034645528036, 13.432280837741752, -19.745 ] ] ] }, "bbox": [ 144.8034015, 13.43228084, -19.745, 144.8111182, 13.43927393, 103.375 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 60310, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 262699.9107, "count": 60310, "maximum": 262999.9908, "minimum": 262170.8708, "name": "X", "position": 0, "stddev": 197.7969339, "variance": 39123.62706 }, { "average": 1486249.015, "count": 60310, "maximum": 1486766.549, "minimum": 1485999.989, "name": "Y", "position": 1, "stddev": 166.3380645, "variance": 27668.3517 }, { "average": 59.46472376, "count": 60310, "maximum": 103.375, "minimum": -19.745, "name": "Z", "position": 2, "stddev": 24.46025623, "variance": 598.3041347 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 60310, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 60310, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.90568728, "count": 60310, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.5234957575, "variance": 0.2740478082 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 60310, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 262170.8708, 1485999.989, -19.745, 262999.9908, 1486766.549, 103.375 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 262170.87083542004, 1485999.989265428, -19.745 ], [ 262170.87083542004, 1486766.549265428, -19.745 ], [ 262999.99083542003, 1486766.549265428, 103.375 ], [ 262999.99083542003, 1485999.989265428, 103.375 ], [ 262170.87083542004, 1485999.989265428, -19.745 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6286_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6286_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6286_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6286_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8034015, 13.43228084, -19.745, 144.8111182, 13.43927393, 103.375 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.8034645528036, 13.432280837741752, -19.745 ], [ 144.80340149190135, 13.439207260796076, -19.745 ], [ 144.81105533566836, 13.439273929662427, 103.375 ], [ 144.81111817726895, 13.432347471015566, 103.375 ], [ 144.8034645528036, 13.432280837741752, -19.745 ] ] ] }, "id": "20070218_6286_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6286_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 60310, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 262699.9107, "count": 60310, "maximum": 262999.9908, "minimum": 262170.8708, "name": "X", "position": 0, "stddev": 197.7969339, "variance": 39123.62706 }, { "average": 1486249.015, "count": 60310, "maximum": 1486766.549, "minimum": 1485999.989, "name": "Y", "position": 1, "stddev": 166.3380645, "variance": 27668.3517 }, { "average": 59.46472376, "count": 60310, "maximum": 103.375, "minimum": -19.745, "name": "Z", "position": 2, "stddev": 24.46025623, "variance": 598.3041347 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 60310, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 60310, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.90568728, "count": 60310, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.5234957575, "variance": 0.2740478082 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 60310, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 60310, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 262170.8708, 1485999.989, -19.745, 262999.9908, 1486766.549, 103.375 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 262170.87083542004, 1485999.989265428, -19.745 ], [ 262170.87083542004, 1486766.549265428, -19.745 ], [ 262999.99083542003, 1486766.549265428, 103.375 ], [ 262999.99083542003, 1485999.989265428, 103.375 ], [ 262170.87083542004, 1485999.989265428, -19.745 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7601_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.9341482027494, 13.56894299251169, 130.14 ], [ 144.93414465384552, 13.569353244974009, 130.14 ], [ 144.93647276286953, 13.569372509169087, 149.4 ], [ 144.93647630778025, 13.568962256102903, 149.4 ], [ 144.9341482027494, 13.56894299251169, 130.14 ] ] ] }, "bbox": [ 144.9341447, 13.56894299, 130.14, 144.9364763, 13.56937251, 149.4 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 790, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 276548.2383, "count": 790, "maximum": 276705.63, "minimum": 276453.59, "name": "X", "position": 0, "stddev": 62.30903983, "variance": 3882.416445 }, { "average": 1501016.811, "count": 790, "maximum": 1501045.389, "minimum": 1500999.989, "name": "Y", "position": 1, "stddev": 11.95182441, "variance": 142.8461068 }, { "average": 142.4146329, "count": 790, "maximum": 149.4, "minimum": 130.14, "name": "Z", "position": 2, "stddev": 2.979464452, "variance": 8.87720842 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 790, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 790, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 790, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 790, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 276453.59, 1500999.989, 130.14, 276705.63, 1501045.389, 149.4 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276453.590000632, 1500999.988616827, 130.14 ], [ 276453.590000632, 1501045.3886168269, 130.14 ], [ 276705.630000632, 1501045.3886168269, 149.4 ], [ 276705.630000632, 1500999.988616827, 149.4 ], [ 276453.590000632, 1500999.988616827, 130.14 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7601_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7601_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7601_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7601_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9341447, 13.56894299, 130.14, 144.9364763, 13.56937251, 149.4 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.9341482027494, 13.56894299251169, 130.14 ], [ 144.93414465384552, 13.569353244974009, 130.14 ], [ 144.93647276286953, 13.569372509169087, 149.4 ], [ 144.93647630778025, 13.568962256102903, 149.4 ], [ 144.9341482027494, 13.56894299251169, 130.14 ] ] ] }, "id": "20070218_7601_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7601_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 790, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 276548.2383, "count": 790, "maximum": 276705.63, "minimum": 276453.59, "name": "X", "position": 0, "stddev": 62.30903983, "variance": 3882.416445 }, { "average": 1501016.811, "count": 790, "maximum": 1501045.389, "minimum": 1500999.989, "name": "Y", "position": 1, "stddev": 11.95182441, "variance": 142.8461068 }, { "average": 142.4146329, "count": 790, "maximum": 149.4, "minimum": 130.14, "name": "Z", "position": 2, "stddev": 2.979464452, "variance": 8.87720842 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 790, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 790, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 14, "count": 790, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 790, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 790, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 276453.59, 1500999.989, 130.14, 276705.63, 1501045.389, 149.4 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276453.590000632, 1500999.988616827, 130.14 ], [ 276453.590000632, 1501045.3886168269, 130.14 ], [ 276705.630000632, 1501045.3886168269, 149.4 ], [ 276705.630000632, 1500999.988616827, 149.4 ], [ 276453.590000632, 1500999.988616827, 130.14 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7694_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.9374233310883, 13.512497339721076, -48.88 ], [ 144.9374233310883, 13.512497339721076, -48.88 ], [ 144.9374233310883, 13.512497339721076, -48.88 ], [ 144.9374233310883, 13.512497339721076, -48.88 ], [ 144.9374233310883, 13.512497339721076, -48.88 ] ] ] }, "bbox": [ 144.9374233, 13.51249734, -48.88, 144.9374233, 13.51249734, -48.88 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 1, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 276755.4639, "count": 1, "maximum": 276755.4639, "minimum": 276755.4639, "name": "X", "position": 0 }, { "average": 1494750.985, "count": 1, "maximum": 1494750.985, "minimum": 1494750.985, "name": "Y", "position": 1 }, { "average": -48.88, "count": 1, "maximum": -48.88, "minimum": -48.88, "name": "Z", "position": 2 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3 }, { "average": 1, "count": 1, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4 }, { "average": 1, "count": 1, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7 }, { "average": 14, "count": 1, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9 }, { "average": 1, "count": 1, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17 } ], "pc:type": "lidar", "proj:bbox": [ 276755.4639, 1494750.985, -48.88, 276755.4639, 1494750.985, -48.88 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276755.4639362199, 1494750.9846257423, -48.88 ], [ 276755.4639362199, 1494750.9846257423, -48.88 ], [ 276755.4639362199, 1494750.9846257423, -48.88 ], [ 276755.4639362199, 1494750.9846257423, -48.88 ], [ 276755.4639362199, 1494750.9846257423, -48.88 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7694_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7694_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7694_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7694_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9374233, 13.51249734, -48.88, 144.9374233, 13.51249734, -48.88 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.9374233310883, 13.512497339721076, -48.88 ], [ 144.9374233310883, 13.512497339721076, -48.88 ], [ 144.9374233310883, 13.512497339721076, -48.88 ], [ 144.9374233310883, 13.512497339721076, -48.88 ], [ 144.9374233310883, 13.512497339721076, -48.88 ] ] ] }, "id": "20070218_7694_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7694_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 1, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 276755.4639, "count": 1, "maximum": 276755.4639, "minimum": 276755.4639, "name": "X", "position": 0 }, { "average": 1494750.985, "count": 1, "maximum": 1494750.985, "minimum": 1494750.985, "name": "Y", "position": 1 }, { "average": -48.88, "count": 1, "maximum": -48.88, "minimum": -48.88, "name": "Z", "position": 2 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3 }, { "average": 1, "count": 1, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4 }, { "average": 1, "count": 1, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7 }, { "average": 14, "count": 1, "maximum": 14, "minimum": 14, "name": "Classification", "position": 8 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9 }, { "average": 1, "count": 1, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16 }, { "average": 0, "count": 1, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17 } ], "pc:type": "lidar", "proj:bbox": [ 276755.4639, 1494750.985, -48.88, 276755.4639, 1494750.985, -48.88 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276755.4639362199, 1494750.9846257423, -48.88 ], [ 276755.4639362199, 1494750.9846257423, -48.88 ], [ 276755.4639362199, 1494750.9846257423, -48.88 ], [ 276755.4639362199, 1494750.9846257423, -48.88 ], [ 276755.4639362199, 1494750.9846257423, -48.88 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6990_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.86615087170458, 13.472868382491313, -50.28 ], [ 144.86610532171125, 13.478002858155822, -50.28 ], [ 144.87170134838829, 13.478050356462054, -10.4 ], [ 144.87174677924202, 13.47291586210755, -10.4 ], [ 144.86615087170458, 13.472868382491313, -50.28 ] ] ] }, "bbox": [ 144.8661053, 13.47286838, -50.28, 144.8717468, 13.47805036, -10.4 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 22869, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 269151.7694, "count": 22869, "maximum": 269606.0658, "minimum": 268999.9858, "name": "X", "position": 0, "stddev": 121.3495039, "variance": 14725.70208 }, { "average": 1490779.68, "count": 22869, "maximum": 1490999.954, "minimum": 1490431.734, "name": "Y", "position": 1, "stddev": 151.0291353, "variance": 22809.79971 }, { "average": -28.92599939, "count": 22869, "maximum": -10.4, "minimum": -50.28, "name": "Z", "position": 2, "stddev": 8.976955256, "variance": 80.58572566 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 22869, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 22869, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 22869, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 22869, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 268999.9858, 1490431.734, -50.28, 269606.0658, 1490999.954, -10.4 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 268999.98581156536, 1490431.7342593905, -50.28 ], [ 268999.98581156536, 1490999.9542593907, -50.28 ], [ 269606.0658115653, 1490999.9542593907, -10.4 ], [ 269606.0658115653, 1490431.7342593905, -10.4 ], [ 268999.98581156536, 1490431.7342593905, -50.28 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6990_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6990_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6990_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6990_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8661053, 13.47286838, -50.28, 144.8717468, 13.47805036, -10.4 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.86615087170458, 13.472868382491313, -50.28 ], [ 144.86610532171125, 13.478002858155822, -50.28 ], [ 144.87170134838829, 13.478050356462054, -10.4 ], [ 144.87174677924202, 13.47291586210755, -10.4 ], [ 144.86615087170458, 13.472868382491313, -50.28 ] ] ] }, "id": "20070218_6990_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6990_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 22869, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 269151.7694, "count": 22869, "maximum": 269606.0658, "minimum": 268999.9858, "name": "X", "position": 0, "stddev": 121.3495039, "variance": 14725.70208 }, { "average": 1490779.68, "count": 22869, "maximum": 1490999.954, "minimum": 1490431.734, "name": "Y", "position": 1, "stddev": 151.0291353, "variance": 22809.79971 }, { "average": -28.92599939, "count": 22869, "maximum": -10.4, "minimum": -50.28, "name": "Z", "position": 2, "stddev": 8.976955256, "variance": 80.58572566 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 22869, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 22869, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 22869, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 22869, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 22869, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 268999.9858, 1490431.734, -50.28, 269606.0658, 1490999.954, -10.4 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 268999.98581156536, 1490431.7342593905, -50.28 ], [ 268999.98581156536, 1490999.9542593907, -50.28 ], [ 269606.0658115653, 1490999.9542593907, -10.4 ], [ 269606.0658115653, 1490431.7342593905, -10.4 ], [ 268999.98581156536, 1490431.7342593905, -50.28 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7695_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.930422148695, 13.515294116511454, -50.925 ], [ 144.9303493519267, 13.523726173360426, -50.925 ], [ 144.93555399041142, 13.523769155048216, -18.555 ], [ 144.9356266044134, 13.515337070418557, -18.555 ], [ 144.930422148695, 13.515294116511454, -50.925 ] ] ] }, "bbox": [ 144.9303494, 13.51529412, -50.925, 144.9356266, 13.52376916, -18.555 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 19138, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 276107.1386, "count": 19138, "maximum": 276563.5656, "minimum": 276000.0056, "name": "X", "position": 0, "stddev": 67.21515777, "variance": 4517.877434 }, { "average": 1495855.835, "count": 19138, "maximum": 1495999.973, "minimum": 1495066.853, "name": "Y", "position": 1, "stddev": 94.01049696, "variance": 8837.973538 }, { "average": -33.06112185, "count": 19138, "maximum": -18.555, "minimum": -50.925, "name": "Z", "position": 2, "stddev": 6.996783987, "variance": 48.95498616 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19138, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19138, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.00015676, "count": 19138, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.02168567674, "variance": 0.0004702685756 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19138, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 276000.0056, 1495066.853, -50.925, 276563.5656, 1495999.973, -18.555 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276000.0055570274, 1495066.8531730731, -50.925 ], [ 276000.0055570274, 1495999.9731730733, -50.925 ], [ 276563.56555702747, 1495999.9731730733, -18.555 ], [ 276563.56555702747, 1495066.8531730731, -18.555 ], [ 276000.0055570274, 1495066.8531730731, -50.925 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7695_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7695_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7695_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7695_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9303494, 13.51529412, -50.925, 144.9356266, 13.52376916, -18.555 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.930422148695, 13.515294116511454, -50.925 ], [ 144.9303493519267, 13.523726173360426, -50.925 ], [ 144.93555399041142, 13.523769155048216, -18.555 ], [ 144.9356266044134, 13.515337070418557, -18.555 ], [ 144.930422148695, 13.515294116511454, -50.925 ] ] ] }, "id": "20070218_7695_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7695_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 19138, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 276107.1386, "count": 19138, "maximum": 276563.5656, "minimum": 276000.0056, "name": "X", "position": 0, "stddev": 67.21515777, "variance": 4517.877434 }, { "average": 1495855.835, "count": 19138, "maximum": 1495999.973, "minimum": 1495066.853, "name": "Y", "position": 1, "stddev": 94.01049696, "variance": 8837.973538 }, { "average": -33.06112185, "count": 19138, "maximum": -18.555, "minimum": -50.925, "name": "Z", "position": 2, "stddev": 6.996783987, "variance": 48.95498616 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19138, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19138, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.00015676, "count": 19138, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.02168567674, "variance": 0.0004702685756 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 19138, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 19138, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 276000.0056, 1495066.853, -50.925, 276563.5656, 1495999.973, -18.555 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276000.0055570274, 1495066.8531730731, -50.925 ], [ 276000.0055570274, 1495999.9731730733, -50.925 ], [ 276563.56555702747, 1495999.9731730733, -18.555 ], [ 276563.56555702747, 1495066.8531730731, -18.555 ], [ 276000.0055570274, 1495066.8531730731, -50.925 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_6991_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.8661052368461, 13.478003218287707, -49.805 ], [ 144.86602502920329, 13.487039101765642, -49.805 ], [ 144.87525853535303, 13.487117468405946, 43.495 ], [ 144.8753383966129, 13.478081530448907, 43.495 ], [ 144.8661052368461, 13.478003218287707, -49.805 ] ] ] }, "bbox": [ 144.866025, 13.47800322, -49.805, 144.8753384, 13.48711747, 43.495 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 136060, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 269511.4878, "count": 136060, "maximum": 269999.977, "minimum": 268999.977, "name": "X", "position": 0, "stddev": 273.8289372, "variance": 74982.28685 }, { "average": 1491498.048, "count": 136060, "maximum": 1491999.974, "minimum": 1490999.994, "name": "Y", "position": 1, "stddev": 260.3872164, "variance": 67801.50245 }, { "average": -14.89197994, "count": 136060, "maximum": 43.495, "minimum": -49.805, "name": "Z", "position": 2, "stddev": 16.13772797, "variance": 260.426264 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 136060, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 136060, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.54339997, "count": 136060, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.155390062, "variance": 1.334926195 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 136060, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 268999.977, 1490999.994, -49.805, 269999.977, 1491999.974, 43.495 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 268999.97696695826, 1490999.9941911346, -49.805 ], [ 268999.97696695826, 1491999.9741911346, -49.805 ], [ 269999.97696695826, 1491999.9741911346, 43.495 ], [ 269999.97696695826, 1490999.9941911346, 43.495 ], [ 268999.97696695826, 1490999.9941911346, -49.805 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6991_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6991_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6991_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6991_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.866025, 13.47800322, -49.805, 144.8753384, 13.48711747, 43.495 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.8661052368461, 13.478003218287707, -49.805 ], [ 144.86602502920329, 13.487039101765642, -49.805 ], [ 144.87525853535303, 13.487117468405946, 43.495 ], [ 144.8753383966129, 13.478081530448907, 43.495 ], [ 144.8661052368461, 13.478003218287707, -49.805 ] ] ] }, "id": "20070218_6991_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6991_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 136060, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 269511.4878, "count": 136060, "maximum": 269999.977, "minimum": 268999.977, "name": "X", "position": 0, "stddev": 273.8289372, "variance": 74982.28685 }, { "average": 1491498.048, "count": 136060, "maximum": 1491999.974, "minimum": 1490999.994, "name": "Y", "position": 1, "stddev": 260.3872164, "variance": 67801.50245 }, { "average": -14.89197994, "count": 136060, "maximum": 43.495, "minimum": -49.805, "name": "Z", "position": 2, "stddev": 16.13772797, "variance": 260.426264 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 136060, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 136060, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.54339997, "count": 136060, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.155390062, "variance": 1.334926195 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 136060, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 136060, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 268999.977, 1490999.994, -49.805, 269999.977, 1491999.974, 43.495 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 268999.97696695826, 1490999.9941911346, -49.805 ], [ 268999.97696695826, 1491999.9741911346, -49.805 ], [ 269999.97696695826, 1491999.9741911346, 43.495 ], [ 269999.97696695826, 1490999.9941911346, 43.495 ], [ 268999.97696695826, 1490999.9941911346, -49.805 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7696_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.9303492562946, 13.52372640388001, -50.385 ], [ 144.93027118670153, 13.532762809210823, -50.385 ], [ 144.93514520021475, 13.53280309007733, 34.915 ], [ 144.9352230862557, 13.523766656860044, 34.915 ], [ 144.9303492562946, 13.52372640388001, -50.385 ] ] ] }, "bbox": [ 144.9302712, 13.5237264, -50.385, 144.9352231, 13.53280309, 34.915 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 77115, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 276163.9974, "count": 77115, "maximum": 276527.7354, "minimum": 275999.9954, "name": "X", "position": 0, "stddev": 112.4344561, "variance": 12641.50691 }, { "average": 1496499.911, "count": 77115, "maximum": 1496999.999, "minimum": 1495999.999, "name": "Y", "position": 1, "stddev": 301.0982138, "variance": 90660.13435 }, { "average": -21.16811729, "count": 77115, "maximum": 34.915, "minimum": -50.385, "name": "Z", "position": 2, "stddev": 14.83772118, "variance": 220.1579699 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 77115, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 77115, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.1960319, "count": 77115, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.741400245, "variance": 0.5496743232 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 77115, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 275999.9954, 1495999.999, -50.385, 276527.7354, 1496999.999, 34.915 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 275999.99541822437, 1495999.9987688414, -50.385 ], [ 275999.99541822437, 1496999.9987688414, -50.385 ], [ 276527.73541822436, 1496999.9987688414, 34.915 ], [ 276527.73541822436, 1495999.9987688414, 34.915 ], [ 275999.99541822437, 1495999.9987688414, -50.385 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7696_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7696_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7696_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7696_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9302712, 13.5237264, -50.385, 144.9352231, 13.53280309, 34.915 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.9303492562946, 13.52372640388001, -50.385 ], [ 144.93027118670153, 13.532762809210823, -50.385 ], [ 144.93514520021475, 13.53280309007733, 34.915 ], [ 144.9352230862557, 13.523766656860044, 34.915 ], [ 144.9303492562946, 13.52372640388001, -50.385 ] ] ] }, "id": "20070218_7696_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7696_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 77115, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 276163.9974, "count": 77115, "maximum": 276527.7354, "minimum": 275999.9954, "name": "X", "position": 0, "stddev": 112.4344561, "variance": 12641.50691 }, { "average": 1496499.911, "count": 77115, "maximum": 1496999.999, "minimum": 1495999.999, "name": "Y", "position": 1, "stddev": 301.0982138, "variance": 90660.13435 }, { "average": -21.16811729, "count": 77115, "maximum": 34.915, "minimum": -50.385, "name": "Z", "position": 2, "stddev": 14.83772118, "variance": 220.1579699 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 77115, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 77115, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11.1960319, "count": 77115, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.741400245, "variance": 0.5496743232 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 77115, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 77115, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 275999.9954, 1495999.999, -50.385, 276527.7354, 1496999.999, 34.915 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 275999.99541822437, 1495999.9987688414, -50.385 ], [ 275999.99541822437, 1496999.9987688414, -50.385 ], [ 276527.73541822436, 1496999.9987688414, 34.915 ], [ 276527.73541822436, 1495999.9987688414, 34.915 ], [ 275999.99541822437, 1495999.9987688414, -50.385 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_guam_55pbq4287_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.61822262234088, 13.439632603494385, -1.209 ], [ 144.61813336565757, 13.44866696417021, -1.209 ], [ 144.62633185416857, 13.448744445000587, 120.971 ], [ 144.62642080437456, 13.439710030735426, 120.971 ], [ 144.61822262234088, 13.439632603494385, -1.209 ] ] ] }, "bbox": [ 144.6181334, 13.4396326, -1.209, 144.6264208, 13.44874445, 120.971 ], "properties": { "datetime": "2011-09-21T00:30:49Z", "pc:count": 1982471, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 242620.9123, "count": 1982471, "maximum": 242999.9979, "minimum": 242111.7979, "name": "X", "position": 0, "stddev": 224.4895569, "variance": 50395.56118 }, { "average": 1487516.395, "count": 1982471, "maximum": 1487999.969, "minimum": 1486999.989, "name": "Y", "position": 1, "stddev": 254.3736799, "variance": 64705.96903 }, { "average": 43.23931594, "count": 1982471, "maximum": 120.971, "minimum": -1.209, "name": "Z", "position": 2, "stddev": 17.32782134, "variance": 300.2533922 }, { "average": 17.15259441, "count": 1982471, "maximum": 56, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.82627619, "variance": 96.55570377 }, { "average": 1.499990164, "count": 1982471, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.500000126, "variance": 0.250000126 }, { "average": 1.999945018, "count": 1982471, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.00741477535, "variance": 5.497889349e-05 }, { "average": 0.493332311, "count": 1982471, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.499955666, "variance": 0.249955668 }, { "average": 0, "count": 1982471, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.121401524, "count": 1982471, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3340153022, "variance": 0.1115662221 }, { "average": -0.483873568, "count": 1982471, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.9616036, "variance": 623.0816541 }, { "average": 0, "count": 1982471, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 22.54399736, "count": 1982471, "maximum": 83, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 17.47675011, "variance": 305.4367946 }, { "average": 598160.0052, "count": 1982471, "maximum": 600249.8292, "minimum": 520597.8701, "name": "GpsTime", "position": 12, "stddev": 4596.879782, "variance": 21131303.73 }, { "average": 0, "count": 1982471, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1982471, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1982471, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1982471, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1982471, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242111.7979, 1486999.989, -1.209, 242999.9979, 1487999.969, 120.971 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242111.79785743708, 1486999.989274431, -1.209 ], [ 242111.79785743708, 1487999.969274431, -1.209 ], [ 242999.9978574371, 1487999.969274431, 120.971 ], [ 242999.9978574371, 1486999.989274431, 120.971 ], [ 242111.79785743708, 1486999.989274431, -1.209 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-21T00:30:49+00:00", "end_time": "2011-09-20T02:23:17+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4287_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4287_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4287_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4287_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6181334, 13.4396326, -1.209, 144.6264208, 13.44874445, 120.971 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.61822262234088, 13.439632603494385, -1.209 ], [ 144.61813336565757, 13.44866696417021, -1.209 ], [ 144.62633185416857, 13.448744445000587, 120.971 ], [ 144.62642080437456, 13.439710030735426, 120.971 ], [ 144.61822262234088, 13.439632603494385, -1.209 ] ] ] }, "id": "20070218_guam_55pbq4287_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4287_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-21T00:30:49Z", "pc:count": 1982471, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 242620.9123, "count": 1982471, "maximum": 242999.9979, "minimum": 242111.7979, "name": "X", "position": 0, "stddev": 224.4895569, "variance": 50395.56118 }, { "average": 1487516.395, "count": 1982471, "maximum": 1487999.969, "minimum": 1486999.989, "name": "Y", "position": 1, "stddev": 254.3736799, "variance": 64705.96903 }, { "average": 43.23931594, "count": 1982471, "maximum": 120.971, "minimum": -1.209, "name": "Z", "position": 2, "stddev": 17.32782134, "variance": 300.2533922 }, { "average": 17.15259441, "count": 1982471, "maximum": 56, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.82627619, "variance": 96.55570377 }, { "average": 1.499990164, "count": 1982471, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.500000126, "variance": 0.250000126 }, { "average": 1.999945018, "count": 1982471, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.00741477535, "variance": 5.497889349e-05 }, { "average": 0.493332311, "count": 1982471, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.499955666, "variance": 0.249955668 }, { "average": 0, "count": 1982471, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.121401524, "count": 1982471, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3340153022, "variance": 0.1115662221 }, { "average": -0.483873568, "count": 1982471, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.9616036, "variance": 623.0816541 }, { "average": 0, "count": 1982471, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 22.54399736, "count": 1982471, "maximum": 83, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 17.47675011, "variance": 305.4367946 }, { "average": 598160.0052, "count": 1982471, "maximum": 600249.8292, "minimum": 520597.8701, "name": "GpsTime", "position": 12, "stddev": 4596.879782, "variance": 21131303.73 }, { "average": 0, "count": 1982471, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1982471, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1982471, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1982471, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1982471, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242111.7979, 1486999.989, -1.209, 242999.9979, 1487999.969, 120.971 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242111.79785743708, 1486999.989274431, -1.209 ], [ 242111.79785743708, 1487999.969274431, -1.209 ], [ 242999.9978574371, 1487999.969274431, 120.971 ], [ 242999.9978574371, 1486999.989274431, 120.971 ], [ 242111.79785743708, 1486999.989274431, -1.209 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-21T00:30:49+00:00", "end_time": "2011-09-20T02:23:17+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": "20070218_guam_55pbq4786_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6633691923285, 13.437215717517613, -0.3345 ], [ 144.66334168019765, 13.440055548448088, -0.3345 ], [ 144.672572292557, 13.440141068334471, 27.6455 ], [ 144.6725996962294, 13.437301218683114, 27.6455 ], [ 144.6633691923285, 13.437215717517613, -0.3345 ] ] ] }, "bbox": [ 144.6633417, 13.43721572, -0.3345, 144.6725997, 13.44014107, 27.6455 ], "properties": { "datetime": "2011-09-16T07:25:46Z", "pc:count": 503264, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 247613.9902, "count": 503264, "maximum": 247999.9974, "minimum": 246999.9774, "name": "X", "position": 0, "stddev": 252.8565077, "variance": 63936.41351 }, { "average": 1486872.993, "count": 503264, "maximum": 1486999.997, "minimum": 1486685.677, "name": "Y", "position": 1, "stddev": 79.21848709, "variance": 6275.568696 }, { "average": 3.493323488, "count": 503264, "maximum": 27.6455, "minimum": -0.3345, "name": "Z", "position": 2, "stddev": 2.828243442, "variance": 7.998960967 }, { "average": 26.95389299, "count": 503264, "maximum": 159, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.457913915, "variance": 89.45213563 }, { "average": 1.500007948, "count": 503264, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000004967, "variance": 0.2500004967 }, { "average": 1.999713868, "count": 503264, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01691303717, "variance": 0.0002860508263 }, { "average": 0.4956106537, "count": 503264, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.49998123, "variance": 0.2499812304 }, { "average": 0, "count": 503264, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.240078766, "count": 503264, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4443013282, "variance": 0.1974036702 }, { "average": 0.07961614842, "count": 503264, "maximum": 39, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.59844628, "variance": 655.2804518 }, { "average": 0, "count": 503264, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 25, "count": 503264, "maximum": 25, "minimum": 25, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 189215.4742, "count": 503264, "maximum": 193146.4287, "minimum": 176088.017, "name": "GpsTime", "position": 12, "stddev": 1868.21168, "variance": 3490214.882 }, { "average": 0, "count": 503264, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 503264, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 503264, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 503264, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 503264, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246999.9774, 1486685.677, -0.3345, 247999.9974, 1486999.997, 27.6455 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246999.97738874587, 1486685.677009749, -0.3345 ], [ 246999.97738874587, 1486999.9970097488, -0.3345 ], [ 247999.9973887459, 1486999.9970097488, 27.6455 ], [ 247999.9973887459, 1486685.677009749, 27.6455 ], [ 246999.97738874587, 1486685.677009749, -0.3345 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T07:25:46+00:00", "end_time": "2011-09-16T02:41:28+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4786_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4786_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4786_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4786_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6633417, 13.43721572, -0.3345, 144.6725997, 13.44014107, 27.6455 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6633691923285, 13.437215717517613, -0.3345 ], [ 144.66334168019765, 13.440055548448088, -0.3345 ], [ 144.672572292557, 13.440141068334471, 27.6455 ], [ 144.6725996962294, 13.437301218683114, 27.6455 ], [ 144.6633691923285, 13.437215717517613, -0.3345 ] ] ] }, "id": "20070218_guam_55pbq4786_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4786_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-16T07:25:46Z", "pc:count": 503264, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 247613.9902, "count": 503264, "maximum": 247999.9974, "minimum": 246999.9774, "name": "X", "position": 0, "stddev": 252.8565077, "variance": 63936.41351 }, { "average": 1486872.993, "count": 503264, "maximum": 1486999.997, "minimum": 1486685.677, "name": "Y", "position": 1, "stddev": 79.21848709, "variance": 6275.568696 }, { "average": 3.493323488, "count": 503264, "maximum": 27.6455, "minimum": -0.3345, "name": "Z", "position": 2, "stddev": 2.828243442, "variance": 7.998960967 }, { "average": 26.95389299, "count": 503264, "maximum": 159, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.457913915, "variance": 89.45213563 }, { "average": 1.500007948, "count": 503264, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000004967, "variance": 0.2500004967 }, { "average": 1.999713868, "count": 503264, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01691303717, "variance": 0.0002860508263 }, { "average": 0.4956106537, "count": 503264, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.49998123, "variance": 0.2499812304 }, { "average": 0, "count": 503264, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.240078766, "count": 503264, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4443013282, "variance": 0.1974036702 }, { "average": 0.07961614842, "count": 503264, "maximum": 39, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.59844628, "variance": 655.2804518 }, { "average": 0, "count": 503264, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 25, "count": 503264, "maximum": 25, "minimum": 25, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 189215.4742, "count": 503264, "maximum": 193146.4287, "minimum": 176088.017, "name": "GpsTime", "position": 12, "stddev": 1868.21168, "variance": 3490214.882 }, { "average": 0, "count": 503264, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 503264, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 503264, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 503264, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 503264, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246999.9774, 1486685.677, -0.3345, 247999.9974, 1486999.997, 27.6455 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246999.97738874587, 1486685.677009749, -0.3345 ], [ 246999.97738874587, 1486999.9970097488, -0.3345 ], [ 247999.9973887459, 1486999.9970097488, 27.6455 ], [ 247999.9973887459, 1486685.677009749, 27.6455 ], [ 246999.97738874587, 1486685.677009749, -0.3345 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T07:25:46+00:00", "end_time": "2011-09-16T02:41:28+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": "20070218_6992_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.86833582872242, 13.48705899602339, -13.9145 ], [ 144.8682911813526, 13.492091365466122, -13.9145 ], [ 144.8752138757264, 13.49215011177054, 125.8655 ], [ 144.87525837838015, 13.487117719583042, 125.8655 ], [ 144.86833582872242, 13.48705899602339, -13.9145 ] ] ] }, "bbox": [ 144.8682912, 13.487059, -13.9145, 144.8752584, 13.49215011, 125.8655 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 14617, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 269790.566, "count": 14617, "maximum": 269999.9602, "minimum": 269250.2402, "name": "X", "position": 0, "stddev": 168.63659, "variance": 28438.29948 }, { "average": 1492163.473, "count": 14617, "maximum": 1492556.922, "minimum": 1492000.002, "name": "Y", "position": 1, "stddev": 132.6777149, "variance": 17603.37602 }, { "average": 29.46193224, "count": 14617, "maximum": 125.8655, "minimum": -13.9145, "name": "Z", "position": 2, "stddev": 33.54605296, "variance": 1125.337669 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 14617, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 14617, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.25949237, "count": 14617, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.293555493, "variance": 1.673285812 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 14617, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 269250.2402, 1492000.002, -13.9145, 269999.9602, 1492556.922, 125.8655 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 269250.2402084263, 1492000.002133165, -13.9145 ], [ 269250.2402084263, 1492556.922133165, -13.9145 ], [ 269999.9602084263, 1492556.922133165, 125.8655 ], [ 269999.9602084263, 1492000.002133165, 125.8655 ], [ 269250.2402084263, 1492000.002133165, -13.9145 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_6992_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_6992_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_6992_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6992_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8682912, 13.487059, -13.9145, 144.8752584, 13.49215011, 125.8655 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.86833582872242, 13.48705899602339, -13.9145 ], [ 144.8682911813526, 13.492091365466122, -13.9145 ], [ 144.8752138757264, 13.49215011177054, 125.8655 ], [ 144.87525837838015, 13.487117719583042, 125.8655 ], [ 144.86833582872242, 13.48705899602339, -13.9145 ] ] ] }, "id": "20070218_6992_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_6992_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 14617, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 269790.566, "count": 14617, "maximum": 269999.9602, "minimum": 269250.2402, "name": "X", "position": 0, "stddev": 168.63659, "variance": 28438.29948 }, { "average": 1492163.473, "count": 14617, "maximum": 1492556.922, "minimum": 1492000.002, "name": "Y", "position": 1, "stddev": 132.6777149, "variance": 17603.37602 }, { "average": 29.46193224, "count": 14617, "maximum": 125.8655, "minimum": -13.9145, "name": "Z", "position": 2, "stddev": 33.54605296, "variance": 1125.337669 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 14617, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 14617, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.25949237, "count": 14617, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.293555493, "variance": 1.673285812 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 14617, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14617, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 269250.2402, 1492000.002, -13.9145, 269999.9602, 1492556.922, 125.8655 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 269250.2402084263, 1492000.002133165, -13.9145 ], [ 269250.2402084263, 1492556.922133165, -13.9145 ], [ 269999.9602084263, 1492556.922133165, 125.8655 ], [ 269999.9602084263, 1492000.002133165, 125.8655 ], [ 269250.2402084263, 1492000.002133165, -13.9145 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7697_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.93027096157772, 13.532762693931055, -50.56 ], [ 144.93019283487882, 13.541799092338922, -50.56 ], [ 144.9384540607731, 13.541867355278908, 106.54 ], [ 144.93853187614596, 13.532830909647599, 106.54 ], [ 144.93027096157772, 13.532762693931055, -50.56 ] ] ] }, "bbox": [ 144.9301928, 13.53276269, -50.56, 144.9385319, 13.54186736, 106.54 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 112223, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 276332.1744, "count": 112223, "maximum": 276894.4309, "minimum": 275999.9709, "name": "X", "position": 0, "stddev": 222.7577902, "variance": 49621.0331 }, { "average": 1497492.53, "count": 112223, "maximum": 1497999.986, "minimum": 1496999.986, "name": "Y", "position": 1, "stddev": 282.3308194, "variance": 79710.69161 }, { "average": -2.998018053, "count": 112223, "maximum": 106.54, "minimum": -50.56, "name": "Z", "position": 2, "stddev": 31.24878656, "variance": 976.4866616 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 112223, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 112223, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.29403955, "count": 112223, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.485799436, "variance": 2.207599963 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 112223, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 275999.9709, 1496999.986, -50.56, 276894.4309, 1497999.986, 106.54 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 275999.97093649005, 1496999.986218608, -50.56 ], [ 275999.97093649005, 1497999.986218608, -50.56 ], [ 276894.43093649, 1497999.986218608, 106.54 ], [ 276894.43093649, 1496999.986218608, 106.54 ], [ 275999.97093649005, 1496999.986218608, -50.56 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7697_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7697_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7697_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7697_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9301928, 13.53276269, -50.56, 144.9385319, 13.54186736, 106.54 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.93027096157772, 13.532762693931055, -50.56 ], [ 144.93019283487882, 13.541799092338922, -50.56 ], [ 144.9384540607731, 13.541867355278908, 106.54 ], [ 144.93853187614596, 13.532830909647599, 106.54 ], [ 144.93027096157772, 13.532762693931055, -50.56 ] ] ] }, "id": "20070218_7697_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7697_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 112223, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 276332.1744, "count": 112223, "maximum": 276894.4309, "minimum": 275999.9709, "name": "X", "position": 0, "stddev": 222.7577902, "variance": 49621.0331 }, { "average": 1497492.53, "count": 112223, "maximum": 1497999.986, "minimum": 1496999.986, "name": "Y", "position": 1, "stddev": 282.3308194, "variance": 79710.69161 }, { "average": -2.998018053, "count": 112223, "maximum": 106.54, "minimum": -50.56, "name": "Z", "position": 2, "stddev": 31.24878656, "variance": 976.4866616 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 112223, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 112223, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.29403955, "count": 112223, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.485799436, "variance": 2.207599963 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 112223, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 112223, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 275999.9709, 1496999.986, -50.56, 276894.4309, 1497999.986, 106.54 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 275999.97093649005, 1496999.986218608, -50.56 ], [ 275999.97093649005, 1497999.986218608, -50.56 ], [ 276894.43093649, 1497999.986218608, 106.54 ], [ 276894.43093649, 1496999.986218608, 106.54 ], [ 275999.97093649005, 1496999.986218608, -50.56 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7091_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.87530261622106, 13.48213740917248, -50.5545 ], [ 144.87525859335295, 13.48711757475826, -50.5545 ], [ 144.88100444935358, 13.487166163777443, -13.1545 ], [ 144.8810483533983, 13.482185979606989, -13.1545 ], [ 144.87530261622106, 13.48213740917248, -50.5545 ] ] ] }, "bbox": [ 144.8752586, 13.48213741, -50.5545, 144.8810484, 13.48716616, -13.1545 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 32744, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 270204.8592, "count": 32744, "maximum": 270622.2633, "minimum": 269999.9833, "name": "X", "position": 0, "stddev": 151.4514149, "variance": 22937.53108 }, { "average": 1491831.774, "count": 32744, "maximum": 1491999.986, "minimum": 1491448.846, "name": "Y", "position": 1, "stddev": 125.2750218, "variance": 15693.83109 }, { "average": -29.47048369, "count": 32744, "maximum": -13.1545, "minimum": -50.5545, "name": "Z", "position": 2, "stddev": 8.563366219, "variance": 73.33124101 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 32744, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 32744, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 32744, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 32744, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 269999.9833, 1491448.846, -50.5545, 270622.2633, 1491999.986, -13.1545 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 269999.98334976105, 1491448.8459055994, -50.5545 ], [ 269999.98334976105, 1491999.9859055995, -50.5545 ], [ 270622.2633497611, 1491999.9859055995, -13.1545 ], [ 270622.2633497611, 1491448.8459055994, -13.1545 ], [ 269999.98334976105, 1491448.8459055994, -50.5545 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7091_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7091_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7091_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7091_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8752586, 13.48213741, -50.5545, 144.8810484, 13.48716616, -13.1545 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.87530261622106, 13.48213740917248, -50.5545 ], [ 144.87525859335295, 13.48711757475826, -50.5545 ], [ 144.88100444935358, 13.487166163777443, -13.1545 ], [ 144.8810483533983, 13.482185979606989, -13.1545 ], [ 144.87530261622106, 13.48213740917248, -50.5545 ] ] ] }, "id": "20070218_7091_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7091_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 32744, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 270204.8592, "count": 32744, "maximum": 270622.2633, "minimum": 269999.9833, "name": "X", "position": 0, "stddev": 151.4514149, "variance": 22937.53108 }, { "average": 1491831.774, "count": 32744, "maximum": 1491999.986, "minimum": 1491448.846, "name": "Y", "position": 1, "stddev": 125.2750218, "variance": 15693.83109 }, { "average": -29.47048369, "count": 