2014 AK DOT Lidar: Hoonah Corridor, AK Point Cloud files with Vertical Datum North American Vertical Datum of 1988 (NAVD88) using GEOID12B
Below are links to the files that make up the 2014 AK DOT Lidar: Hoonah Corridor, AK dataset.
Vertical datum | North American Vertical Datum of 1988 (NAVD88) using GEOID12B in meters |
Horizontal projection/datum | NAD83(2011) / UTM zone 8N |
Informational files are listed first (such as geospatial indices, metadata, and so on), followed by the files. To download in
bulk, it is suggested you use a download manager such as wget, uget, or filezilla for example. The geospatial index file in shapefile format
also has a URL attribute that some GIS programs can use to download files. You can also subset the data, make derived products, and change
projection, datum, etc., using the Digital Coast Data Access Viewer
(add to cart, the link to bulk download will take you here).
The files are in LAZ format, a lossless compressed version of the ASPRS LAS format. The compression and
decompression can be done with the free and open source 'laszip' program available at
https://rapidlasso.de/laszip/
(source at https://github.com/LASzip/LASzip). This is not the same as the more general zip format.
You may also want to try the uGet program using the list of URLs in file urllist_ak2014_hoonah_m8565.txt.
Several posts on the GeoZone blog provide help with downloading, including:
Example to download entire data set using wget (note: sufficiently new and trusted pre-compiled Windows versions can be hard to find):
wget -np -r -nH -L --cut-dirs=2 https://noaa-nos-coastal-lidar-pds.s3.amazonaws.com/laz/geoid12b/8565/index.html/
This will give you the directory structure starting with geoid12b. Modify the --cut-dirs=2 argument to modify
the start directory (e.g. --cut-dirs=4 will start at $missionid). Wget is a command-line program and the output will
be to the directory you run it in. More options and information can be found at https://www.gnu.org/software/wget/manual/wget.html.
The other options in the example mean:
- -np = don't grab the parent directory
- -r = recursive (descend into directories)
- -nH = don't generate host-prefixed directories
- -L = follow relative links only (so you don't download wget just because it's linked here)
If you have problems with wget that look like an authorization or certificate issue, you may need to add the option
"--no-check-certificate". Windows users may want to install the Windows Subsystem for Linux to get a current wget.
The total size to download all the files is 11G. There are 158 LAZ files and the summary class table is:
Class Number | Class Name | Points |
0 | Never Classified | 11 |
1 | Unclassified | 37510016 |
2 | Ground | 97307874 |
3 | Low Vegetation | 375852089 |
4 | Medium Vegetation | 217040400 |
5 | High Vegetation | 1171018486 |
6 | Building | 1 |
7 | Low Point (noise) | 341122 |
8 | Model Key Point | 12651462 |
9 | Water | 20588518 |
10 | Ignored Ground (near breakline) | 3 |
11 | High Noise | 4 |
12 | Class 12 - see metadata | 4 |
14 | Bridge Deck | 22619 |
15 | Class 15 - see metadata | 6 |
16 | Class 16 - see metadata | 1 |
17 | Overlap default | 2 |
This dataset has 89 points in additional unexpected classes that may be misclassified.
Cloud Access
This data is in an AWS S3 bucket at s3://noaa-nos-coastal-lidar-pds/laz/geoid12b/8565.
Meta Information
Tile Index: tileindex_ak2014_hoonah_m8565.zip (Shapefile)
Tile Index: tileindex_ak2014_hoonah_m8565.gpkg (Geopackage)
Metadata: metadata_ak2014_hoonah.xml
Metadata: metadata_ak2014_hoonahforHumans.html
XYZ range table: minmax_ak2014_hoonah_m8565.csv
URL List: urllist_ak2014_hoonah_m8565.txt
Supplemental Info
Files
Hoonah_Corridor_Quality_Assurance_Report.pdf
Hoonah_Tetra_Tech_Report.pdf
ak2014_hoonah_m8565.kmz
Spatial Temporal Asset Catalog (STAC)
collection.json (See collection in STAC Browser)
noaa_copc_item_collection_m8565.json
Entwine Format
See entwine.io for more information on the Entwine Point Tile format.