32744, "maximum": -13.1545, "minimum": -50.5545, "name": "Z", "position": 2, "stddev": 8.563366219, "variance": 73.33124101 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 32744, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 32744, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 11, "count": 32744, "maximum": 11, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 32744, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 32744, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 269999.9833, 1491448.846, -50.5545, 270622.2633, 1491999.986, -13.1545 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 269999.98334976105, 1491448.8459055994, -50.5545 ], [ 269999.98334976105, 1491999.9859055995, -50.5545 ], [ 270622.2633497611, 1491999.9859055995, -13.1545 ], [ 270622.2633497611, 1491448.8459055994, -13.1545 ], [ 269999.98334976105, 1491448.8459055994, -50.5545 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7698_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.93125181574354, 13.54180798887197, -48.92 ], [ 144.93117367498076, 13.55084402492843, -48.92 ], [ 144.93935116727567, 13.550911606890837, 180.46 ], [ 144.93942899966294, 13.541875524113786, 180.46 ], [ 144.93125181574354, 13.54180798887197, -48.92 ] ] ] }, "bbox": [ 144.9311737, 13.54180799, -48.92, 144.939429, 13.55091161, 180.46 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 95750, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 276636.6377, "count": 95750, "maximum": 276999.9894, "minimum": 276114.6294, "name": "X", "position": 0, "stddev": 197.0612237, "variance": 38833.12588 }, { "average": 1498473.182, "count": 95750, "maximum": 1498999.961, "minimum": 1498000.001, "name": "Y", "position": 1, "stddev": 287.1629013, "variance": 82462.53187 }, { "average": 22.72634559, "count": 95750, "maximum": 180.46, "minimum": -48.92, "name": "Z", "position": 2, "stddev": 42.00867388, "variance": 1764.728681 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 95750, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 95750, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.06443864, "count": 95750, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.389758681, "variance": 1.931429191 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 95750, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 276114.6294, 1498000.001, -48.92, 276999.9894, 1498999.961, 180.46 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276114.6293815559, 1498000.0006999471, -48.92 ], [ 276114.6293815559, 1498999.960699947, -48.92 ], [ 276999.9893815559, 1498999.960699947, 180.46 ], [ 276999.9893815559, 1498000.0006999471, 180.46 ], [ 276114.6293815559, 1498000.0006999471, -48.92 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7698_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7698_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7698_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7698_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9311737, 13.54180799, -48.92, 144.939429, 13.55091161, 180.46 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.93125181574354, 13.54180798887197, -48.92 ], [ 144.93117367498076, 13.55084402492843, -48.92 ], [ 144.93935116727567, 13.550911606890837, 180.46 ], [ 144.93942899966294, 13.541875524113786, 180.46 ], [ 144.93125181574354, 13.54180798887197, -48.92 ] ] ] }, "id": "20070218_7698_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7698_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 95750, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 276636.6377, "count": 95750, "maximum": 276999.9894, "minimum": 276114.6294, "name": "X", "position": 0, "stddev": 197.0612237, "variance": 38833.12588 }, { "average": 1498473.182, "count": 95750, "maximum": 1498999.961, "minimum": 1498000.001, "name": "Y", "position": 1, "stddev": 287.1629013, "variance": 82462.53187 }, { "average": 22.72634559, "count": 95750, "maximum": 180.46, "minimum": -48.92, "name": "Z", "position": 2, "stddev": 42.00867388, "variance": 1764.728681 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 95750, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 95750, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.06443864, "count": 95750, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.389758681, "variance": 1.931429191 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 95750, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 95750, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 276114.6294, 1498000.001, -48.92, 276999.9894, 1498999.961, 180.46 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276114.6293815559, 1498000.0006999471, -48.92 ], [ 276114.6293815559, 1498999.960699947, -48.92 ], [ 276999.9893815559, 1498999.960699947, 180.46 ], [ 276999.9893815559, 1498000.0006999471, 180.46 ], [ 276114.6293815559, 1498000.0006999471, -48.92 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7092_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.87525878320568, 13.487117527740644, -49.7 ], [ 144.8751788681016, 13.496152916550464, -49.7 ], [ 144.88441259512885, 13.496230987319352, 149.68 ], [ 144.884492163594, 13.487195544361128, 149.68 ], [ 144.87525878320568, 13.487117527740644, -49.7 ] ] ] }, "bbox": [ 144.8751789, 13.48711753, -49.7, 144.8844922, 13.49623099, 149.68 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 125301, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 270562.4953, "count": 125301, "maximum": 270999.9839, "minimum": 270000.0039, "name": "X", "position": 0, "stddev": 268.4191159, "variance": 72048.82178 }, { "average": 1492395.027, "count": 125301, "maximum": 1492999.901, "minimum": 1491999.981, "name": "Y", "position": 1, "stddev": 247.9934823, "variance": 61500.76726 }, { "average": 17.61804447, "count": 125301, "maximum": 149.68, "minimum": -49.7, "name": "Z", "position": 2, "stddev": 42.84178275, "variance": 1835.418349 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 125301, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 125301, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.53547059, "count": 125301, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.499586538, "variance": 2.248759784 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 125301, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 270000.0039, 1491999.981, -49.7, 270999.9839, 1492999.901, 149.68 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 270000.0038644233, 1491999.9805247902, -49.7 ], [ 270000.0038644233, 1492999.9005247902, -49.7 ], [ 270999.9838644233, 1492999.9005247902, 149.68 ], [ 270999.9838644233, 1491999.9805247902, 149.68 ], [ 270000.0038644233, 1491999.9805247902, -49.7 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7092_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7092_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7092_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7092_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.8751789, 13.48711753, -49.7, 144.8844922, 13.49623099, 149.68 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.87525878320568, 13.487117527740644, -49.7 ], [ 144.8751788681016, 13.496152916550464, -49.7 ], [ 144.88441259512885, 13.496230987319352, 149.68 ], [ 144.884492163594, 13.487195544361128, 149.68 ], [ 144.87525878320568, 13.487117527740644, -49.7 ] ] ] }, "id": "20070218_7092_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7092_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 125301, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 270562.4953, "count": 125301, "maximum": 270999.9839, "minimum": 270000.0039, "name": "X", "position": 0, "stddev": 268.4191159, "variance": 72048.82178 }, { "average": 1492395.027, "count": 125301, "maximum": 1492999.901, "minimum": 1491999.981, "name": "Y", "position": 1, "stddev": 247.9934823, "variance": 61500.76726 }, { "average": 17.61804447, "count": 125301, "maximum": 149.68, "minimum": -49.7, "name": "Z", "position": 2, "stddev": 42.84178275, "variance": 1835.418349 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 125301, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 125301, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 12.53547059, "count": 125301, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 1.499586538, "variance": 2.248759784 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 125301, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 125301, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 270000.0039, 1491999.981, -49.7, 270999.9839, 1492999.901, 149.68 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 270000.0038644233, 1491999.9805247902, -49.7 ], [ 270000.0038644233, 1492999.9005247902, -49.7 ], [ 270999.9838644233, 1492999.9005247902, 149.68 ], [ 270999.9838644233, 1491999.9805247902, 149.68 ], [ 270000.0038644233, 1491999.9805247902, -49.7 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_7699_h_ld_guam.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.93444769142354, 13.5508714731563, -16.675 ], [ 144.93436961867226, 13.559907340249726, -16.675 ], [ 144.93927320104558, 13.559947859699118, 179.965 ], [ 144.93935108875462, 13.550911964612336, 179.965 ], [ 144.93444769142354, 13.5508714731563, -16.675 ] ] ] }, "bbox": [ 144.9343696, 13.55087147, -16.675, 144.9393511, 13.55994786, 179.965 ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 46991, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 276836.098, "count": 46991, "maximum": 276999.9812, "minimum": 276469.1012, "name": "X", "position": 0, "stddev": 113.8114195, "variance": 12953.0392 }, { "average": 1499444.374, "count": 46991, "maximum": 1499999.94, "minimum": 1499000, "name": "Y", "position": 1, "stddev": 285.5617066, "variance": 81545.48828 }, { "average": 101.8051907, "count": 46991, "maximum": 179.965, "minimum": -16.675, "name": "Z", "position": 2, "stddev": 50.40350475, "variance": 2540.513291 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 46991, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 46991, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.88355217, "count": 46991, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.5794743652, "variance": 0.3357905399 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 46991, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 276469.1012, 1499000, -16.675, 276999.9812, 1499999.94, 179.965 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276469.10121457005, 1499000.000355347, -16.675 ], [ 276469.10121457005, 1499999.940355347, -16.675 ], [ 276999.98121457006, 1499999.940355347, 179.965 ], [ 276999.98121457006, 1499000.000355347, 179.965 ], [ 276469.10121457005, 1499000.000355347, -16.675 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_7699_h_ld_guam.copc.json", "type": "application/json" } ], "assets": { "20070218_7699_h_ld_guam.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_7699_h_ld_guam.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7699_h_ld_guam.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.9343696, 13.55087147, -16.675, 144.9393511, 13.55994786, 179.965 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.93444769142354, 13.5508714731563, -16.675 ], [ 144.93436961867226, 13.559907340249726, -16.675 ], [ 144.93927320104558, 13.559947859699118, 179.965 ], [ 144.93935108875462, 13.550911964612336, 179.965 ], [ 144.93444769142354, 13.5508714731563, -16.675 ] ] ] }, "id": "20070218_7699_h_ld_guam.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_7699_h_ld_guam.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-14T01:46:40Z", "pc:count": 46991, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 276836.098, "count": 46991, "maximum": 276999.9812, "minimum": 276469.1012, "name": "X", "position": 0, "stddev": 113.8114195, "variance": 12953.0392 }, { "average": 1499444.374, "count": 46991, "maximum": 1499999.94, "minimum": 1499000, "name": "Y", "position": 1, "stddev": 285.5617066, "variance": 81545.48828 }, { "average": 101.8051907, "count": 46991, "maximum": 179.965, "minimum": -16.675, "name": "Z", "position": 2, "stddev": 50.40350475, "variance": 2540.513291 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "Intensity", "position": 3, "stddev": 0, "variance": 0 }, { "average": 1, "count": 46991, "maximum": 1, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0, "variance": 0 }, { "average": 1, "count": 46991, "maximum": 1, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 13.88355217, "count": 46991, "maximum": 14, "minimum": 11, "name": "Classification", "position": 8, "stddev": 0.5794743652, "variance": 0.3357905399 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "ScanAngleRank", "position": 9, "stddev": 0, "variance": 0 }, { "average": 1, "count": 46991, "maximum": 1, "minimum": 1, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "GpsTime", "position": 12, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 46991, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 276469.1012, 1499000, -16.675, 276999.9812, 1499999.94, 179.965 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 276469.10121457005, 1499000.000355347, -16.675 ], [ 276469.10121457005, 1499999.940355347, -16.675 ], [ 276999.98121457006, 1499999.940355347, 179.965 ], [ 276999.98121457006, 1499000.000355347, 179.965 ], [ 276469.10121457005, 1499000.000355347, -16.675 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-14T01:46:40+00:00", "end_time": "2011-09-14T01:46:40+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": "20070218_guam_55pbq4477_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6365336347673, 13.349449967435172, -0.1335 ], [ 144.63644567887496, 13.358484693005062, -0.1335 ], [ 144.64567263336536, 13.358570681025594, 44.3465 ], [ 144.64576024661667, 13.349535895252794, 44.3465 ], [ 144.6365336347673, 13.349449967435172, -0.1335 ] ] ] }, "bbox": [ 144.6364457, 13.34944997, -0.1335, 144.6457602, 13.35857068, 44.3465 ], "properties": { "datetime": "2011-09-19T00:55:32Z", "pc:count": 338447, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244753.915, "count": 338447, "maximum": 244999.9968, "minimum": 244000.0168, "name": "X", "position": 0, "stddev": 325.6960226, "variance": 106077.8992 }, { "average": 1477358.992, "count": 338447, "maximum": 1477999.989, "minimum": 1476999.989, "name": "Y", "position": 1, "stddev": 301.6301041, "variance": 90980.71972 }, { "average": 14.68516585, "count": 338447, "maximum": 44.3465, "minimum": -0.1335, "name": "Z", "position": 2, "stddev": 8.279389233, "variance": 68.54828608 }, { "average": 26.63103824, "count": 338447, "maximum": 55, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.73050071, "variance": 115.1436456 }, { "average": 1.499954203, "count": 338447, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000007366, "variance": 0.2500007366 }, { "average": 1.999754762, "count": 338447, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01565817325, "variance": 0.0002451783896 }, { "average": 0.490824265, "count": 338447, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999165373, "variance": 0.2499165443 }, { "average": 0, "count": 338447, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.120819508, "count": 338447, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3422356521, "variance": 0.1171252415 }, { "average": -0.6166300502, "count": 338447, "maximum": 37.9980011, "minimum": -40.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.02609432, "variance": 626.3053968 }, { "average": 0, "count": 338447, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 15, "count": 338447, "maximum": 15, "minimum": 15, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 359778.8454, "count": 338447, "maximum": 428932.9478, "minimum": 340377.9936, "name": "GpsTime", "position": 12, "stddev": 32144.80723, "variance": 1033288632 }, { "average": 0, "count": 338447, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 338447, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 338447, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 338447, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 338447, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244000.0168, 1476999.989, -0.1335, 244999.9968, 1477999.989, 44.3465 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244000.01682274952, 1476999.9888019692, -0.1335 ], [ 244000.01682274952, 1477999.9888019692, -0.1335 ], [ 244999.9968227495, 1477999.9888019692, 44.3465 ], [ 244999.9968227495, 1476999.9888019692, 44.3465 ], [ 244000.01682274952, 1476999.9888019692, -0.1335 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T00:55:32+00:00", "end_time": "2011-09-18T00:19:37+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4477_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4477_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4477_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4477_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6364457, 13.34944997, -0.1335, 144.6457602, 13.35857068, 44.3465 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6365336347673, 13.349449967435172, -0.1335 ], [ 144.63644567887496, 13.358484693005062, -0.1335 ], [ 144.64567263336536, 13.358570681025594, 44.3465 ], [ 144.64576024661667, 13.349535895252794, 44.3465 ], [ 144.6365336347673, 13.349449967435172, -0.1335 ] ] ] }, "id": "20070218_guam_55pbq4477_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4477_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-19T00:55:32Z", "pc:count": 338447, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244753.915, "count": 338447, "maximum": 244999.9968, "minimum": 244000.0168, "name": "X", "position": 0, "stddev": 325.6960226, "variance": 106077.8992 }, { "average": 1477358.992, "count": 338447, "maximum": 1477999.989, "minimum": 1476999.989, "name": "Y", "position": 1, "stddev": 301.6301041, "variance": 90980.71972 }, { "average": 14.68516585, "count": 338447, "maximum": 44.3465, "minimum": -0.1335, "name": "Z", "position": 2, "stddev": 8.279389233, "variance": 68.54828608 }, { "average": 26.63103824, "count": 338447, "maximum": 55, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.73050071, "variance": 115.1436456 }, { "average": 1.499954203, "count": 338447, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000007366, "variance": 0.2500007366 }, { "average": 1.999754762, "count": 338447, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01565817325, "variance": 0.0002451783896 }, { "average": 0.490824265, "count": 338447, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999165373, "variance": 0.2499165443 }, { "average": 0, "count": 338447, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.120819508, "count": 338447, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3422356521, "variance": 0.1171252415 }, { "average": -0.6166300502, "count": 338447, "maximum": 37.9980011, "minimum": -40.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.02609432, "variance": 626.3053968 }, { "average": 0, "count": 338447, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 15, "count": 338447, "maximum": 15, "minimum": 15, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 359778.8454, "count": 338447, "maximum": 428932.9478, "minimum": 340377.9936, "name": "GpsTime", "position": 12, "stddev": 32144.80723, "variance": 1033288632 }, { "average": 0, "count": 338447, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 338447, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 338447, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 338447, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 338447, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244000.0168, 1476999.989, -0.1335, 244999.9968, 1477999.989, 44.3465 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244000.01682274952, 1476999.9888019692, -0.1335 ], [ 244000.01682274952, 1477999.9888019692, -0.1335 ], [ 244999.9968227495, 1477999.9888019692, 44.3465 ], [ 244999.9968227495, 1476999.9888019692, 44.3465 ], [ 244000.01682274952, 1476999.9888019692, -0.1335 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T00:55:32+00:00", "end_time": "2011-09-18T00:19:37+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": "20070218_guam_55pbq4886_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.67265946529264, 13.431106145185485, -0.1195 ], [ 144.67257230328033, 13.440141047206376, -0.1195 ], [ 144.68180279512933, 13.440226227694467, 57.4405 ], [ 144.68188961219852, 13.431191266367385, 57.4405 ], [ 144.67265946529264, 13.431106145185485, -0.1195 ] ] ] }, "bbox": [ 144.6725723, 13.43110615, -0.1195, 144.6818896, 13.44022623, 57.4405 ], "properties": { "datetime": "2011-09-16T08:43:37Z", "pc:count": 2187036, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 248587.0366, "count": 2187036, "maximum": 248999.9985, "minimum": 247999.9985, "name": "X", "position": 0, "stddev": 250.83056, "variance": 62915.96983 }, { "average": 1486552.634, "count": 2187036, "maximum": 1486999.995, "minimum": 1485999.995, "name": "Y", "position": 1, "stddev": 291.4209534, "variance": 84926.17208 }, { "average": 13.64811238, "count": 2187036, "maximum": 57.4405, "minimum": -0.1195, "name": "Z", "position": 2, "stddev": 11.46622249, "variance": 131.4742583 }, { "average": 19.69481572, "count": 2187036, "maximum": 163, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.67511162, "variance": 113.958008 }, { "average": 1.499909009, "count": 2187036, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.500000106, "variance": 0.250000106 }, { "average": 1.999773209, "count": 2187036, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01505787609, "variance": 0.0002267396323 }, { "average": 0.4991861131, "count": 2187036, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999994519, "variance": 0.2499994519 }, { "average": 0, "count": 2187036, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.088385376, "count": 2187036, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2970313737, "variance": 0.08822763695 }, { "average": -0.02561263891, "count": 2187036, "maximum": 39, "minimum": -40.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 25.68366625, "variance": 659.650712 }, { "average": 0, "count": 2187036, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 30.2377382, "count": 2187036, "maximum": 31, "minimum": 25, "name": "PointSourceId", "position": 11, "stddev": 1.998131522, "variance": 3.992529578 }, { "average": 145247.1243, "count": 2187036, "maximum": 197817.7889, "minimum": 82872.04648, "name": "GpsTime", "position": 12, "stddev": 53916.60363, "variance": 2907000147 }, { "average": 0, "count": 2187036, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2187036, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2187036, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2187036, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2187036, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 247999.9985, 1485999.995, -0.1195, 248999.9985, 1486999.995, 57.4405 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 247999.9985282892, 1485999.994660486, -0.1195 ], [ 247999.9985282892, 1486999.994660486, -0.1195 ], [ 248999.9985282892, 1486999.994660486, 57.4405 ], [ 248999.9985282892, 1485999.994660486, 57.4405 ], [ 247999.9985282892, 1485999.994660486, -0.1195 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T08:43:37+00:00", "end_time": "2011-09-15T00:47:52+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4886_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4886_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4886_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4886_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6725723, 13.43110615, -0.1195, 144.6818896, 13.44022623, 57.4405 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.67265946529264, 13.431106145185485, -0.1195 ], [ 144.67257230328033, 13.440141047206376, -0.1195 ], [ 144.68180279512933, 13.440226227694467, 57.4405 ], [ 144.68188961219852, 13.431191266367385, 57.4405 ], [ 144.67265946529264, 13.431106145185485, -0.1195 ] ] ] }, "id": "20070218_guam_55pbq4886_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4886_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-16T08:43:37Z", "pc:count": 2187036, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 248587.0366, "count": 2187036, "maximum": 248999.9985, "minimum": 247999.9985, "name": "X", "position": 0, "stddev": 250.83056, "variance": 62915.96983 }, { "average": 1486552.634, "count": 2187036, "maximum": 1486999.995, "minimum": 1485999.995, "name": "Y", "position": 1, "stddev": 291.4209534, "variance": 84926.17208 }, { "average": 13.64811238, "count": 2187036, "maximum": 57.4405, "minimum": -0.1195, "name": "Z", "position": 2, "stddev": 11.46622249, "variance": 131.4742583 }, { "average": 19.69481572, "count": 2187036, "maximum": 163, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.67511162, "variance": 113.958008 }, { "average": 1.499909009, "count": 2187036, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.500000106, "variance": 0.250000106 }, { "average": 1.999773209, "count": 2187036, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01505787609, "variance": 0.0002267396323 }, { "average": 0.4991861131, "count": 2187036, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999994519, "variance": 0.2499994519 }, { "average": 0, "count": 2187036, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.088385376, "count": 2187036, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2970313737, "variance": 0.08822763695 }, { "average": -0.02561263891, "count": 2187036, "maximum": 39, "minimum": -40.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 25.68366625, "variance": 659.650712 }, { "average": 0, "count": 2187036, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 30.2377382, "count": 2187036, "maximum": 31, "minimum": 25, "name": "PointSourceId", "position": 11, "stddev": 1.998131522, "variance": 3.992529578 }, { "average": 145247.1243, "count": 2187036, "maximum": 197817.7889, "minimum": 82872.04648, "name": "GpsTime", "position": 12, "stddev": 53916.60363, "variance": 2907000147 }, { "average": 0, "count": 2187036, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2187036, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2187036, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2187036, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2187036, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 247999.9985, 1485999.995, -0.1195, 248999.9985, 1486999.995, 57.4405 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 247999.9985282892, 1485999.994660486, -0.1195 ], [ 247999.9985282892, 1486999.994660486, -0.1195 ], [ 248999.9985282892, 1486999.994660486, 57.4405 ], [ 248999.9985282892, 1485999.994660486, 57.4405 ], [ 247999.9985282892, 1485999.994660486, -0.1195 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T08:43:37+00:00", "end_time": "2011-09-15T00:47:52+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": "20070218_guam_55pbq4787_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6633418837159, 13.440055529154039, -0.184 ], [ 144.66327876701658, 13.446568019967124, -0.184 ], [ 144.67250944358193, 13.446653581072653, 470.136 ], [ 144.6725723114667, 13.440141047325858, 470.136 ], [ 144.6633418837159, 13.440055529154039, -0.184 ] ] ] }, "bbox": [ 144.6632788, 13.44005553, -0.184, 144.6725723, 13.44665358, 470.136 ], "properties": { "datetime": "2011-09-16T06:58:23Z", "pc:count": 842415, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 247683.5015, "count": 842415, "maximum": 247999.9994, "minimum": 246999.9994, "name": "X", "position": 0, "stddev": 260.9051007, "variance": 68071.4716 }, { "average": 1487233.375, "count": 842415, "maximum": 1487720.815, "minimum": 1486999.995, "name": "Y", "position": 1, "stddev": 162.6994512, "variance": 26471.11141 }, { "average": 3.524415781, "count": 842415, "maximum": 470.136, "minimum": -0.184, "name": "Z", "position": 2, "stddev": 3.132097111, "variance": 9.810032312 }, { "average": 27.95500199, "count": 842415, "maximum": 164, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.831887233, "variance": 96.66600657 }, { "average": 1.499986349, "count": 842415, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000002966, "variance": 0.2500002966 }, { "average": 1.999702047, "count": 842415, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01725875102, "variance": 0.0002978644868 }, { "average": 0.517407691, "count": 842415, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.499697177, "variance": 0.2496972687 }, { "average": 0, "count": 842415, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.250418143, "count": 842415, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4495116604, "variance": 0.2020607329 }, { "average": 0.7156190918, "count": 842415, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.05208692, "variance": 627.6070588 }, { "average": 0, "count": 842415, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 25.00000237, "count": 842415, "maximum": 26, "minimum": 25, "name": "PointSourceId", "position": 11, "stddev": 0.001540819246, "variance": 2.374123948e-06 }, { "average": 186897.422, "count": 842415, "maximum": 191503.8234, "minimum": 174697.9998, "name": "GpsTime", "position": 12, "stddev": 3118.985181, "variance": 9728068.559 }, { "average": 0, "count": 842415, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 842415, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 842415, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 842415, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 842415, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246999.9994, 1486999.995, -0.184, 247999.9994, 1487720.815, 470.136 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246999.99941521956, 1486999.9946653314, -0.184 ], [ 246999.99941521956, 1487720.8146653313, -0.184 ], [ 247999.99941521956, 1487720.8146653313, 470.136 ], [ 247999.99941521956, 1486999.9946653314, 470.136 ], [ 246999.99941521956, 1486999.9946653314, -0.184 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T06:58:23+00:00", "end_time": "2011-09-16T02:18:17+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4787_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4787_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4787_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4787_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6632788, 13.44005553, -0.184, 144.6725723, 13.44665358, 470.136 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6633418837159, 13.440055529154039, -0.184 ], [ 144.66327876701658, 13.446568019967124, -0.184 ], [ 144.67250944358193, 13.446653581072653, 470.136 ], [ 144.6725723114667, 13.440141047325858, 470.136 ], [ 144.6633418837159, 13.440055529154039, -0.184 ] ] ] }, "id": "20070218_guam_55pbq4787_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4787_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-16T06:58:23Z", "pc:count": 842415, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 247683.5015, "count": 842415, "maximum": 247999.9994, "minimum": 246999.9994, "name": "X", "position": 0, "stddev": 260.9051007, "variance": 68071.4716 }, { "average": 1487233.375, "count": 842415, "maximum": 1487720.815, "minimum": 1486999.995, "name": "Y", "position": 1, "stddev": 162.6994512, "variance": 26471.11141 }, { "average": 3.524415781, "count": 842415, "maximum": 470.136, "minimum": -0.184, "name": "Z", "position": 2, "stddev": 3.132097111, "variance": 9.810032312 }, { "average": 27.95500199, "count": 842415, "maximum": 164, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.831887233, "variance": 96.66600657 }, { "average": 1.499986349, "count": 842415, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000002966, "variance": 0.2500002966 }, { "average": 1.999702047, "count": 842415, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01725875102, "variance": 0.0002978644868 }, { "average": 0.517407691, "count": 842415, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.499697177, "variance": 0.2496972687 }, { "average": 0, "count": 842415, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.250418143, "count": 842415, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4495116604, "variance": 0.2020607329 }, { "average": 0.7156190918, "count": 842415, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.05208692, "variance": 627.6070588 }, { "average": 0, "count": 842415, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 25.00000237, "count": 842415, "maximum": 26, "minimum": 25, "name": "PointSourceId", "position": 11, "stddev": 0.001540819246, "variance": 2.374123948e-06 }, { "average": 186897.422, "count": 842415, "maximum": 191503.8234, "minimum": 174697.9998, "name": "GpsTime", "position": 12, "stddev": 3118.985181, "variance": 9728068.559 }, { "average": 0, "count": 842415, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 842415, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 842415, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 842415, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 842415, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246999.9994, 1486999.995, -0.184, 247999.9994, 1487720.815, 470.136 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246999.99941521956, 1486999.9946653314, -0.184 ], [ 246999.99941521956, 1487720.8146653313, -0.184 ], [ 247999.99941521956, 1487720.8146653313, 470.136 ], [ 247999.99941521956, 1486999.9946653314, 470.136 ], [ 246999.99941521956, 1486999.9946653314, -0.184 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T06:58:23+00:00", "end_time": "2011-09-16T02:18:17+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": "20070218_guam_55pbq4686_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.65419923162037, 13.430934894779188, -0.392 ], [ 144.65411137969983, 13.439969677459635, -0.392 ], [ 144.66334192775474, 13.440055535050162, 32.688 ], [ 144.66342943472807, 13.43102069258531, 32.688 ], [ 144.65419923162037, 13.430934894779188, -0.392 ] ] ] }, "bbox": [ 144.6541114, 13.43093489, -0.392, 144.6634294, 13.44005554, 32.688 ], "properties": { "datetime": "2011-09-16T06:41:09Z", "pc:count": 2309557, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246453.2615, "count": 2309557, "maximum": 247000.0042, "minimum": 245999.9842, "name": "X", "position": 0, "stddev": 251.4602609, "variance": 63232.26279 }, { "average": 1486526.994, "count": 2309557, "maximum": 1486999.995, "minimum": 1485999.995, "name": "Y", "position": 1, "stddev": 286.3201053, "variance": 81979.20268 }, { "average": 5.116956449, "count": 2309557, "maximum": 32.688, "minimum": -0.392, "name": "Z", "position": 2, "stddev": 4.62857383, "variance": 21.4236957 }, { "average": 26.22901275, "count": 2309557, "maximum": 145, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.94295866, "variance": 119.7483443 }, { "average": 1.499928774, "count": 2309557, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001032, "variance": 0.2500001032 }, { "average": 1.999741509, "count": 2309557, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01607558474, "variance": 0.0002584244248 }, { "average": 0.5022028034, "count": 2309557, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999952559, "variance": 0.2499952559 }, { "average": 0, "count": 2309557, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.208129091, "count": 2309557, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4164414593, "variance": 0.173423489 }, { "average": -0.1479659503, "count": 2309557, "maximum": 39, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.40057431, "variance": 645.1891752 }, { "average": 0, "count": 2309557, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 25, "count": 2309557, "maximum": 25, "minimum": 25, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 175871.0258, "count": 2309557, "maximum": 190469.0066, "minimum": 15035.60377, "name": "GpsTime", "position": 12, "stddev": 32167.09887, "variance": 1034722250 }, { "average": 0, "count": 2309557, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2309557, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2309557, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2309557, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2309557, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 245999.9842, 1485999.995, -0.392, 247000.0042, 1486999.995, 32.688 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 245999.9841920418, 1485999.9952726266, -0.392 ], [ 245999.9841920418, 1486999.9952726266, -0.392 ], [ 247000.00419204182, 1486999.9952726266, 32.688 ], [ 247000.00419204182, 1485999.9952726266, 32.688 ], [ 245999.9841920418, 1485999.9952726266, -0.392 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T06:41:09+00:00", "end_time": "2011-09-14T05:57:15+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4686_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4686_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4686_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4686_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6541114, 13.43093489, -0.392, 144.6634294, 13.44005554, 32.688 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.65419923162037, 13.430934894779188, -0.392 ], [ 144.65411137969983, 13.439969677459635, -0.392 ], [ 144.66334192775474, 13.440055535050162, 32.688 ], [ 144.66342943472807, 13.43102069258531, 32.688 ], [ 144.65419923162037, 13.430934894779188, -0.392 ] ] ] }, "id": "20070218_guam_55pbq4686_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4686_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-16T06:41:09Z", "pc:count": 2309557, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246453.2615, "count": 2309557, "maximum": 247000.0042, "minimum": 245999.9842, "name": "X", "position": 0, "stddev": 251.4602609, "variance": 63232.26279 }, { "average": 1486526.994, "count": 2309557, "maximum": 1486999.995, "minimum": 1485999.995, "name": "Y", "position": 1, "stddev": 286.3201053, "variance": 81979.20268 }, { "average": 5.116956449, "count": 2309557, "maximum": 32.688, "minimum": -0.392, "name": "Z", "position": 2, "stddev": 4.62857383, "variance": 21.4236957 }, { "average": 26.22901275, "count": 2309557, "maximum": 145, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.94295866, "variance": 119.7483443 }, { "average": 1.499928774, "count": 2309557, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001032, "variance": 0.2500001032 }, { "average": 1.999741509, "count": 2309557, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01607558474, "variance": 0.0002584244248 }, { "average": 0.5022028034, "count": 2309557, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999952559, "variance": 0.2499952559 }, { "average": 0, "count": 2309557, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.208129091, "count": 2309557, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4164414593, "variance": 0.173423489 }, { "average": -0.1479659503, "count": 2309557, "maximum": 39, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.40057431, "variance": 645.1891752 }, { "average": 0, "count": 2309557, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 25, "count": 2309557, "maximum": 25, "minimum": 25, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 175871.0258, "count": 2309557, "maximum": 190469.0066, "minimum": 15035.60377, "name": "GpsTime", "position": 12, "stddev": 32167.09887, "variance": 1034722250 }, { "average": 0, "count": 2309557, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2309557, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2309557, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2309557, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2309557, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 245999.9842, 1485999.995, -0.392, 247000.0042, 1486999.995, 32.688 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 245999.9841920418, 1485999.9952726266, -0.392 ], [ 245999.9841920418, 1486999.9952726266, -0.392 ], [ 247000.00419204182, 1486999.9952726266, 32.688 ], [ 247000.00419204182, 1485999.9952726266, 32.688 ], [ 245999.9841920418, 1485999.9952726266, -0.392 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T06:41:09+00:00", "end_time": "2011-09-14T05:57:15+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": "20070218_guam_55pbq4478_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63714906670637, 13.358491329023384, -0.198 ], [ 144.63714521917532, 13.35888650796025, -0.198 ], [ 144.63832333922048, 13.35889750288909, 21.222 ], [ 144.63832718483727, 13.358502323615525, 21.222 ], [ 144.63714906670637, 13.358491329023384, -0.198 ] ] ] }, "bbox": [ 144.6371452, 13.35849133, -0.198, 144.6383272, 13.3588975, 21.222 ], "properties": { "datetime": "2011-09-19T00:55:33Z", "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": 244151.7382, "count": 7868, "maximum": 244203.9275, "minimum": 244076.2475, "name": "X", "position": 0, "stddev": 27.35444303, "variance": 748.2655534 }, { "average": 1478014.224, "count": 7868, "maximum": 1478043.736, "minimum": 1477999.996, "name": "Y", "position": 1, "stddev": 9.94646207, "variance": 98.9321077 }, { "average": 4.285260041, "count": 7868, "maximum": 21.222, "minimum": -0.198, "name": "Z", "position": 2, "stddev": 3.37110751, "variance": 11.36436584 }, { "average": 29.83693442, "count": 7868, "maximum": 49, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.75021047, "variance": 115.5670252 }, { "average": 1.500127097, "count": 7868, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000317611, "variance": 0.2500317622 }, { "average": 1.999745806, "count": 7868, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01594245567, "variance": 0.0002541618929 }, { "average": 0.6321809863, "count": 7868, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4822424124, "variance": 0.2325577443 }, { "average": 0, "count": 7868, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.133070666, "count": 7868, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4753588775, "variance": 0.2259660624 }, { "average": 7.515748908, "count": 7868, "maximum": 36, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.91989882, "variance": 671.8411549 }, { "average": 0, "count": 7868, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 15, "count": 7868, "maximum": 15, "minimum": 15, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 427299.3481, "count": 7868, "maximum": 428933.4978, "minimum": 424859.4267, "name": "GpsTime", "position": 12, "stddev": 1646.57291, "variance": 2711202.348 }, { "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": [ 244076.2475, 1477999.996, -0.198, 244203.9275, 1478043.736, 21.222 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244076.2474709399, 1477999.9964556363, -0.198 ], [ 244076.2474709399, 1478043.7364556366, -0.198 ], [ 244203.9274709399, 1478043.7364556366, 21.222 ], [ 244203.9274709399, 1477999.9964556363, 21.222 ], [ 244076.2474709399, 1477999.9964556363, -0.198 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T00:55:33+00:00", "end_time": "2011-09-18T23:47:39+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4478_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4478_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4478_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4478_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6371452, 13.35849133, -0.198, 144.6383272, 13.3588975, 21.222 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63714906670637, 13.358491329023384, -0.198 ], [ 144.63714521917532, 13.35888650796025, -0.198 ], [ 144.63832333922048, 13.35889750288909, 21.222 ], [ 144.63832718483727, 13.358502323615525, 21.222 ], [ 144.63714906670637, 13.358491329023384, -0.198 ] ] ] }, "id": "20070218_guam_55pbq4478_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4478_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-19T00:55:33Z", "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": 244151.7382, "count": 7868, "maximum": 244203.9275, "minimum": 244076.2475, "name": "X", "position": 0, "stddev": 27.35444303, "variance": 748.2655534 }, { "average": 1478014.224, "count": 7868, "maximum": 1478043.736, "minimum": 1477999.996, "name": "Y", "position": 1, "stddev": 9.94646207, "variance": 98.9321077 }, { "average": 4.285260041, "count": 7868, "maximum": 21.222, "minimum": -0.198, "name": "Z", "position": 2, "stddev": 3.37110751, "variance": 11.36436584 }, { "average": 29.83693442, "count": 7868, "maximum": 49, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.75021047, "variance": 115.5670252 }, { "average": 1.500127097, "count": 7868, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000317611, "variance": 0.2500317622 }, { "average": 1.999745806, "count": 7868, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01594245567, "variance": 0.0002541618929 }, { "average": 0.6321809863, "count": 7868, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4822424124, "variance": 0.2325577443 }, { "average": 0, "count": 7868, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.133070666, "count": 7868, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4753588775, "variance": 0.2259660624 }, { "average": 7.515748908, "count": 7868, "maximum": 36, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.91989882, "variance": 671.8411549 }, { "average": 0, "count": 7868, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 15, "count": 7868, "maximum": 15, "minimum": 15, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 427299.3481, "count": 7868, "maximum": 428933.4978, "minimum": 424859.4267, "name": "GpsTime", "position": 12, "stddev": 1646.57291, "variance": 2711202.348 }, { "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": [ 244076.2475, 1477999.996, -0.198, 244203.9275, 1478043.736, 21.222 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244076.2474709399, 1477999.9964556363, -0.198 ], [ 244076.2474709399, 1478043.7364556366, -0.198 ], [ 244203.9274709399, 1478043.7364556366, 21.222 ], [ 244203.9274709399, 1477999.9964556363, 21.222 ], [ 244076.2474709399, 1477999.9964556363, -0.198 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T00:55:33+00:00", "end_time": "2011-09-18T23:47:39+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": "20070218_guam_55pbq4482_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6379680700553, 13.40212182644878, -0.3 ], [ 144.63795293943062, 13.403671096857046, -0.3 ], [ 144.64104718757667, 13.403700041962066, 0.5 ], [ 144.64106229842378, 13.402150768090012, 0.5 ], [ 144.6379680700553, 13.40212182644878, -0.3 ] ] ] }, "bbox": [ 144.6379529, 13.40212183, -0.3, 144.6410623, 13.40370004, 0.5 ], "properties": { "datetime": "2011-09-16T08:42:19Z", "pc:count": 506, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244348.5139, "count": 506, "maximum": 244546.3704, "minimum": 244211.0904, "name": "X", "position": 0, "stddev": 71.78464417, "variance": 5153.035139 }, { "average": 1482946.678, "count": 506, "maximum": 1482999.397, "minimum": 1482827.917, "name": "Y", "position": 1, "stddev": 39.61944604, "variance": 1569.700505 }, { "average": 0.1048616601, "count": 506, "maximum": 0.5, "minimum": -0.3, "name": "Z", "position": 2, "stddev": 0.167695152, "variance": 0.02812166399 }, { "average": 5.565217391, "count": 506, "maximum": 21, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 3.192921573, "variance": 10.19474817 }, { "average": 1.5, "count": 506, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5004948047, "variance": 0.2504950495 }, { "average": 2, "count": 506, "maximum": 2, "minimum": 2, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0.7351778656, "count": 506, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4416751057, "variance": 0.195076899 }, { "average": 0, "count": 506, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1, "count": 506, "maximum": 1, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 10.73544661, "count": 506, "maximum": 37.9980011, "minimum": -27, "name": "ScanAngleRank", "position": 9, "stddev": 16.63488936, "variance": 276.719544 }, { "average": 0, "count": 506, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 16, "count": 506, "maximum": 16, "minimum": 16, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 197736.9906, "count": 506, "maximum": 197739.4225, "minimum": 197736.0064, "name": "GpsTime", "position": 12, "stddev": 0.7994930642, "variance": 0.6391891597 }, { "average": 0, "count": 506, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 506, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 506, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 506, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 506, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244211.0904, 1482827.917, -0.3, 244546.3704, 1482999.397, 0.5 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244211.09041898447, 1482827.9166300853, -0.3 ], [ 244211.09041898447, 1482999.3966300853, -0.3 ], [ 244546.3704189845, 1482999.3966300853, 0.5 ], [ 244546.3704189845, 1482827.9166300853, 0.5 ], [ 244211.09041898447, 1482827.9166300853, -0.3 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T08:42:19+00:00", "end_time": "2011-09-16T08:42:16+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4482_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4482_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4482_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4482_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6379529, 13.40212183, -0.3, 144.6410623, 13.40370004, 0.5 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6379680700553, 13.40212182644878, -0.3 ], [ 144.63795293943062, 13.403671096857046, -0.3 ], [ 144.64104718757667, 13.403700041962066, 0.5 ], [ 144.64106229842378, 13.402150768090012, 0.5 ], [ 144.6379680700553, 13.40212182644878, -0.3 ] ] ] }, "id": "20070218_guam_55pbq4482_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4482_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-16T08:42:19Z", "pc:count": 506, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244348.5139, "count": 506, "maximum": 244546.3704, "minimum": 244211.0904, "name": "X", "position": 0, "stddev": 71.78464417, "variance": 5153.035139 }, { "average": 1482946.678, "count": 506, "maximum": 1482999.397, "minimum": 1482827.917, "name": "Y", "position": 1, "stddev": 39.61944604, "variance": 1569.700505 }, { "average": 0.1048616601, "count": 506, "maximum": 0.5, "minimum": -0.3, "name": "Z", "position": 2, "stddev": 0.167695152, "variance": 0.02812166399 }, { "average": 5.565217391, "count": 506, "maximum": 21, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 3.192921573, "variance": 10.19474817 }, { "average": 1.5, "count": 506, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5004948047, "variance": 0.2504950495 }, { "average": 2, "count": 506, "maximum": 2, "minimum": 2, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0.7351778656, "count": 506, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4416751057, "variance": 0.195076899 }, { "average": 0, "count": 506, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1, "count": 506, "maximum": 1, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 10.73544661, "count": 506, "maximum": 37.9980011, "minimum": -27, "name": "ScanAngleRank", "position": 9, "stddev": 16.63488936, "variance": 276.719544 }, { "average": 0, "count": 506, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 16, "count": 506, "maximum": 16, "minimum": 16, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 197736.9906, "count": 506, "maximum": 197739.4225, "minimum": 197736.0064, "name": "GpsTime", "position": 12, "stddev": 0.7994930642, "variance": 0.6391891597 }, { "average": 0, "count": 506, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 506, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 506, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 506, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 506, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244211.0904, 1482827.917, -0.3, 244546.3704, 1482999.397, 0.5 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244211.09041898447, 1482827.9166300853, -0.3 ], [ 244211.09041898447, 1482999.3966300853, -0.3 ], [ 244546.3704189845, 1482999.3966300853, 0.5 ], [ 244546.3704189845, 1482827.9166300853, 0.5 ], [ 244211.09041898447, 1482827.9166300853, -0.3 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T08:42:19+00:00", "end_time": "2011-09-16T08:42:16+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": "20070218_guam_55pbq4483_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63603596072133, 13.40366079972017, -0.5415 ], [ 144.63594763853493, 13.412693134369553, -0.5415 ], [ 144.64514509036093, 13.412779187322556, 505.8385 ], [ 144.64523306967763, 13.403746792675632, 505.8385 ], [ 144.63603596072133, 13.40366079972017, -0.5415 ] ] ] }, "bbox": [ 144.6359476, 13.4036608, -0.5415, 144.6452331, 13.41277919, 505.8385 ], "properties": { "datetime": "2011-09-16T08:42:29Z", "pc:count": 27354, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244583.7563, "count": 27354, "maximum": 244999.9422, "minimum": 244003.3822, "name": "X", "position": 0, "stddev": 221.5353735, "variance": 49077.92173 }, { "average": 1483617.591, "count": 27354, "maximum": 1483999.984, "minimum": 1483000.244, "name": "Y", "position": 1, "stddev": 245.517441, "variance": 60278.81384 }, { "average": 0.1278017475, "count": 27354, "maximum": 505.8385, "minimum": -0.5415, "name": "Z", "position": 2, "stddev": 4.327907923, "variance": 18.73078699 }, { "average": 5.887621554, "count": 27354, "maximum": 53, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 3.535720281, "variance": 12.50131791 }, { "average": 1.5, "count": 27354, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000091397, "variance": 0.2500091398 }, { "average": 2, "count": 27354, "maximum": 2, "minimum": 2, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0.3535131973, "count": 27354, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4780690033, "variance": 0.2285499719 }, { "average": 0, "count": 27354, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27354, "maximum": 1, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": -7.380163176, "count": 27354, "maximum": 39, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 20.12461297, "variance": 405.0000473 }, { "average": 0, "count": 27354, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 16, "count": 27354, "maximum": 16, "minimum": 16, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 194405.0895, "count": 27354, "maximum": 197749.8973, "minimum": 189085.019, "name": "GpsTime", "position": 12, "stddev": 2331.077277, "variance": 5433921.273 }, { "average": 0, "count": 27354, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27354, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27354, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27354, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27354, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244003.3822, 1483000.244, -0.5415, 244999.9422, 1483999.984, 505.8385 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244003.3822018313, 1483000.243758618, -0.5415 ], [ 244003.3822018313, 1483999.9837586181, -0.5415 ], [ 244999.9422018313, 1483999.9837586181, 505.8385 ], [ 244999.9422018313, 1483000.243758618, 505.8385 ], [ 244003.3822018313, 1483000.243758618, -0.5415 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T08:42:29+00:00", "end_time": "2011-09-16T06:18:05+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4483_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4483_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4483_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4483_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6359476, 13.4036608, -0.5415, 144.6452331, 13.41277919, 505.8385 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63603596072133, 13.40366079972017, -0.5415 ], [ 144.63594763853493, 13.412693134369553, -0.5415 ], [ 144.64514509036093, 13.412779187322556, 505.8385 ], [ 144.64523306967763, 13.403746792675632, 505.8385 ], [ 144.63603596072133, 13.40366079972017, -0.5415 ] ] ] }, "id": "20070218_guam_55pbq4483_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4483_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-16T08:42:29Z", "pc:count": 27354, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244583.7563, "count": 27354, "maximum": 244999.9422, "minimum": 244003.3822, "name": "X", "position": 0, "stddev": 221.5353735, "variance": 49077.92173 }, { "average": 1483617.591, "count": 27354, "maximum": 1483999.984, "minimum": 1483000.244, "name": "Y", "position": 1, "stddev": 245.517441, "variance": 60278.81384 }, { "average": 0.1278017475, "count": 27354, "maximum": 505.8385, "minimum": -0.5415, "name": "Z", "position": 2, "stddev": 4.327907923, "variance": 18.73078699 }, { "average": 5.887621554, "count": 27354, "maximum": 53, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 3.535720281, "variance": 12.50131791 }, { "average": 1.5, "count": 27354, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000091397, "variance": 0.2500091398 }, { "average": 2, "count": 27354, "maximum": 2, "minimum": 2, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0.3535131973, "count": 27354, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4780690033, "variance": 0.2285499719 }, { "average": 0, "count": 27354, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1, "count": 27354, "maximum": 1, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": -7.380163176, "count": 27354, "maximum": 39, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 20.12461297, "variance": 405.0000473 }, { "average": 0, "count": 27354, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 16, "count": 27354, "maximum": 16, "minimum": 16, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 194405.0895, "count": 27354, "maximum": 197749.8973, "minimum": 189085.019, "name": "GpsTime", "position": 12, "stddev": 2331.077277, "variance": 5433921.273 }, { "average": 0, "count": 27354, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27354, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27354, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27354, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 27354, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244003.3822, 1483000.244, -0.5415, 244999.9422, 1483999.984, 505.8385 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244003.3822018313, 1483000.243758618, -0.5415 ], [ 244003.3822018313, 1483999.9837586181, -0.5415 ], [ 244999.9422018313, 1483999.9837586181, 505.8385 ], [ 244999.9422018313, 1483000.243758618, 505.8385 ], [ 244003.3822018313, 1483000.243758618, -0.5415 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T08:42:29+00:00", "end_time": "2011-09-16T06:18:05+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": "20070218_guam_55pbq4288_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.62026583829552, 13.448687680485358, -0.9265 ], [ 144.62018099348728, 13.457277006461815, -0.9265 ], [ 144.62624709897705, 13.457334341395237, 12.8935 ], [ 144.62633172805738, 13.448744977786687, 12.8935 ], [ 144.62026583829552, 13.448687680485358, -0.9265 ] ] ] }, "bbox": [ 144.620181, 13.44868768, -0.9265, 144.6263317, 13.45733434, 12.8935 ], "properties": { "datetime": "2011-09-21T00:30:49Z", "pc:count": 52833, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 242873.4234, "count": 52833, "maximum": 242999.9848, "minimum": 242342.8248, "name": "X", "position": 0, "stddev": 78.55673551, "variance": 6171.160694 }, { "average": 1488750.789, "count": 52833, "maximum": 1488950.748, "minimum": 1488000.028, "name": "Y", "position": 1, "stddev": 111.6999209, "variance": 12476.87233 }, { "average": 6.546384561, "count": 52833, "maximum": 12.8935, "minimum": -0.9265, "name": "Z", "position": 2, "stddev": 3.993921824, "variance": 15.95141154 }, { "average": 33.89432741, "count": 52833, "maximum": 62, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.191812654, "variance": 84.48941986 }, { "average": 1.499952681, "count": 52833, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000047297, "variance": 0.2500047297 }, { "average": 1.999716087, "count": 52833, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01684749918, "variance": 0.0002838382287 }, { "average": 0.5065016183, "count": 52833, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999624587, "variance": 0.2499624601 }, { "average": 0, "count": 52833, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.145515114, "count": 52833, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3691441589, "variance": 0.13626741 }, { "average": -5.652137433, "count": 52833, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 21.86267443, "variance": 477.9765332 }, { "average": 0, "count": 52833, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 19, "count": 52833, "maximum": 19, "minimum": 19, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 521295.6259, "count": 52833, "maximum": 600249.8294, "minimum": 520096.5715, "name": "GpsTime", "position": 12, "stddev": 8552.546633, "variance": 73146053.91 }, { "average": 0, "count": 52833, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 52833, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 52833, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 52833, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 52833, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242342.8248, 1488000.028, -0.9265, 242999.9848, 1488950.748, 12.8935 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242342.82476468864, 1488000.0283724503, -0.9265 ], [ 242342.82476468864, 1488950.7483724505, -0.9265 ], [ 242999.98476468862, 1488950.7483724505, 12.8935 ], [ 242999.98476468862, 1488000.0283724503, 12.8935 ], [ 242342.82476468864, 1488000.0283724503, -0.9265 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-21T00:30:49+00:00", "end_time": "2011-09-20T02:14:56+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4288_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4288_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4288_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4288_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.620181, 13.44868768, -0.9265, 144.6263317, 13.45733434, 12.8935 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.62026583829552, 13.448687680485358, -0.9265 ], [ 144.62018099348728, 13.457277006461815, -0.9265 ], [ 144.62624709897705, 13.457334341395237, 12.8935 ], [ 144.62633172805738, 13.448744977786687, 12.8935 ], [ 144.62026583829552, 13.448687680485358, -0.9265 ] ] ] }, "id": "20070218_guam_55pbq4288_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4288_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-21T00:30:49Z", "pc:count": 52833, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 242873.4234, "count": 52833, "maximum": 242999.9848, "minimum": 242342.8248, "name": "X", "position": 0, "stddev": 78.55673551, "variance": 6171.160694 }, { "average": 1488750.789, "count": 52833, "maximum": 1488950.748, "minimum": 1488000.028, "name": "Y", "position": 1, "stddev": 111.6999209, "variance": 12476.87233 }, { "average": 6.546384561, "count": 52833, "maximum": 12.8935, "minimum": -0.9265, "name": "Z", "position": 2, "stddev": 3.993921824, "variance": 15.95141154 }, { "average": 33.89432741, "count": 52833, "maximum": 62, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.191812654, "variance": 84.48941986 }, { "average": 1.499952681, "count": 52833, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000047297, "variance": 0.2500047297 }, { "average": 1.999716087, "count": 52833, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01684749918, "variance": 0.0002838382287 }, { "average": 0.5065016183, "count": 52833, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999624587, "variance": 0.2499624601 }, { "average": 0, "count": 52833, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.145515114, "count": 52833, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3691441589, "variance": 0.13626741 }, { "average": -5.652137433, "count": 52833, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 21.86267443, "variance": 477.9765332 }, { "average": 0, "count": 52833, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 19, "count": 52833, "maximum": 19, "minimum": 19, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 521295.6259, "count": 52833, "maximum": 600249.8294, "minimum": 520096.5715, "name": "GpsTime", "position": 12, "stddev": 8552.546633, "variance": 73146053.91 }, { "average": 0, "count": 52833, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 52833, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 52833, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 52833, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 52833, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242342.8248, 1488000.028, -0.9265, 242999.9848, 1488950.748, 12.8935 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242342.82476468864, 1488000.0283724503, -0.9265 ], [ 242342.82476468864, 1488950.7483724505, -0.9265 ], [ 242999.98476468862, 1488950.7483724505, 12.8935 ], [ 242999.98476468862, 1488000.0283724503, 12.8935 ], [ 242342.82476468864, 1488000.0283724503, -0.9265 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-21T00:30:49+00:00", "end_time": "2011-09-20T02:14:56+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": "20070218_guam_55pbq4375_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63616255826992, 13.340146281189188, -0.248 ], [ 144.63615998881636, 13.340410456788172, -0.248 ], [ 144.63662112528286, 13.340414757330985, 14.552 ], [ 144.6366236942362, 13.340150581643838, 14.552 ], [ 144.63616255826992, 13.340146281189188, -0.248 ] ] ] }, "bbox": [ 144.63616, 13.34014628, -0.248, 144.6366237, 13.34041476, 14.552 ], "properties": { "datetime": "2011-09-18T00:25:17Z", "pc:count": 1538, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243987.4913, "count": 1538, "maximum": 243999.9729, "minimum": 243949.9929, "name": "X", "position": 0, "stddev": 9.499774386, "variance": 90.24571339 }, { "average": 1475990.313, "count": 1538, "maximum": 1475999.936, "minimum": 1475970.696, "name": "Y", "position": 1, "stddev": 6.908008298, "variance": 47.72057865 }, { "average": 3.145615085, "count": 1538, "maximum": 14.552, "minimum": -0.248, "name": "Z", "position": 2, "stddev": 3.885256008, "variance": 15.09521425 }, { "average": 23.41287386, "count": 1538, "maximum": 47, "minimum": 2, "name": "Intensity", "position": 3, "stddev": 11.18789734, "variance": 125.1690469 }, { "average": 1.49869961, "count": 1538, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5001609365, "variance": 0.2501609624 }, { "average": 2, "count": 1538, "maximum": 2, "minimum": 2, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0.4908972692, "count": 1538, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.5000797345, "variance": 0.2500797409 }, { "average": 0, "count": 1538, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.100130039, "count": 1538, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4101668052, "variance": 0.1682368081 }, { "average": 0.3543823229, "count": 1538, "maximum": 33, "minimum": -33, "name": "ScanAngleRank", "position": 9, "stddev": 23.99992945, "variance": 575.9966136 }, { "average": 0, "count": 1538, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 15, "count": 1538, "maximum": 15, "minimum": 15, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 340023.6088, "count": 1538, "maximum": 340717.8434, "minimum": 338989.6671, "name": "GpsTime", "position": 12, "stddev": 776.2504376, "variance": 602564.7419 }, { "average": 0, "count": 1538, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1538, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1538, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1538, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1538, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243949.9929, 1475970.696, -0.248, 243999.9729, 1475999.936, 14.552 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243949.99292579739, 1475970.6963685825, -0.248 ], [ 243949.99292579739, 1475999.9363685828, -0.248 ], [ 243999.97292579737, 1475999.9363685828, 14.552 ], [ 243999.97292579737, 1475970.6963685825, 14.552 ], [ 243949.99292579739, 1475970.6963685825, -0.248 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-18T00:25:17+00:00", "end_time": "2011-09-17T23:56:29+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4375_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4375_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4375_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4375_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.63616, 13.34014628, -0.248, 144.6366237, 13.34041476, 14.552 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63616255826992, 13.340146281189188, -0.248 ], [ 144.63615998881636, 13.340410456788172, -0.248 ], [ 144.63662112528286, 13.340414757330985, 14.552 ], [ 144.6366236942362, 13.340150581643838, 14.552 ], [ 144.63616255826992, 13.340146281189188, -0.248 ] ] ] }, "id": "20070218_guam_55pbq4375_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4375_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-18T00:25:17Z", "pc:count": 1538, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243987.4913, "count": 1538, "maximum": 243999.9729, "minimum": 243949.9929, "name": "X", "position": 0, "stddev": 9.499774386, "variance": 90.24571339 }, { "average": 1475990.313, "count": 1538, "maximum": 1475999.936, "minimum": 1475970.696, "name": "Y", "position": 1, "stddev": 6.908008298, "variance": 47.72057865 }, { "average": 3.145615085, "count": 1538, "maximum": 14.552, "minimum": -0.248, "name": "Z", "position": 2, "stddev": 3.885256008, "variance": 15.09521425 }, { "average": 23.41287386, "count": 1538, "maximum": 47, "minimum": 2, "name": "Intensity", "position": 3, "stddev": 11.18789734, "variance": 125.1690469 }, { "average": 1.49869961, "count": 1538, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5001609365, "variance": 0.2501609624 }, { "average": 2, "count": 1538, "maximum": 2, "minimum": 2, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0.4908972692, "count": 1538, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.5000797345, "variance": 0.2500797409 }, { "average": 0, "count": 1538, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.100130039, "count": 1538, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4101668052, "variance": 0.1682368081 }, { "average": 0.3543823229, "count": 1538, "maximum": 33, "minimum": -33, "name": "ScanAngleRank", "position": 9, "stddev": 23.99992945, "variance": 575.9966136 }, { "average": 0, "count": 1538, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 15, "count": 1538, "maximum": 15, "minimum": 15, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 340023.6088, "count": 1538, "maximum": 340717.8434, "minimum": 338989.6671, "name": "GpsTime", "position": 12, "stddev": 776.2504376, "variance": 602564.7419 }, { "average": 0, "count": 1538, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1538, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1538, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1538, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1538, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243949.9929, 1475970.696, -0.248, 243999.9729, 1475999.936, 14.552 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243949.99292579739, 1475970.6963685825, -0.248 ], [ 243949.99292579739, 1475999.9363685828, -0.248 ], [ 243999.97292579737, 1475999.9363685828, 14.552 ], [ 243999.97292579737, 1475970.6963685825, 14.552 ], [ 243949.99292579739, 1475970.6963685825, -0.248 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-18T00:25:17+00:00", "end_time": "2011-09-17T23:56:29+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": "20070218_guam_55pbq4484_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6397093713045, 13.417602024694633, -0.4195 ], [ 144.63966870514994, 13.421763588046899, -0.4195 ], [ 144.64505747491967, 13.421813998880403, 46.9605 ], [ 144.64509804843522, 13.417652419343822, 46.9605 ], [ 144.6397093713045, 13.417602024694633, -0.4195 ] ] ] }, "bbox": [ 144.6396687, 13.41760202, -0.4195, 144.645098, 13.421814, 46.9605 ], "properties": { "datetime": "2011-09-16T06:40:41Z", "pc:count": 554076, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244770.9876, "count": 554076, "maximum": 244999.9912, "minimum": 244416.1312, "name": "X", "position": 0, "stddev": 145.8413386, "variance": 21269.69604 }, { "average": 1484814.039, "count": 554076, "maximum": 1484999.992, "minimum": 1484539.372, "name": "Y", "position": 1, "stddev": 115.1483724, "variance": 13259.14766 }, { "average": 24.34402943, "count": 554076, "maximum": 46.9605, "minimum": -0.4195, "name": "Z", "position": 2, "stddev": 6.37718329, "variance": 40.66846671 }, { "average": 31.85409583, "count": 554076, "maximum": 161, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.917979457, "variance": 98.3663165 }, { "average": 1.499898931, "count": 554076, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.500000441, "variance": 0.250000441 }, { "average": 1.999707621, "count": 554076, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01709659923, "variance": 0.0002922937051 }, { "average": 0.5163912532, "count": 554076, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4997317056, "variance": 0.2497317775 }, { "average": 0, "count": 554076, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.210667851, "count": 554076, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4208515966, "variance": 0.1771160664 }, { "average": 1.127555551, "count": 554076, "maximum": 39, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.36382496, "variance": 643.3236167 }, { "average": 0, "count": 554076, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 16.75558768, "count": 554076, "maximum": 17, "minimum": 16, "name": "PointSourceId", "position": 11, "stddev": 0.4297386073, "variance": 0.1846752706 }, { "average": 186768.476, "count": 554076, "maximum": 190441.7588, "minimum": 175797.3807, "name": "GpsTime", "position": 12, "stddev": 2801.570503, "variance": 7848797.282 }, { "average": 0, "count": 554076, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 554076, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 554076, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 554076, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 554076, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244416.1312, 1484539.372, -0.4195, 244999.9912, 1484999.992, 46.9605 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244416.13121086813, 1484539.3715793837, -0.4195 ], [ 244416.13121086813, 1484999.9915793838, -0.4195 ], [ 244999.99121086812, 1484999.9915793838, 46.9605 ], [ 244999.99121086812, 1484539.3715793837, 46.9605 ], [ 244416.13121086813, 1484539.3715793837, -0.4195 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T06:40:41+00:00", "end_time": "2011-09-16T02:36:37+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4484_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4484_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4484_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4484_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6396687, 13.41760202, -0.4195, 144.645098, 13.421814, 46.9605 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6397093713045, 13.417602024694633, -0.4195 ], [ 144.63966870514994, 13.421763588046899, -0.4195 ], [ 144.64505747491967, 13.421813998880403, 46.9605 ], [ 144.64509804843522, 13.417652419343822, 46.9605 ], [ 144.6397093713045, 13.417602024694633, -0.4195 ] ] ] }, "id": "20070218_guam_55pbq4484_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4484_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-16T06:40:41Z", "pc:count": 554076, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244770.9876, "count": 554076, "maximum": 244999.9912, "minimum": 244416.1312, "name": "X", "position": 0, "stddev": 145.8413386, "variance": 21269.69604 }, { "average": 1484814.039, "count": 554076, "maximum": 1484999.992, "minimum": 1484539.372, "name": "Y", "position": 1, "stddev": 115.1483724, "variance": 13259.14766 }, { "average": 24.34402943, "count": 554076, "maximum": 46.9605, "minimum": -0.4195, "name": "Z", "position": 2, "stddev": 6.37718329, "variance": 40.66846671 }, { "average": 31.85409583, "count": 554076, "maximum": 161, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.917979457, "variance": 98.3663165 }, { "average": 1.499898931, "count": 554076, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.500000441, "variance": 0.250000441 }, { "average": 1.999707621, "count": 554076, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01709659923, "variance": 0.0002922937051 }, { "average": 0.5163912532, "count": 554076, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4997317056, "variance": 0.2497317775 }, { "average": 0, "count": 554076, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.210667851, "count": 554076, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4208515966, "variance": 0.1771160664 }, { "average": 1.127555551, "count": 554076, "maximum": 39, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.36382496, "variance": 643.3236167 }, { "average": 0, "count": 554076, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 16.75558768, "count": 554076, "maximum": 17, "minimum": 16, "name": "PointSourceId", "position": 11, "stddev": 0.4297386073, "variance": 0.1846752706 }, { "average": 186768.476, "count": 554076, "maximum": 190441.7588, "minimum": 175797.3807, "name": "GpsTime", "position": 12, "stddev": 2801.570503, "variance": 7848797.282 }, { "average": 0, "count": 554076, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 554076, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 554076, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 554076, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 554076, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244416.1312, 1484539.372, -0.4195, 244999.9912, 1484999.992, 46.9605 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244416.13121086813, 1484539.3715793837, -0.4195 ], [ 244416.13121086813, 1484999.9915793838, -0.4195 ], [ 244999.99121086812, 1484999.9915793838, 46.9605 ], [ 244999.99121086812, 1484539.3715793837, 46.9605 ], [ 244416.13121086813, 1484539.3715793837, -0.4195 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T06:40:41+00:00", "end_time": "2011-09-16T02:36:37+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": "20070218_guam_55pbq4376_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63209806258257, 13.340372996987286, -0.6135 ], [ 144.6320823013207, 13.341990570729832, -0.6135 ], [ 144.63660548444753, 13.342032795028976, 61.4065 ], [ 144.63662121566557, 13.340415215986747, 61.4065 ], [ 144.63209806258257, 13.340372996987286, -0.6135 ] ] ] }, "bbox": [ 144.6320823, 13.340373, -0.6135, 144.6366212, 13.3420328, 61.4065 ], "properties": { "datetime": "2011-09-18T02:16:34Z", "pc:count": 67895, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243821.9979, "count": 67895, "maximum": 243999.9832, "minimum": 243509.7432, "name": "X", "position": 0, "stddev": 173.1464294, "variance": 29979.68602 }, { "average": 1476096.874, "count": 67895, "maximum": 1476179.027, "minimum": 1475999.987, "name": "Y", "position": 1, "stddev": 41.87307137, "variance": 1753.354106 }, { "average": 17.37030676, "count": 67895, "maximum": 61.4065, "minimum": -0.6135, "name": "Z", "position": 2, "stddev": 15.53315313, "variance": 241.2788461 }, { "average": 22.88050666, "count": 67895, "maximum": 63, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 13.1929411, "variance": 174.0536947 }, { "average": 1.499830621, "count": 67895, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000036535, "variance": 0.2500036535 }, { "average": 1.999955814, "count": 67895, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.006647147782, "variance": 4.418457363e-05 }, { "average": 0.4965755947, "count": 67895, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999919554, "variance": 0.2499919555 }, { "average": 0, "count": 67895, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.05580676, "count": 67895, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2884126298, "variance": 0.083181845 }, { "average": -1.753433114, "count": 67895, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 23.8950708, "variance": 570.9744087 }, { "average": 0, "count": 67895, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 15, "count": 67895, "maximum": 15, "minimum": 15, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 342220.6561, "count": 67895, "maximum": 347394.0049, "minimum": 338989.9186, "name": "GpsTime", "position": 12, "stddev": 1868.25043, "variance": 3490359.667 }, { "average": 0, "count": 67895, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 67895, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 67895, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 67895, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 67895, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243509.7432, 1475999.987, -0.6135, 243999.9832, 1476179.027, 61.4065 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243509.74320435344, 1475999.987036518, -0.6135 ], [ 243509.74320435344, 1476179.027036518, -0.6135 ], [ 243999.98320435343, 1476179.027036518, 61.4065 ], [ 243999.98320435343, 1475999.987036518, 61.4065 ], [ 243509.74320435344, 1475999.987036518, -0.6135 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-18T02:16:34+00:00", "end_time": "2011-09-17T23:56:29+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4376_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4376_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4376_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4376_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6320823, 13.340373, -0.6135, 144.6366212, 13.3420328, 61.4065 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63209806258257, 13.340372996987286, -0.6135 ], [ 144.6320823013207, 13.341990570729832, -0.6135 ], [ 144.63660548444753, 13.342032795028976, 61.4065 ], [ 144.63662121566557, 13.340415215986747, 61.4065 ], [ 144.63209806258257, 13.340372996987286, -0.6135 ] ] ] }, "id": "20070218_guam_55pbq4376_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4376_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-18T02:16:34Z", "pc:count": 67895, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243821.9979, "count": 67895, "maximum": 243999.9832, "minimum": 243509.7432, "name": "X", "position": 0, "stddev": 173.1464294, "variance": 29979.68602 }, { "average": 1476096.874, "count": 67895, "maximum": 1476179.027, "minimum": 1475999.987, "name": "Y", "position": 1, "stddev": 41.87307137, "variance": 1753.354106 }, { "average": 17.37030676, "count": 67895, "maximum": 61.4065, "minimum": -0.6135, "name": "Z", "position": 2, "stddev": 15.53315313, "variance": 241.2788461 }, { "average": 22.88050666, "count": 67895, "maximum": 63, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 13.1929411, "variance": 174.0536947 }, { "average": 1.499830621, "count": 67895, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000036535, "variance": 0.2500036535 }, { "average": 1.999955814, "count": 67895, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.006647147782, "variance": 4.418457363e-05 }, { "average": 0.4965755947, "count": 67895, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999919554, "variance": 0.2499919555 }, { "average": 0, "count": 67895, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.05580676, "count": 67895, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2884126298, "variance": 0.083181845 }, { "average": -1.753433114, "count": 67895, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 23.8950708, "variance": 570.9744087 }, { "average": 0, "count": 67895, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 15, "count": 67895, "maximum": 15, "minimum": 15, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 342220.6561, "count": 67895, "maximum": 347394.0049, "minimum": 338989.9186, "name": "GpsTime", "position": 12, "stddev": 1868.25043, "variance": 3490359.667 }, { "average": 0, "count": 67895, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 67895, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 67895, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 67895, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 67895, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243509.7432, 1475999.987, -0.6135, 243999.9832, 1476179.027, 61.4065 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243509.74320435344, 1475999.987036518, -0.6135 ], [ 243509.74320435344, 1476179.027036518, -0.6135 ], [ 243999.98320435343, 1476179.027036518, 61.4065 ], [ 243999.98320435343, 1475999.987036518, 61.4065 ], [ 243509.74320435344, 1475999.987036518, -0.6135 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-18T02:16:34+00:00", "end_time": "2011-09-17T23:56:29+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": "20070218_guam_55pbq4586_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.64496937471975, 13.430848763020796, -0.2495 ], [ 144.64488117788505, 13.439883485691828, -0.2495 ], [ 144.6541114767767, 13.439969679254206, 46.9105 ], [ 144.65419932869366, 13.430934896573133, 46.9105 ], [ 144.64496937471975, 13.430848763020796, -0.2495 ] ] ] }, "bbox": [ 144.6448812, 13.43084876, -0.2495, 144.6541993, 13.43996968, 46.9105 ], "properties": { "datetime": "2011-09-17T03:51:53Z", "pc:count": 3077746, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 245488.5564, "count": 3077746, "maximum": 245999.9947, "minimum": 244999.9947, "name": "X", "position": 0, "stddev": 283.7803328, "variance": 80531.27727 }, { "average": 1486501.314, "count": 3077746, "maximum": 1486999.995, "minimum": 1485999.995, "name": "Y", "position": 1, "stddev": 287.0260135, "variance": 82383.9324 }, { "average": 21.52943239, "count": 3077746, "maximum": 46.9105, "minimum": -0.2495, "name": "Z", "position": 2, "stddev": 7.73004514, "variance": 59.75359786 }, { "average": 29.13589133, "count": 3077746, "maximum": 171, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.95963681, "variance": 120.113639 }, { "average": 1.499973682, "count": 3077746, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000805, "variance": 0.2500000805 }, { "average": 1.999828121, "count": 3077746, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01310913973, "variance": 0.0001718495444 }, { "average": 0.4877702708, "count": 3077746, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4998504926, "variance": 0.2498505149 }, { "average": 0, "count": 3077746, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.230240247, "count": 3077746, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4317543059, "variance": 0.1864117806 }, { "average": -0.8335248216, "count": 3077746, "maximum": 37.9980011, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.1127458, "variance": 630.6500015 }, { "average": 0, "count": 3077746, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 22.71051932, "count": 3077746, "maximum": 25, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 3.615816353, "variance": 13.0741279 }, { "average": 180241.7586, "count": 3077746, "maximum": 266713.2518, "minimum": 165235.3878, "name": "GpsTime", "position": 12, "stddev": 25475.7755, "variance": 649015137.4 }, { "average": 0, "count": 3077746, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3077746, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3077746, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3077746, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3077746, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244999.9947, 1485999.995, -0.2495, 245999.9947, 1486999.995, 46.9105 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244999.99471014255, 1485999.995371108, -0.2495 ], [ 244999.99471014255, 1486999.995371108, -0.2495 ], [ 245999.99471014255, 1486999.995371108, 46.9105 ], [ 245999.99471014255, 1485999.995371108, 46.9105 ], [ 244999.99471014255, 1485999.995371108, -0.2495 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-17T03:51:53+00:00", "end_time": "2011-09-15T23:40:35+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4586_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4586_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4586_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4586_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6448812, 13.43084876, -0.2495, 144.6541993, 13.43996968, 46.9105 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.64496937471975, 13.430848763020796, -0.2495 ], [ 144.64488117788505, 13.439883485691828, -0.2495 ], [ 144.6541114767767, 13.439969679254206, 46.9105 ], [ 144.65419932869366, 13.430934896573133, 46.9105 ], [ 144.64496937471975, 13.430848763020796, -0.2495 ] ] ] }, "id": "20070218_guam_55pbq4586_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4586_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-17T03:51:53Z", "pc:count": 3077746, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 245488.5564, "count": 3077746, "maximum": 245999.9947, "minimum": 244999.9947, "name": "X", "position": 0, "stddev": 283.7803328, "variance": 80531.27727 }, { "average": 1486501.314, "count": 3077746, "maximum": 1486999.995, "minimum": 1485999.995, "name": "Y", "position": 1, "stddev": 287.0260135, "variance": 82383.9324 }, { "average": 21.52943239, "count": 3077746, "maximum": 46.9105, "minimum": -0.2495, "name": "Z", "position": 2, "stddev": 7.73004514, "variance": 59.75359786 }, { "average": 29.13589133, "count": 3077746, "maximum": 171, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.95963681, "variance": 120.113639 }, { "average": 1.499973682, "count": 3077746, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000805, "variance": 0.2500000805 }, { "average": 1.999828121, "count": 3077746, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01310913973, "variance": 0.0001718495444 }, { "average": 0.4877702708, "count": 3077746, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4998504926, "variance": 0.2498505149 }, { "average": 0, "count": 3077746, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.230240247, "count": 3077746, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4317543059, "variance": 0.1864117806 }, { "average": -0.8335248216, "count": 3077746, "maximum": 37.9980011, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.1127458, "variance": 630.6500015 }, { "average": 0, "count": 3077746, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 22.71051932, "count": 3077746, "maximum": 25, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 3.615816353, "variance": 13.0741279 }, { "average": 180241.7586, "count": 3077746, "maximum": 266713.2518, "minimum": 165235.3878, "name": "GpsTime", "position": 12, "stddev": 25475.7755, "variance": 649015137.4 }, { "average": 0, "count": 3077746, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3077746, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3077746, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3077746, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3077746, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244999.9947, 1485999.995, -0.2495, 245999.9947, 1486999.995, 46.9105 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244999.99471014255, 1485999.995371108, -0.2495 ], [ 244999.99471014255, 1486999.995371108, -0.2495 ], [ 245999.99471014255, 1486999.995371108, 46.9105 ], [ 245999.99471014255, 1485999.995371108, 46.9105 ], [ 244999.99471014255, 1485999.995371108, -0.2495 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-17T03:51:53+00:00", "end_time": "2011-09-15T23:40:35+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": "20070218_guam_55pbq4377_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63592461963023, 13.356767070923988, 0.7025 ], [ 144.6359154888115, 13.357704513419709, 0.7025 ], [ 144.63645305821743, 13.357709533225922, 11.1825 ], [ 144.6364621869643, 13.356772090365503, 11.1825 ], [ 144.63592461963023, 13.356767070923988, 0.7025 ] ] ] }, "bbox": [ 144.6359155, 13.35676707, 0.7025, 144.6364622, 13.35770953, 11.1825 ], "properties": { "datetime": "2011-09-19T00:55:30Z", "pc:count": 14405, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243974.8072, "count": 14405, "maximum": 243999.9984, "minimum": 243941.7384, "name": "X", "position": 0, "stddev": 15.31604236, "variance": 234.5811536 }, { "average": 1477859.629, "count": 14405, "maximum": 1477914.191, "minimum": 1477810.431, "name": "Y", "position": 1, "stddev": 23.567006, "variance": 555.403772 }, { "average": 5.520699236, "count": 14405, "maximum": 11.1825, "minimum": 0.7025, "name": "Z", "position": 2, "stddev": 1.990894998, "variance": 3.963662891 }, { "average": 35.92960778, "count": 14405, "maximum": 55, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.125443396, "variance": 83.27371718 }, { "average": 1.499895869, "count": 14405, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000173451, "variance": 0.2500173454 }, { "average": 1.999791739, "count": 14405, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01443024959, "variance": 0.0002082321034 }, { "average": 0.5725095453, "count": 14405, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4947316011, "variance": 0.2447593571 }, { "average": 0, "count": 14405, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.054911489, "count": 14405, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2989806124, "variance": 0.08938940656 }, { "average": 5.383820273, "count": 14405, "maximum": 36, "minimum": -37.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 27.06084124, "variance": 732.2891287 }, { "average": 0, "count": 14405, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 15, "count": 14405, "maximum": 15, "minimum": 15, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 427267.994, "count": 14405, "maximum": 428930.402, "minimum": 424855.6263, "name": "GpsTime", "position": 12, "stddev": 1699.224518, "variance": 2887363.964 }, { "average": 0, "count": 14405, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14405, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14405, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14405, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14405, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243941.7384, 1477810.431, 0.7025, 243999.9984, 1477914.191, 11.1825 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243941.73844020325, 1477810.4311243882, 0.7025 ], [ 243941.73844020325, 1477914.191124388, 0.7025 ], [ 243999.99844020326, 1477914.191124388, 11.1825 ], [ 243999.99844020326, 1477810.4311243882, 11.1825 ], [ 243941.73844020325, 1477810.4311243882, 0.7025 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T00:55:30+00:00", "end_time": "2011-09-18T23:47:35+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4377_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4377_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4377_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4377_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6359155, 13.35676707, 0.7025, 144.6364622, 13.35770953, 11.1825 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63592461963023, 13.356767070923988, 0.7025 ], [ 144.6359154888115, 13.357704513419709, 0.7025 ], [ 144.63645305821743, 13.357709533225922, 11.1825 ], [ 144.6364621869643, 13.356772090365503, 11.1825 ], [ 144.63592461963023, 13.356767070923988, 0.7025 ] ] ] }, "id": "20070218_guam_55pbq4377_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4377_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-19T00:55:30Z", "pc:count": 14405, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243974.8072, "count": 14405, "maximum": 243999.9984, "minimum": 243941.7384, "name": "X", "position": 0, "stddev": 15.31604236, "variance": 234.5811536 }, { "average": 1477859.629, "count": 14405, "maximum": 1477914.191, "minimum": 1477810.431, "name": "Y", "position": 1, "stddev": 23.567006, "variance": 555.403772 }, { "average": 5.520699236, "count": 14405, "maximum": 11.1825, "minimum": 0.7025, "name": "Z", "position": 2, "stddev": 1.990894998, "variance": 3.963662891 }, { "average": 35.92960778, "count": 14405, "maximum": 55, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.125443396, "variance": 83.27371718 }, { "average": 1.499895869, "count": 14405, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000173451, "variance": 0.2500173454 }, { "average": 1.999791739, "count": 14405, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01443024959, "variance": 0.0002082321034 }, { "average": 0.5725095453, "count": 14405, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4947316011, "variance": 0.2447593571 }, { "average": 0, "count": 14405, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.054911489, "count": 14405, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2989806124, "variance": 0.08938940656 }, { "average": 5.383820273, "count": 14405, "maximum": 36, "minimum": -37.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 27.06084124, "variance": 732.2891287 }, { "average": 0, "count": 14405, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 15, "count": 14405, "maximum": 15, "minimum": 15, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 427267.994, "count": 14405, "maximum": 428930.402, "minimum": 424855.6263, "name": "GpsTime", "position": 12, "stddev": 1699.224518, "variance": 2887363.964 }, { "average": 0, "count": 14405, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14405, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14405, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14405, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 14405, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243941.7384, 1477810.431, 0.7025, 243999.9984, 1477914.191, 11.1825 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243941.73844020325, 1477810.4311243882, 0.7025 ], [ 243941.73844020325, 1477914.191124388, 0.7025 ], [ 243999.99844020326, 1477914.191124388, 11.1825 ], [ 243999.99844020326, 1477810.4311243882, 11.1825 ], [ 243941.73844020325, 1477810.4311243882, 0.7025 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T00:55:30+00:00", "end_time": "2011-09-18T23:47:35+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": "20070218_guam_55pbq4986_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.68188957367042, 13.431191273894033, 3.299 ], [ 144.68180275659972, 13.440226235220862, 3.299 ], [ 144.69103331217897, 13.440311077953185, 99.499 ], [ 144.69111978422617, 13.431276057515207, 99.499 ], [ 144.68188957367042, 13.431191273894033, 3.299 ] ] ] }, "bbox": [ 144.6818028, 13.43119127, 3.299, 144.6911198, 13.44031108, 99.499 ], "properties": { "datetime": "2011-09-16T08:43:41Z", "pc:count": 2839282, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 249501.2271, "count": 2839282, "maximum": 249999.9944, "minimum": 248999.9944, "name": "X", "position": 0, "stddev": 288.0830332, "variance": 82991.83403 }, { "average": 1486496.965, "count": 2839282, "maximum": 1486999.996, "minimum": 1485999.996, "name": "Y", "position": 1, "stddev": 289.7881094, "variance": 83977.14835 }, { "average": 43.07340241, "count": 2839282, "maximum": 99.499, "minimum": 3.299, "name": "Z", "position": 2, "stddev": 19.80455442, "variance": 392.2203758 }, { "average": 23.64262866, "count": 2839282, "maximum": 64, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.61174078, "variance": 134.8325239 }, { "average": 1.499961258, "count": 2839282, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000865, "variance": 0.2500000865 }, { "average": 1.999826365, "count": 2839282, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01317593864, "variance": 0.0001736053591 }, { "average": 0.4964226871, "count": 2839282, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999872907, "variance": 0.2499872909 }, { "average": 0, "count": 2839282, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.06045296, "count": 2839282, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2561454848, "variance": 0.06561050937 }, { "average": -0.3205211059, "count": 2839282, "maximum": 40.0019989, "minimum": -40.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 25.64271314, "variance": 657.5487373 }, { "average": 0, "count": 2839282, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 31, "count": 2839282, "maximum": 31, "minimum": 31, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 86307.39018, "count": 2839282, "maximum": 197821.0579, "minimum": 27816.10344, "name": "GpsTime", "position": 12, "stddev": 16269.29128, "variance": 264689838.6 }, { "average": 0, "count": 2839282, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2839282, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2839282, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2839282, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2839282, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 248999.9944, 1485999.996, 3.299, 249999.9944, 1486999.996, 99.499 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 248999.99436234406, 1485999.9955327148, 3.299 ], [ 248999.99436234406, 1486999.9955327148, 3.299 ], [ 249999.99436234406, 1486999.9955327148, 99.499 ], [ 249999.99436234406, 1485999.9955327148, 99.499 ], [ 248999.99436234406, 1485999.9955327148, 3.299 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T08:43:41+00:00", "end_time": "2011-09-14T09:30:16+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4986_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4986_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4986_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4986_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6818028, 13.43119127, 3.299, 144.6911198, 13.44031108, 99.499 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.68188957367042, 13.431191273894033, 3.299 ], [ 144.68180275659972, 13.440226235220862, 3.299 ], [ 144.69103331217897, 13.440311077953185, 99.499 ], [ 144.69111978422617, 13.431276057515207, 99.499 ], [ 144.68188957367042, 13.431191273894033, 3.299 ] ] ] }, "id": "20070218_guam_55pbq4986_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4986_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-16T08:43:41Z", "pc:count": 2839282, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 249501.2271, "count": 2839282, "maximum": 249999.9944, "minimum": 248999.9944, "name": "X", "position": 0, "stddev": 288.0830332, "variance": 82991.83403 }, { "average": 1486496.965, "count": 2839282, "maximum": 1486999.996, "minimum": 1485999.996, "name": "Y", "position": 1, "stddev": 289.7881094, "variance": 83977.14835 }, { "average": 43.07340241, "count": 2839282, "maximum": 99.499, "minimum": 3.299, "name": "Z", "position": 2, "stddev": 19.80455442, "variance": 392.2203758 }, { "average": 23.64262866, "count": 2839282, "maximum": 64, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.61174078, "variance": 134.8325239 }, { "average": 1.499961258, "count": 2839282, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000865, "variance": 0.2500000865 }, { "average": 1.999826365, "count": 2839282, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01317593864, "variance": 0.0001736053591 }, { "average": 0.4964226871, "count": 2839282, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999872907, "variance": 0.2499872909 }, { "average": 0, "count": 2839282, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.06045296, "count": 2839282, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2561454848, "variance": 0.06561050937 }, { "average": -0.3205211059, "count": 2839282, "maximum": 40.0019989, "minimum": -40.