EPT JSON file
View Point Data in Potree 3D Viewer
Point Cloud Files
L22425_22525.copc.laz
L22425_22550.copc.laz
L22425_22575.copc.laz
L22425_22600.copc.laz
L22425_22625.copc.laz
L22450_22525.copc.laz
L22450_22550.copc.laz
L22450_22575.copc.laz
L22450_22600.copc.laz
L22450_22625.copc.laz
L22475_22550.copc.laz
L22475_22575.copc.laz
L22475_22600.copc.laz
L22475_22625.copc.laz
L22500_22575.copc.laz
L22500_22600.copc.laz
L22500_22625.copc.laz
L22525_22575.copc.laz
L22525_22600.copc.laz
L22525_22625.copc.laz
L22550_22575.copc.laz
L22550_22600.copc.laz
L22575_22575.copc.laz
L22575_22600.copc.laz
L22600_22550.copc.laz
L22600_22575.copc.laz
L22625_22525.copc.laz
L22625_22550.copc.laz
L22625_22575.copc.laz
L22650_22500.copc.laz
L22650_22525.copc.laz
L22650_22550.copc.laz
L22675_22500.copc.laz
L22675_22525.copc.laz
L22700_22475.copc.laz
L22700_22500.copc.laz
L22700_22525.copc.laz
L22725_22475.copc.laz
L22725_22500.copc.laz
L22750_22475.copc.laz
L22750_22500.copc.laz
L22750_22525.copc.laz
L22775_22500.copc.laz
L22775_22525.copc.laz
L22775_22550.copc.laz
L22800_22400.copc.laz
L22800_22425.copc.laz
L22800_22450.copc.laz
L22800_22475.copc.laz
L22800_22500.copc.laz
L22800_22525.copc.laz
L22800_22550.copc.laz
L22825_22375.copc.laz
L22825_22400.copc.laz
L22825_22425.copc.laz
L22825_22450.copc.laz
L22825_22475.copc.laz
L22825_22500.copc.laz
L22825_22525.copc.laz
L22825_22550.copc.laz
L22850_22375.copc.laz
L22850_22400.copc.laz
L22850_22425.copc.laz
L22850_22500.copc.laz
L22850_22525.copc.laz
L22875_22375.copc.laz
L22875_22400.copc.laz
L22875_22425.copc.laz
L22900_22375.copc.laz
L22900_22400.copc.laz
L22925_22350.copc.laz
L22925_22375.copc.laz
L22925_22400.copc.laz
L22950_22350.copc.laz
L22950_22375.copc.laz
L22975_22350.copc.laz
L22975_22375.copc.laz
L22975_22400.copc.laz
L23000_22375.copc.laz
L23000_22400.copc.laz
L23000_22425.copc.laz
L23000_22450.copc.laz
L23000_22475.copc.laz
L23000_22500.copc.laz
L23000_22525.copc.laz
L23025_22375.copc.laz
L23025_22400.copc.laz
L23025_22425.copc.laz
L23025_22450.copc.laz
L23025_22475.copc.laz
L23025_22500.copc.laz
L23025_22525.copc.laz
L23050_22400.copc.laz
L23050_22425.copc.laz
L23050_22450.copc.laz
L23050_22500.copc.laz
L23050_22525.copc.laz
L23075_22500.copc.laz
L23075_22525.copc.laz
L23100_22500.copc.laz
L23100_22525.copc.laz
L23100_22550.copc.laz
L23125_22450.copc.laz
L23125_22475.copc.laz
L23125_22500.copc.laz
L23125_22525.copc.laz
L23125_22550.copc.laz
L23150_22450.copc.laz
L23150_22475.copc.laz
L23150_22500.copc.laz
L23150_22525.copc.laz
L23150_22550.copc.laz
L23175_22450.copc.laz
L23175_22475.copc.laz
L23175_22500.copc.laz
L23175_22525.copc.laz
L23175_22550.copc.laz
L23200_22425.copc.laz
L23200_22450.copc.laz
L23200_22475.copc.laz
L23200_22500.copc.laz
L23200_22525.copc.laz
L23225_22400.copc.laz
L23225_22425.copc.laz
L23225_22450.copc.laz
L23225_22475.copc.laz
L23225_22500.copc.laz
L23225_22525.copc.laz
L23250_22400.copc.laz
L23250_22425.copc.laz
L23250_22450.copc.laz
L23250_22475.copc.laz
L23250_22500.copc.laz
L23250_22525.copc.laz
L23275_22450.copc.laz
L23275_22475.copc.laz
L23275_22500.copc.laz
L23275_22525.copc.laz
L23300_22425.copc.laz
L23300_22450.copc.laz
L23300_22475.copc.laz
L23300_22500.copc.laz
L23300_22525.copc.laz
L23325_22425.copc.laz
L23325_22450.copc.laz
L23325_22475.copc.laz
L23325_22500.copc.laz
L23325_22525.copc.laz
L23350_22425.copc.laz
L23350_22450.copc.laz
L23350_22475.copc.laz
L23350_22500.copc.laz
L23350_22525.copc.laz
L23375_22425.copc.laz
L23375_22450.copc.laz
L23375_22475.copc.laz
L23375_22500.copc.laz
L23375_22525.copc.laz
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