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 25.64271314, "variance": 657.5487373 }, { "average": 0, "count": 2839282, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 31, "count": 2839282, "maximum": 31, "minimum": 31, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 86307.39018, "count": 2839282, "maximum": 197821.0579, "minimum": 27816.10344, "name": "GpsTime", "position": 12, "stddev": 16269.29128, "variance": 264689838.6 }, { "average": 0, "count": 2839282, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2839282, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2839282, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2839282, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2839282, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 248999.9944, 1485999.996, 3.299, 249999.9944, 1486999.996, 99.499 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 248999.99436234406, 1485999.9955327148, 3.299 ], [ 248999.99436234406, 1486999.9955327148, 3.299 ], [ 249999.99436234406, 1486999.9955327148, 99.499 ], [ 249999.99436234406, 1485999.9955327148, 99.499 ], [ 248999.99436234406, 1485999.9955327148, 3.299 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T08:43:41+00:00", "end_time": "2011-09-14T09:30:16+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": "20070218_guam_55pbq4788_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6656228774847, 13.452524825156535, -0.377 ], [ 144.66556838839617, 13.458147388459004, -0.377 ], [ 144.67239776062203, 13.458210712105208, 21.843 ], [ 144.67245209062915, 13.452588121389317, 21.843 ], [ 144.6656228774847, 13.452524825156535, -0.377 ] ] ] }, "bbox": [ 144.6655684, 13.45252483, -0.377, 144.6724521, 13.45821071, 21.843 ], "properties": { "datetime": "2011-09-17T03:51:12Z", "pc:count": 759230, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 247672.7336, "count": 759230, "maximum": 247999.9956, "minimum": 247260.1756, "name": "X", "position": 0, "stddev": 208.4031924, "variance": 43431.89061 }, { "average": 1488749.661, "count": 759230, "maximum": 1488999.982, "minimum": 1488377.662, "name": "Y", "position": 1, "stddev": 156.6829913, "variance": 24549.55977 }, { "average": 2.963288937, "count": 759230, "maximum": 21.843, "minimum": -0.377, "name": "Z", "position": 2, "stddev": 2.259470733, "variance": 5.105207993 }, { "average": 25.37078751, "count": 759230, "maximum": 78, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.21753539, "variance": 104.3980294 }, { "average": 1.500002634, "count": 759230, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000003293, "variance": 0.2500003293 }, { "average": 1.999863019, "count": 759230, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01170308956, "variance": 0.0001369623052 }, { "average": 0.5110190588, "count": 759230, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4998788948, "variance": 0.2498789095 }, { "average": 0, "count": 759230, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.179140708, "count": 759230, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3941914688, "variance": 0.1553869141 }, { "average": 0.4330721025, "count": 759230, "maximum": 37.0019989, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.20727377, "variance": 635.4066508 }, { "average": 0, "count": 759230, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 26, "count": 759230, "maximum": 26, "minimum": 26, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 186956.2821, "count": 759230, "maximum": 266672.8409, "minimum": 165198.1437, "name": "GpsTime", "position": 12, "stddev": 37267.60757, "variance": 1388874574 }, { "average": 0, "count": 759230, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 759230, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 759230, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 759230, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 759230, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 247260.1756, 1488377.662, -0.377, 247999.9956, 1488999.982, 21.843 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 247260.1755581122, 1488377.6616057022, -0.377 ], [ 247260.1755581122, 1488999.981605702, -0.377 ], [ 247999.99555811222, 1488999.981605702, 21.843 ], [ 247999.99555811222, 1488377.6616057022, 21.843 ], [ 247260.1755581122, 1488377.6616057022, -0.377 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-17T03:51:12+00:00", "end_time": "2011-09-15T23:39:58+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4788_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4788_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4788_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4788_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6655684, 13.45252483, -0.377, 144.6724521, 13.45821071, 21.843 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6656228774847, 13.452524825156535, -0.377 ], [ 144.66556838839617, 13.458147388459004, -0.377 ], [ 144.67239776062203, 13.458210712105208, 21.843 ], [ 144.67245209062915, 13.452588121389317, 21.843 ], [ 144.6656228774847, 13.452524825156535, -0.377 ] ] ] }, "id": "20070218_guam_55pbq4788_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4788_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-17T03:51:12Z", "pc:count": 759230, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 247672.7336, "count": 759230, "maximum": 247999.9956, "minimum": 247260.1756, "name": "X", "position": 0, "stddev": 208.4031924, "variance": 43431.89061 }, { "average": 1488749.661, "count": 759230, "maximum": 1488999.982, "minimum": 1488377.662, "name": "Y", "position": 1, "stddev": 156.6829913, "variance": 24549.55977 }, { "average": 2.963288937, "count": 759230, "maximum": 21.843, "minimum": -0.377, "name": "Z", "position": 2, "stddev": 2.259470733, "variance": 5.105207993 }, { "average": 25.37078751, "count": 759230, "maximum": 78, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.21753539, "variance": 104.3980294 }, { "average": 1.500002634, "count": 759230, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000003293, "variance": 0.2500003293 }, { "average": 1.999863019, "count": 759230, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01170308956, "variance": 0.0001369623052 }, { "average": 0.5110190588, "count": 759230, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4998788948, "variance": 0.2498789095 }, { "average": 0, "count": 759230, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.179140708, "count": 759230, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3941914688, "variance": 0.1553869141 }, { "average": 0.4330721025, "count": 759230, "maximum": 37.0019989, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.20727377, "variance": 635.4066508 }, { "average": 0, "count": 759230, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 26, "count": 759230, "maximum": 26, "minimum": 26, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 186956.2821, "count": 759230, "maximum": 266672.8409, "minimum": 165198.1437, "name": "GpsTime", "position": 12, "stddev": 37267.60757, "variance": 1388874574 }, { "average": 0, "count": 759230, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 759230, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 759230, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 759230, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 759230, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 247260.1756, 1488377.662, -0.377, 247999.9956, 1488999.982, 21.843 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 247260.1755581122, 1488377.6616057022, -0.377 ], [ 247260.1755581122, 1488999.981605702, -0.377 ], [ 247999.99555811222, 1488999.981605702, 21.843 ], [ 247999.99555811222, 1488377.6616057022, 21.843 ], [ 247260.1755581122, 1488377.6616057022, -0.377 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-17T03:51:12+00:00", "end_time": "2011-09-15T23:39:58+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": "20070218_guam_55pbq5084_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.69129241632507, 13.413205989589283, 20.082 ], [ 144.69120607148756, 13.422241023959318, 20.082 ], [ 144.7004361854763, 13.422325412945707, 310.722 ], [ 144.7005221858084, 13.413290319724936, 310.722 ], [ 144.69129241632507, 13.413205989589283, 20.082 ] ] ] }, "bbox": [ 144.6912061, 13.41320599, 20.082, 144.7005222, 13.42232541, 310.722 ], "properties": { "datetime": "2011-09-20T00:15:41Z", "pc:count": 3285807, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 250515.8237, "count": 3285807, "maximum": 251000.0012, "minimum": 249999.9812, "name": "X", "position": 0, "stddev": 288.7097563, "variance": 83353.32336 }, { "average": 1484533.449, "count": 3285807, "maximum": 1484999.995, "minimum": 1483999.995, "name": "Y", "position": 1, "stddev": 285.9952493, "variance": 81793.28262 }, { "average": 109.2185634, "count": 3285807, "maximum": 310.722, "minimum": 20.082, "name": "Z", "position": 2, "stddev": 71.59116434, "variance": 5125.294812 }, { "average": 28.98426931, "count": 3285807, "maximum": 81, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 12.22109443, "variance": 149.3551491 }, { "average": 1.499954806, "count": 3285807, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.500000074, "variance": 0.250000074 }, { "average": 1.999899872, "count": 3285807, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01000587899, "variance": 0.0001001176144 }, { "average": 0.5002381455, "count": 3285807, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.5000000194, "variance": 0.2500000194 }, { "average": 0, "count": 3285807, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.111956667, "count": 3285807, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3300822773, "variance": 0.1089543098 }, { "average": -0.2109421305, "count": 3285807, "maximum": 42, "minimum": -42, "name": "ScanAngleRank", "position": 9, "stddev": 25.45579909, "variance": 647.9977074 }, { "average": 0, "count": 3285807, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 30.32543025, "count": 3285807, "maximum": 31, "minimum": 30, "name": "PointSourceId", "position": 11, "stddev": 0.4685354521, "variance": 0.2195254699 }, { "average": 421142.8877, "count": 3285807, "maximum": 512941.1598, "minimum": 19379.67812, "name": "GpsTime", "position": 12, "stddev": 140122.9186, "variance": 19634432310.0 }, { "average": 0, "count": 3285807, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3285807, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3285807, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3285807, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3285807, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 249999.9812, 1483999.995, 20.082, 251000.0012, 1484999.995, 310.722 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 249999.9812400189, 1483999.9949876461, 20.082 ], [ 249999.9812400189, 1484999.9949876461, 20.082 ], [ 251000.00124001893, 1484999.9949876461, 310.722 ], [ 251000.00124001893, 1483999.9949876461, 310.722 ], [ 249999.9812400189, 1483999.9949876461, 20.082 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T00:15:41+00:00", "end_time": "2011-09-14T07:09:39+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq5084_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq5084_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq5084_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq5084_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6912061, 13.41320599, 20.082, 144.7005222, 13.42232541, 310.722 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.69129241632507, 13.413205989589283, 20.082 ], [ 144.69120607148756, 13.422241023959318, 20.082 ], [ 144.7004361854763, 13.422325412945707, 310.722 ], [ 144.7005221858084, 13.413290319724936, 310.722 ], [ 144.69129241632507, 13.413205989589283, 20.082 ] ] ] }, "id": "20070218_guam_55pbq5084_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq5084_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-20T00:15:41Z", "pc:count": 3285807, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 250515.8237, "count": 3285807, "maximum": 251000.0012, "minimum": 249999.9812, "name": "X", "position": 0, "stddev": 288.7097563, "variance": 83353.32336 }, { "average": 1484533.449, "count": 3285807, "maximum": 1484999.995, "minimum": 1483999.995, "name": "Y", "position": 1, "stddev": 285.9952493, "variance": 81793.28262 }, { "average": 109.2185634, "count": 3285807, "maximum": 310.722, "minimum": 20.082, "name": "Z", "position": 2, "stddev": 71.59116434, "variance": 5125.294812 }, { "average": 28.98426931, "count": 3285807, "maximum": 81, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 12.22109443, "variance": 149.3551491 }, { "average": 1.499954806, "count": 3285807, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.500000074, "variance": 0.250000074 }, { "average": 1.999899872, "count": 3285807, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01000587899, "variance": 0.0001001176144 }, { "average": 0.5002381455, "count": 3285807, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.5000000194, "variance": 0.2500000194 }, { "average": 0, "count": 3285807, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.111956667, "count": 3285807, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3300822773, "variance": 0.1089543098 }, { "average": -0.2109421305, "count": 3285807, "maximum": 42, "minimum": -42, "name": "ScanAngleRank", "position": 9, "stddev": 25.45579909, "variance": 647.9977074 }, { "average": 0, "count": 3285807, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 30.32543025, "count": 3285807, "maximum": 31, "minimum": 30, "name": "PointSourceId", "position": 11, "stddev": 0.4685354521, "variance": 0.2195254699 }, { "average": 421142.8877, "count": 3285807, "maximum": 512941.1598, "minimum": 19379.67812, "name": "GpsTime", "position": 12, "stddev": 140122.9186, "variance": 19634432310.0 }, { "average": 0, "count": 3285807, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3285807, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3285807, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3285807, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3285807, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 249999.9812, 1483999.995, 20.082, 251000.0012, 1484999.995, 310.722 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 249999.9812400189, 1483999.9949876461, 20.082 ], [ 249999.9812400189, 1484999.9949876461, 20.082 ], [ 251000.00124001893, 1484999.9949876461, 310.722 ], [ 251000.00124001893, 1483999.9949876461, 310.722 ], [ 249999.9812400189, 1483999.9949876461, 20.082 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T00:15:41+00:00", "end_time": "2011-09-14T07:09:39+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": "20070218_guam_55pbq4485_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63853222289964, 13.421752870118253, -0.7075 ], [ 144.63844384531635, 13.430787737840957, -0.7075 ], [ 144.64496938369913, 13.43084883788976, 51.1925 ], [ 144.64505751762397, 13.421813927613698, 51.1925 ], [ 144.63853222289964, 13.421752870118253, -0.7075 ] ] ] }, "bbox": [ 144.6384438, 13.42175287, -0.7075, 144.6450575, 13.43084884, 51.1925 ], "properties": { "datetime": "2011-09-17T03:52:04Z", "pc:count": 1740163, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244695.0369, "count": 1740163, "maximum": 244999.9958, "minimum": 244292.9958, "name": "X", "position": 0, "stddev": 178.3557127, "variance": 31810.76025 }, { "average": 1485528.807, "count": 1740163, "maximum": 1486000.004, "minimum": 1484999.984, "name": "Y", "position": 1, "stddev": 289.4110822, "variance": 83758.77449 }, { "average": 22.84388939, "count": 1740163, "maximum": 51.1925, "minimum": -0.7075, "name": "Z", "position": 2, "stddev": 9.113196588, "variance": 83.05035205 }, { "average": 26.14005585, "count": 1740163, "maximum": 88, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 13.04454133, "variance": 170.1600584 }, { "average": 1.499919835, "count": 1740163, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001372, "variance": 0.2500001372 }, { "average": 1.999751173, "count": 1740163, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01577230145, "variance": 0.000248765493 }, { "average": 0.4825967452, "count": 1740163, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4996971785, "variance": 0.2496972702 }, { "average": 0, "count": 1740163, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.165759185, "count": 1740163, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3841105512, "variance": 0.1475409156 }, { "average": -1.012369614, "count": 1740163, "maximum": 37.9980011, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.19428965, "variance": 634.752231 }, { "average": 0, "count": 1740163, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 17, "count": 1740163, "maximum": 17, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 178261.218, "count": 1740163, "maximum": 266724.3507, "minimum": 168678.5727, "name": "GpsTime", "position": 12, "stddev": 15804.81365, "variance": 249792134.4 }, { "average": 0, "count": 1740163, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1740163, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1740163, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1740163, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1740163, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244292.9958, 1484999.984, -0.7075, 244999.9958, 1486000.004, 51.1925 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244292.99576205597, 1484999.983647859, -0.7075 ], [ 244292.99576205597, 1486000.003647859, -0.7075 ], [ 244999.99576205597, 1486000.003647859, 51.1925 ], [ 244999.99576205597, 1484999.983647859, 51.1925 ], [ 244292.99576205597, 1484999.983647859, -0.7075 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-17T03:52:04+00:00", "end_time": "2011-09-16T00:37:58+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4485_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4485_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4485_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4485_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6384438, 13.42175287, -0.7075, 144.6450575, 13.43084884, 51.1925 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63853222289964, 13.421752870118253, -0.7075 ], [ 144.63844384531635, 13.430787737840957, -0.7075 ], [ 144.64496938369913, 13.43084883788976, 51.1925 ], [ 144.64505751762397, 13.421813927613698, 51.1925 ], [ 144.63853222289964, 13.421752870118253, -0.7075 ] ] ] }, "id": "20070218_guam_55pbq4485_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4485_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-17T03:52:04Z", "pc:count": 1740163, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244695.0369, "count": 1740163, "maximum": 244999.9958, "minimum": 244292.9958, "name": "X", "position": 0, "stddev": 178.3557127, "variance": 31810.76025 }, { "average": 1485528.807, "count": 1740163, "maximum": 1486000.004, "minimum": 1484999.984, "name": "Y", "position": 1, "stddev": 289.4110822, "variance": 83758.77449 }, { "average": 22.84388939, "count": 1740163, "maximum": 51.1925, "minimum": -0.7075, "name": "Z", "position": 2, "stddev": 9.113196588, "variance": 83.05035205 }, { "average": 26.14005585, "count": 1740163, "maximum": 88, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 13.04454133, "variance": 170.1600584 }, { "average": 1.499919835, "count": 1740163, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001372, "variance": 0.2500001372 }, { "average": 1.999751173, "count": 1740163, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01577230145, "variance": 0.000248765493 }, { "average": 0.4825967452, "count": 1740163, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4996971785, "variance": 0.2496972702 }, { "average": 0, "count": 1740163, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.165759185, "count": 1740163, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3841105512, "variance": 0.1475409156 }, { "average": -1.012369614, "count": 1740163, "maximum": 37.9980011, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.19428965, "variance": 634.752231 }, { "average": 0, "count": 1740163, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 17, "count": 1740163, "maximum": 17, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 178261.218, "count": 1740163, "maximum": 266724.3507, "minimum": 168678.5727, "name": "GpsTime", "position": 12, "stddev": 15804.81365, "variance": 249792134.4 }, { "average": 0, "count": 1740163, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1740163, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1740163, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1740163, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1740163, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244292.9958, 1484999.984, -0.7075, 244999.9958, 1486000.004, 51.1925 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244292.99576205597, 1484999.983647859, -0.7075 ], [ 244292.99576205597, 1486000.003647859, -0.7075 ], [ 244999.99576205597, 1486000.003647859, 51.1925 ], [ 244999.99576205597, 1484999.983647859, 51.1925 ], [ 244292.99576205597, 1484999.983647859, -0.7075 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-17T03:52:04+00:00", "end_time": "2011-09-16T00:37:58+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": "20070218_guam_55pbq4386_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6264979189293, 13.431870916239006, -0.991 ], [ 144.62642079004993, 13.439710059274397, -0.991 ], [ 144.63565095906918, 13.43979692818217, 59.789 ], [ 144.63572778869516, 13.431957732683248, 59.789 ], [ 144.6264979189293, 13.431870916239006, -0.991 ] ] ] }, "bbox": [ 144.6264208, 13.43187092, -0.991, 144.6357278, 13.43979693, 59.789 ], "properties": { "datetime": "2011-09-21T00:22:01Z", "pc:count": 1989534, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243649.4606, "count": 1989534, "maximum": 243999.9963, "minimum": 242999.9963, "name": "X", "position": 0, "stddev": 279.8338647, "variance": 78306.99185 }, { "average": 1486666.067, "count": 1989534, "maximum": 1486999.992, "minimum": 1486132.312, "name": "Y", "position": 1, "stddev": 200.4739032, "variance": 40189.78585 }, { "average": 33.46782531, "count": 1989534, "maximum": 59.789, "minimum": -0.991, "name": "Z", "position": 2, "stddev": 8.799400806, "variance": 77.42945454 }, { "average": 18.89128208, "count": 1989534, "maximum": 61, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.17511173, "variance": 103.5328987 }, { "average": 1.4999809, "count": 1989534, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001253, "variance": 0.2500001253 }, { "average": 1.999961297, "count": 1989534, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.006221016951, "variance": 3.870105191e-05 }, { "average": 0.4968077952, "count": 1989534, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999899354, "variance": 0.2499899355 }, { "average": 0, "count": 1989534, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.088252827, "count": 1989534, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2931260367, "variance": 0.08592287342 }, { "average": -0.256677838, "count": 1989534, "maximum": 39, "minimum": -40.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.08116007, "variance": 629.0645903 }, { "average": 0, "count": 1989534, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 17, "count": 1989534, "maximum": 17, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 486590.3938, "count": 1989534, "maximum": 599721.4628, "minimum": 106325.7817, "name": "GpsTime", "position": 12, "stddev": 199427.3112, "variance": 39771252450.0 }, { "average": 0, "count": 1989534, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1989534, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1989534, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1989534, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1989534, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242999.9963, 1486132.312, -0.991, 243999.9963, 1486999.992, 59.789 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242999.99633606843, 1486132.3124479407, -0.991 ], [ 242999.99633606843, 1486999.9924479409, -0.991 ], [ 243999.99633606843, 1486999.9924479409, 59.789 ], [ 243999.99633606843, 1486132.3124479407, 59.789 ], [ 242999.99633606843, 1486132.3124479407, -0.991 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-21T00:22:01+00:00", "end_time": "2011-09-15T07:18:45+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4386_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4386_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4386_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4386_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6264208, 13.43187092, -0.991, 144.6357278, 13.43979693, 59.789 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6264979189293, 13.431870916239006, -0.991 ], [ 144.62642079004993, 13.439710059274397, -0.991 ], [ 144.63565095906918, 13.43979692818217, 59.789 ], [ 144.63572778869516, 13.431957732683248, 59.789 ], [ 144.6264979189293, 13.431870916239006, -0.991 ] ] ] }, "id": "20070218_guam_55pbq4386_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4386_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-21T00:22:01Z", "pc:count": 1989534, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243649.4606, "count": 1989534, "maximum": 243999.9963, "minimum": 242999.9963, "name": "X", "position": 0, "stddev": 279.8338647, "variance": 78306.99185 }, { "average": 1486666.067, "count": 1989534, "maximum": 1486999.992, "minimum": 1486132.312, "name": "Y", "position": 1, "stddev": 200.4739032, "variance": 40189.78585 }, { "average": 33.46782531, "count": 1989534, "maximum": 59.789, "minimum": -0.991, "name": "Z", "position": 2, "stddev": 8.799400806, "variance": 77.42945454 }, { "average": 18.89128208, "count": 1989534, "maximum": 61, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.17511173, "variance": 103.5328987 }, { "average": 1.4999809, "count": 1989534, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001253, "variance": 0.2500001253 }, { "average": 1.999961297, "count": 1989534, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.006221016951, "variance": 3.870105191e-05 }, { "average": 0.4968077952, "count": 1989534, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999899354, "variance": 0.2499899355 }, { "average": 0, "count": 1989534, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.088252827, "count": 1989534, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2931260367, "variance": 0.08592287342 }, { "average": -0.256677838, "count": 1989534, "maximum": 39, "minimum": -40.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.08116007, "variance": 629.0645903 }, { "average": 0, "count": 1989534, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 17, "count": 1989534, "maximum": 17, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 486590.3938, "count": 1989534, "maximum": 599721.4628, "minimum": 106325.7817, "name": "GpsTime", "position": 12, "stddev": 199427.3112, "variance": 39771252450.0 }, { "average": 0, "count": 1989534, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1989534, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1989534, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1989534, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1989534, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242999.9963, 1486132.312, -0.991, 243999.9963, 1486999.992, 59.789 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242999.99633606843, 1486132.3124479407, -0.991 ], [ 242999.99633606843, 1486999.9924479409, -0.991 ], [ 243999.99633606843, 1486999.9924479409, 59.789 ], [ 243999.99633606843, 1486132.3124479407, 59.789 ], [ 242999.99633606843, 1486132.3124479407, -0.991 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-21T00:22:01+00:00", "end_time": "2011-09-15T07:18:45+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": "20070218_guam_55pbq4887_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6725722706323, 13.440141002576937, -0.097 ], [ 144.67250390822616, 13.447222553902389, -0.097 ], [ 144.6817346705823, 13.447307780858674, 97.663 ], [ 144.68180276247935, 13.440226183065947, 97.663 ], [ 144.6725722706323, 13.440141002576937, -0.097 ] ] ] }, "bbox": [ 144.6725039, 13.440141, -0.097, 144.6818028, 13.44730778, 97.663 ], "properties": { "datetime": "2011-09-16T08:43:38Z", "pc:count": 1227957, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 248434.5191, "count": 1227957, "maximum": 248999.9949, "minimum": 247999.9949, "name": "X", "position": 0, "stddev": 302.1291709, "variance": 91282.03588 }, { "average": 1487233.923, "count": 1227957, "maximum": 1487783.79, "minimum": 1486999.99, "name": "Y", "position": 1, "stddev": 155.9401078, "variance": 24317.31722 }, { "average": 4.018241698, "count": 1227957, "maximum": 97.663, "minimum": -0.097, "name": "Z", "position": 2, "stddev": 3.043507395, "variance": 9.262937262 }, { "average": 21.61428943, "count": 1227957, "maximum": 162, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.84369664, "variance": 117.5857568 }, { "average": 1.499972719, "count": 1227957, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000002028, "variance": 0.2500002028 }, { "average": 1.99986563, "count": 1227957, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01159101291, "variance": 0.0001343515802 }, { "average": 0.5008139536, "count": 1227957, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999995411, "variance": 0.2499995411 }, { "average": 0, "count": 1227957, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.149692538, "count": 1227957, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.367363676, "variance": 0.1349560704 }, { "average": 0.09978294291, "count": 1227957, "maximum": 39, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.46910574, "variance": 648.6753474 }, { "average": 0, "count": 1227957, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 28.6656308, "count": 1227957, "maximum": 32, "minimum": 25, "name": "PointSourceId", "position": 11, "stddev": 2.928953727, "variance": 8.578769936 }, { "average": 191546.8149, "count": 1227957, "maximum": 197818.4335, "minimum": 186037.237, "name": "GpsTime", "position": 12, "stddev": 2555.032146, "variance": 6528189.266 }, { "average": 0, "count": 1227957, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1227957, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1227957, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1227957, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1227957, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 247999.9949, 1486999.99, -0.097, 248999.9949, 1487783.79, 97.663 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 247999.99494495732, 1486999.9897546638, -0.097 ], [ 247999.99494495732, 1487783.7897546636, -0.097 ], [ 248999.99494495732, 1487783.7897546636, 97.663 ], [ 248999.99494495732, 1486999.9897546638, 97.663 ], [ 247999.99494495732, 1486999.9897546638, -0.097 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T08:43:38+00:00", "end_time": "2011-09-16T05:27:17+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4887_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4887_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4887_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4887_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6725039, 13.440141, -0.097, 144.6818028, 13.44730778, 97.663 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6725722706323, 13.440141002576937, -0.097 ], [ 144.67250390822616, 13.447222553902389, -0.097 ], [ 144.6817346705823, 13.447307780858674, 97.663 ], [ 144.68180276247935, 13.440226183065947, 97.663 ], [ 144.6725722706323, 13.440141002576937, -0.097 ] ] ] }, "id": "20070218_guam_55pbq4887_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4887_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-16T08:43:38Z", "pc:count": 1227957, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 248434.5191, "count": 1227957, "maximum": 248999.9949, "minimum": 247999.9949, "name": "X", "position": 0, "stddev": 302.1291709, "variance": 91282.03588 }, { "average": 1487233.923, "count": 1227957, "maximum": 1487783.79, "minimum": 1486999.99, "name": "Y", "position": 1, "stddev": 155.9401078, "variance": 24317.31722 }, { "average": 4.018241698, "count": 1227957, "maximum": 97.663, "minimum": -0.097, "name": "Z", "position": 2, "stddev": 3.043507395, "variance": 9.262937262 }, { "average": 21.61428943, "count": 1227957, "maximum": 162, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.84369664, "variance": 117.5857568 }, { "average": 1.499972719, "count": 1227957, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000002028, "variance": 0.2500002028 }, { "average": 1.99986563, "count": 1227957, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01159101291, "variance": 0.0001343515802 }, { "average": 0.5008139536, "count": 1227957, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999995411, "variance": 0.2499995411 }, { "average": 0, "count": 1227957, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.149692538, "count": 1227957, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.367363676, "variance": 0.1349560704 }, { "average": 0.09978294291, "count": 1227957, "maximum": 39, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.46910574, "variance": 648.6753474 }, { "average": 0, "count": 1227957, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 28.6656308, "count": 1227957, "maximum": 32, "minimum": 25, "name": "PointSourceId", "position": 11, "stddev": 2.928953727, "variance": 8.578769936 }, { "average": 191546.8149, "count": 1227957, "maximum": 197818.4335, "minimum": 186037.237, "name": "GpsTime", "position": 12, "stddev": 2555.032146, "variance": 6528189.266 }, { "average": 0, "count": 1227957, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1227957, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1227957, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1227957, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1227957, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 247999.9949, 1486999.99, -0.097, 248999.9949, 1487783.79, 97.663 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 247999.99494495732, 1486999.9897546638, -0.097 ], [ 247999.99494495732, 1487783.7897546636, -0.097 ], [ 248999.99494495732, 1487783.7897546636, 97.663 ], [ 248999.99494495732, 1486999.9897546638, 97.663 ], [ 247999.99494495732, 1486999.9897546638, -0.097 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T08:43:38+00:00", "end_time": "2011-09-16T05:27:17+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": "20070218_guam_55pbq4687_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.65411150578285, 13.439969617322404, -0.448 ], [ 144.65406602759236, 13.444644030441538, -0.448 ], [ 144.66329656960312, 13.444729917246702, 56.972 ], [ 144.6633418692284, 13.440055473194198, 56.972 ], [ 144.65411150578285, 13.439969617322404, -0.448 ] ] ] }, "bbox": [ 144.654066, 13.43996962, -0.448, 144.6633419, 13.44472992, 56.972 ], "properties": { "datetime": "2011-09-17T03:51:36Z", "pc:count": 1073166, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246528.6, "count": 1073166, "maximum": 246999.9978, "minimum": 245999.9978, "name": "X", "position": 0, "stddev": 256.618848, "variance": 65853.23316 }, { "average": 1487199.078, "count": 1073166, "maximum": 1487517.368, "minimum": 1486999.988, "name": "Y", "position": 1, "stddev": 121.7186011, "variance": 14815.41785 }, { "average": 3.435708513, "count": 1073166, "maximum": 56.972, "minimum": -0.448, "name": "Z", "position": 2, "stddev": 3.615880348, "variance": 13.07459069 }, { "average": 27.40473422, "count": 1073166, "maximum": 191, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.17644029, "variance": 124.9128176 }, { "average": 1.499994409, "count": 1073166, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000002329, "variance": 0.2500002329 }, { "average": 1.99988725, "count": 1073166, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01061781001, "variance": 0.0001127378895 }, { "average": 0.4711647592, "count": 1073166, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.499168069, "variance": 0.2491687611 }, { "average": 0, "count": 1073166, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.219815015, "count": 1073166, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4221441229, "variance": 0.1782056605 }, { "average": -2.011553114, "count": 1073166, "maximum": 39, "minimum": -40.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 25.22489513, "variance": 636.2953341 }, { "average": 0, "count": 1073166, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 25, "count": 1073166, "maximum": 25, "minimum": 25, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 160077.4884, "count": 1073166, "maximum": 266696.4056, "minimum": 15041.77948, "name": "GpsTime", "position": 12, "stddev": 52716.06735, "variance": 2778983757 }, { "average": 0, "count": 1073166, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1073166, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1073166, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1073166, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1073166, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 245999.9978, 1486999.988, -0.448, 246999.9978, 1487517.368, 56.972 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 245999.99778707832, 1486999.9884869887, -0.448 ], [ 245999.99778707832, 1487517.3684869886, -0.448 ], [ 246999.99778707832, 1487517.3684869886, 56.972 ], [ 246999.99778707832, 1486999.9884869887, 56.972 ], [ 245999.99778707832, 1486999.9884869887, -0.448 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-17T03:51:36+00:00", "end_time": "2011-09-14T05:57:21+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4687_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4687_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4687_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4687_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.654066, 13.43996962, -0.448, 144.6633419, 13.44472992, 56.972 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.65411150578285, 13.439969617322404, -0.448 ], [ 144.65406602759236, 13.444644030441538, -0.448 ], [ 144.66329656960312, 13.444729917246702, 56.972 ], [ 144.6633418692284, 13.440055473194198, 56.972 ], [ 144.65411150578285, 13.439969617322404, -0.448 ] ] ] }, "id": "20070218_guam_55pbq4687_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4687_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-17T03:51:36Z", "pc:count": 1073166, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246528.6, "count": 1073166, "maximum": 246999.9978, "minimum": 245999.9978, "name": "X", "position": 0, "stddev": 256.618848, "variance": 65853.23316 }, { "average": 1487199.078, "count": 1073166, "maximum": 1487517.368, "minimum": 1486999.988, "name": "Y", "position": 1, "stddev": 121.7186011, "variance": 14815.41785 }, { "average": 3.435708513, "count": 1073166, "maximum": 56.972, "minimum": -0.448, "name": "Z", "position": 2, "stddev": 3.615880348, "variance": 13.07459069 }, { "average": 27.40473422, "count": 1073166, "maximum": 191, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.17644029, "variance": 124.9128176 }, { "average": 1.499994409, "count": 1073166, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000002329, "variance": 0.2500002329 }, { "average": 1.99988725, "count": 1073166, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01061781001, "variance": 0.0001127378895 }, { "average": 0.4711647592, "count": 1073166, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.499168069, "variance": 0.2491687611 }, { "average": 0, "count": 1073166, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.219815015, "count": 1073166, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4221441229, "variance": 0.1782056605 }, { "average": -2.011553114, "count": 1073166, "maximum": 39, "minimum": -40.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 25.22489513, "variance": 636.2953341 }, { "average": 0, "count": 1073166, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 25, "count": 1073166, "maximum": 25, "minimum": 25, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 160077.4884, "count": 1073166, "maximum": 266696.4056, "minimum": 15041.77948, "name": "GpsTime", "position": 12, "stddev": 52716.06735, "variance": 2778983757 }, { "average": 0, "count": 1073166, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1073166, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1073166, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1073166, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1073166, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 245999.9978, 1486999.988, -0.448, 246999.9978, 1487517.368, 56.972 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 245999.99778707832, 1486999.9884869887, -0.448 ], [ 245999.99778707832, 1487517.3684869886, -0.448 ], [ 246999.99778707832, 1487517.3684869886, 56.972 ], [ 246999.99778707832, 1486999.9884869887, 56.972 ], [ 245999.99778707832, 1486999.9884869887, -0.448 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-17T03:51:36+00:00", "end_time": "2011-09-14T05:57:21+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": "20070218_guam_55pbq4789_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.66316663950275, 13.45812512859847, -0.2465 ], [ 144.66309226868754, 13.46578719976544, -0.2465 ], [ 144.67232368031028, 13.46587288759627, 73.6335 ], [ 144.67239775794283, 13.458210765904752, 73.6335 ], [ 144.66316663950275, 13.45812512859847, -0.2465 ] ] ] }, "bbox": [ 144.6630923, 13.45812513, -0.2465, 144.6723978, 13.46587289, 73.6335 ], "properties": { "datetime": "2011-09-20T02:37:30Z", "pc:count": 1325889, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 247470.5055, "count": 1325889, "maximum": 247999.9953, "minimum": 246999.9953, "name": "X", "position": 0, "stddev": 263.8998944, "variance": 69643.15425 }, { "average": 1489494.238, "count": 1325889, "maximum": 1489848.048, "minimum": 1488999.988, "name": "Y", "position": 1, "stddev": 130.7713405, "variance": 17101.1435 }, { "average": 4.37387384, "count": 1325889, "maximum": 73.6335, "minimum": -0.2465, "name": "Z", "position": 2, "stddev": 4.145891585, "variance": 17.18841703 }, { "average": 23.18897208, "count": 1325889, "maximum": 163, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.28949602, "variance": 105.8737283 }, { "average": 1.499991327, "count": 1325889, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001885, "variance": 0.2500001885 }, { "average": 1.999957764, "count": 1325889, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.006498773815, "variance": 4.223406109e-05 }, { "average": 0.5058990609, "count": 1325889, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999653884, "variance": 0.2499653896 }, { "average": 0, "count": 1325889, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.194888863, "count": 1325889, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.404872177, "variance": 0.1639214797 }, { "average": 0.3672727068, "count": 1325889, "maximum": 37.9980011, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 24.97055936, "variance": 623.5288348 }, { "average": 0, "count": 1325889, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 26, "count": 1325889, "maximum": 26, "minimum": 26, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 239042.249, "count": 1325889, "maximum": 521450.7281, "minimum": 106271.6679, "name": "GpsTime", "position": 12, "stddev": 169098.6465, "variance": 28594352240.0 }, { "average": 0, "count": 1325889, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1325889, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1325889, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1325889, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1325889, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246999.9953, 1488999.988, -0.2465, 247999.9953, 1489848.048, 73.6335 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246999.99532422793, 1488999.9875625612, -0.2465 ], [ 246999.99532422793, 1489848.0475625612, -0.2465 ], [ 247999.99532422793, 1489848.0475625612, 73.6335 ], [ 247999.99532422793, 1488999.9875625612, 73.6335 ], [ 246999.99532422793, 1488999.9875625612, -0.2465 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T02:37:30+00:00", "end_time": "2011-09-15T07:17:51+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4789_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4789_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4789_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4789_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6630923, 13.45812513, -0.2465, 144.6723978, 13.46587289, 73.6335 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.66316663950275, 13.45812512859847, -0.2465 ], [ 144.66309226868754, 13.46578719976544, -0.2465 ], [ 144.67232368031028, 13.46587288759627, 73.6335 ], [ 144.67239775794283, 13.458210765904752, 73.6335 ], [ 144.66316663950275, 13.45812512859847, -0.2465 ] ] ] }, "id": "20070218_guam_55pbq4789_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4789_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-20T02:37:30Z", "pc:count": 1325889, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 247470.5055, "count": 1325889, "maximum": 247999.9953, "minimum": 246999.9953, "name": "X", "position": 0, "stddev": 263.8998944, "variance": 69643.15425 }, { "average": 1489494.238, "count": 1325889, "maximum": 1489848.048, "minimum": 1488999.988, "name": "Y", "position": 1, "stddev": 130.7713405, "variance": 17101.1435 }, { "average": 4.37387384, "count": 1325889, "maximum": 73.6335, "minimum": -0.2465, "name": "Z", "position": 2, "stddev": 4.145891585, "variance": 17.18841703 }, { "average": 23.18897208, "count": 1325889, "maximum": 163, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.28949602, "variance": 105.8737283 }, { "average": 1.499991327, "count": 1325889, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001885, "variance": 0.2500001885 }, { "average": 1.999957764, "count": 1325889, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.006498773815, "variance": 4.223406109e-05 }, { "average": 0.5058990609, "count": 1325889, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999653884, "variance": 0.2499653896 }, { "average": 0, "count": 1325889, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.194888863, "count": 1325889, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.404872177, "variance": 0.1639214797 }, { "average": 0.3672727068, "count": 1325889, "maximum": 37.9980011, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 24.97055936, "variance": 623.5288348 }, { "average": 0, "count": 1325889, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 26, "count": 1325889, "maximum": 26, "minimum": 26, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 239042.249, "count": 1325889, "maximum": 521450.7281, "minimum": 106271.6679, "name": "GpsTime", "position": 12, "stddev": 169098.6465, "variance": 28594352240.0 }, { "average": 0, "count": 1325889, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1325889, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1325889, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1325889, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1325889, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246999.9953, 1488999.988, -0.2465, 247999.9953, 1489848.048, 73.6335 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246999.99532422793, 1488999.9875625612, -0.2465 ], [ 246999.99532422793, 1489848.0475625612, -0.2465 ], [ 247999.99532422793, 1489848.0475625612, 73.6335 ], [ 247999.99532422793, 1488999.9875625612, 73.6335 ], [ 246999.99532422793, 1488999.9875625612, -0.2465 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T02:37:30+00:00", "end_time": "2011-09-15T07:17:51+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": "20070218_guam_55pbq4689_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.65392444281844, 13.459181207696389, -0.4105 ], [ 144.6538598597684, 13.465808386126195, -0.4105 ], [ 144.66309121112357, 13.465894413013425, 19.5295 ], [ 144.66315554059355, 13.45926719071614, 19.5295 ], [ 144.65392444281844, 13.459181207696389, -0.4105 ] ] ] }, "bbox": [ 144.6538599, 13.45918121, -0.4105, 144.6631555, 13.46589441, 19.5295 ], "properties": { "datetime": "2011-09-20T02:37:23Z", "pc:count": 282903, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246660.7935, "count": 282903, "maximum": 246999.9935, "minimum": 245999.9935, "name": "X", "position": 0, "stddev": 291.6987741, "variance": 85088.17484 }, { "average": 1489635.3, "count": 282903, "maximum": 1489859.914, "minimum": 1489126.394, "name": "Y", "position": 1, "stddev": 155.459821, "variance": 24167.75595 }, { "average": 3.048130909, "count": 282903, "maximum": 19.5295, "minimum": -0.4105, "name": "Z", "position": 2, "stddev": 2.815093698, "variance": 7.924752531 }, { "average": 28.35095068, "count": 282903, "maximum": 103, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.231214515, "variance": 85.21532143 }, { "average": 1.499980559, "count": 282903, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000008833, "variance": 0.2500008833 }, { "average": 1.999759635, "count": 282903, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01550187557, "variance": 0.0002403081462 }, { "average": 0.6906925695, "count": 282903, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4622089344, "variance": 0.2136370991 }, { "average": 0, "count": 282903, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.247095294, "count": 282903, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4369415083, "variance": 0.1909178817 }, { "average": 11.98702125, "count": 282903, "maximum": 37.9980011, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 21.00632659, "variance": 441.2657566 }, { "average": 0, "count": 282903, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 26, "count": 282903, "maximum": 26, "minimum": 26, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 456014.4538, "count": 282903, "maximum": 521443.482, "minimum": 106276.7449, "name": "GpsTime", "position": 12, "stddev": 150843.8026, "variance": 22753852790.0 }, { "average": 0, "count": 282903, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 282903, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 282903, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 282903, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 282903, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 245999.9935, 1489126.394, -0.4105, 246999.9935, 1489859.914, 19.5295 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 245999.99352782784, 1489126.3942531967, -0.4105 ], [ 245999.99352782784, 1489859.9142531967, -0.4105 ], [ 246999.99352782784, 1489859.9142531967, 19.5295 ], [ 246999.99352782784, 1489126.3942531967, 19.5295 ], [ 245999.99352782784, 1489126.3942531967, -0.4105 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T02:37:23+00:00", "end_time": "2011-09-15T07:17:56+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4689_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4689_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4689_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4689_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6538599, 13.45918121, -0.4105, 144.6631555, 13.46589441, 19.5295 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.65392444281844, 13.459181207696389, -0.4105 ], [ 144.6538598597684, 13.465808386126195, -0.4105 ], [ 144.66309121112357, 13.465894413013425, 19.5295 ], [ 144.66315554059355, 13.45926719071614, 19.5295 ], [ 144.65392444281844, 13.459181207696389, -0.4105 ] ] ] }, "id": "20070218_guam_55pbq4689_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4689_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-20T02:37:23Z", "pc:count": 282903, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246660.7935, "count": 282903, "maximum": 246999.9935, "minimum": 245999.9935, "name": "X", "position": 0, "stddev": 291.6987741, "variance": 85088.17484 }, { "average": 1489635.3, "count": 282903, "maximum": 1489859.914, "minimum": 1489126.394, "name": "Y", "position": 1, "stddev": 155.459821, "variance": 24167.75595 }, { "average": 3.048130909, "count": 282903, "maximum": 19.5295, "minimum": -0.4105, "name": "Z", "position": 2, "stddev": 2.815093698, "variance": 7.924752531 }, { "average": 28.35095068, "count": 282903, "maximum": 103, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.231214515, "variance": 85.21532143 }, { "average": 1.499980559, "count": 282903, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000008833, "variance": 0.2500008833 }, { "average": 1.999759635, "count": 282903, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01550187557, "variance": 0.0002403081462 }, { "average": 0.6906925695, "count": 282903, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4622089344, "variance": 0.2136370991 }, { "average": 0, "count": 282903, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.247095294, "count": 282903, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4369415083, "variance": 0.1909178817 }, { "average": 11.98702125, "count": 282903, "maximum": 37.9980011, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 21.00632659, "variance": 441.2657566 }, { "average": 0, "count": 282903, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 26, "count": 282903, "maximum": 26, "minimum": 26, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 456014.4538, "count": 282903, "maximum": 521443.482, "minimum": 106276.7449, "name": "GpsTime", "position": 12, "stddev": 150843.8026, "variance": 22753852790.0 }, { "average": 0, "count": 282903, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 282903, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 282903, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 282903, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 282903, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 245999.9935, 1489126.394, -0.4105, 246999.9935, 1489859.914, 19.5295 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 245999.99352782784, 1489126.3942531967, -0.4105 ], [ 245999.99352782784, 1489859.9142531967, -0.4105 ], [ 246999.99352782784, 1489859.9142531967, 19.5295 ], [ 246999.99352782784, 1489126.3942531967, 19.5295 ], [ 245999.99352782784, 1489126.3942531967, -0.4105 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T02:37:23+00:00", "end_time": "2011-09-15T07:17:56+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": "20070218_guam_55pbq4766_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.67393135159392, 13.258057597334044, -0.537 ], [ 144.67391822418705, 13.259437970222534, -0.537 ], [ 144.674303402032, 13.259441485112456, 14.123 ], [ 144.67431652726947, 13.258061111845139, 14.123 ], [ 144.67393135159392, 13.258057597334044, -0.537 ] ] ] }, "bbox": [ 144.6739182, 13.2580576, -0.537, 144.6743165, 13.25944149, 14.123 ], "properties": { "datetime": "2011-09-19T02:05:30Z", "pc:count": 12259, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 247984.3502, "count": 12259, "maximum": 248000.0013, "minimum": 247958.2413, "name": "X", "position": 0, "stddev": 10.03356618, "variance": 100.6724502 }, { "average": 1466942.437, "count": 12259, "maximum": 1466999.972, "minimum": 1466847.192, "name": "Y", "position": 1, "stddev": 37.71784964, "variance": 1422.636182 }, { "average": 6.879737907, "count": 12259, "maximum": 14.123, "minimum": -0.537, "name": "Z", "position": 2, "stddev": 3.536204912, "variance": 12.50474518 }, { "average": 19.31552329, "count": 12259, "maximum": 46, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 8.878963297, "variance": 78.83598922 }, { "average": 1.499959214, "count": 12259, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000203928, "variance": 0.2500203932 }, { "average": 1.999184273, "count": 12259, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.02855045187, "variance": 0.0008151283022 }, { "average": 0.4406558447, "count": 12259, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4964860308, "variance": 0.2464983788 }, { "average": 0, "count": 12259, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.05783506, "count": 12259, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2810132098, "variance": 0.07896842409 }, { "average": -0.2032511423, "count": 12259, "maximum": 37.9980011, "minimum": -37.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 26.36429163, "variance": 695.0758731 }, { "average": 0, "count": 12259, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 11, "count": 12259, "maximum": 11, "minimum": 11, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 432560.0699, "count": 12259, "maximum": 433130.5213, "minimum": 431792.7427, "name": "GpsTime", "position": 12, "stddev": 468.1016732, "variance": 219119.1764 }, { "average": 0, "count": 12259, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12259, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12259, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12259, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12259, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 247958.2413, 1466847.192, -0.537, 248000.0013, 1466999.972, 14.123 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 247958.24131253874, 1466847.1920885777, -0.537 ], [ 247958.24131253874, 1466999.9720885775, -0.537 ], [ 248000.00131253875, 1466999.9720885775, 14.123 ], [ 248000.00131253875, 1466847.1920885777, 14.123 ], [ 247958.24131253874, 1466847.1920885777, -0.537 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T02:05:30+00:00", "end_time": "2011-09-19T01:43:12+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4766_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4766_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4766_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4766_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6739182, 13.2580576, -0.537, 144.6743165, 13.25944149, 14.123 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.67393135159392, 13.258057597334044, -0.537 ], [ 144.67391822418705, 13.259437970222534, -0.537 ], [ 144.674303402032, 13.259441485112456, 14.123 ], [ 144.67431652726947, 13.258061111845139, 14.123 ], [ 144.67393135159392, 13.258057597334044, -0.537 ] ] ] }, "id": "20070218_guam_55pbq4766_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4766_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-19T02:05:30Z", "pc:count": 12259, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 247984.3502, "count": 12259, "maximum": 248000.0013, "minimum": 247958.2413, "name": "X", "position": 0, "stddev": 10.03356618, "variance": 100.6724502 }, { "average": 1466942.437, "count": 12259, "maximum": 1466999.972, "minimum": 1466847.192, "name": "Y", "position": 1, "stddev": 37.71784964, "variance": 1422.636182 }, { "average": 6.879737907, "count": 12259, "maximum": 14.123, "minimum": -0.537, "name": "Z", "position": 2, "stddev": 3.536204912, "variance": 12.50474518 }, { "average": 19.31552329, "count": 12259, "maximum": 46, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 8.878963297, "variance": 78.83598922 }, { "average": 1.499959214, "count": 12259, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000203928, "variance": 0.2500203932 }, { "average": 1.999184273, "count": 12259, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.02855045187, "variance": 0.0008151283022 }, { "average": 0.4406558447, "count": 12259, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4964860308, "variance": 0.2464983788 }, { "average": 0, "count": 12259, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.05783506, "count": 12259, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2810132098, "variance": 0.07896842409 }, { "average": -0.2032511423, "count": 12259, "maximum": 37.9980011, "minimum": -37.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 26.36429163, "variance": 695.0758731 }, { "average": 0, "count": 12259, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 11, "count": 12259, "maximum": 11, "minimum": 11, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 432560.0699, "count": 12259, "maximum": 433130.5213, "minimum": 431792.7427, "name": "GpsTime", "position": 12, "stddev": 468.1016732, "variance": 219119.1764 }, { "average": 0, "count": 12259, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12259, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12259, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12259, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 12259, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 247958.2413, 1466847.192, -0.537, 248000.0013, 1466999.972, 14.123 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 247958.24131253874, 1466847.1920885777, -0.537 ], [ 247958.24131253874, 1466999.9720885775, -0.537 ], [ 248000.00131253875, 1466999.9720885775, 14.123 ], [ 248000.00131253875, 1466847.1920885777, 14.123 ], [ 247958.24131253874, 1466847.1920885777, -0.537 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T02:05:30+00:00", "end_time": "2011-09-19T01:43:12+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": "20070218_guam_55pbq4587_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.64488109636346, 13.439883431185269, -0.563 ], [ 144.64484300703518, 13.443783176716343, -0.563 ], [ 144.654073454883, 13.443869396186265, 48.157 ], [ 144.65411139525244, 13.439969624750296, 48.157 ], [ 144.64488109636346, 13.439883431185269, -0.563 ] ] ] }, "bbox": [ 144.644843, 13.43988343, -0.563, 144.6541114, 13.4438694, 48.157 ], "properties": { "datetime": "2011-09-17T03:51:42Z", "pc:count": 975169, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 245483.7278, "count": 975169, "maximum": 245999.9858, "minimum": 244999.9858, "name": "X", "position": 0, "stddev": 283.3459886, "variance": 80284.94927 }, { "average": 1487170.548, "count": 975169, "maximum": 1487431.629, "minimum": 1486999.989, "name": "Y", "position": 1, "stddev": 101.520074, "variance": 10306.32542 }, { "average": 17.4625606, "count": 975169, "maximum": 48.157, "minimum": -0.563, "name": "Z", "position": 2, "stddev": 13.54368154, "variance": 183.4313096 }, { "average": 20.56298754, "count": 975169, "maximum": 72, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.68942228, "variance": 114.2637487 }, { "average": 1.499986156, "count": 975169, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000002562, "variance": 0.2500002562 }, { "average": 1.999937447, "count": 975169, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.007908818574, "variance": 6.254941123e-05 }, { "average": 0.5063922253, "count": 975169, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999593941, "variance": 0.2499593958 }, { "average": 0, "count": 975169, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.145029221, "count": 975169, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3634374588, "variance": 0.1320867865 }, { "average": 0.1163370247, "count": 975169, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.17965605, "variance": 634.015079 }, { "average": 0, "count": 975169, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 22.66470837, "count": 975169, "maximum": 25, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 3.637136181, "variance": 13.2287596 }, { "average": 176425.1274, "count": 975169, "maximum": 266702.6793, "minimum": 107668.7524, "name": "GpsTime", "position": 12, "stddev": 29520.72553, "variance": 871473235.9 }, { "average": 0, "count": 975169, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 975169, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 975169, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 975169, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 975169, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244999.9858, 1486999.989, -0.563, 245999.9858, 1487431.629, 48.157 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244999.98582129634, 1486999.9894230652, -0.563 ], [ 244999.98582129634, 1487431.6294230653, -0.563 ], [ 245999.98582129634, 1487431.6294230653, 48.157 ], [ 245999.98582129634, 1486999.9894230652, 48.157 ], [ 244999.98582129634, 1486999.9894230652, -0.563 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-17T03:51:42+00:00", "end_time": "2011-09-15T07:41:08+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4587_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4587_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4587_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4587_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.644843, 13.43988343, -0.563, 144.6541114, 13.4438694, 48.157 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.64488109636346, 13.439883431185269, -0.563 ], [ 144.64484300703518, 13.443783176716343, -0.563 ], [ 144.654073454883, 13.443869396186265, 48.157 ], [ 144.65411139525244, 13.439969624750296, 48.157 ], [ 144.64488109636346, 13.439883431185269, -0.563 ] ] ] }, "id": "20070218_guam_55pbq4587_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4587_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-17T03:51:42Z", "pc:count": 975169, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 245483.7278, "count": 975169, "maximum": 245999.9858, "minimum": 244999.9858, "name": "X", "position": 0, "stddev": 283.3459886, "variance": 80284.94927 }, { "average": 1487170.548, "count": 975169, "maximum": 1487431.629, "minimum": 1486999.989, "name": "Y", "position": 1, "stddev": 101.520074, "variance": 10306.32542 }, { "average": 17.4625606, "count": 975169, "maximum": 48.157, "minimum": -0.563, "name": "Z", "position": 2, "stddev": 13.54368154, "variance": 183.4313096 }, { "average": 20.56298754, "count": 975169, "maximum": 72, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.68942228, "variance": 114.2637487 }, { "average": 1.499986156, "count": 975169, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000002562, "variance": 0.2500002562 }, { "average": 1.999937447, "count": 975169, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.007908818574, "variance": 6.254941123e-05 }, { "average": 0.5063922253, "count": 975169, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999593941, "variance": 0.2499593958 }, { "average": 0, "count": 975169, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.145029221, "count": 975169, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3634374588, "variance": 0.1320867865 }, { "average": 0.1163370247, "count": 975169, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.17965605, "variance": 634.015079 }, { "average": 0, "count": 975169, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 22.66470837, "count": 975169, "maximum": 25, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 3.637136181, "variance": 13.2287596 }, { "average": 176425.1274, "count": 975169, "maximum": 266702.6793, "minimum": 107668.7524, "name": "GpsTime", "position": 12, "stddev": 29520.72553, "variance": 871473235.9 }, { "average": 0, "count": 975169, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 975169, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 975169, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 975169, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 975169, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244999.9858, 1486999.989, -0.563, 245999.9858, 1487431.629, 48.157 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244999.98582129634, 1486999.9894230652, -0.563 ], [ 244999.98582129634, 1487431.6294230653, -0.563 ], [ 245999.98582129634, 1487431.6294230653, 48.157 ], [ 245999.98582129634, 1486999.9894230652, 48.157 ], [ 244999.98582129634, 1486999.9894230652, -0.563 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-17T03:51:42+00:00", "end_time": "2011-09-15T07:41:08+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": "20070218_guam_55pbq4888_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6724632950516, 13.451428580251662, -0.293 ], [ 144.67239776200202, 13.458210889365953, -0.293 ], [ 144.68162894435116, 13.458296188394876, 17.327 ], [ 144.68169421813369, 13.451513834799396, 17.327 ], [ 144.6724632950516, 13.451428580251662, -0.293 ] ] ] }, "bbox": [ 144.6723978, 13.45142858, -0.293, 144.6816942, 13.45829619, 17.327 ], "properties": { "datetime": "2011-09-17T03:51:03Z", "pc:count": 761349, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 248378.1683, "count": 761349, "maximum": 248999.9959, "minimum": 247999.9959, "name": "X", "position": 0, "stddev": 301.4372983, "variance": 90864.44481 }, { "average": 1488808.323, "count": 761349, "maximum": 1489000.001, "minimum": 1488249.321, "name": "Y", "position": 1, "stddev": 136.1404415, "variance": 18534.21982 }, { "average": 2.88135942, "count": 761349, "maximum": 17.327, "minimum": -0.293, "name": "Z", "position": 2, "stddev": 2.201383607, "variance": 4.846089787 }, { "average": 21.35868176, "count": 761349, "maximum": 70, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.06958474, "variance": 101.3965368 }, { "average": 1.499934984, "count": 761349, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000003241, "variance": 0.2500003241 }, { "average": 1.999869968, "count": 761349, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.0114024389, "variance": 0.0001300156128 }, { "average": 0.4806232096, "count": 761349, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.499624727, "variance": 0.2496248679 }, { "average": 0, "count": 761349, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.127838875, "count": 761349, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3441385065, "variance": 0.1184313116 }, { "average": -0.9177773815, "count": 761349, "maximum": 37.9980011, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.19033168, "variance": 634.5528102 }, { "average": 0, "count": 761349, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 28.91910018, "count": 761349, "maximum": 32, "minimum": 26, "name": "PointSourceId", "position": 11, "stddev": 2.998910974, "variance": 8.993467031 }, { "average": 177258.4852, "count": 761349, "maximum": 266663.0112, "minimum": 169045.7977, "name": "GpsTime", "position": 12, "stddev": 18455.41268, "variance": 340602257.1 }, { "average": 0, "count": 761349, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 761349, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 761349, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 761349, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 761349, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 247999.9959, 1488249.321, -0.293, 248999.9959, 1489000.001, 17.327 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 247999.99589316512, 1488249.3212221235, -0.293 ], [ 247999.99589316512, 1489000.0012221236, -0.293 ], [ 248999.99589316512, 1489000.0012221236, 17.327 ], [ 248999.99589316512, 1488249.3212221235, 17.327 ], [ 247999.99589316512, 1488249.3212221235, -0.293 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-17T03:51:03+00:00", "end_time": "2011-09-16T00:44:05+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4888_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4888_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4888_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4888_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6723978, 13.45142858, -0.293, 144.6816942, 13.45829619, 17.327 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6724632950516, 13.451428580251662, -0.293 ], [ 144.67239776200202, 13.458210889365953, -0.293 ], [ 144.68162894435116, 13.458296188394876, 17.327 ], [ 144.68169421813369, 13.451513834799396, 17.327 ], [ 144.6724632950516, 13.451428580251662, -0.293 ] ] ] }, "id": "20070218_guam_55pbq4888_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4888_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-17T03:51:03Z", "pc:count": 761349, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 248378.1683, "count": 761349, "maximum": 248999.9959, "minimum": 247999.9959, "name": "X", "position": 0, "stddev": 301.4372983, "variance": 90864.44481 }, { "average": 1488808.323, "count": 761349, "maximum": 1489000.001, "minimum": 1488249.321, "name": "Y", "position": 1, "stddev": 136.1404415, "variance": 18534.21982 }, { "average": 2.88135942, "count": 761349, "maximum": 17.327, "minimum": -0.293, "name": "Z", "position": 2, "stddev": 2.201383607, "variance": 4.846089787 }, { "average": 21.35868176, "count": 761349, "maximum": 70, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.06958474, "variance": 101.3965368 }, { "average": 1.499934984, "count": 761349, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000003241, "variance": 0.2500003241 }, { "average": 1.999869968, "count": 761349, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.0114024389, "variance": 0.0001300156128 }, { "average": 0.4806232096, "count": 761349, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.499624727, "variance": 0.2496248679 }, { "average": 0, "count": 761349, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.127838875, "count": 761349, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3441385065, "variance": 0.1184313116 }, { "average": -0.9177773815, "count": 761349, "maximum": 37.9980011, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.19033168, "variance": 634.5528102 }, { "average": 0, "count": 761349, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 28.91910018, "count": 761349, "maximum": 32, "minimum": 26, "name": "PointSourceId", "position": 11, "stddev": 2.998910974, "variance": 8.993467031 }, { "average": 177258.4852, "count": 761349, "maximum": 266663.0112, "minimum": 169045.7977, "name": "GpsTime", "position": 12, "stddev": 18455.41268, "variance": 340602257.1 }, { "average": 0, "count": 761349, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 761349, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 761349, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 761349, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 761349, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 247999.9959, 1488249.321, -0.293, 248999.9959, 1489000.001, 17.327 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 247999.99589316512, 1488249.3212221235, -0.293 ], [ 247999.99589316512, 1489000.0012221236, -0.293 ], [ 248999.99589316512, 1489000.0012221236, 17.327 ], [ 248999.99589316512, 1488249.3212221235, 17.327 ], [ 247999.99589316512, 1488249.3212221235, -0.293 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-17T03:51:03+00:00", "end_time": "2011-09-16T00:44:05+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": "20070218_guam_55pbq4866_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.67435706954342, 13.253806535147385, -1.0015 ], [ 144.67430349722557, 13.259441690030641, -1.0015 ], [ 144.68352695347278, 13.25952568373739, 44.7985 ], [ 144.68358031375482, 13.25389049189801, 44.7985 ], [ 144.67435706954342, 13.253806535147385, -1.0015 ] ] ] }, "bbox": [ 144.6743035, 13.25380654, -1.0015, 144.6835803, 13.25952568, 44.7985 ], "properties": { "datetime": "2011-09-20T08:26:47Z", "pc:count": 1758510, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 248556.4681, "count": 1758510, "maximum": 248999.9918, "minimum": 248000.0118, "name": "X", "position": 0, "stddev": 277.6585395, "variance": 77094.26455 }, { "average": 1466745.546, "count": 1758510, "maximum": 1466999.995, "minimum": 1466376.295, "name": "Y", "position": 1, "stddev": 155.7860334, "variance": 24269.2882 }, { "average": 10.36579844, "count": 1758510, "maximum": 44.7985, "minimum": -1.0015, "name": "Z", "position": 2, "stddev": 8.260524453, "variance": 68.23626424 }, { "average": 24.35054563, "count": 1758510, "maximum": 182, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.02395842, "variance": 121.5276591 }, { "average": 1.499957919, "count": 1758510, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001404, "variance": 0.2500001404 }, { "average": 1.999866933, "count": 1758510, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01153471143, "variance": 0.0001330495677 }, { "average": 0.4886568743, "count": 1758510, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4998714591, "variance": 0.2498714756 }, { "average": 0, "count": 1758510, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.115906648, "count": 1758510, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3383022467, "variance": 0.1144484101 }, { "average": -0.7110516942, "count": 1758510, "maximum": 37.9980011, "minimum": -40.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.45852137, "variance": 648.1363103 }, { "average": 0, "count": 1758510, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 16.92084833, "count": 1758510, "maximum": 86, "minimum": 11, "name": "PointSourceId", "position": 11, "stddev": 16.31699334, "variance": 266.2442717 }, { "average": 415063.0252, "count": 1758510, "maximum": 542407.9664, "minimum": 5068.96942, "name": "GpsTime", "position": 12, "stddev": 85487.06502, "variance": 7308038285 }, { "average": 0, "count": 1758510, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1758510, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1758510, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1758510, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1758510, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 248000.0118, 1466376.295, -1.0015, 248999.9918, 1466999.995, 44.7985 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 248000.0118435295, 1466376.2946708694, -1.0015 ], [ 248000.0118435295, 1466999.9946708695, -1.0015 ], [ 248999.99184352948, 1466999.9946708695, 44.7985 ], [ 248999.99184352948, 1466376.2946708694, 44.7985 ], [ 248000.0118435295, 1466376.2946708694, -1.0015 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T08:26:47+00:00", "end_time": "2011-09-14T03:11:08+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4866_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4866_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4866_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4866_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6743035, 13.25380654, -1.0015, 144.6835803, 13.25952568, 44.7985 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.67435706954342, 13.253806535147385, -1.0015 ], [ 144.67430349722557, 13.259441690030641, -1.0015 ], [ 144.68352695347278, 13.25952568373739, 44.7985 ], [ 144.68358031375482, 13.25389049189801, 44.7985 ], [ 144.67435706954342, 13.253806535147385, -1.0015 ] ] ] }, "id": "20070218_guam_55pbq4866_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4866_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-20T08:26:47Z", "pc:count": 1758510, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 248556.4681, "count": 1758510, "maximum": 248999.9918, "minimum": 248000.0118, "name": "X", "position": 0, "stddev": 277.6585395, "variance": 77094.26455 }, { "average": 1466745.546, "count": 1758510, "maximum": 1466999.995, "minimum": 1466376.295, "name": "Y", "position": 1, "stddev": 155.7860334, "variance": 24269.2882 }, { "average": 10.36579844, "count": 1758510, "maximum": 44.7985, "minimum": -1.0015, "name": "Z", "position": 2, "stddev": 8.260524453, "variance": 68.23626424 }, { "average": 24.35054563, "count": 1758510, "maximum": 182, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.02395842, "variance": 121.5276591 }, { "average": 1.499957919, "count": 1758510, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001404, "variance": 0.2500001404 }, { "average": 1.999866933, "count": 1758510, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01153471143, "variance": 0.0001330495677 }, { "average": 0.4886568743, "count": 1758510, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4998714591, "variance": 0.2498714756 }, { "average": 0, "count": 1758510, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.115906648, "count": 1758510, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3383022467, "variance": 0.1144484101 }, { "average": -0.7110516942, "count": 1758510, "maximum": 37.9980011, "minimum": -40.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.45852137, "variance": 648.1363103 }, { "average": 0, "count": 1758510, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 16.92084833, "count": 1758510, "maximum": 86, "minimum": 11, "name": "PointSourceId", "position": 11, "stddev": 16.31699334, "variance": 266.2442717 }, { "average": 415063.0252, "count": 1758510, "maximum": 542407.9664, "minimum": 5068.96942, "name": "GpsTime", "position": 12, "stddev": 85487.06502, "variance": 7308038285 }, { "average": 0, "count": 1758510, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1758510, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1758510, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1758510, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1758510, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 248000.0118, 1466376.295, -1.0015, 248999.9918, 1466999.995, 44.7985 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 248000.0118435295, 1466376.2946708694, -1.0015 ], [ 248000.0118435295, 1466999.9946708695, -1.0015 ], [ 248999.99184352948, 1466999.9946708695, 44.7985 ], [ 248999.99184352948, 1466376.2946708694, 44.7985 ], [ 248000.0118435295, 1466376.2946708694, -1.0015 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T08:26:47+00:00", "end_time": "2011-09-14T03:11:08+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": "20070218_guam_55pbq4767_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6650798205799, 13.25935741574934, -1.2215 ], [ 144.6649935342334, 13.26839239130348, -1.2215 ], [ 144.67421745116772, 13.268476779192, 71.7785 ], [ 144.67430339734875, 13.259441744147818, 71.7785 ], [ 144.6650798205799, 13.25935741574934, -1.2215 ] ] ] }, "bbox": [ 144.6649935, 13.25935742, -1.2215, 144.6743034, 13.26847678, 71.7785 ], "properties": { "datetime": "2011-09-19T07:06:16Z", "pc:count": 1407508, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 247653.1913, "count": 1407508, "maximum": 248000.0011, "minimum": 247000.0011, "name": "X", "position": 0, "stddev": 261.3301638, "variance": 68293.45451 }, { "average": 1467696.685, "count": 1407508, "maximum": 1468000.001, "minimum": 1467000.001, "name": "Y", "position": 1, "stddev": 215.7958811, "variance": 46567.86231 }, { "average": 21.05021696, "count": 1407508, "maximum": 71.7785, "minimum": -1.2215, "name": "Z", "position": 2, "stddev": 18.39601145, "variance": 338.4132372 }, { "average": 24.48597805, "count": 1407508, "maximum": 151, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.58831238, "variance": 112.1123591 }, { "average": 1.500054707, "count": 1407508, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001746, "variance": 0.2500001746 }, { "average": 1.998854003, "count": 1407508, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.033833187, "variance": 0.001144684543 }, { "average": 0.486321925, "count": 1407508, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4998130528, "variance": 0.2498130878 }, { "average": 0, "count": 1407508, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.126885247, "count": 1407508, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3568566325, "variance": 0.1273466562 }, { "average": -0.8825905939, "count": 1407508, "maximum": 40.0019989, "minimum": -40.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 25.09335318, "variance": 629.6763738 }, { "average": 0, "count": 1407508, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 11, "count": 1407508, "maximum": 11, "minimum": 11, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 438405.1159, "count": 1407508, "maximum": 451176.5926, "minimum": 338189.8332, "name": "GpsTime", "position": 12, "stddev": 29521.22218, "variance": 871502559 }, { "average": 0, "count": 1407508, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1407508, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1407508, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1407508, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1407508, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 247000.0011, 1467000.001, -1.2215, 248000.0011, 1468000.001, 71.7785 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 247000.00107186427, 1467000.0007609085, -1.2215 ], [ 247000.00107186427, 1468000.0007609085, -1.2215 ], [ 248000.00107186427, 1468000.0007609085, 71.7785 ], [ 248000.00107186427, 1467000.0007609085, 71.7785 ], [ 247000.00107186427, 1467000.0007609085, -1.2215 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T07:06:16+00:00", "end_time": "2011-09-17T23:43:09+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4767_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4767_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4767_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4767_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6649935, 13.25935742, -1.2215, 144.6743034, 13.26847678, 71.7785 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6650798205799, 13.25935741574934, -1.2215 ], [ 144.6649935342334, 13.26839239130348, -1.2215 ], [ 144.67421745116772, 13.268476779192, 71.7785 ], [ 144.67430339734875, 13.259441744147818, 71.7785 ], [ 144.6650798205799, 13.25935741574934, -1.2215 ] ] ] }, "id": "20070218_guam_55pbq4767_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4767_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-19T07:06:16Z", "pc:count": 1407508, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 247653.1913, "count": 1407508, "maximum": 248000.0011, "minimum": 247000.0011, "name": "X", "position": 0, "stddev": 261.3301638, "variance": 68293.45451 }, { "average": 1467696.685, "count": 1407508, "maximum": 1468000.001, "minimum": 1467000.001, "name": "Y", "position": 1, "stddev": 215.7958811, "variance": 46567.86231 }, { "average": 21.05021696, "count": 1407508, "maximum": 71.7785, "minimum": -1.2215, "name": "Z", "position": 2, "stddev": 18.39601145, "variance": 338.4132372 }, { "average": 24.48597805, "count": 1407508, "maximum": 151, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.58831238, "variance": 112.1123591 }, { "average": 1.500054707, "count": 1407508, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001746, "variance": 0.2500001746 }, { "average": 1.998854003, "count": 1407508, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.033833187, "variance": 0.001144684543 }, { "average": 0.486321925, "count": 1407508, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4998130528, "variance": 0.2498130878 }, { "average": 0, "count": 1407508, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.126885247, "count": 1407508, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3568566325, "variance": 0.1273466562 }, { "average": -0.8825905939, "count": 1407508, "maximum": 40.0019989, "minimum": -40.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 25.09335318, "variance": 629.6763738 }, { "average": 0, "count": 1407508, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 11, "count": 1407508, "maximum": 11, "minimum": 11, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 438405.1159, "count": 1407508, "maximum": 451176.5926, "minimum": 338189.8332, "name": "GpsTime", "position": 12, "stddev": 29521.22218, "variance": 871502559 }, { "average": 0, "count": 1407508, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1407508, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1407508, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1407508, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1407508, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 247000.0011, 1467000.001, -1.2215, 248000.0011, 1468000.001, 71.7785 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 247000.00107186427, 1467000.0007609085, -1.2215 ], [ 247000.00107186427, 1468000.0007609085, -1.2215 ], [ 248000.00107186427, 1468000.0007609085, 71.7785 ], [ 248000.00107186427, 1467000.0007609085, 71.7785 ], [ 247000.00107186427, 1467000.0007609085, -1.2215 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T07:06:16+00:00", "end_time": "2011-09-17T23:43:09+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": "20070218_guam_55pbq4387_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6264207637456, 13.43970998477542, -0.7705 ], [ 144.6263454879321, 13.447355962943657, -0.7705 ], [ 144.6355759490113, 13.447442883027877, 99.6095 ], [ 144.63565093276185, 13.439796853683683, 99.6095 ], [ 144.6264207637456, 13.43970998477542, -0.7705 ] ] ] }, "bbox": [ 144.6263455, 13.43970998, -0.7705, 144.6356509, 13.44744288, 99.6095 ], "properties": { "datetime": "2011-09-21T00:35:00Z", "pc:count": 1667979, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243406.665, "count": 1667979, "maximum": 243999.9934, "minimum": 242999.9934, "name": "X", "position": 0, "stddev": 278.4086717, "variance": 77511.3885 }, { "average": 1487320.61, "count": 1667979, "maximum": 1487846.284, "minimum": 1486999.984, "name": "Y", "position": 1, "stddev": 211.1902585, "variance": 44601.32527 }, { "average": 35.4490167, "count": 1667979, "maximum": 99.6095, "minimum": -0.7705, "name": "Z", "position": 2, "stddev": 12.04922052, "variance": 145.1837152 }, { "average": 16.70808925, "count": 1667979, "maximum": 152, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.768957923, "variance": 95.4325389 }, { "average": 1.49997452, "count": 1667979, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001492, "variance": 0.2500001492 }, { "average": 1.99993705, "count": 1667979, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.007933883526, "variance": 6.294650781e-05 }, { "average": 0.4841038167, "count": 1667979, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4997473973, "variance": 0.2497474611 }, { "average": 0, "count": 1667979, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.162479264, "count": 1667979, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3760367608, "variance": 0.1414036455 }, { "average": -1.241694757, "count": 1667979, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.19972372, "variance": 635.0260756 }, { "average": 0, "count": 1667979, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 17.09578778, "count": 1667979, "maximum": 19, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 0.4270835569, "variance": 0.1824003646 }, { "average": 598548.0732, "count": 1667979, "maximum": 600500.4917, "minimum": 106325.4362, "name": "GpsTime", "position": 12, "stddev": 18423.29638, "variance": 339417849.5 }, { "average": 0, "count": 1667979, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1667979, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1667979, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1667979, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1667979, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242999.9934, 1486999.984, -0.7705, 243999.9934, 1487846.284, 99.6095 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242999.99340707177, 1486999.9842301935, -0.7705 ], [ 242999.99340707177, 1487846.2842301934, -0.7705 ], [ 243999.99340707177, 1487846.2842301934, 99.6095 ], [ 243999.99340707177, 1486999.9842301935, 99.6095 ], [ 242999.99340707177, 1486999.9842301935, -0.7705 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-21T00:35:00+00:00", "end_time": "2011-09-15T07:18:45+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4387_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4387_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4387_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4387_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6263455, 13.43970998, -0.7705, 144.6356509, 13.44744288, 99.6095 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6264207637456, 13.43970998477542, -0.7705 ], [ 144.6263454879321, 13.447355962943657, -0.7705 ], [ 144.6355759490113, 13.447442883027877, 99.6095 ], [ 144.63565093276185, 13.439796853683683, 99.6095 ], [ 144.6264207637456, 13.43970998477542, -0.7705 ] ] ] }, "id": "20070218_guam_55pbq4387_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4387_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-21T00:35:00Z", "pc:count": 1667979, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243406.665, "count": 1667979, "maximum": 243999.9934, "minimum": 242999.9934, "name": "X", "position": 0, "stddev": 278.4086717, "variance": 77511.3885 }, { "average": 1487320.61, "count": 1667979, "maximum": 1487846.284, "minimum": 1486999.984, "name": "Y", "position": 1, "stddev": 211.1902585, "variance": 44601.32527 }, { "average": 35.4490167, "count": 1667979, "maximum": 99.6095, "minimum": -0.7705, "name": "Z", "position": 2, "stddev": 12.04922052, "variance": 145.1837152 }, { "average": 16.70808925, "count": 1667979, "maximum": 152, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.768957923, "variance": 95.4325389 }, { "average": 1.49997452, "count": 1667979, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001492, "variance": 0.2500001492 }, { "average": 1.99993705, "count": 1667979, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.007933883526, "variance": 6.294650781e-05 }, { "average": 0.4841038167, "count": 1667979, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4997473973, "variance": 0.2497474611 }, { "average": 0, "count": 1667979, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.162479264, "count": 1667979, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3760367608, "variance": 0.1414036455 }, { "average": -1.241694757, "count": 1667979, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.19972372, "variance": 635.0260756 }, { "average": 0, "count": 1667979, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 17.09578778, "count": 1667979, "maximum": 19, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 0.4270835569, "variance": 0.1824003646 }, { "average": 598548.0732, "count": 1667979, "maximum": 600500.4917, "minimum": 106325.4362, "name": "GpsTime", "position": 12, "stddev": 18423.29638, "variance": 339417849.5 }, { "average": 0, "count": 1667979, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1667979, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1667979, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1667979, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1667979, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242999.9934, 1486999.984, -0.7705, 243999.9934, 1487846.284, 99.6095 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242999.99340707177, 1486999.9842301935, -0.7705 ], [ 242999.99340707177, 1487846.2842301934, -0.7705 ], [ 243999.99340707177, 1487846.2842301934, 99.6095 ], [ 243999.99340707177, 1486999.9842301935, 99.6095 ], [ 242999.99340707177, 1486999.9842301935, -0.7705 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-21T00:35:00+00:00", "end_time": "2011-09-15T07:18:45+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": "20070218_guam_55pbq4589_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.64465770072567, 13.462783859188802, -0.376 ], [ 144.6446384965369, 13.46474655755938, -0.376 ], [ 144.65386919206227, 13.464832911117757, 15.804 ], [ 144.65388832115207, 13.462870199706593, 15.804 ], [ 144.64465770072567, 13.462783859188802, -0.376 ] ] ] }, "bbox": [ 144.6446385, 13.46278386, -0.376, 144.6538883, 13.46483291, 15.804 ], "properties": { "datetime": "2011-09-20T02:37:11Z", "pc:count": 205284, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 245515.0702, "count": 205284, "maximum": 245999.9745, "minimum": 245000.0345, "name": "X", "position": 0, "stddev": 259.5430178, "variance": 67362.57809 }, { "average": 1489705.108, "count": 205284, "maximum": 1489751.945, "minimum": 1489534.705, "name": "Y", "position": 1, "stddev": 33.24909543, "variance": 1105.502347 }, { "average": 3.086344752, "count": 205284, "maximum": 15.804, "minimum": -0.376, "name": "Z", "position": 2, "stddev": 1.913399584, "variance": 3.661097968 }, { "average": 28.05083202, "count": 205284, "maximum": 70, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.83523334, "variance": 117.4022816 }, { "average": 1.499907445, "count": 205284, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000012093, "variance": 0.2500012093 }, { "average": 1.999751564, "count": 205284, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01575994295, "variance": 0.0002483758019 }, { "average": 0.800150036, "count": 205284, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.399888403, "variance": 0.1599107348 }, { "average": 0, "count": 205284, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.231040899, "count": 205284, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4258114144, "variance": 0.1813153607 }, { "average": 18.51544582, "count": 205284, "maximum": 37.9980011, "minimum": -30, "name": "ScanAngleRank", "position": 9, "stddev": 16.11044545, "variance": 259.5464527 }, { "average": 0, "count": 205284, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 24.54086534, "count": 205284, "maximum": 26, "minimum": 19, "name": "PointSourceId", "position": 11, "stddev": 2.843397274, "variance": 8.084908057 }, { "average": 521147.4903, "count": 205284, "maximum": 521431.0884, "minimum": 520881.4131, "name": "GpsTime", "position": 12, "stddev": 210.9780047, "variance": 44511.71848 }, { "average": 0, "count": 205284, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 205284, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 205284, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 205284, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 205284, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 245000.0345, 1489534.705, -0.376, 245999.9745, 1489751.945, 15.804 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 245000.03445616938, 1489534.7053183732, -0.376 ], [ 245000.03445616938, 1489751.9453183734, -0.376 ], [ 245999.97445616938, 1489751.9453183734, 15.804 ], [ 245999.97445616938, 1489534.7053183732, 15.804 ], [ 245000.03445616938, 1489534.7053183732, -0.376 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T02:37:11+00:00", "end_time": "2011-09-20T02:28:01+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4589_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4589_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4589_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4589_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6446385, 13.46278386, -0.376, 144.6538883, 13.46483291, 15.804 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.64465770072567, 13.462783859188802, -0.376 ], [ 144.6446384965369, 13.46474655755938, -0.376 ], [ 144.65386919206227, 13.464832911117757, 15.804 ], [ 144.65388832115207, 13.462870199706593, 15.804 ], [ 144.64465770072567, 13.462783859188802, -0.376 ] ] ] }, "id": "20070218_guam_55pbq4589_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4589_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-20T02:37:11Z", "pc:count": 205284, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 245515.0702, "count": 205284, "maximum": 245999.9745, "minimum": 245000.0345, "name": "X", "position": 0, "stddev": 259.5430178, "variance": 67362.57809 }, { "average": 1489705.108, "count": 205284, "maximum": 1489751.945, "minimum": 1489534.705, "name": "Y", "position": 1, "stddev": 33.24909543, "variance": 1105.502347 }, { "average": 3.086344752, "count": 205284, "maximum": 15.804, "minimum": -0.376, "name": "Z", "position": 2, "stddev": 1.913399584, "variance": 3.661097968 }, { "average": 28.05083202, "count": 205284, "maximum": 70, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.83523334, "variance": 117.4022816 }, { "average": 1.499907445, "count": 205284, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000012093, "variance": 0.2500012093 }, { "average": 1.999751564, "count": 205284, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01575994295, "variance": 0.0002483758019 }, { "average": 0.800150036, "count": 205284, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.399888403, "variance": 0.1599107348 }, { "average": 0, "count": 205284, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.231040899, "count": 205284, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4258114144, "variance": 0.1813153607 }, { "average": 18.51544582, "count": 205284, "maximum": 37.9980011, "minimum": -30, "name": "ScanAngleRank", "position": 9, "stddev": 16.11044545, "variance": 259.5464527 }, { "average": 0, "count": 205284, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 24.54086534, "count": 205284, "maximum": 26, "minimum": 19, "name": "PointSourceId", "position": 11, "stddev": 2.843397274, "variance": 8.084908057 }, { "average": 521147.4903, "count": 205284, "maximum": 521431.0884, "minimum": 520881.4131, "name": "GpsTime", "position": 12, "stddev": 210.9780047, "variance": 44511.71848 }, { "average": 0, "count": 205284, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 205284, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 205284, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 205284, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 205284, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 245000.0345, 1489534.705, -0.376, 245999.9745, 1489751.945, 15.804 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 245000.03445616938, 1489534.7053183732, -0.376 ], [ 245000.03445616938, 1489751.9453183734, -0.376 ], [ 245999.97445616938, 1489751.9453183734, 15.804 ], [ 245999.97445616938, 1489534.7053183732, 15.804 ], [ 245000.03445616938, 1489534.7053183732, -0.376 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T02:37:11+00:00", "end_time": "2011-09-20T02:28:01+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": "20070218_guam_55pbq4987_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.68180274275755, 13.440226216316043, -0.034 ], [ 144.68171586177584, 13.449261170639879, -0.034 ], [ 144.69094676265294, 13.449346072501616, 75.726 ], [ 144.69103329833604, 13.440311059048755, 75.726 ], [ 144.68180274275755, 13.440226216316043, -0.034 ] ] ] }, "bbox": [ 144.6817159, 13.44022622, -0.034, 144.6910333, 13.44934607, 75.726 ], "properties": { "datetime": "2011-09-16T08:43:55Z", "pc:count": 2806986, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 249515.7844, "count": 2806986, "maximum": 249999.9928, "minimum": 248999.9928, "name": "X", "position": 0, "stddev": 283.7219582, "variance": 80498.14954 }, { "average": 1487499.109, "count": 2806986, "maximum": 1487999.993, "minimum": 1486999.993, "name": "Y", "position": 1, "stddev": 284.925706, "variance": 81182.65795 }, { "average": 28.63156579, "count": 2806986, "maximum": 75.726, "minimum": -0.034, "name": "Z", "position": 2, "stddev": 20.05844357, "variance": 402.3411584 }, { "average": 19.08297512, "count": 2806986, "maximum": 85, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.645309035, "variance": 93.03198637 }, { "average": 1.499931955, "count": 2806986, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000844, "variance": 0.2500000844 }, { "average": 1.999822229, "count": 2806986, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01333188691, "variance": 0.0001777392086 }, { "average": 0.4923861394, "count": 2806986, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999421148, "variance": 0.2499421182 }, { "average": 0, "count": 2806986, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.050363985, "count": 2806986, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2389874808, "variance": 0.05711501598 }, { "average": -0.4038241015, "count": 2806986, "maximum": 39, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.56492053, "variance": 653.5651618 }, { "average": 0, "count": 2806986, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 31.27748945, "count": 2806986, "maximum": 32, "minimum": 31, "name": "PointSourceId", "position": 11, "stddev": 0.4477601214, "variance": 0.2004891264 }, { "average": 164851.1993, "count": 2806986, "maximum": 197835.3793, "minimum": 84352.86306, "name": "GpsTime", "position": 12, "stddev": 48384.57095, "variance": 2341066706 }, { "average": 0, "count": 2806986, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2806986, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2806986, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2806986, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2806986, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 248999.9928, 1486999.993, -0.034, 249999.9928, 1487999.993, 75.726 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 248999.99284318608, 1486999.9934546005, -0.034 ], [ 248999.99284318608, 1487999.9934546005, -0.034 ], [ 249999.99284318608, 1487999.9934546005, 75.726 ], [ 249999.99284318608, 1486999.9934546005, 75.726 ], [ 248999.99284318608, 1486999.9934546005, -0.034 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T08:43:55+00:00", "end_time": "2011-09-15T01:12:32+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4987_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4987_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4987_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4987_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6817159, 13.44022622, -0.034, 144.6910333, 13.44934607, 75.726 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.68180274275755, 13.440226216316043, -0.034 ], [ 144.68171586177584, 13.449261170639879, -0.034 ], [ 144.69094676265294, 13.449346072501616, 75.726 ], [ 144.69103329833604, 13.440311059048755, 75.726 ], [ 144.68180274275755, 13.440226216316043, -0.034 ] ] ] }, "id": "20070218_guam_55pbq4987_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4987_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-16T08:43:55Z", "pc:count": 2806986, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 249515.7844, "count": 2806986, "maximum": 249999.9928, "minimum": 248999.9928, "name": "X", "position": 0, "stddev": 283.7219582, "variance": 80498.14954 }, { "average": 1487499.109, "count": 2806986, "maximum": 1487999.993, "minimum": 1486999.993, "name": "Y", "position": 1, "stddev": 284.925706, "variance": 81182.65795 }, { "average": 28.63156579, "count": 2806986, "maximum": 75.726, "minimum": -0.034, "name": "Z", "position": 2, "stddev": 20.05844357, "variance": 402.3411584 }, { "average": 19.08297512, "count": 2806986, "maximum": 85, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 9.645309035, "variance": 93.03198637 }, { "average": 1.499931955, "count": 2806986, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000844, "variance": 0.2500000844 }, { "average": 1.999822229, "count": 2806986, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01333188691, "variance": 0.0001777392086 }, { "average": 0.4923861394, "count": 2806986, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999421148, "variance": 0.2499421182 }, { "average": 0, "count": 2806986, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.050363985, "count": 2806986, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2389874808, "variance": 0.05711501598 }, { "average": -0.4038241015, "count": 2806986, "maximum": 39, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.56492053, "variance": 653.5651618 }, { "average": 0, "count": 2806986, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 31.27748945, "count": 2806986, "maximum": 32, "minimum": 31, "name": "PointSourceId", "position": 11, "stddev": 0.4477601214, "variance": 0.2004891264 }, { "average": 164851.1993, "count": 2806986, "maximum": 197835.3793, "minimum": 84352.86306, "name": "GpsTime", "position": 12, "stddev": 48384.57095, "variance": 2341066706 }, { "average": 0, "count": 2806986, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2806986, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2806986, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2806986, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2806986, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 248999.9928, 1486999.993, -0.034, 249999.9928, 1487999.993, 75.726 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 248999.99284318608, 1486999.9934546005, -0.034 ], [ 248999.99284318608, 1487999.9934546005, -0.034 ], [ 249999.99284318608, 1487999.9934546005, 75.726 ], [ 249999.99284318608, 1486999.9934546005, 75.726 ], [ 248999.99284318608, 1486999.9934546005, -0.034 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T08:43:55+00:00", "end_time": "2011-09-15T01:12:32+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": "20070218_guam_55pbq4889_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6723976907211, 13.458210851633329, -0.324 ], [ 144.67232205602252, 13.466033974860629, -0.324 ], [ 144.68155353756654, 13.466119325182051, 25.816 ], [ 144.68162887306832, 13.458296150664635, 25.816 ], [ 144.6723976907211, 13.458210851633329, -0.324 ] ] ] }, "bbox": [ 144.6723221, 13.45821085, -0.324, 144.6816289, 13.46611933, 25.816 ], "properties": { "datetime": "2011-09-20T02:32:04Z", "pc:count": 1092907, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 248524.0871, "count": 1092907, "maximum": 248999.9881, "minimum": 247999.9881, "name": "X", "position": 0, "stddev": 282.8416478, "variance": 79999.39776 }, { "average": 1489462.355, "count": 1092907, "maximum": 1489865.877, "minimum": 1488999.997, "name": "Y", "position": 1, "stddev": 147.4628581, "variance": 21745.29452 }, { "average": 4.850584123, "count": 1092907, "maximum": 25.816, "minimum": -0.324, "name": "Z", "position": 2, "stddev": 2.888321045, "variance": 8.342398459 }, { "average": 21.13062777, "count": 1092907, "maximum": 139, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.34091806, "variance": 106.9345864 }, { "average": 1.499970263, "count": 1092907, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000002279, "variance": 0.2500002279 }, { "average": 1.999896606, "count": 1092907, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01016776181, "variance": 0.0001033833802 }, { "average": 0.4728599963, "count": 1092907, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4992631053, "variance": 0.2492636483 }, { "average": 0, "count": 1092907, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.182848129, "count": 1092907, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3929512469, "variance": 0.1544106825 }, { "average": -2.074397741, "count": 1092907, "maximum": 37.0019989, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.87382795, "variance": 618.707317 }, { "average": 0, "count": 1092907, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 30.51033071, "count": 1092907, "maximum": 32, "minimum": 26, "name": "PointSourceId", "position": 11, "stddev": 2.592085513, "variance": 6.718907309 }, { "average": 227574.9823, "count": 1092907, "maximum": 521124.5898, "minimum": 165186.2959, "name": "GpsTime", "position": 12, "stddev": 113391.7509, "variance": 12857689180.0 }, { "average": 0, "count": 1092907, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1092907, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1092907, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1092907, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1092907, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 247999.9881, 1488999.997, -0.324, 248999.9881, 1489865.877, 25.816 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 247999.98813257233, 1488999.9971192116, -0.324 ], [ 247999.98813257233, 1489865.8771192115, -0.324 ], [ 248999.98813257233, 1489865.8771192115, 25.816 ], [ 248999.98813257233, 1488999.9971192116, 25.816 ], [ 247999.98813257233, 1488999.9971192116, -0.324 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T02:32:04+00:00", "end_time": "2011-09-15T23:39:46+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4889_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4889_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4889_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4889_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6723221, 13.45821085, -0.324, 144.6816289, 13.46611933, 25.816 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6723976907211, 13.458210851633329, -0.324 ], [ 144.67232205602252, 13.466033974860629, -0.324 ], [ 144.68155353756654, 13.466119325182051, 25.816 ], [ 144.68162887306832, 13.458296150664635, 25.816 ], [ 144.6723976907211, 13.458210851633329, -0.324 ] ] ] }, "id": "20070218_guam_55pbq4889_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4889_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-20T02:32:04Z", "pc:count": 1092907, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 248524.0871, "count": 1092907, "maximum": 248999.9881, "minimum": 247999.9881, "name": "X", "position": 0, "stddev": 282.8416478, "variance": 79999.39776 }, { "average": 1489462.355, "count": 1092907, "maximum": 1489865.877, "minimum": 1488999.997, "name": "Y", "position": 1, "stddev": 147.4628581, "variance": 21745.29452 }, { "average": 4.850584123, "count": 1092907, "maximum": 25.816, "minimum": -0.324, "name": "Z", "position": 2, "stddev": 2.888321045, "variance": 8.342398459 }, { "average": 21.13062777, "count": 1092907, "maximum": 139, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.34091806, "variance": 106.9345864 }, { "average": 1.499970263, "count": 1092907, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000002279, "variance": 0.2500002279 }, { "average": 1.999896606, "count": 1092907, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01016776181, "variance": 0.0001033833802 }, { "average": 0.4728599963, "count": 1092907, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4992631053, "variance": 0.2492636483 }, { "average": 0, "count": 1092907, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.182848129, "count": 1092907, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3929512469, "variance": 0.1544106825 }, { "average": -2.074397741, "count": 1092907, "maximum": 37.0019989, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.87382795, "variance": 618.707317 }, { "average": 0, "count": 1092907, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 30.51033071, "count": 1092907, "maximum": 32, "minimum": 26, "name": "PointSourceId", "position": 11, "stddev": 2.592085513, "variance": 6.718907309 }, { "average": 227574.9823, "count": 1092907, "maximum": 521124.5898, "minimum": 165186.2959, "name": "GpsTime", "position": 12, "stddev": 113391.7509, "variance": 12857689180.0 }, { "average": 0, "count": 1092907, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1092907, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1092907, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1092907, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1092907, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 247999.9881, 1488999.997, -0.324, 248999.9881, 1489865.877, 25.816 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 247999.98813257233, 1488999.9971192116, -0.324 ], [ 247999.98813257233, 1489865.8771192115, -0.324 ], [ 248999.98813257233, 1489865.8771192115, 25.816 ], [ 248999.98813257233, 1488999.9971192116, 25.816 ], [ 247999.98813257233, 1488999.9971192116, -0.324 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T02:32:04+00:00", "end_time": "2011-09-15T23:39:46+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": "20070218_guam_55pbq4664_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.65604652586907, 13.239401047448881, -0.748 ], [ 144.65602928415325, 13.241202793975111, -0.748 ], [ 144.65907871458285, 13.241230783751808, 23.172 ], [ 144.65909593391396, 13.239429033283104, 23.172 ], [ 144.65604652586907, 13.239401047448881, -0.748 ] ] ] }, "bbox": [ 144.6560293, 13.23940105, -0.748, 144.6590959, 13.24123078, 23.172 ], "properties": { "datetime": "2011-09-19T01:43:47Z", "pc:count": 107010, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246109.0317, "count": 107010, "maximum": 246330.6319, "minimum": 245999.9919, "name": "X", "position": 0, "stddev": 73.88445743, "variance": 5458.91305 }, { "average": 1464919.447, "count": 107010, "maximum": 1464999.989, "minimum": 1464800.569, "name": "Y", "position": 1, "stddev": 46.98866884, "variance": 2207.934999 }, { "average": 5.784446127, "count": 107010, "maximum": 23.172, "minimum": -0.748, "name": "Z", "position": 2, "stddev": 5.898700438, "variance": 34.79466685 }, { "average": 20.27727315, "count": 107010, "maximum": 54, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.18166923, "variance": 125.0297267 }, { "average": 1.499878516, "count": 107010, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000023215, "variance": 0.2500023215 }, { "average": 1.999841136, "count": 107010, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01260317041, "variance": 0.0001588399043 }, { "average": 0.5368750584, "count": 107010, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4986407059, "variance": 0.2486425536 }, { "average": 0, "count": 107010, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.139127184, "count": 107010, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4493490333, "variance": 0.2019145537 }, { "average": 3.149203747, "count": 107010, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.07643821, "variance": 628.8277531 }, { "average": 0, "count": 107010, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 86, "count": 107010, "maximum": 86, "minimum": 86, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 430668.0241, "count": 107010, "maximum": 431827.7635, "minimum": 429274.2379, "name": "GpsTime", "position": 12, "stddev": 526.9160731, "variance": 277640.5481 }, { "average": 0, "count": 107010, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107010, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107010, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107010, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107010, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 245999.9919, 1464800.569, -0.748, 246330.6319, 1464999.989, 23.172 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 245999.99187228444, 1464800.5689206584, -0.748 ], [ 245999.99187228444, 1464999.9889206584, -0.748 ], [ 246330.63187228446, 1464999.9889206584, 23.172 ], [ 246330.63187228446, 1464800.5689206584, 23.172 ], [ 245999.99187228444, 1464800.5689206584, -0.748 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T01:43:47+00:00", "end_time": "2011-09-19T01:01:14+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4664_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4664_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4664_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4664_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6560293, 13.23940105, -0.748, 144.6590959, 13.24123078, 23.172 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.65604652586907, 13.239401047448881, -0.748 ], [ 144.65602928415325, 13.241202793975111, -0.748 ], [ 144.65907871458285, 13.241230783751808, 23.172 ], [ 144.65909593391396, 13.239429033283104, 23.172 ], [ 144.65604652586907, 13.239401047448881, -0.748 ] ] ] }, "id": "20070218_guam_55pbq4664_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4664_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-19T01:43:47Z", "pc:count": 107010, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246109.0317, "count": 107010, "maximum": 246330.6319, "minimum": 245999.9919, "name": "X", "position": 0, "stddev": 73.88445743, "variance": 5458.91305 }, { "average": 1464919.447, "count": 107010, "maximum": 1464999.989, "minimum": 1464800.569, "name": "Y", "position": 1, "stddev": 46.98866884, "variance": 2207.934999 }, { "average": 5.784446127, "count": 107010, "maximum": 23.172, "minimum": -0.748, "name": "Z", "position": 2, "stddev": 5.898700438, "variance": 34.79466685 }, { "average": 20.27727315, "count": 107010, "maximum": 54, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.18166923, "variance": 125.0297267 }, { "average": 1.499878516, "count": 107010, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000023215, "variance": 0.2500023215 }, { "average": 1.999841136, "count": 107010, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01260317041, "variance": 0.0001588399043 }, { "average": 0.5368750584, "count": 107010, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4986407059, "variance": 0.2486425536 }, { "average": 0, "count": 107010, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.139127184, "count": 107010, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4493490333, "variance": 0.2019145537 }, { "average": 3.149203747, "count": 107010, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.07643821, "variance": 628.8277531 }, { "average": 0, "count": 107010, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 86, "count": 107010, "maximum": 86, "minimum": 86, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 430668.0241, "count": 107010, "maximum": 431827.7635, "minimum": 429274.2379, "name": "GpsTime", "position": 12, "stddev": 526.9160731, "variance": 277640.5481 }, { "average": 0, "count": 107010, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107010, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107010, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107010, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 107010, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 245999.9919, 1464800.569, -0.748, 246330.6319, 1464999.989, 23.172 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 245999.99187228444, 1464800.5689206584, -0.748 ], [ 245999.99187228444, 1464999.9889206584, -0.748 ], [ 246330.63187228446, 1464999.9889206584, 23.172 ], [ 246330.63187228446, 1464800.5689206584, 23.172 ], [ 245999.99187228444, 1464800.5689206584, -0.748 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T01:43:47+00:00", "end_time": "2011-09-19T01:01:14+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": "20070218_guam_55pbq4665_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.65603015055788, 13.241202698554511, -0.781 ], [ 144.65602000769013, 13.242262496177, -0.781 ], [ 144.6581822122557, 13.242282347690933, 20.279 ], [ 144.65819234578638, 13.241222548423849, 20.279 ], [ 144.65603015055788, 13.241202698554511, -0.781 ] ] ] }, "bbox": [ 144.65602, 13.2412027, -0.781, 144.6581923, 13.24228235, 20.279 ], "properties": { "datetime": "2011-09-19T01:43:47Z", "pc:count": 53445, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246130.7272, "count": 53445, "maximum": 246234.5257, "minimum": 246000.0857, "name": "X", "position": 0, "stddev": 55.09496036, "variance": 3035.454657 }, { "average": 1465049.649, "count": 53445, "maximum": 1465117.277, "minimum": 1464999.977, "name": "Y", "position": 1, "stddev": 30.84657914, "variance": 951.5114445 }, { "average": 5.07430246, "count": 53445, "maximum": 20.279, "minimum": -0.781, "name": "Z", "position": 2, "stddev": 5.25855716, "variance": 27.6524234 }, { "average": 21.86902423, "count": 53445, "maximum": 56, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 12.39327855, "variance": 153.5933532 }, { "average": 1.500065488, "count": 53445, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000046735, "variance": 0.2500046735 }, { "average": 1.99977547, "count": 53445, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01498277935, "variance": 0.0002244836771 }, { "average": 0.5121526803, "count": 53445, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4998569669, "variance": 0.2498569874 }, { "average": 0, "count": 53445, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.196912714, "count": 53445, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.5112990693, "variance": 0.2614267382 }, { "average": -1.541594262, "count": 53445, "maximum": 36, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.28420409, "variance": 639.2909766 }, { "average": 0, "count": 53445, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 86, "count": 53445, "maximum": 86, "minimum": 86, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 431127.853, "count": 53445, "maximum": 431827.0696, "minimum": 430207.1522, "name": "GpsTime", "position": 12, "stddev": 489.7342138, "variance": 239839.6001 }, { "average": 0, "count": 53445, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 53445, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 53445, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 53445, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 53445, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246000.0857, 1464999.977, -0.781, 246234.5257, 1465117.277, 20.279 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246000.0857066176, 1464999.9774796057, -0.781 ], [ 246000.0857066176, 1465117.2774796055, -0.781 ], [ 246234.5257066176, 1465117.2774796055, 20.279 ], [ 246234.5257066176, 1464999.9774796057, 20.279 ], [ 246000.0857066176, 1464999.9774796057, -0.781 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T01:43:47+00:00", "end_time": "2011-09-19T01:16:47+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4665_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4665_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4665_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4665_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.65602, 13.2412027, -0.781, 144.6581923, 13.24228235, 20.279 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.65603015055788, 13.241202698554511, -0.781 ], [ 144.65602000769013, 13.242262496177, -0.781 ], [ 144.6581822122557, 13.242282347690933, 20.279 ], [ 144.65819234578638, 13.241222548423849, 20.279 ], [ 144.65603015055788, 13.241202698554511, -0.781 ] ] ] }, "id": "20070218_guam_55pbq4665_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4665_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-19T01:43:47Z", "pc:count": 53445, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246130.7272, "count": 53445, "maximum": 246234.5257, "minimum": 246000.0857, "name": "X", "position": 0, "stddev": 55.09496036, "variance": 3035.454657 }, { "average": 1465049.649, "count": 53445, "maximum": 1465117.277, "minimum": 1464999.977, "name": "Y", "position": 1, "stddev": 30.84657914, "variance": 951.5114445 }, { "average": 5.07430246, "count": 53445, "maximum": 20.279, "minimum": -0.781, "name": "Z", "position": 2, "stddev": 5.25855716, "variance": 27.6524234 }, { "average": 21.86902423, "count": 53445, "maximum": 56, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 12.39327855, "variance": 153.5933532 }, { "average": 1.500065488, "count": 53445, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000046735, "variance": 0.2500046735 }, { "average": 1.99977547, "count": 53445, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01498277935, "variance": 0.0002244836771 }, { "average": 0.5121526803, "count": 53445, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4998569669, "variance": 0.2498569874 }, { "average": 0, "count": 53445, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.196912714, "count": 53445, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.5112990693, "variance": 0.2614267382 }, { "average": -1.541594262, "count": 53445, "maximum": 36, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 25.28420409, "variance": 639.2909766 }, { "average": 0, "count": 53445, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 86, "count": 53445, "maximum": 86, "minimum": 86, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 431127.853, "count": 53445, "maximum": 431827.0696, "minimum": 430207.1522, "name": "GpsTime", "position": 12, "stddev": 489.7342138, "variance": 239839.6001 }, { "average": 0, "count": 53445, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 53445, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 53445, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 53445, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 53445, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246000.0857, 1464999.977, -0.781, 246234.5257, 1465117.277, 20.279 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246000.0857066176, 1464999.9774796057, -0.781 ], [ 246000.0857066176, 1465117.2774796055, -0.781 ], [ 246234.5257066176, 1465117.2774796055, 20.279 ], [ 246234.5257066176, 1464999.9774796057, 20.279 ], [ 246000.0857066176, 1464999.9774796057, -0.781 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T01:43:47+00:00", "end_time": "2011-09-19T01:16:47+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": "20070218_guam_55pbq5085_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.69120607314724, 13.422241013910694, 16.371 ], [ 144.69111966481083, 13.431276041431556, 16.371 ], [ 144.7003501234658, 13.43136048922331, 303.711 ], [ 144.70043618713558, 13.422325402896965, 303.711 ], [ 144.69120607314724, 13.422241013910694, 16.371 ] ] ] }, "bbox": [ 144.6911197, 13.42224101, 16.371, 144.7004362, 13.43136049, 303.711 ], "properties": { "datetime": "2011-09-20T00:38:38Z", "pc:count": 3010311, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 250514.7823, "count": 3010311, "maximum": 251000.0014, "minimum": 249999.9814, "name": "X", "position": 0, "stddev": 292.6943143, "variance": 85669.96161 }, { "average": 1485488.794, "count": 3010311, "maximum": 1485999.994, "minimum": 1484999.994, "name": "Y", "position": 1, "stddev": 289.4945141, "variance": 83807.07369 }, { "average": 126.3160367, "count": 3010311, "maximum": 303.711, "minimum": 16.371, "name": "Z", "position": 2, "stddev": 67.96693262, "variance": 4619.50393 }, { "average": 29.63730558, "count": 3010311, "maximum": 74, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.58936472, "variance": 134.3133747 }, { "average": 1.500015779, "count": 3010311, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000828, "variance": 0.2500000828 }, { "average": 1.999925257, "count": 3010311, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.008645087983, "variance": 7.473754623e-05 }, { "average": 0.4980575097, "count": 3010311, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999963098, "variance": 0.2499963098 }, { "average": 0, "count": 3010311, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.120101212, "count": 3010311, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.342733759, "variance": 0.1174664296 }, { "average": -0.3463914841, "count": 3010311, "maximum": 40.9980011, "minimum": -40.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.94245863, "variance": 622.1262428 }, { "average": 0, "count": 3010311, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 31, "count": 3010311, "maximum": 31, "minimum": 31, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 98725.52222, "count": 3010311, "maximum": 514318.6133, "minimum": 19371.10578, "name": "GpsTime", "position": 12, "stddev": 175057.355, "variance": 30645077530.0 }, { "average": 0, "count": 3010311, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3010311, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3010311, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3010311, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3010311, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 249999.9814, 1484999.994, 16.371, 251000.0014, 1485999.994, 303.711 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 249999.981409412, 1484999.9938738763, 16.371 ], [ 249999.981409412, 1485999.9938738763, 16.371 ], [ 251000.001409412, 1485999.9938738763, 303.711 ], [ 251000.001409412, 1484999.9938738763, 303.711 ], [ 249999.981409412, 1484999.9938738763, 16.371 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T00:38:38+00:00", "end_time": "2011-09-14T07:09:31+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq5085_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq5085_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq5085_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq5085_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6911197, 13.42224101, 16.371, 144.7004362, 13.43136049, 303.711 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.69120607314724, 13.422241013910694, 16.371 ], [ 144.69111966481083, 13.431276041431556, 16.371 ], [ 144.7003501234658, 13.43136048922331, 303.711 ], [ 144.70043618713558, 13.422325402896965, 303.711 ], [ 144.69120607314724, 13.422241013910694, 16.371 ] ] ] }, "id": "20070218_guam_55pbq5085_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq5085_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-20T00:38:38Z", "pc:count": 3010311, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 250514.7823, "count": 3010311, "maximum": 251000.0014, "minimum": 249999.9814, "name": "X", "position": 0, "stddev": 292.6943143, "variance": 85669.96161 }, { "average": 1485488.794, "count": 3010311, "maximum": 1485999.994, "minimum": 1484999.994, "name": "Y", "position": 1, "stddev": 289.4945141, "variance": 83807.07369 }, { "average": 126.3160367, "count": 3010311, "maximum": 303.711, "minimum": 16.371, "name": "Z", "position": 2, "stddev": 67.96693262, "variance": 4619.50393 }, { "average": 29.63730558, "count": 3010311, "maximum": 74, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.58936472, "variance": 134.3133747 }, { "average": 1.500015779, "count": 3010311, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000828, "variance": 0.2500000828 }, { "average": 1.999925257, "count": 3010311, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.008645087983, "variance": 7.473754623e-05 }, { "average": 0.4980575097, "count": 3010311, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999963098, "variance": 0.2499963098 }, { "average": 0, "count": 3010311, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.120101212, "count": 3010311, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.342733759, "variance": 0.1174664296 }, { "average": -0.3463914841, "count": 3010311, "maximum": 40.9980011, "minimum": -40.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.94245863, "variance": 622.1262428 }, { "average": 0, "count": 3010311, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 31, "count": 3010311, "maximum": 31, "minimum": 31, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 98725.52222, "count": 3010311, "maximum": 514318.6133, "minimum": 19371.10578, "name": "GpsTime", "position": 12, "stddev": 175057.355, "variance": 30645077530.0 }, { "average": 0, "count": 3010311, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3010311, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3010311, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3010311, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3010311, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 249999.9814, 1484999.994, 16.371, 251000.0014, 1485999.994, 303.711 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 249999.981409412, 1484999.9938738763, 16.371 ], [ 249999.981409412, 1485999.9938738763, 16.371 ], [ 251000.001409412, 1485999.9938738763, 303.711 ], [ 251000.001409412, 1484999.9938738763, 303.711 ], [ 249999.981409412, 1484999.9938738763, 16.371 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T00:38:38+00:00", "end_time": "2011-09-14T07:09:31+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": "20070218_guam_55pbq4667_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.65673264500802, 13.264866554604986, -1.118 ], [ 144.65669957651446, 13.268316086949431, -1.118 ], [ 144.66499348339318, 13.268392251431116, 21.722 ], [ 144.66502643508215, 13.264942698586987, 21.722 ], [ 144.65673264500802, 13.264866554604986, -1.118 ] ] ] }, "bbox": [ 144.6566996, 13.26486655, -1.118, 144.6650264, 13.26839225, 21.722 ], "properties": { "datetime": "2011-09-19T07:44:17Z", "pc:count": 114724, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246454.6646, "count": 114724, "maximum": 246999.9954, "minimum": 246100.8154, "name": "X", "position": 0, "stddev": 257.1389936, "variance": 66120.46204 }, { "average": 1467859.114, "count": 114724, "maximum": 1467999.985, "minimum": 1467618.185, "name": "Y", "position": 1, "stddev": 79.92752961, "variance": 6388.409989 }, { "average": 0.03210573202, "count": 114724, "maximum": 21.722, "minimum": -1.118, "name": "Z", "position": 2, "stddev": 3.003947661, "variance": 9.023701549 }, { "average": 28.87362714, "count": 114724, "maximum": 52, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 8.596312253, "variance": 73.89658435 }, { "average": 1.500043583, "count": 114724, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000021773, "variance": 0.2500021773 }, { "average": 1.999991283, "count": 114724, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.002952384112, "variance": 8.716571947e-06 }, { "average": 0.4490254873, "count": 114724, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4973969798, "variance": 0.2474037556 }, { "average": 0, "count": 114724, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.02852934, "count": 114724, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.1763948724, "variance": 0.03111515102 }, { "average": -2.067876634, "count": 114724, "maximum": 40.0019989, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 26.12918712, "variance": 682.7344197 }, { "average": 0, "count": 114724, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 11, "count": 114724, "maximum": 11, "minimum": 11, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 452120.2033, "count": 114724, "maximum": 453457.7419, "minimum": 450259.066, "name": "GpsTime", "position": 12, "stddev": 797.8009922, "variance": 636486.4231 }, { "average": 0, "count": 114724, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114724, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114724, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114724, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114724, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246100.8154, 1467618.185, -1.118, 246999.9954, 1467999.985, 21.722 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246100.8154156829, 1467618.1853326254, -1.118 ], [ 246100.8154156829, 1467999.9853326252, -1.118 ], [ 246999.9954156829, 1467999.9853326252, 21.722 ], [ 246999.9954156829, 1467618.1853326254, 21.722 ], [ 246100.8154156829, 1467618.1853326254, -1.118 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T07:44:17+00:00", "end_time": "2011-09-19T06:50:59+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4667_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4667_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4667_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4667_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6566996, 13.26486655, -1.118, 144.6650264, 13.26839225, 21.722 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.65673264500802, 13.264866554604986, -1.118 ], [ 144.65669957651446, 13.268316086949431, -1.118 ], [ 144.66499348339318, 13.268392251431116, 21.722 ], [ 144.66502643508215, 13.264942698586987, 21.722 ], [ 144.65673264500802, 13.264866554604986, -1.118 ] ] ] }, "id": "20070218_guam_55pbq4667_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4667_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-19T07:44:17Z", "pc:count": 114724, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246454.6646, "count": 114724, "maximum": 246999.9954, "minimum": 246100.8154, "name": "X", "position": 0, "stddev": 257.1389936, "variance": 66120.46204 }, { "average": 1467859.114, "count": 114724, "maximum": 1467999.985, "minimum": 1467618.185, "name": "Y", "position": 1, "stddev": 79.92752961, "variance": 6388.409989 }, { "average": 0.03210573202, "count": 114724, "maximum": 21.722, "minimum": -1.118, "name": "Z", "position": 2, "stddev": 3.003947661, "variance": 9.023701549 }, { "average": 28.87362714, "count": 114724, "maximum": 52, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 8.596312253, "variance": 73.89658435 }, { "average": 1.500043583, "count": 114724, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000021773, "variance": 0.2500021773 }, { "average": 1.999991283, "count": 114724, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.002952384112, "variance": 8.716571947e-06 }, { "average": 0.4490254873, "count": 114724, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4973969798, "variance": 0.2474037556 }, { "average": 0, "count": 114724, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.02852934, "count": 114724, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.1763948724, "variance": 0.03111515102 }, { "average": -2.067876634, "count": 114724, "maximum": 40.0019989, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 26.12918712, "variance": 682.7344197 }, { "average": 0, "count": 114724, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 11, "count": 114724, "maximum": 11, "minimum": 11, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 452120.2033, "count": 114724, "maximum": 453457.7419, "minimum": 450259.066, "name": "GpsTime", "position": 12, "stddev": 797.8009922, "variance": 636486.4231 }, { "average": 0, "count": 114724, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114724, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114724, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114724, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 114724, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246100.8154, 1467618.185, -1.118, 246999.9954, 1467999.985, 21.722 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246100.8154156829, 1467618.1853326254, -1.118 ], [ 246100.8154156829, 1467999.9853326252, -1.118 ], [ 246999.9954156829, 1467999.9853326252, 21.722 ], [ 246999.9954156829, 1467618.1853326254, 21.722 ], [ 246100.8154156829, 1467618.1853326254, -1.118 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T07:44:17+00:00", "end_time": "2011-09-19T06:50:59+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": "20070218_guam_55pbq4486_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63573934834142, 13.430762305087148, -1.128 ], [ 144.63565080660644, 13.439796967520406, -1.128 ], [ 144.64488122529377, 13.439883500493577, 46.832 ], [ 144.64496942212676, 13.430848777822241, 46.832 ], [ 144.63573934834142, 13.430762305087148, -1.128 ] ] ] }, "bbox": [ 144.6356508, 13.43076231, -1.128, 144.6449694, 13.4398835, 46.832 ], "properties": { "datetime": "2011-09-21T00:35:11Z", "pc:count": 4135831, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244440.9281, "count": 4135831, "maximum": 244999.9999, "minimum": 243999.9799, "name": "X", "position": 0, "stddev": 279.7050276, "variance": 78234.90246 }, { "average": 1486552.164, "count": 4135831, "maximum": 1486999.997, "minimum": 1485999.997, "name": "Y", "position": 1, "stddev": 281.0574721, "variance": 78993.3026 }, { "average": 27.80736867, "count": 4135831, "maximum": 46.832, "minimum": -1.128, "name": "Z", "position": 2, "stddev": 4.530284108, "variance": 20.5234741 }, { "average": 22.51710914, "count": 4135831, "maximum": 151, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.30998295, "variance": 127.9157144 }, { "average": 1.499974975, "count": 4135831, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000598, "variance": 0.2500000598 }, { "average": 1.999954785, "count": 4135831, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.006724030044, "variance": 4.521258003e-05 }, { "average": 0.4965546223, "count": 4135831, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999881897, "variance": 0.2499881898 }, { "average": 0, "count": 4135831, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.14546605, "count": 4135831, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3628911102, "variance": 0.1316899579 }, { "average": -0.3524708852, "count": 4135831, "maximum": 45, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 24.97945426, "variance": 623.9731351 }, { "average": 0, "count": 4135831, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 17, "count": 4135831, "maximum": 17, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 260463.1089, "count": 4135831, "maximum": 600511.7584, "minimum": 106322.8622, "name": "GpsTime", "position": 12, "stddev": 182807.8792, "variance": 33418720690.0 }, { "average": 0, "count": 4135831, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4135831, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4135831, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4135831, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4135831, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243999.9799, 1485999.997, -1.128, 244999.9999, 1486999.997, 46.832 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243999.97986155428, 1485999.996960184, -1.128 ], [ 243999.97986155428, 1486999.996960184, -1.128 ], [ 244999.9998615543, 1486999.996960184, 46.832 ], [ 244999.9998615543, 1485999.996960184, 46.832 ], [ 243999.97986155428, 1485999.996960184, -1.128 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-21T00:35:11+00:00", "end_time": "2011-09-15T07:18:42+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4486_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4486_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4486_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4486_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6356508, 13.43076231, -1.128, 144.6449694, 13.4398835, 46.832 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63573934834142, 13.430762305087148, -1.128 ], [ 144.63565080660644, 13.439796967520406, -1.128 ], [ 144.64488122529377, 13.439883500493577, 46.832 ], [ 144.64496942212676, 13.430848777822241, 46.832 ], [ 144.63573934834142, 13.430762305087148, -1.128 ] ] ] }, "id": "20070218_guam_55pbq4486_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4486_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-21T00:35:11Z", "pc:count": 4135831, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244440.9281, "count": 4135831, "maximum": 244999.9999, "minimum": 243999.9799, "name": "X", "position": 0, "stddev": 279.7050276, "variance": 78234.90246 }, { "average": 1486552.164, "count": 4135831, "maximum": 1486999.997, "minimum": 1485999.997, "name": "Y", "position": 1, "stddev": 281.0574721, "variance": 78993.3026 }, { "average": 27.80736867, "count": 4135831, "maximum": 46.832, "minimum": -1.128, "name": "Z", "position": 2, "stddev": 4.530284108, "variance": 20.5234741 }, { "average": 22.51710914, "count": 4135831, "maximum": 151, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.30998295, "variance": 127.9157144 }, { "average": 1.499974975, "count": 4135831, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000598, "variance": 0.2500000598 }, { "average": 1.999954785, "count": 4135831, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.006724030044, "variance": 4.521258003e-05 }, { "average": 0.4965546223, "count": 4135831, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999881897, "variance": 0.2499881898 }, { "average": 0, "count": 4135831, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.14546605, "count": 4135831, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3628911102, "variance": 0.1316899579 }, { "average": -0.3524708852, "count": 4135831, "maximum": 45, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 24.97945426, "variance": 623.9731351 }, { "average": 0, "count": 4135831, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 17, "count": 4135831, "maximum": 17, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 260463.1089, "count": 4135831, "maximum": 600511.7584, "minimum": 106322.8622, "name": "GpsTime", "position": 12, "stddev": 182807.8792, "variance": 33418720690.0 }, { "average": 0, "count": 4135831, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4135831, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4135831, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4135831, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4135831, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243999.9799, 1485999.997, -1.128, 244999.9999, 1486999.997, 46.832 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243999.97986155428, 1485999.996960184, -1.128 ], [ 243999.97986155428, 1486999.996960184, -1.128 ], [ 244999.9998615543, 1486999.996960184, 46.832 ], [ 244999.9998615543, 1485999.996960184, 46.832 ], [ 243999.97986155428, 1485999.996960184, -1.128 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-21T00:35:11+00:00", "end_time": "2011-09-15T07:18:42+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": "20070218_guam_55pbq4388_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6262540426966, 13.456643916612267, -0.5875 ], [ 144.6262428531795, 13.45777920254696, -0.5875 ], [ 144.627966434314, 13.45779547096501, 13.3125 ], [ 144.6279776157251, 13.456660183609072, 13.3125 ], [ 144.6262540426966, 13.456643916612267, -0.5875 ] ] ] }, "bbox": [ 144.6262429, 13.45664392, -0.5875, 144.6279776, 13.45779547, 13.3125 ], "properties": { "datetime": "2011-09-20T02:23:36Z", "pc:count": 16727, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243070.4729, "count": 16727, "maximum": 243186.7198, "minimum": 242999.9998, "name": "X", "position": 0, "stddev": 47.66583546, "variance": 2272.03187 }, { "average": 1488956.634, "count": 16727, "maximum": 1488999.988, "minimum": 1488874.328, "name": "Y", "position": 1, "stddev": 31.5426225, "variance": 994.9370342 }, { "average": 6.324578675, "count": 16727, "maximum": 13.3125, "minimum": -0.5875, "name": "Z", "position": 2, "stddev": 3.936429172, "variance": 15.49547463 }, { "average": 32.30441801, "count": 16727, "maximum": 55, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 8.832132858, "variance": 78.00657082 }, { "average": 1.499970108, "count": 16727, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000149457, "variance": 0.2500149459 }, { "average": 1.999940216, "count": 16727, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.007731984443, "variance": 5.978358343e-05 }, { "average": 0.623423208, "count": 16727, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4845417916, "variance": 0.2347807478 }, { "average": 0, "count": 16727, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.174568064, "count": 16727, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4908745922, "variance": 0.2409578653 }, { "average": -0.8034731574, "count": 16727, "maximum": 25.99799919, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 19.55434584, "variance": 382.3724411 }, { "average": 0, "count": 16727, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 19, "count": 16727, "maximum": 19, "minimum": 19, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 520303.4098, "count": 16727, "maximum": 520616.9007, "minimum": 520100.5175, "name": "GpsTime", "position": 12, "stddev": 190.4231584, "variance": 36260.97926 }, { "average": 0, "count": 16727, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 16727, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 16727, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 16727, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 16727, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242999.9998, 1488874.328, -0.5875, 243186.7198, 1488999.988, 13.3125 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242999.99981414468, 1488874.3280286954, -0.5875 ], [ 242999.99981414468, 1488999.9880286956, -0.5875 ], [ 243186.71981414466, 1488999.9880286956, 13.3125 ], [ 243186.71981414466, 1488874.3280286954, 13.3125 ], [ 242999.99981414468, 1488874.3280286954, -0.5875 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T02:23:36+00:00", "end_time": "2011-09-20T02:15:00+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4388_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4388_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4388_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4388_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6262429, 13.45664392, -0.5875, 144.6279776, 13.45779547, 13.3125 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6262540426966, 13.456643916612267, -0.5875 ], [ 144.6262428531795, 13.45777920254696, -0.5875 ], [ 144.627966434314, 13.45779547096501, 13.3125 ], [ 144.6279776157251, 13.456660183609072, 13.3125 ], [ 144.6262540426966, 13.456643916612267, -0.5875 ] ] ] }, "id": "20070218_guam_55pbq4388_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4388_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-20T02:23:36Z", "pc:count": 16727, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243070.4729, "count": 16727, "maximum": 243186.7198, "minimum": 242999.9998, "name": "X", "position": 0, "stddev": 47.66583546, "variance": 2272.03187 }, { "average": 1488956.634, "count": 16727, "maximum": 1488999.988, "minimum": 1488874.328, "name": "Y", "position": 1, "stddev": 31.5426225, "variance": 994.9370342 }, { "average": 6.324578675, "count": 16727, "maximum": 13.3125, "minimum": -0.5875, "name": "Z", "position": 2, "stddev": 3.936429172, "variance": 15.49547463 }, { "average": 32.30441801, "count": 16727, "maximum": 55, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 8.832132858, "variance": 78.00657082 }, { "average": 1.499970108, "count": 16727, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000149457, "variance": 0.2500149459 }, { "average": 1.999940216, "count": 16727, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.007731984443, "variance": 5.978358343e-05 }, { "average": 0.623423208, "count": 16727, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4845417916, "variance": 0.2347807478 }, { "average": 0, "count": 16727, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.174568064, "count": 16727, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.4908745922, "variance": 0.2409578653 }, { "average": -0.8034731574, "count": 16727, "maximum": 25.99799919, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 19.55434584, "variance": 382.3724411 }, { "average": 0, "count": 16727, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 19, "count": 16727, "maximum": 19, "minimum": 19, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 520303.4098, "count": 16727, "maximum": 520616.9007, "minimum": 520100.5175, "name": "GpsTime", "position": 12, "stddev": 190.4231584, "variance": 36260.97926 }, { "average": 0, "count": 16727, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 16727, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 16727, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 16727, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 16727, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 242999.9998, 1488874.328, -0.5875, 243186.7198, 1488999.988, 13.3125 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 242999.99981414468, 1488874.3280286954, -0.5875 ], [ 242999.99981414468, 1488999.9880286956, -0.5875 ], [ 243186.71981414466, 1488999.9880286956, 13.3125 ], [ 243186.71981414466, 1488874.3280286954, 13.3125 ], [ 242999.99981414468, 1488874.3280286954, -0.5875 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T02:23:36+00:00", "end_time": "2011-09-20T02:15:00+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": "20070218_guam_55pbq4668_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.66061862246949, 13.268352132294112, -1.2745 ], [ 144.660532110679, 13.277387072633633, -1.2745 ], [ 144.66490715353387, 13.277427242638767, 46.1255 ], [ 144.66499350386502, 13.268392273998101, 46.1255 ], [ 144.66061862246949, 13.268352132294112, -1.2745 ] ] ] }, "bbox": [ 144.6605321, 13.26835213, -1.2745, 144.6649935, 13.27742724, 46.1255 ], "properties": { "datetime": "2011-09-19T08:33:27Z", "pc:count": 845763, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246834.5741, "count": 845763, "maximum": 246999.9977, "minimum": 246525.6977, "name": "X", "position": 0, "stddev": 121.5128577, "variance": 14765.37458 }, { "average": 1468498.075, "count": 845763, "maximum": 1468999.988, "minimum": 1467999.988, "name": "Y", "position": 1, "stddev": 237.901365, "variance": 56597.05949 }, { "average": 7.925677627, "count": 845763, "maximum": 46.1255, "minimum": -1.2745, "name": "Z", "position": 2, "stddev": 8.666317866, "variance": 75.10506535 }, { "average": 25.8147377, "count": 845763, "maximum": 119, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.49365425, "variance": 132.1040879 }, { "average": 1.499971032, "count": 845763, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000002948, "variance": 0.2500002948 }, { "average": 1.99997517, "count": 845763, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.004982877051, "variance": 2.482906371e-05 }, { "average": 0.5049204091, "count": 845763, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999760846, "variance": 0.2499760851 }, { "average": 0, "count": 845763, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.106793511, "count": 845763, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3280644065, "variance": 0.1076262548 }, { "average": 0.4058392755, "count": 845763, "maximum": 40.0019989, "minimum": -42, "name": "ScanAngleRank", "position": 9, "stddev": 25.75380795, "variance": 663.258624 }, { "average": 0, "count": 845763, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 11, "count": 845763, "maximum": 11, "minimum": 11, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 453653.1142, "count": 845763, "maximum": 456407.2194, "minimum": 450558.2742, "name": "GpsTime", "position": 12, "stddev": 1275.632371, "variance": 1627237.945 }, { "average": 0, "count": 845763, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 845763, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 845763, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 845763, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 845763, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246525.6977, 1467999.988, -1.2745, 246999.9977, 1468999.988, 46.1255 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246525.69765829723, 1467999.9878093745, -1.2745 ], [ 246525.69765829723, 1468999.9878093745, -1.2745 ], [ 246999.99765829722, 1468999.9878093745, 46.1255 ], [ 246999.99765829722, 1467999.9878093745, 46.1255 ], [ 246525.69765829723, 1467999.9878093745, -1.2745 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T08:33:27+00:00", "end_time": "2011-09-19T06:55:58+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4668_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4668_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4668_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4668_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6605321, 13.26835213, -1.2745, 144.6649935, 13.27742724, 46.1255 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.66061862246949, 13.268352132294112, -1.2745 ], [ 144.660532110679, 13.277387072633633, -1.2745 ], [ 144.66490715353387, 13.277427242638767, 46.1255 ], [ 144.66499350386502, 13.268392273998101, 46.1255 ], [ 144.66061862246949, 13.268352132294112, -1.2745 ] ] ] }, "id": "20070218_guam_55pbq4668_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4668_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-19T08:33:27Z", "pc:count": 845763, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246834.5741, "count": 845763, "maximum": 246999.9977, "minimum": 246525.6977, "name": "X", "position": 0, "stddev": 121.5128577, "variance": 14765.37458 }, { "average": 1468498.075, "count": 845763, "maximum": 1468999.988, "minimum": 1467999.988, "name": "Y", "position": 1, "stddev": 237.901365, "variance": 56597.05949 }, { "average": 7.925677627, "count": 845763, "maximum": 46.1255, "minimum": -1.2745, "name": "Z", "position": 2, "stddev": 8.666317866, "variance": 75.10506535 }, { "average": 25.8147377, "count": 845763, "maximum": 119, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.49365425, "variance": 132.1040879 }, { "average": 1.499971032, "count": 845763, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000002948, "variance": 0.2500002948 }, { "average": 1.99997517, "count": 845763, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.004982877051, "variance": 2.482906371e-05 }, { "average": 0.5049204091, "count": 845763, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999760846, "variance": 0.2499760851 }, { "average": 0, "count": 845763, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.106793511, "count": 845763, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3280644065, "variance": 0.1076262548 }, { "average": 0.4058392755, "count": 845763, "maximum": 40.0019989, "minimum": -42, "name": "ScanAngleRank", "position": 9, "stddev": 25.75380795, "variance": 663.258624 }, { "average": 0, "count": 845763, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 11, "count": 845763, "maximum": 11, "minimum": 11, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 453653.1142, "count": 845763, "maximum": 456407.2194, "minimum": 450558.2742, "name": "GpsTime", "position": 12, "stddev": 1275.632371, "variance": 1627237.945 }, { "average": 0, "count": 845763, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 845763, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 845763, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 845763, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 845763, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246525.6977, 1467999.988, -1.2745, 246999.9977, 1468999.988, 46.1255 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246525.69765829723, 1467999.9878093745, -1.2745 ], [ 246525.69765829723, 1468999.9878093745, -1.2745 ], [ 246999.99765829722, 1468999.9878093745, 46.1255 ], [ 246999.99765829722, 1467999.9878093745, 46.1255 ], [ 246525.69765829723, 1467999.9878093745, -1.2745 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T08:33:27+00:00", "end_time": "2011-09-19T06:55:58+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": "20070218_guam_55pbq4389_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.62684088238672, 13.457784918903103, -0.768 ], [ 144.62678570827052, 13.463382748498702, -0.768 ], [ 144.63541861032238, 13.463464126213827, 14.692 ], [ 144.63547358419032, 13.457866261575258, 14.692 ], [ 144.62684088238672, 13.457784918903103, -0.768 ] ] ] }, "bbox": [ 144.6267857, 13.45778492, -0.768, 144.6354736, 13.46346413, 14.692 ], "properties": { "datetime": "2011-09-20T02:32:54Z", "pc:count": 170092, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243600.2831, "count": 170092, "maximum": 243999.986, "minimum": 243064.786, "name": "X", "position": 0, "stddev": 248.9084202, "variance": 61955.40165 }, { "average": 1489279.371, "count": 170092, "maximum": 1489619.596, "minimum": 1488999.996, "name": "Y", "position": 1, "stddev": 173.2810774, "variance": 30026.3318 }, { "average": 7.843200762, "count": 170092, "maximum": 14.692, "minimum": -0.768, "name": "Z", "position": 2, "stddev": 3.623782698, "variance": 13.13180104 }, { "average": 30.63246361, "count": 170092, "maximum": 108, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.01542879, "variance": 100.3088139 }, { "average": 1.499976483, "count": 170092, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000014692, "variance": 0.2500014692 }, { "average": 1.999917692, "count": 170092, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.009072050871, "variance": 8.2302107e-05 }, { "average": 0.3928932578, "count": 170092, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4883948691, "variance": 0.2385295481 }, { "average": 0, "count": 170092, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.136355619, "count": 170092, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3545425004, "variance": 0.1257003846 }, { "average": -1.627004888, "count": 170092, "maximum": 37.9980011, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 24.7797349, "variance": 614.0352615 }, { "average": 0, "count": 170092, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 19, "count": 170092, "maximum": 19, "minimum": 19, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 520381.3121, "count": 170092, "maximum": 521174.7782, "minimum": 520102.1929, "name": "GpsTime", "position": 12, "stddev": 258.9519739, "variance": 67056.1248 }, { "average": 0, "count": 170092, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 170092, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 170092, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 170092, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 170092, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243064.786, 1488999.996, -0.768, 243999.986, 1489619.596, 14.692 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243064.7859672417, 1488999.9958182133, -0.768 ], [ 243064.7859672417, 1489619.5958182134, -0.768 ], [ 243999.98596724172, 1489619.5958182134, 14.692 ], [ 243999.98596724172, 1488999.9958182133, 14.692 ], [ 243064.7859672417, 1488999.9958182133, -0.768 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T02:32:54+00:00", "end_time": "2011-09-20T02:15:02+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4389_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4389_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4389_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4389_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6267857, 13.45778492, -0.768, 144.6354736, 13.46346413, 14.692 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.62684088238672, 13.457784918903103, -0.768 ], [ 144.62678570827052, 13.463382748498702, -0.768 ], [ 144.63541861032238, 13.463464126213827, 14.692 ], [ 144.63547358419032, 13.457866261575258, 14.692 ], [ 144.62684088238672, 13.457784918903103, -0.768 ] ] ] }, "id": "20070218_guam_55pbq4389_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4389_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-20T02:32:54Z", "pc:count": 170092, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 243600.2831, "count": 170092, "maximum": 243999.986, "minimum": 243064.786, "name": "X", "position": 0, "stddev": 248.9084202, "variance": 61955.40165 }, { "average": 1489279.371, "count": 170092, "maximum": 1489619.596, "minimum": 1488999.996, "name": "Y", "position": 1, "stddev": 173.2810774, "variance": 30026.3318 }, { "average": 7.843200762, "count": 170092, "maximum": 14.692, "minimum": -0.768, "name": "Z", "position": 2, "stddev": 3.623782698, "variance": 13.13180104 }, { "average": 30.63246361, "count": 170092, "maximum": 108, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.01542879, "variance": 100.3088139 }, { "average": 1.499976483, "count": 170092, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000014692, "variance": 0.2500014692 }, { "average": 1.999917692, "count": 170092, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.009072050871, "variance": 8.2302107e-05 }, { "average": 0.3928932578, "count": 170092, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4883948691, "variance": 0.2385295481 }, { "average": 0, "count": 170092, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.136355619, "count": 170092, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3545425004, "variance": 0.1257003846 }, { "average": -1.627004888, "count": 170092, "maximum": 37.9980011, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 24.7797349, "variance": 614.0352615 }, { "average": 0, "count": 170092, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 19, "count": 170092, "maximum": 19, "minimum": 19, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 520381.3121, "count": 170092, "maximum": 521174.7782, "minimum": 520102.1929, "name": "GpsTime", "position": 12, "stddev": 258.9519739, "variance": 67056.1248 }, { "average": 0, "count": 170092, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 170092, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 170092, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 170092, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 170092, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243064.786, 1488999.996, -0.768, 243999.986, 1489619.596, 14.692 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243064.7859672417, 1488999.9958182133, -0.768 ], [ 243064.7859672417, 1489619.5958182134, -0.768 ], [ 243999.98596724172, 1489619.5958182134, 14.692 ], [ 243999.98596724172, 1488999.9958182133, 14.692 ], [ 243064.7859672417, 1488999.9958182133, -0.768 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T02:32:54+00:00", "end_time": "2011-09-20T02:15:02+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": "20070218_guam_55pbq4463_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6387587134759, 13.229465219503282, -1.5215 ], [ 144.63873425409022, 13.232004367568335, -1.5215 ], [ 144.64130913387842, 13.232028163343513, -0.0215 ], [ 144.6413335666481, 13.229489010552173, -0.0215 ], [ 144.6387587134759, 13.229465219503282, -1.5215 ] ] ] }, "bbox": [ 144.6387343, 13.22946522, -1.5215, 144.6413336, 13.23202816, -0.0215 ], "properties": { "datetime": "2011-09-19T02:00:31Z", "pc:count": 2786, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244298.3967, "count": 2786, "maximum": 244394.4878, "minimum": 244115.2878, "name": "X", "position": 0, "stddev": 69.5586365, "variance": 4838.403911 }, { "average": 1463851.489, "count": 2786, "maximum": 1463999.617, "minimum": 1463718.577, "name": "Y", "position": 1, "stddev": 73.48442322, "variance": 5399.960455 }, { "average": -0.80172972, "count": 2786, "maximum": -0.0215, "minimum": -1.5215, "name": "Z", "position": 2, "stddev": 0.2415442932, "variance": 0.05834364559 }, { "average": 5.80258435, "count": 2786, "maximum": 29, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 2.93908359, "variance": 8.638212349 }, { "average": 1.5, "count": 2786, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000897586, "variance": 0.2500897666 }, { "average": 2, "count": 2786, "maximum": 2, "minimum": 2, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0.7056712132, "count": 2786, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4558222569, "variance": 0.2077739299 }, { "average": 0, "count": 2786, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1, "count": 2786, "maximum": 1, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 9.11138111, "count": 2786, "maximum": 37.0019989, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 20.64197018, "variance": 426.0909328 }, { "average": 0, "count": 2786, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 84, "count": 2786, "maximum": 84, "minimum": 84, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 432451.8015, "count": 2786, "maximum": 432831.6192, "minimum": 431851.2848, "name": "GpsTime", "position": 12, "stddev": 445.328302, "variance": 198317.2965 }, { "average": 0, "count": 2786, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2786, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2786, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2786, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2786, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244115.2878, 1463718.577, -1.5215, 244394.4878, 1463999.617, -0.0215 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244115.28783734873, 1463718.5767946504, -1.5215 ], [ 244115.28783734873, 1463999.6167946504, -1.5215 ], [ 244394.48783734874, 1463999.6167946504, -0.0215 ], [ 244394.48783734874, 1463718.5767946504, -0.0215 ], [ 244115.28783734873, 1463718.5767946504, -1.5215 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T02:00:31+00:00", "end_time": "2011-09-19T01:44:11+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4463_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4463_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4463_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4463_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6387343, 13.22946522, -1.5215, 144.6413336, 13.23202816, -0.0215 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6387587134759, 13.229465219503282, -1.5215 ], [ 144.63873425409022, 13.232004367568335, -1.5215 ], [ 144.64130913387842, 13.232028163343513, -0.0215 ], [ 144.6413335666481, 13.229489010552173, -0.0215 ], [ 144.6387587134759, 13.229465219503282, -1.5215 ] ] ] }, "id": "20070218_guam_55pbq4463_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4463_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-19T02:00:31Z", "pc:count": 2786, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244298.3967, "count": 2786, "maximum": 244394.4878, "minimum": 244115.2878, "name": "X", "position": 0, "stddev": 69.5586365, "variance": 4838.403911 }, { "average": 1463851.489, "count": 2786, "maximum": 1463999.617, "minimum": 1463718.577, "name": "Y", "position": 1, "stddev": 73.48442322, "variance": 5399.960455 }, { "average": -0.80172972, "count": 2786, "maximum": -0.0215, "minimum": -1.5215, "name": "Z", "position": 2, "stddev": 0.2415442932, "variance": 0.05834364559 }, { "average": 5.80258435, "count": 2786, "maximum": 29, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 2.93908359, "variance": 8.638212349 }, { "average": 1.5, "count": 2786, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000897586, "variance": 0.2500897666 }, { "average": 2, "count": 2786, "maximum": 2, "minimum": 2, "name": "NumberOfReturns", "position": 5, "stddev": 0, "variance": 0 }, { "average": 0.7056712132, "count": 2786, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4558222569, "variance": 0.2077739299 }, { "average": 0, "count": 2786, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1, "count": 2786, "maximum": 1, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0, "variance": 0 }, { "average": 9.11138111, "count": 2786, "maximum": 37.0019989, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 20.64197018, "variance": 426.0909328 }, { "average": 0, "count": 2786, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 84, "count": 2786, "maximum": 84, "minimum": 84, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 432451.8015, "count": 2786, "maximum": 432831.6192, "minimum": 431851.2848, "name": "GpsTime", "position": 12, "stddev": 445.328302, "variance": 198317.2965 }, { "average": 0, "count": 2786, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2786, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2786, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2786, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2786, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244115.2878, 1463718.577, -1.5215, 244394.4878, 1463999.617, -0.0215 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244115.28783734873, 1463718.5767946504, -1.5215 ], [ 244115.28783734873, 1463999.6167946504, -1.5215 ], [ 244394.48783734874, 1463999.6167946504, -0.0215 ], [ 244394.48783734874, 1463718.5767946504, -0.0215 ], [ 244115.28783734873, 1463718.5767946504, -1.5215 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T02:00:31+00:00", "end_time": "2011-09-19T01:44:11+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": "20070218_guam_55pbq4464_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.64415066073397, 13.234003096628538, -1.006 ], [ 144.64412267450214, 13.23691394778791, -1.006 ], [ 144.64684665276607, 13.236939071759753, 20.294 ], [ 144.64687460670643, 13.234028214881699, 20.294 ], [ 144.64415066073397, 13.234003096628538, -1.006 ] ] ] }, "bbox": [ 144.6441227, 13.2340031, -1.006, 144.6468746, 13.23693907, 20.294 ], "properties": { "datetime": "2011-09-19T02:19:56Z", "pc:count": 138797, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244898.8692, "count": 138797, "maximum": 244999.9913, "minimum": 244704.6313, "name": "X", "position": 0, "stddev": 66.74431407, "variance": 4454.803461 }, { "average": 1464354.614, "count": 138797, "maximum": 1464537.465, "minimum": 1464215.285, "name": "Y", "position": 1, "stddev": 74.60744156, "variance": 5566.270336 }, { "average": 4.472968205, "count": 138797, "maximum": 20.294, "minimum": -1.006, "name": "Z", "position": 2, "stddev": 4.664833117, "variance": 21.76066801 }, { "average": 22.48490962, "count": 138797, "maximum": 59, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.30520808, "variance": 127.8077296 }, { "average": 1.49990994, "count": 138797, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000017931, "variance": 0.2500017931 }, { "average": 1.999740628, "count": 138797, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01610298714, "variance": 0.0002593061949 }, { "average": 0.5681174665, "count": 138797, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4953400635, "variance": 0.2453617785 }, { "average": 0, "count": 138797, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.116601944, "count": 138797, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3357576176, "variance": 0.1127331778 }, { "average": 4.633180921, "count": 138797, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.79416622, "variance": 614.7506785 }, { "average": 0, "count": 138797, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 84, "count": 138797, "maximum": 84, "minimum": 84, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 432667.5774, "count": 138797, "maximum": 433996.1649, "minimum": 431841.434, "name": "GpsTime", "position": 12, "stddev": 586.1686688, "variance": 343593.7083 }, { "average": 0, "count": 138797, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 138797, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 138797, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 138797, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 138797, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244704.6313, 1464215.285, -1.006, 244999.9913, 1464537.465, 20.294 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244704.6313046739, 1464215.2848004226, -1.006 ], [ 244704.6313046739, 1464537.4648004228, -1.006 ], [ 244999.9913046739, 1464537.4648004228, 20.294 ], [ 244999.9913046739, 1464215.2848004226, 20.294 ], [ 244704.6313046739, 1464215.2848004226, -1.006 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T02:19:56+00:00", "end_time": "2011-09-19T01:44:01+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4464_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4464_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4464_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4464_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6441227, 13.2340031, -1.006, 144.6468746, 13.23693907, 20.294 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.64415066073397, 13.234003096628538, -1.006 ], [ 144.64412267450214, 13.23691394778791, -1.006 ], [ 144.64684665276607, 13.236939071759753, 20.294 ], [ 144.64687460670643, 13.234028214881699, 20.294 ], [ 144.64415066073397, 13.234003096628538, -1.006 ] ] ] }, "id": "20070218_guam_55pbq4464_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4464_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-19T02:19:56Z", "pc:count": 138797, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244898.8692, "count": 138797, "maximum": 244999.9913, "minimum": 244704.6313, "name": "X", "position": 0, "stddev": 66.74431407, "variance": 4454.803461 }, { "average": 1464354.614, "count": 138797, "maximum": 1464537.465, "minimum": 1464215.285, "name": "Y", "position": 1, "stddev": 74.60744156, "variance": 5566.270336 }, { "average": 4.472968205, "count": 138797, "maximum": 20.294, "minimum": -1.006, "name": "Z", "position": 2, "stddev": 4.664833117, "variance": 21.76066801 }, { "average": 22.48490962, "count": 138797, "maximum": 59, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.30520808, "variance": 127.8077296 }, { "average": 1.49990994, "count": 138797, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000017931, "variance": 0.2500017931 }, { "average": 1.999740628, "count": 138797, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01610298714, "variance": 0.0002593061949 }, { "average": 0.5681174665, "count": 138797, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4953400635, "variance": 0.2453617785 }, { "average": 0, "count": 138797, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.116601944, "count": 138797, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3357576176, "variance": 0.1127331778 }, { "average": 4.633180921, "count": 138797, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.79416622, "variance": 614.7506785 }, { "average": 0, "count": 138797, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 84, "count": 138797, "maximum": 84, "minimum": 84, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 432667.5774, "count": 138797, "maximum": 433996.1649, "minimum": 431841.434, "name": "GpsTime", "position": 12, "stddev": 586.1686688, "variance": 343593.7083 }, { "average": 0, "count": 138797, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 138797, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 138797, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 138797, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 138797, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 244704.6313, 1464215.285, -1.006, 244999.9913, 1464537.465, 20.294 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 244704.6313046739, 1464215.2848004226, -1.006 ], [ 244704.6313046739, 1464537.4648004228, -1.006 ], [ 244999.9913046739, 1464537.4648004228, 20.294 ], [ 244999.9913046739, 1464215.2848004226, 20.294 ], [ 244704.6313046739, 1464215.2848004226, -1.006 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T02:19:56+00:00", "end_time": "2011-09-19T01:44:01+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": "20070218_guam_55pbq4669_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6589869070003, 13.277372959410284, -1.1195 ], [ 144.65890027382255, 13.286407882699425, -1.1195 ], [ 144.66482077154905, 13.286462296754193, 64.8605 ], [ 144.6649071860824, 13.277427335156634, 64.8605 ], [ 144.6589869070003, 13.277372959410284, -1.1195 ] ] ] }, "bbox": [ 144.6589003, 13.27737296, -1.1195, 144.6649072, 13.2864623, 64.8605 ], "properties": { "datetime": "2011-09-20T08:01:46Z", "pc:count": 1534484, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246826.5152, "count": 1534484, "maximum": 247000.0013, "minimum": 246358.1813, "name": "X", "position": 0, "stddev": 120.0864134, "variance": 14420.74669 }, { "average": 1469616.593, "count": 1534484, "maximum": 1469999.998, "minimum": 1468999.998, "name": "Y", "position": 1, "stddev": 249.5331753, "variance": 62266.8056 }, { "average": 21.65049615, "count": 1534484, "maximum": 64.8605, "minimum": -1.1195, "name": "Z", "position": 2, "stddev": 15.56429957, "variance": 242.2474212 }, { "average": 29.31796421, "count": 1534484, "maximum": 80, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 13.49977509, "variance": 182.2439276 }, { "average": 1.499939393, "count": 1534484, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001592, "variance": 0.2500001592 }, { "average": 1.999888562, "count": 1534484, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01055584039, "variance": 0.0001114257663 }, { "average": 0.5016943807, "count": 1534484, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.499997292, "variance": 0.249997292 }, { "average": 0, "count": 1534484, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.092245341, "count": 1534484, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.311999009, "variance": 0.09734338159 }, { "average": 0.0765551918, "count": 1534484, "maximum": 40.0019989, "minimum": -40.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 24.96853598, "variance": 623.427789 }, { "average": 0, "count": 1534484, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 11.38687989, "count": 1534484, "maximum": 12, "minimum": 11, "name": "PointSourceId", "position": 11, "stddev": 0.487035928, "variance": 0.2372039951 }, { "average": 357612.2775, "count": 1534484, "maximum": 540906.8402, "minimum": 5110.162349, "name": "GpsTime", "position": 12, "stddev": 213112.4808, "variance": 45416929490.0 }, { "average": 0, "count": 1534484, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1534484, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1534484, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1534484, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1534484, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246358.1813, 1468999.998, -1.1195, 247000.0013, 1469999.998, 64.8605 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246358.1812824615, 1468999.998015414, -1.1195 ], [ 246358.1812824615, 1469999.998015414, -1.1195 ], [ 247000.0012824615, 1469999.998015414, 64.8605 ], [ 247000.0012824615, 1468999.998015414, 64.8605 ], [ 246358.1812824615, 1468999.998015414, -1.1195 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T08:01:46+00:00", "end_time": "2011-09-14T03:11:50+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4669_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4669_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4669_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4669_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6589003, 13.27737296, -1.1195, 144.6649072, 13.2864623, 64.8605 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6589869070003, 13.277372959410284, -1.1195 ], [ 144.65890027382255, 13.286407882699425, -1.1195 ], [ 144.66482077154905, 13.286462296754193, 64.8605 ], [ 144.6649071860824, 13.277427335156634, 64.8605 ], [ 144.6589869070003, 13.277372959410284, -1.1195 ] ] ] }, "id": "20070218_guam_55pbq4669_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4669_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-20T08:01:46Z", "pc:count": 1534484, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246826.5152, "count": 1534484, "maximum": 247000.0013, "minimum": 246358.1813, "name": "X", "position": 0, "stddev": 120.0864134, "variance": 14420.74669 }, { "average": 1469616.593, "count": 1534484, "maximum": 1469999.998, "minimum": 1468999.998, "name": "Y", "position": 1, "stddev": 249.5331753, "variance": 62266.8056 }, { "average": 21.65049615, "count": 1534484, "maximum": 64.8605, "minimum": -1.1195, "name": "Z", "position": 2, "stddev": 15.56429957, "variance": 242.2474212 }, { "average": 29.31796421, "count": 1534484, "maximum": 80, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 13.49977509, "variance": 182.2439276 }, { "average": 1.499939393, "count": 1534484, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001592, "variance": 0.2500001592 }, { "average": 1.999888562, "count": 1534484, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01055584039, "variance": 0.0001114257663 }, { "average": 0.5016943807, "count": 1534484, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.499997292, "variance": 0.249997292 }, { "average": 0, "count": 1534484, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.092245341, "count": 1534484, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.311999009, "variance": 0.09734338159 }, { "average": 0.0765551918, "count": 1534484, "maximum": 40.0019989, "minimum": -40.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 24.96853598, "variance": 623.427789 }, { "average": 0, "count": 1534484, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 11.38687989, "count": 1534484, "maximum": 12, "minimum": 11, "name": "PointSourceId", "position": 11, "stddev": 0.487035928, "variance": 0.2372039951 }, { "average": 357612.2775, "count": 1534484, "maximum": 540906.8402, "minimum": 5110.162349, "name": "GpsTime", "position": 12, "stddev": 213112.4808, "variance": 45416929490.0 }, { "average": 0, "count": 1534484, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1534484, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1534484, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1534484, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1534484, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246358.1813, 1468999.998, -1.1195, 247000.0013, 1469999.998, 64.8605 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246358.1812824615, 1468999.998015414, -1.1195 ], [ 246358.1812824615, 1469999.998015414, -1.1195 ], [ 247000.0012824615, 1469999.998015414, 64.8605 ], [ 247000.0012824615, 1468999.998015414, 64.8605 ], [ 246358.1812824615, 1468999.998015414, -1.1195 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T08:01:46+00:00", "end_time": "2011-09-14T03:11:50+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": "20070218_guam_55pbq4768_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.664993337574, 13.268392186245606, 0.8405 ], [ 144.6649069855097, 13.277427335584564, 0.8405 ], [ 144.6741314273503, 13.277511784662659, 174.7605 ], [ 144.6742174389783, 13.268476575824394, 174.7605 ], [ 144.664993337574, 13.268392186245606, 0.8405 ] ] ] }, "bbox": [ 144.664907, 13.26839219, 0.8405, 144.6742174, 13.27751178, 174.7605 ], "properties": { "datetime": "2011-09-19T08:28:06Z", "pc:count": 3901855, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 247543.5213, "count": 3901855, "maximum": 247999.9995, "minimum": 246999.9795, "name": "X", "position": 0, "stddev": 281.2803547, "variance": 79118.63794 }, { "average": 1468533.008, "count": 3901855, "maximum": 1468999.998, "minimum": 1467999.978, "name": "Y", "position": 1, "stddev": 282.0168285, "variance": 79533.49156 }, { "average": 57.10541609, "count": 3901855, "maximum": 174.7605, "minimum": 0.8405, "name": "Z", "position": 2, "stddev": 23.11275802, "variance": 534.1995832 }, { "average": 28.31664016, "count": 3901855, "maximum": 162, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 12.55511311, "variance": 157.6308653 }, { "average": 1.499987826, "count": 3901855, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000639, "variance": 0.2500000639 }, { "average": 1.999937466, "count": 3901855, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.007907620637, "variance": 6.253046414e-05 }, { "average": 0.4932510306, "count": 3901855, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999545134, "variance": 0.2499545155 }, { "average": 0, "count": 3901855, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.153051049, "count": 3901855, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3909456494, "variance": 0.1528385008 }, { "average": -0.391080368, "count": 3901855, "maximum": 40.0019989, "minimum": -40.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 25.35671295, "variance": 642.9628917 }, { "average": 0, "count": 3901855, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 11, "count": 3901855, "maximum": 11, "minimum": 11, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 365919.2143, "count": 3901855, "maximum": 456086.4724, "minimum": 5089.916562, "name": "GpsTime", "position": 12, "stddev": 172560.4346, "variance": 29777103600.0 }, { "average": 0, "count": 3901855, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3901855, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3901855, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3901855, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3901855, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246999.9795, 1467999.978, 0.8405, 247999.9995, 1468999.998, 174.7605 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246999.97954069066, 1467999.9782663935, 0.8405 ], [ 246999.97954069066, 1468999.9982663936, 0.8405 ], [ 247999.99954069068, 1468999.9982663936, 174.7605 ], [ 247999.99954069068, 1467999.9782663935, 174.7605 ], [ 246999.97954069066, 1467999.9782663935, 0.8405 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T08:28:06+00:00", "end_time": "2011-09-14T03:11:29+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4768_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4768_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4768_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4768_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.664907, 13.26839219, 0.8405, 144.6742174, 13.27751178, 174.7605 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.664993337574, 13.268392186245606, 0.8405 ], [ 144.6649069855097, 13.277427335584564, 0.8405 ], [ 144.6741314273503, 13.277511784662659, 174.7605 ], [ 144.6742174389783, 13.268476575824394, 174.7605 ], [ 144.664993337574, 13.268392186245606, 0.8405 ] ] ] }, "id": "20070218_guam_55pbq4768_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4768_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-19T08:28:06Z", "pc:count": 3901855, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 247543.5213, "count": 3901855, "maximum": 247999.9995, "minimum": 246999.9795, "name": "X", "position": 0, "stddev": 281.2803547, "variance": 79118.63794 }, { "average": 1468533.008, "count": 3901855, "maximum": 1468999.998, "minimum": 1467999.978, "name": "Y", "position": 1, "stddev": 282.0168285, "variance": 79533.49156 }, { "average": 57.10541609, "count": 3901855, "maximum": 174.7605, "minimum": 0.8405, "name": "Z", "position": 2, "stddev": 23.11275802, "variance": 534.1995832 }, { "average": 28.31664016, "count": 3901855, "maximum": 162, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 12.55511311, "variance": 157.6308653 }, { "average": 1.499987826, "count": 3901855, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000639, "variance": 0.2500000639 }, { "average": 1.999937466, "count": 3901855, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.007907620637, "variance": 6.253046414e-05 }, { "average": 0.4932510306, "count": 3901855, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999545134, "variance": 0.2499545155 }, { "average": 0, "count": 3901855, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.153051049, "count": 3901855, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3909456494, "variance": 0.1528385008 }, { "average": -0.391080368, "count": 3901855, "maximum": 40.0019989, "minimum": -40.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 25.35671295, "variance": 642.9628917 }, { "average": 0, "count": 3901855, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 11, "count": 3901855, "maximum": 11, "minimum": 11, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 365919.2143, "count": 3901855, "maximum": 456086.4724, "minimum": 5089.916562, "name": "GpsTime", "position": 12, "stddev": 172560.4346, "variance": 29777103600.0 }, { "average": 0, "count": 3901855, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3901855, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3901855, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3901855, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3901855, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246999.9795, 1467999.978, 0.8405, 247999.9995, 1468999.998, 174.7605 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246999.97954069066, 1467999.9782663935, 0.8405 ], [ 246999.97954069066, 1468999.9982663936, 0.8405 ], [ 247999.99954069068, 1468999.9982663936, 174.7605 ], [ 247999.99954069068, 1467999.9782663935, 174.7605 ], [ 246999.97954069066, 1467999.9782663935, 0.8405 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T08:28:06+00:00", "end_time": "2011-09-14T03:11:29+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": "20070218_guam_55pbq4966_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.68361204387233, 13.250529123463366, -0.4775 ], [ 144.68352686569844, 13.259525735176693, -0.4775 ], [ 144.6927507543688, 13.259609399085145, 45.6225 ], [ 144.69283559404914, 13.250612728601109, 45.6225 ], [ 144.68361204387233, 13.250529123463366, -0.4775 ] ] ] }, "bbox": [ 144.6835269, 13.25052912, -0.4775, 144.6928356, 13.2596094, 45.6225 ], "properties": { "datetime": "2011-09-20T08:27:01Z", "pc:count": 3284782, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 249525.0723, "count": 3284782, "maximum": 250000.0024, "minimum": 248999.9824, "name": "X", "position": 0, "stddev": 276.1461107, "variance": 76256.67445 }, { "average": 1466568.287, "count": 3284782, "maximum": 1467000, "minimum": 1466004.26, "name": "Y", "position": 1, "stddev": 269.4197213, "variance": 72586.98621 }, { "average": 7.980891175, "count": 3284782, "maximum": 45.6225, "minimum": -0.4775, "name": "Z", "position": 2, "stddev": 5.436139318, "variance": 29.55161068 }, { "average": 23.00807664, "count": 3284782, "maximum": 152, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 12.05324411, "variance": 145.2806935 }, { "average": 1.499919325, "count": 3284782, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000696, "variance": 0.2500000696 }, { "average": 1.999802118, "count": 3284782, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01406567228, "variance": 0.0001978431367 }, { "average": 0.5228821882, "count": 3284782, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4994762071, "variance": 0.2494764814 }, { "average": 0, "count": 3284782, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.074673144, "count": 3284782, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2768575477, "variance": 0.07665010173 }, { "average": 1.37201879, "count": 3284782, "maximum": 40.9980011, "minimum": -40.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.91374006, "variance": 620.6944436 }, { "average": 0, "count": 3284782, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 13.64548545, "count": 3284782, "maximum": 14, "minimum": 13, "name": "PointSourceId", "position": 11, "stddev": 0.4783660234, "variance": 0.2288340524 }, { "average": 388896.3862, "count": 3284782, "maximum": 542421.7894, "minimum": 5054.397435, "name": "GpsTime", "position": 12, "stddev": 208767.5855, "variance": 43583904770.0 }, { "average": 0, "count": 3284782, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3284782, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3284782, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3284782, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3284782, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 248999.9824, 1466004.26, -0.4775, 250000.0024, 1467000, 45.6225 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 248999.982380963, 1466004.2604519397, -0.4775 ], [ 248999.982380963, 1467000.0004519399, -0.4775 ], [ 250000.002380963, 1467000.0004519399, 45.6225 ], [ 250000.002380963, 1466004.2604519397, 45.6225 ], [ 248999.982380963, 1466004.2604519397, -0.4775 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T08:27:01+00:00", "end_time": "2011-09-14T03:10:54+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4966_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4966_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4966_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4966_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6835269, 13.25052912, -0.4775, 144.6928356, 13.2596094, 45.6225 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.68361204387233, 13.250529123463366, -0.4775 ], [ 144.68352686569844, 13.259525735176693, -0.4775 ], [ 144.6927507543688, 13.259609399085145, 45.6225 ], [ 144.69283559404914, 13.250612728601109, 45.6225 ], [ 144.68361204387233, 13.250529123463366, -0.4775 ] ] ] }, "id": "20070218_guam_55pbq4966_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4966_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-20T08:27:01Z", "pc:count": 3284782, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 249525.0723, "count": 3284782, "maximum": 250000.0024, "minimum": 248999.9824, "name": "X", "position": 0, "stddev": 276.1461107, "variance": 76256.67445 }, { "average": 1466568.287, "count": 3284782, "maximum": 1467000, "minimum": 1466004.26, "name": "Y", "position": 1, "stddev": 269.4197213, "variance": 72586.98621 }, { "average": 7.980891175, "count": 3284782, "maximum": 45.6225, "minimum": -0.4775, "name": "Z", "position": 2, "stddev": 5.436139318, "variance": 29.55161068 }, { "average": 23.00807664, "count": 3284782, "maximum": 152, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 12.05324411, "variance": 145.2806935 }, { "average": 1.499919325, "count": 3284782, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000696, "variance": 0.2500000696 }, { "average": 1.999802118, "count": 3284782, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01406567228, "variance": 0.0001978431367 }, { "average": 0.5228821882, "count": 3284782, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4994762071, "variance": 0.2494764814 }, { "average": 0, "count": 3284782, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.074673144, "count": 3284782, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2768575477, "variance": 0.07665010173 }, { "average": 1.37201879, "count": 3284782, "maximum": 40.9980011, "minimum": -40.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.91374006, "variance": 620.6944436 }, { "average": 0, "count": 3284782, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 13.64548545, "count": 3284782, "maximum": 14, "minimum": 13, "name": "PointSourceId", "position": 11, "stddev": 0.4783660234, "variance": 0.2288340524 }, { "average": 388896.3862, "count": 3284782, "maximum": 542421.7894, "minimum": 5054.397435, "name": "GpsTime", "position": 12, "stddev": 208767.5855, "variance": 43583904770.0 }, { "average": 0, "count": 3284782, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3284782, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3284782, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3284782, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3284782, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 248999.9824, 1466004.26, -0.4775, 250000.0024, 1467000, 45.6225 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 248999.982380963, 1466004.2604519397, -0.4775 ], [ 248999.982380963, 1467000.0004519399, -0.4775 ], [ 250000.002380963, 1467000.0004519399, 45.6225 ], [ 250000.002380963, 1466004.2604519397, 45.6225 ], [ 248999.982380963, 1466004.2604519397, -0.4775 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T08:27:01+00:00", "end_time": "2011-09-14T03:10:54+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": "20070218_guam_55pbq4867_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.67430334154864, 13.259441595725944, -0.5255 ], [ 144.674217393647, 13.268476811470505, -0.5255 ], [ 144.68344137454508, 13.26856086611607, 177.5745 ], [ 144.6835269822647, 13.259525591114313, 177.5745 ], [ 144.67430334154864, 13.259441595725944, -0.5255 ] ] ] }, "bbox": [ 144.6742174, 13.2594416, -0.5255, 144.683527, 13.26856087, 177.5745 ], "properties": { "datetime": "2011-09-19T06:07:50Z", "pc:count": 4690877, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 248492.284, "count": 4690877, "maximum": 248999.9949, "minimum": 247999.9949, "name": "X", "position": 0, "stddev": 273.4024404, "variance": 74748.89444 }, { "average": 1467524.794, "count": 4690877, "maximum": 1468000.004, "minimum": 1466999.984, "name": "Y", "position": 1, "stddev": 283.890734, "variance": 80593.94887 }, { "average": 31.288468, "count": 4690877, "maximum": 177.5745, "minimum": -0.5255, "name": "Z", "position": 2, "stddev": 23.01026169, "variance": 529.472143 }, { "average": 26.55346644, "count": 4690877, "maximum": 132, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 12.21339779, "variance": 149.1670856 }, { "average": 1.50094897, "count": 4690877, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.4999991528, "variance": 0.2499991528 }, { "average": 1.997639247, "count": 4690877, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.0485301961, "variance": 0.002355179934 }, { "average": 0.5079813434, "count": 4690877, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999363474, "variance": 0.2499363514 }, { "average": 0, "count": 4690877, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.098369239, "count": 4690877, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3210445393, "variance": 0.1030695962 }, { "average": 0.370129342, "count": 4690877, "maximum": 39, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.21271412, "variance": 635.6809533 }, { "average": 0, "count": 4690877, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 12.47023083, "count": 4690877, "maximum": 13, "minimum": 11, "name": "PointSourceId", "position": 11, "stddev": 0.8825435568, "variance": 0.7788831296 }, { "average": 342545.3789, "count": 4690877, "maximum": 447670.444, "minimum": 5071.233854, "name": "GpsTime", "position": 12, "stddev": 168872.4442, "variance": 28517902410.0 }, { "average": 0, "count": 4690877, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4690877, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4690877, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4690877, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4690877, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 247999.9949, 1466999.984, -0.5255, 248999.9949, 1468000.004, 177.5745 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 247999.99486968643, 1466999.9843913175, -0.5255 ], [ 247999.99486968643, 1468000.0043913175, -0.5255 ], [ 248999.99486968643, 1468000.0043913175, 177.5745 ], [ 248999.99486968643, 1466999.9843913175, 177.5745 ], [ 247999.99486968643, 1466999.9843913175, -0.5255 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T06:07:50+00:00", "end_time": "2011-09-14T03:11:11+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4867_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4867_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4867_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4867_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6742174, 13.2594416, -0.5255, 144.683527, 13.26856087, 177.5745 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.67430334154864, 13.259441595725944, -0.5255 ], [ 144.674217393647, 13.268476811470505, -0.5255 ], [ 144.68344137454508, 13.26856086611607, 177.5745 ], [ 144.6835269822647, 13.259525591114313, 177.5745 ], [ 144.67430334154864, 13.259441595725944, -0.5255 ] ] ] }, "id": "20070218_guam_55pbq4867_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4867_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-19T06:07:50Z", "pc:count": 4690877, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 248492.284, "count": 4690877, "maximum": 248999.9949, "minimum": 247999.9949, "name": "X", "position": 0, "stddev": 273.4024404, "variance": 74748.89444 }, { "average": 1467524.794, "count": 4690877, "maximum": 1468000.004, "minimum": 1466999.984, "name": "Y", "position": 1, "stddev": 283.890734, "variance": 80593.94887 }, { "average": 31.288468, "count": 4690877, "maximum": 177.5745, "minimum": -0.5255, "name": "Z", "position": 2, "stddev": 23.01026169, "variance": 529.472143 }, { "average": 26.55346644, "count": 4690877, "maximum": 132, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 12.21339779, "variance": 149.1670856 }, { "average": 1.50094897, "count": 4690877, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.4999991528, "variance": 0.2499991528 }, { "average": 1.997639247, "count": 4690877, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.0485301961, "variance": 0.002355179934 }, { "average": 0.5079813434, "count": 4690877, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999363474, "variance": 0.2499363514 }, { "average": 0, "count": 4690877, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.098369239, "count": 4690877, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3210445393, "variance": 0.1030695962 }, { "average": 0.370129342, "count": 4690877, "maximum": 39, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.21271412, "variance": 635.6809533 }, { "average": 0, "count": 4690877, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 12.47023083, "count": 4690877, "maximum": 13, "minimum": 11, "name": "PointSourceId", "position": 11, "stddev": 0.8825435568, "variance": 0.7788831296 }, { "average": 342545.3789, "count": 4690877, "maximum": 447670.444, "minimum": 5071.233854, "name": "GpsTime", "position": 12, "stddev": 168872.4442, "variance": 28517902410.0 }, { "average": 0, "count": 4690877, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4690877, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4690877, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4690877, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 4690877, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 247999.9949, 1466999.984, -0.5255, 248999.9949, 1468000.004, 177.5745 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 247999.99486968643, 1466999.9843913175, -0.5255 ], [ 247999.99486968643, 1468000.0043913175, -0.5255 ], [ 248999.99486968643, 1468000.0043913175, 177.5745 ], [ 248999.99486968643, 1466999.9843913175, 177.5745 ], [ 247999.99486968643, 1466999.9843913175, -0.5255 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-19T06:07:50+00:00", "end_time": "2011-09-14T03:11:11+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": "20070218_guam_55pbq5182_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.70069379183363, 13.395220001587274, 100.062 ], [ 144.70060791638932, 13.404255289367594, 100.062 ], [ 144.70983740488424, 13.404339223853961, 233.362 ], [ 144.70992293632364, 13.395303877472815, 233.362 ], [ 144.70069379183363, 13.395220001587274, 100.062 ] ] ] }, "bbox": [ 144.7006079, 13.39522, 100.062, 144.7099229, 13.40433922, 233.362 ], "properties": { "datetime": "2011-09-18T07:45:14Z", "pc:count": 3185044, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 251497.0906, "count": 3185044, "maximum": 251999.9989, "minimum": 250999.9789, "name": "X", "position": 0, "stddev": 287.8803016, "variance": 82875.06804 }, { "average": 1482492.598, "count": 3185044, "maximum": 1483000.003, "minimum": 1481999.983, "name": "Y", "position": 1, "stddev": 291.7904766, "variance": 85141.68225 }, { "average": 162.5137135, "count": 3185044, "maximum": 233.362, "minimum": 100.062, "name": "Z", "position": 2, "stddev": 23.15150871, "variance": 535.9923558 }, { "average": 39.8623435, "count": 3185044, "maximum": 104, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.9539648, "variance": 142.8972744 }, { "average": 1.499990581, "count": 3185044, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000784, "variance": 0.2500000784 }, { "average": 1.999948823, "count": 3185044, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.007153606367, "variance": 5.117408405e-05 }, { "average": 0.4967366228, "count": 3185044, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999894287, "variance": 0.2499894289 }, { "average": 0, "count": 3185044, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.163742165, "count": 3185044, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3812002672, "variance": 0.1453136437 }, { "average": -0.2768226437, "count": 3185044, "maximum": 39, "minimum": -40.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 24.77327893, "variance": 613.7153488 }, { "average": 0, "count": 3185044, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 34.30261686, "count": 3185044, "maximum": 36, "minimum": 30, "name": "PointSourceId", "position": 11, "stddev": 2.702441789, "variance": 7.303191621 }, { "average": 331527.8746, "count": 3185044, "maximum": 367114.4659, "minimum": 200085.6565, "name": "GpsTime", "position": 12, "stddev": 31049.52538, "variance": 964073026.2 }, { "average": 0, "count": 3185044, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3185044, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3185044, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3185044, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3185044, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 250999.9789, 1481999.983, 100.062, 251999.9989, 1483000.003, 233.362 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 250999.9789459979, 1481999.9829200453, 100.062 ], [ 250999.9789459979, 1483000.0029200453, 100.062 ], [ 251999.9989459979, 1483000.0029200453, 233.362 ], [ 251999.9989459979, 1481999.9829200453, 233.362 ], [ 250999.9789459979, 1481999.9829200453, 100.062 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-18T07:45:14+00:00", "end_time": "2011-09-16T09:21:25+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq5182_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq5182_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq5182_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq5182_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.7006079, 13.39522, 100.062, 144.7099229, 13.40433922, 233.362 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.70069379183363, 13.395220001587274, 100.062 ], [ 144.70060791638932, 13.404255289367594, 100.062 ], [ 144.70983740488424, 13.404339223853961, 233.362 ], [ 144.70992293632364, 13.395303877472815, 233.362 ], [ 144.70069379183363, 13.395220001587274, 100.062 ] ] ] }, "id": "20070218_guam_55pbq5182_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq5182_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-18T07:45:14Z", "pc:count": 3185044, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 251497.0906, "count": 3185044, "maximum": 251999.9989, "minimum": 250999.9789, "name": "X", "position": 0, "stddev": 287.8803016, "variance": 82875.06804 }, { "average": 1482492.598, "count": 3185044, "maximum": 1483000.003, "minimum": 1481999.983, "name": "Y", "position": 1, "stddev": 291.7904766, "variance": 85141.68225 }, { "average": 162.5137135, "count": 3185044, "maximum": 233.362, "minimum": 100.062, "name": "Z", "position": 2, "stddev": 23.15150871, "variance": 535.9923558 }, { "average": 39.8623435, "count": 3185044, "maximum": 104, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.9539648, "variance": 142.8972744 }, { "average": 1.499990581, "count": 3185044, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000784, "variance": 0.2500000784 }, { "average": 1.999948823, "count": 3185044, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.007153606367, "variance": 5.117408405e-05 }, { "average": 0.4967366228, "count": 3185044, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999894287, "variance": 0.2499894289 }, { "average": 0, "count": 3185044, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.163742165, "count": 3185044, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3812002672, "variance": 0.1453136437 }, { "average": -0.2768226437, "count": 3185044, "maximum": 39, "minimum": -40.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 24.77327893, "variance": 613.7153488 }, { "average": 0, "count": 3185044, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 34.30261686, "count": 3185044, "maximum": 36, "minimum": 30, "name": "PointSourceId", "position": 11, "stddev": 2.702441789, "variance": 7.303191621 }, { "average": 331527.8746, "count": 3185044, "maximum": 367114.4659, "minimum": 200085.6565, "name": "GpsTime", "position": 12, "stddev": 31049.52538, "variance": 964073026.2 }, { "average": 0, "count": 3185044, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3185044, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3185044, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3185044, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 3185044, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 250999.9789, 1481999.983, 100.062, 251999.9989, 1483000.003, 233.362 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 250999.9789459979, 1481999.9829200453, 100.062 ], [ 250999.9789459979, 1483000.0029200453, 100.062 ], [ 251999.9989459979, 1483000.0029200453, 233.362 ], [ 251999.9989459979, 1481999.9829200453, 233.362 ], [ 250999.9789459979, 1481999.9829200453, 100.062 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-18T07:45:14+00:00", "end_time": "2011-09-16T09:21:25+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": "20070218_guam_55pbq4988_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.68171588930954, 13.449261161066747, -0.0605 ], [ 144.6816289444065, 13.458296108383148, -0.0605 ], [ 144.69086019085682, 13.458381069390468, 68.0595 ], [ 144.69094679018644, 13.449346062927416, 68.0595 ], [ 144.68171588930954, 13.449261161066747, -0.0605 ] ] ] }, "bbox": [ 144.6816289, 13.44926116, -0.0605, 144.6909468, 13.45838107, 68.0595 ], "properties": { "datetime": "2011-09-16T08:37:02Z", "pc:count": 2674750, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 249513.0024, "count": 2674750, "maximum": 249999.9958, "minimum": 248999.9958, "name": "X", "position": 0, "stddev": 280.8504229, "variance": 78876.96002 }, { "average": 1488500.809, "count": 2674750, "maximum": 1488999.992, "minimum": 1487999.992, "name": "Y", "position": 1, "stddev": 286.146788, "variance": 81879.9843 }, { "average": 10.27990099, "count": 2674750, "maximum": 68.0595, "minimum": -0.0605, "name": "Z", "position": 2, "stddev": 8.808477391, "variance": 77.58927395 }, { "average": 20.33924741, "count": 2674750, "maximum": 89, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.39572824, "variance": 108.0711656 }, { "average": 1.49991588, "count": 2674750, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000864, "variance": 0.2500000864 }, { "average": 1.999778671, "count": 2674750, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01487548965, "variance": 0.0002212801923 }, { "average": 0.5054692962, "count": 2674750, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999701794, "variance": 0.2499701803 }, { "average": 0, "count": 2674750, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.084181699, "count": 2674750, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2936218353, "variance": 0.08621378219 }, { "average": 0.2867523509, "count": 2674750, "maximum": 39, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.2988565, "variance": 640.0321404 }, { "average": 0, "count": 2674750, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 32, "count": 2674750, "maximum": 32, "minimum": 32, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 188905.2063, "count": 2674750, "maximum": 197422.2739, "minimum": 174729.8937, "name": "GpsTime", "position": 12, "stddev": 3225.313922, "variance": 10402649.9 }, { "average": 0, "count": 2674750, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2674750, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2674750, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2674750, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2674750, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 248999.9958, 1487999.992, -0.0605, 249999.9958, 1488999.992, 68.0595 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 248999.99581572862, 1487999.9923670455, -0.0605 ], [ 248999.99581572862, 1488999.9923670455, -0.0605 ], [ 249999.99581572862, 1488999.9923670455, 68.0595 ], [ 249999.99581572862, 1487999.9923670455, 68.0595 ], [ 248999.99581572862, 1487999.9923670455, -0.0605 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T08:37:02+00:00", "end_time": "2011-09-16T02:18:49+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4988_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4988_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4988_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4988_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6816289, 13.44926116, -0.0605, 144.6909468, 13.45838107, 68.0595 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.68171588930954, 13.449261161066747, -0.0605 ], [ 144.6816289444065, 13.458296108383148, -0.0605 ], [ 144.69086019085682, 13.458381069390468, 68.0595 ], [ 144.69094679018644, 13.449346062927416, 68.0595 ], [ 144.68171588930954, 13.449261161066747, -0.0605 ] ] ] }, "id": "20070218_guam_55pbq4988_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4988_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-16T08:37:02Z", "pc:count": 2674750, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 249513.0024, "count": 2674750, "maximum": 249999.9958, "minimum": 248999.9958, "name": "X", "position": 0, "stddev": 280.8504229, "variance": 78876.96002 }, { "average": 1488500.809, "count": 2674750, "maximum": 1488999.992, "minimum": 1487999.992, "name": "Y", "position": 1, "stddev": 286.146788, "variance": 81879.9843 }, { "average": 10.27990099, "count": 2674750, "maximum": 68.0595, "minimum": -0.0605, "name": "Z", "position": 2, "stddev": 8.808477391, "variance": 77.58927395 }, { "average": 20.33924741, "count": 2674750, "maximum": 89, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.39572824, "variance": 108.0711656 }, { "average": 1.49991588, "count": 2674750, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000864, "variance": 0.2500000864 }, { "average": 1.999778671, "count": 2674750, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01487548965, "variance": 0.0002212801923 }, { "average": 0.5054692962, "count": 2674750, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999701794, "variance": 0.2499701803 }, { "average": 0, "count": 2674750, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.084181699, "count": 2674750, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.2936218353, "variance": 0.08621378219 }, { "average": 0.2867523509, "count": 2674750, "maximum": 39, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.2988565, "variance": 640.0321404 }, { "average": 0, "count": 2674750, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 32, "count": 2674750, "maximum": 32, "minimum": 32, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 188905.2063, "count": 2674750, "maximum": 197422.2739, "minimum": 174729.8937, "name": "GpsTime", "position": 12, "stddev": 3225.313922, "variance": 10402649.9 }, { "average": 0, "count": 2674750, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2674750, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2674750, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2674750, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2674750, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 248999.9958, 1487999.992, -0.0605, 249999.9958, 1488999.992, 68.0595 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 248999.99581572862, 1487999.9923670455, -0.0605 ], [ 248999.99581572862, 1488999.9923670455, -0.0605 ], [ 249999.99581572862, 1488999.9923670455, 68.0595 ], [ 249999.99581572862, 1487999.9923670455, 68.0595 ], [ 248999.99581572862, 1487999.9923670455, -0.0605 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-16T08:37:02+00:00", "end_time": "2011-09-16T02:18:49+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": "20070218_guam_55pbq5086_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.69111969200696, 13.431276048098933, 25.376 ], [ 144.69103321995638, 13.440311068536321, 25.376 ], [ 144.70026402367787, 13.440395575219865, 172.976 ], [ 144.70035015066233, 13.431360495889736, 172.976 ], [ 144.69111969200696, 13.431276048098933, 25.376 ] ] ] }, "bbox": [ 144.6910332, 13.43127605, 25.376, 144.7003502, 13.44039558, 172.976 ], "properties": { "datetime": "2011-09-15T01:29:53Z", "pc:count": 2887604, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 250503.345, "count": 2887604, "maximum": 251000.0044, "minimum": 249999.9844, "name": "X", "position": 0, "stddev": 288.3643704, "variance": 83154.01012 }, { "average": 1486496.691, "count": 2887604, "maximum": 1486999.995, "minimum": 1485999.995, "name": "Y", "position": 1, "stddev": 289.2410038, "variance": 83660.35827 }, { "average": 97.29332521, "count": 2887604, "maximum": 172.976, "minimum": 25.376, "name": "Z", "position": 2, "stddev": 25.05785756, "variance": 627.8962253 }, { "average": 27.79951891, "count": 2887604, "maximum": 61, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.9407455, "variance": 119.6999122 }, { "average": 1.49998684, "count": 2887604, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000864, "variance": 0.2500000864 }, { "average": 1.999949093, "count": 2887604, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.007134751814, "variance": 5.090468345e-05 }, { "average": 0.5044462468, "count": 2887604, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999803171, "variance": 0.2499803175 }, { "average": 0, "count": 2887604, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.104139279, "count": 2887604, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3240737169, "variance": 0.105023774 }, { "average": 0.1420105327, "count": 2887604, "maximum": 40.9980011, "minimum": -40.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.90490634, "variance": 620.2543596 }, { "average": 0, "count": 2887604, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 31, "count": 2887604, "maximum": 31, "minimum": 31, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 57801.74537, "count": 2887604, "maximum": 85393.22989, "minimum": 22823.72319, "name": "GpsTime", "position": 12, "stddev": 26459.83181, "variance": 700122699.2 }, { "average": 0, "count": 2887604, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2887604, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2887604, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2887604, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2887604, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 249999.9844, 1485999.995, 25.376, 251000.0044, 1486999.995, 172.976 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 249999.98436247802, 1485999.9945841683, 25.376 ], [ 249999.98436247802, 1486999.9945841683, 25.376 ], [ 251000.00436247804, 1486999.9945841683, 172.976 ], [ 251000.00436247804, 1485999.9945841683, 172.976 ], [ 249999.98436247802, 1485999.9945841683, 25.376 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-15T01:29:53+00:00", "end_time": "2011-09-14T08:07:03+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq5086_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq5086_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq5086_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq5086_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6910332, 13.43127605, 25.376, 144.7003502, 13.44039558, 172.976 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.69111969200696, 13.431276048098933, 25.376 ], [ 144.69103321995638, 13.440311068536321, 25.376 ], [ 144.70026402367787, 13.440395575219865, 172.976 ], [ 144.70035015066233, 13.431360495889736, 172.976 ], [ 144.69111969200696, 13.431276048098933, 25.376 ] ] ] }, "id": "20070218_guam_55pbq5086_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq5086_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-15T01:29:53Z", "pc:count": 2887604, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 250503.345, "count": 2887604, "maximum": 251000.0044, "minimum": 249999.9844, "name": "X", "position": 0, "stddev": 288.3643704, "variance": 83154.01012 }, { "average": 1486496.691, "count": 2887604, "maximum": 1486999.995, "minimum": 1485999.995, "name": "Y", "position": 1, "stddev": 289.2410038, "variance": 83660.35827 }, { "average": 97.29332521, "count": 2887604, "maximum": 172.976, "minimum": 25.376, "name": "Z", "position": 2, "stddev": 25.05785756, "variance": 627.8962253 }, { "average": 27.79951891, "count": 2887604, "maximum": 61, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.9407455, "variance": 119.6999122 }, { "average": 1.49998684, "count": 2887604, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000864, "variance": 0.2500000864 }, { "average": 1.999949093, "count": 2887604, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.007134751814, "variance": 5.090468345e-05 }, { "average": 0.5044462468, "count": 2887604, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999803171, "variance": 0.2499803175 }, { "average": 0, "count": 2887604, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.104139279, "count": 2887604, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3240737169, "variance": 0.105023774 }, { "average": 0.1420105327, "count": 2887604, "maximum": 40.9980011, "minimum": -40.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.90490634, "variance": 620.2543596 }, { "average": 0, "count": 2887604, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 31, "count": 2887604, "maximum": 31, "minimum": 31, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 57801.74537, "count": 2887604, "maximum": 85393.22989, "minimum": 22823.72319, "name": "GpsTime", "position": 12, "stddev": 26459.83181, "variance": 700122699.2 }, { "average": 0, "count": 2887604, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2887604, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2887604, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2887604, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2887604, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 249999.9844, 1485999.995, 25.376, 251000.0044, 1486999.995, 172.976 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 249999.98436247802, 1485999.9945841683, 25.376 ], [ 249999.98436247802, 1486999.9945841683, 25.376 ], [ 251000.00436247804, 1486999.9945841683, 172.976 ], [ 251000.00436247804, 1485999.9945841683, 172.976 ], [ 249999.98436247802, 1485999.9945841683, 25.376 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-15T01:29:53+00:00", "end_time": "2011-09-14T08:07:03+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": "20070218_guam_55pbq4487_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63565080811418, 13.439796889654035, -0.609 ], [ 144.6356155539286, 13.443392321967247, -0.609 ], [ 144.6448461099407, 13.44347887891417, 43.071 ], [ 144.6448812267986, 13.439883422626659, 43.071 ], [ 144.63565080811418, 13.439796889654035, -0.609 ] ] ] }, "bbox": [ 144.6356156, 13.43979689, -0.609, 144.6448812, 13.44347888, 43.071 ], "properties": { "datetime": "2011-09-21T00:35:11Z", "pc:count": 1138071, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244499.6589, "count": 1138071, "maximum": 244999.9999, "minimum": 243999.9799, "name": "X", "position": 0, "stddev": 286.5483483, "variance": 82109.95591 }, { "average": 1487124.993, "count": 1138071, "maximum": 1487397.948, "minimum": 1486999.988, "name": "Y", "position": 1, "stddev": 81.28522754, "variance": 6607.288216 }, { "average": 20.32423012, "count": 1138071, "maximum": 43.071, "minimum": -0.609, "name": "Z", "position": 2, "stddev": 7.770106661, "variance": 60.37455752 }, { "average": 21.94775458, "count": 1138071, "maximum": 96, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.29746609, "variance": 127.6327401 }, { "average": 1.4999732, "count": 1138071, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.500000219, "variance": 0.250000219 }, { "average": 1.999963095, "count": 1138071, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.00607480223, "variance": 3.690322213e-05 }, { "average": 0.5015231914, "count": 1138071, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999978996, "variance": 0.2499978996 }, { "average": 0, "count": 1138071, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.110824369, "count": 1138071, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.32703423, "variance": 0.1069513876 }, { "average": 0.1096313317, "count": 1138071, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.69137331, "variance": 609.6639158 }, { "average": 0, "count": 1138071, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 17, "count": 1138071, "maximum": 17, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 317019.451, "count": 1138071, "maximum": 600511.7637, "minimum": 106318.8627, "name": "GpsTime", "position": 12, "stddev": 229911.0338, "variance": 52859083480.0 }, { "average": 0, "count": 1138071, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1138071, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1138071, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1138071, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1138071, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243999.9799, 1486999.988, -0.609, 244999.9999, 1487397.948, 43.071 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243999.97994219154, 1486999.9883407815, -0.609 ], [ 243999.97994219154, 1487397.9483407815, -0.609 ], [ 244999.99994219156, 1487397.9483407815, 43.071 ], [ 244999.99994219156, 1486999.9883407815, 43.071 ], [ 243999.97994219154, 1486999.9883407815, -0.609 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-21T00:35:11+00:00", "end_time": "2011-09-15T07:18:38+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4487_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4487_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4487_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4487_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6356156, 13.43979689, -0.609, 144.6448812, 13.44347888, 43.071 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.63565080811418, 13.439796889654035, -0.609 ], [ 144.6356155539286, 13.443392321967247, -0.609 ], [ 144.6448461099407, 13.44347887891417, 43.071 ], [ 144.6448812267986, 13.439883422626659, 43.071 ], [ 144.63565080811418, 13.439796889654035, -0.609 ] ] ] }, "id": "20070218_guam_55pbq4487_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4487_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-21T00:35:11Z", "pc:count": 1138071, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244499.6589, "count": 1138071, "maximum": 244999.9999, "minimum": 243999.9799, "name": "X", "position": 0, "stddev": 286.5483483, "variance": 82109.95591 }, { "average": 1487124.993, "count": 1138071, "maximum": 1487397.948, "minimum": 1486999.988, "name": "Y", "position": 1, "stddev": 81.28522754, "variance": 6607.288216 }, { "average": 20.32423012, "count": 1138071, "maximum": 43.071, "minimum": -0.609, "name": "Z", "position": 2, "stddev": 7.770106661, "variance": 60.37455752 }, { "average": 21.94775458, "count": 1138071, "maximum": 96, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.29746609, "variance": 127.6327401 }, { "average": 1.4999732, "count": 1138071, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.500000219, "variance": 0.250000219 }, { "average": 1.999963095, "count": 1138071, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.00607480223, "variance": 3.690322213e-05 }, { "average": 0.5015231914, "count": 1138071, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4999978996, "variance": 0.2499978996 }, { "average": 0, "count": 1138071, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.110824369, "count": 1138071, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.32703423, "variance": 0.1069513876 }, { "average": 0.1096313317, "count": 1138071, "maximum": 37.9980011, "minimum": -37.9980011, "name": "ScanAngleRank", "position": 9, "stddev": 24.69137331, "variance": 609.6639158 }, { "average": 0, "count": 1138071, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 17, "count": 1138071, "maximum": 17, "minimum": 17, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 317019.451, "count": 1138071, "maximum": 600511.7637, "minimum": 106318.8627, "name": "GpsTime", "position": 12, "stddev": 229911.0338, "variance": 52859083480.0 }, { "average": 0, "count": 1138071, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1138071, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1138071, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1138071, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1138071, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243999.9799, 1486999.988, -0.609, 244999.9999, 1487397.948, 43.071 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243999.97994219154, 1486999.9883407815, -0.609 ], [ 243999.97994219154, 1487397.9483407815, -0.609 ], [ 244999.99994219156, 1487397.9483407815, 43.071 ], [ 244999.99994219156, 1486999.9883407815, 43.071 ], [ 243999.97994219154, 1486999.9883407815, -0.609 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-21T00:35:11+00:00", "end_time": "2011-09-15T07:18:38+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": "20070218_guam_55pbq4670_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.65650556147213, 13.286385800420053, -1.0755 ], [ 144.65641877550522, 13.295420701190759, -1.0755 ], [ 144.664734265002, 13.29549721724148, 99.5445 ], [ 144.66482074366195, 13.28646226263824, 99.5445 ], [ 144.65650556147213, 13.286385800420053, -1.0755 ] ] ] }, "bbox": [ 144.6564188, 13.2863858, -1.0755, 144.6648207, 13.29549722, 99.5445 ], "properties": { "datetime": "2011-09-20T08:01:47Z", "pc:count": 2626644, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246583.442, "count": 2626644, "maximum": 246999.9982, "minimum": 246098.5782, "name": "X", "position": 0, "stddev": 224.475922, "variance": 50389.43954 }, { "average": 1470476.069, "count": 2626644, "maximum": 1470999.994, "minimum": 1469999.994, "name": "Y", "position": 1, "stddev": 278.1908278, "variance": 77390.13665 }, { "average": 35.23785271, "count": 2626644, "maximum": 99.5445, "minimum": -1.0755, "name": "Z", "position": 2, "stddev": 22.68991148, "variance": 514.832083 }, { "average": 28.3320351, "count": 2626644, "maximum": 143, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 12.34958069, "variance": 152.5121433 }, { "average": 1.499970304, "count": 2626644, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000943, "variance": 0.2500000943 }, { "average": 1.999873222, "count": 2626644, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01125885072, "variance": 0.0001267617194 }, { "average": 0.5376259592, "count": 2626644, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4985823722, "variance": 0.2485843818 }, { "average": 0, "count": 2626644, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.142755547, "count": 2626644, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3705612878, "variance": 0.137315668 }, { "average": 2.307508536, "count": 2626644, "maximum": 40.0019989, "minimum": -40.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 25.06845274, "variance": 628.4273226 }, { "average": 0, "count": 2626644, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 12, "count": 2626644, "maximum": 12, "minimum": 12, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 442175.611, "count": 2626644, "maximum": 540907.2856, "minimum": 5118.383039, "name": "GpsTime", "position": 12, "stddev": 197032.733, "variance": 38821897880.0 }, { "average": 0, "count": 2626644, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2626644, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2626644, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2626644, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2626644, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246098.5782, 1469999.994, -1.0755, 246999.9982, 1470999.994, 99.5445 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246098.57822421563, 1469999.9942680805, -1.0755 ], [ 246098.57822421563, 1470999.9942680805, -1.0755 ], [ 246999.9982242156, 1470999.9942680805, 99.5445 ], [ 246999.9982242156, 1469999.9942680805, 99.5445 ], [ 246098.57822421563, 1469999.9942680805, -1.0755 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T08:01:47+00:00", "end_time": "2011-09-14T03:11:58+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4670_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4670_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4670_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4670_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6564188, 13.2863858, -1.0755, 144.6648207, 13.29549722, 99.5445 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.65650556147213, 13.286385800420053, -1.0755 ], [ 144.65641877550522, 13.295420701190759, -1.0755 ], [ 144.664734265002, 13.29549721724148, 99.5445 ], [ 144.66482074366195, 13.28646226263824, 99.5445 ], [ 144.65650556147213, 13.286385800420053, -1.0755 ] ] ] }, "id": "20070218_guam_55pbq4670_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4670_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-20T08:01:47Z", "pc:count": 2626644, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 246583.442, "count": 2626644, "maximum": 246999.9982, "minimum": 246098.5782, "name": "X", "position": 0, "stddev": 224.475922, "variance": 50389.43954 }, { "average": 1470476.069, "count": 2626644, "maximum": 1470999.994, "minimum": 1469999.994, "name": "Y", "position": 1, "stddev": 278.1908278, "variance": 77390.13665 }, { "average": 35.23785271, "count": 2626644, "maximum": 99.5445, "minimum": -1.0755, "name": "Z", "position": 2, "stddev": 22.68991148, "variance": 514.832083 }, { "average": 28.3320351, "count": 2626644, "maximum": 143, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 12.34958069, "variance": 152.5121433 }, { "average": 1.499970304, "count": 2626644, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000000943, "variance": 0.2500000943 }, { "average": 1.999873222, "count": 2626644, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01125885072, "variance": 0.0001267617194 }, { "average": 0.5376259592, "count": 2626644, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4985823722, "variance": 0.2485843818 }, { "average": 0, "count": 2626644, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.142755547, "count": 2626644, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3705612878, "variance": 0.137315668 }, { "average": 2.307508536, "count": 2626644, "maximum": 40.0019989, "minimum": -40.0019989, "name": "ScanAngleRank", "position": 9, "stddev": 25.06845274, "variance": 628.4273226 }, { "average": 0, "count": 2626644, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 12, "count": 2626644, "maximum": 12, "minimum": 12, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 442175.611, "count": 2626644, "maximum": 540907.2856, "minimum": 5118.383039, "name": "GpsTime", "position": 12, "stddev": 197032.733, "variance": 38821897880.0 }, { "average": 0, "count": 2626644, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2626644, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2626644, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2626644, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 2626644, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 246098.5782, 1469999.994, -1.0755, 246999.9982, 1470999.994, 99.5445 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 246098.57822421563, 1469999.9942680805, -1.0755 ], [ 246098.57822421563, 1470999.9942680805, -1.0755 ], [ 246999.9982242156, 1470999.9942680805, 99.5445 ], [ 246999.9982242156, 1469999.9942680805, 99.5445 ], [ 246098.57822421563, 1469999.9942680805, -1.0755 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T08:01:47+00:00", "end_time": "2011-09-14T03:11:58+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": "20070218_guam_55pbq4489_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6354276170855, 13.462556350556317, -0.7475 ], [ 144.63540577481524, 13.464779956252297, -0.7475 ], [ 144.64463659468694, 13.464866650637902, 14.5525 ], [ 144.64465835187906, 13.462643030111563, 14.5525 ], [ 144.6354276170855, 13.462556350556317, -0.7475 ] ] ] }, "bbox": [ 144.6354058, 13.46255635, -0.7475, 144.6446584, 13.46486665, 14.5525 ], "properties": { "datetime": "2011-09-20T02:36:58Z", "pc:count": 217313, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244379.4206, "count": 217313, "maximum": 244999.9557, "minimum": 243999.9957, "name": "X", "position": 0, "stddev": 270.7396688, "variance": 73299.96826 }, { "average": 1489701.726, "count": 217313, "maximum": 1489765.238, "minimum": 1489519.118, "name": "Y", "position": 1, "stddev": 46.50916803, "variance": 2163.102711 }, { "average": 6.762253443, "count": 217313, "maximum": 14.5525, "minimum": -0.7475, "name": "Z", "position": 2, "stddev": 3.545463898, "variance": 12.57031425 }, { "average": 27.48296236, "count": 217313, "maximum": 73, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.82987238, "variance": 139.9458804 }, { "average": 1.499942479, "count": 217313, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000011471, "variance": 0.2500011471 }, { "average": 1.999802129, "count": 217313, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01406531303, "variance": 0.0001978330306 }, { "average": 0.627509629, "count": 217313, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4834690994, "variance": 0.2337423701 }, { "average": 0, "count": 217313, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.103528091, "count": 217313, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.311371102, "variance": 0.09695196313 }, { "average": 11.28915445, "count": 217313, "maximum": 37.9980011, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 22.74307543, "variance": 517.24748 }, { "average": 0, "count": 217313, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 19, "count": 217313, "maximum": 19, "minimum": 19, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 487112.508, "count": 217313, "maximum": 521418.8383, "minimum": 15083.77145, "name": "GpsTime", "position": 12, "stddev": 126302.2066, "variance": 15952247400.0 }, { "average": 0, "count": 217313, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 217313, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 217313, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 217313, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 217313, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243999.9957, 1489519.118, -0.7475, 244999.9557, 1489765.238, 14.5525 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243999.99574255117, 1489519.1184981726, -0.7475 ], [ 243999.99574255117, 1489765.2384981727, -0.7475 ], [ 244999.9557425512, 1489765.2384981727, 14.5525 ], [ 244999.9557425512, 1489519.1184981726, 14.5525 ], [ 243999.99574255117, 1489519.1184981726, -0.7475 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T02:36:58+00:00", "end_time": "2011-09-14T05:58:03+00:00", "license": "CC-BY-1.0" }, "links": [ { "rel": "self", "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/stac/20070218_guam_55pbq4489_ld.copc.json", "type": "application/json" } ], "assets": { "20070218_guam_55pbq4489_ld.copc": { "href": "https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/msl/551/20070218_guam_55pbq4489_ld.copc.laz", "type": "Feature", "assets": { "data": { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4489_ld.copc.laz", "title": "Pointcloud data" } }, "bbox": [ 144.6354058, 13.46255635, -0.7475, 144.6446584, 13.46486665, 14.5525 ], "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6354276170855, 13.462556350556317, -0.7475 ], [ 144.63540577481524, 13.464779956252297, -0.7475 ], [ 144.64463659468694, 13.464866650637902, 14.5525 ], [ 144.64465835187906, 13.462643030111563, 14.5525 ], [ 144.6354276170855, 13.462556350556317, -0.7475 ] ] ] }, "id": "20070218_guam_55pbq4489_ld.copc", "links": [ { "href": "/san1/reef/lidar1_z/msl/data/551/20070218_guam_55pbq4489_ld.copc.laz", "rel": "derived_from" } ], "properties": { "datetime": "2011-09-20T02:36:58Z", "pc:count": 217313, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 244379.4206, "count": 217313, "maximum": 244999.9557, "minimum": 243999.9957, "name": "X", "position": 0, "stddev": 270.7396688, "variance": 73299.96826 }, { "average": 1489701.726, "count": 217313, "maximum": 1489765.238, "minimum": 1489519.118, "name": "Y", "position": 1, "stddev": 46.50916803, "variance": 2163.102711 }, { "average": 6.762253443, "count": 217313, "maximum": 14.5525, "minimum": -0.7475, "name": "Z", "position": 2, "stddev": 3.545463898, "variance": 12.57031425 }, { "average": 27.48296236, "count": 217313, "maximum": 73, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 11.82987238, "variance": 139.9458804 }, { "average": 1.499942479, "count": 217313, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000011471, "variance": 0.2500011471 }, { "average": 1.999802129, "count": 217313, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.01406531303, "variance": 0.0001978330306 }, { "average": 0.627509629, "count": 217313, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4834690994, "variance": 0.2337423701 }, { "average": 0, "count": 217313, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.103528091, "count": 217313, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.311371102, "variance": 0.09695196313 }, { "average": 11.28915445, "count": 217313, "maximum": 37.9980011, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 22.74307543, "variance": 517.24748 }, { "average": 0, "count": 217313, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 19, "count": 217313, "maximum": 19, "minimum": 19, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 487112.508, "count": 217313, "maximum": 521418.8383, "minimum": 15083.77145, "name": "GpsTime", "position": 12, "stddev": 126302.2066, "variance": 15952247400.0 }, { "average": 0, "count": 217313, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 217313, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 217313, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 217313, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 217313, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 243999.9957, 1489519.118, -0.7475, 244999.9557, 1489765.238, 14.5525 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 243999.99574255117, 1489519.1184981726, -0.7475 ], [ 243999.99574255117, 1489765.2384981727, -0.7475 ], [ 244999.9557425512, 1489765.2384981727, 14.5525 ], [ 244999.9557425512, 1489519.1184981726, 14.5525 ], [ 243999.99574255117, 1489519.1184981726, -0.7475 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 147, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 8693 } }, { "type": "VerticalCRS", "name": "MSL height", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5714 } } ] }, "proj:wkt2": "PROJCS[\"NAD83(MA11) / UTM zone 55N\",GEOGCS[\"NAD83(MA11)\",DATUM[\"NAD83_National_Spatial_Reference_System_MA11\",SPHEROID[\"GRS 1980\",6378137,298.257222101],AUTHORITY[\"EPSG\",\"1118\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"6325\"]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",147],PARAMETER[\"scale_factor\",0.9996],PARAMETER[\"false_easting\",500000],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"EPSG\",\"8693\"]]", "start_time": "2011-09-20T02:36:58+00:00", "end_time": "2011-09-14T05:58:03+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": "20070218_guam_55pbq4989_ld.copc", "geometry": { "type": "Polygon", "coordinates": [ [ [ 144.6816287825191, 13.458296137898989, -0.508 ], [ 144.68154177367563, 13.467331078202005, -0.508 ], [ 144.69077355060622, 13.467416100076491, 65.672 ], [ 144.69086021359504, 13.458381100608264, 65.672 ], [ 144.6816287825191, 13.458296137898989, -0.508 ] ] ] }, "bbox": [ 144.6815418, 13.45829614, -0.508, 144.6908602, 13.4674161, 65.672 ], "properties": { "datetime": "2011-09-17T03:50:46Z", "pc:count": 1884494, "pc:encoding": ".laz", "pc:schemas": [ { "name": "X", "size": 8, "type": "floating" }, { "name": "Y", "size": 8, "type": "floating" }, { "name": "Z", "size": 8, "type": "floating" }, { "name": "Intensity", "size": 2, "type": "unsigned" }, { "name": "ReturnNumber", "size": 1, "type": "unsigned" }, { "name": "NumberOfReturns", "size": 1, "type": "unsigned" }, { "name": "ScanDirectionFlag", "size": 1, "type": "unsigned" }, { "name": "EdgeOfFlightLine", "size": 1, "type": "unsigned" }, { "name": "Classification", "size": 1, "type": "unsigned" }, { "name": "Synthetic", "size": 1, "type": "unsigned" }, { "name": "KeyPoint", "size": 1, "type": "unsigned" }, { "name": "Withheld", "size": 1, "type": "unsigned" }, { "name": "Overlap", "size": 1, "type": "unsigned" }, { "name": "ScanAngleRank", "size": 4, "type": "floating" }, { "name": "UserData", "size": 1, "type": "unsigned" }, { "name": "PointSourceId", "size": 2, "type": "unsigned" }, { "name": "GpsTime", "size": 8, "type": "floating" }, { "name": "ScanChannel", "size": 1, "type": "unsigned" } ], "pc:statistics": [ { "average": 249499.1341, "count": 1884494, "maximum": 249999.9983, "minimum": 248999.9783, "name": "X", "position": 0, "stddev": 269.6734094, "variance": 72723.74772 }, { "average": 1489445.931, "count": 1884494, "maximum": 1489999.996, "minimum": 1488999.996, "name": "Y", "position": 1, "stddev": 286.3065849, "variance": 81971.46056 }, { "average": 5.741603156, "count": 1884494, "maximum": 65.672, "minimum": -0.508, "name": "Z", "position": 2, "stddev": 5.250839178, "variance": 27.57131207 }, { "average": 23.65205514, "count": 1884494, "maximum": 146, "minimum": 1, "name": "Intensity", "position": 3, "stddev": 10.96833399, "variance": 120.3043506 }, { "average": 1.499962855, "count": 1884494, "maximum": 2, "minimum": 1, "name": "ReturnNumber", "position": 4, "stddev": 0.5000001313, "variance": 0.2500001313 }, { "average": 1.999775537, "count": 1884494, "maximum": 2, "minimum": 1, "name": "NumberOfReturns", "position": 5, "stddev": 0.0149804263, "variance": 0.0002244131721 }, { "average": 0.4883788433, "count": 1884494, "maximum": 1, "minimum": 0, "name": "ScanDirectionFlag", "position": 6, "stddev": 0.4998650631, "variance": 0.2498650813 }, { "average": 0, "count": 1884494, "maximum": 0, "minimum": 0, "name": "EdgeOfFlightLine", "position": 7, "stddev": 0, "variance": 0 }, { "average": 1.167786154, "count": 1884494, "maximum": 7, "minimum": 1, "name": "Classification", "position": 8, "stddev": 0.3833496563, "variance": 0.146956959 }, { "average": -0.7796277469, "count": 1884494, "maximum": 37.9980011, "minimum": -39, "name": "ScanAngleRank", "position": 9, "stddev": 25.30796051, "variance": 640.4928652 }, { "average": 0, "count": 1884494, "maximum": 0, "minimum": 0, "name": "UserData", "position": 10, "stddev": 0, "variance": 0 }, { "average": 32, "count": 1884494, "maximum": 32, "minimum": 32, "name": "PointSourceId", "position": 11, "stddev": 0, "variance": 0 }, { "average": 180857.1435, "count": 1884494, "maximum": 266646.2144, "minimum": 169062.4435, "name": "GpsTime", "position": 12, "stddev": 17163.9209, "variance": 294600180.8 }, { "average": 0, "count": 1884494, "maximum": 0, "minimum": 0, "name": "ScanChannel", "position": 13, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1884494, "maximum": 0, "minimum": 0, "name": "Synthetic", "position": 14, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1884494, "maximum": 0, "minimum": 0, "name": "KeyPoint", "position": 15, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1884494, "maximum": 0, "minimum": 0, "name": "Withheld", "position": 16, "stddev": 0, "variance": 0 }, { "average": 0, "count": 1884494, "maximum": 0, "minimum": 0, "name": "Overlap", "position": 17, "stddev": 0, "variance": 0 } ], "pc:type": "lidar", "proj:bbox": [ 248999.9783, 1488999.996, -0.508, 249999.9983, 1489999.996, 65.672 ], "proj:geometry": { "type": "Polygon", "coordinates": [ [ [ 248999.97831110854, 1488999.9957988332, -0.508 ], [ 248999.97831110854, 1489999.9957988332, -0.508 ], [ 249999.99831110856, 1489999.9957988332, 65.672 ], [ 249999.99831110856, 1488999.9957988332, 65.672 ], [ 248999.97831110854, 1488999.9957988332, -0.508 ] ] ] }, "proj:projjson": { "type": "CompoundCRS", "name": "NAD83(MA11) / UTM zone 55N + MSL height", "components": [ { "type": "ProjectedCRS", "name": "NAD83(MA11) / UTM zone 55N", "base_crs": { "type": "GeographicCRS", "name": "NAD83(MA11)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System MA11)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6325 } }, "conversion": { "name": "UTM zone 55N",