2008 USACE NCMP Topobathy Lidar: Lake Michigan (MI) Point Cloud files with Vertical Datum North American Vertical Datum of 1988 (NAVD88) using GEOID18
Below are links to the files that make up the 2008 USACE NCMP Topobathy Lidar: Lake Michigan (MI) dataset.
Vertical datum | North American Vertical Datum of 1988 (NAVD88) using GEOID18 in meters |
Horizontal projection/datum | NAD83(NSRS2007) / UTM zone 16N |
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_2008_GL_Bathymetry_m518.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/geoid18/518/index.html/
This will give you the directory structure starting with geoid18. 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 3.0G. There are 80 LAZ files and the summary class table is:
Class Number | Class Name | Points |
0 | Never Classified | 438837178 |
11 | Green Laser returns | 73623057 |
Cloud Access
This data is in an AWS S3 bucket at s3://noaa-nos-coastal-lidar-pds/laz/geoid18/518.
Meta Information
Tile Index: tileindex_2008_GL_Bathymetry_m518.gpkg (Geopackage)
Tile Index: tileindex_2008_GL_Bathymetry_m518.zip (Shapefile)
Metadata: metadata_2008_GL_Bathymetry.xml
Metadata: metadata_2008_GL_BathymetryforHumans.html
XYZ range table: minmax_2008_GL_Bathymetry_m518.csv
URL List: urllist_2008_GL_Bathymetry_m518.txt
Supplemental Info
Files
mi2008_usace_ncmp_lake_michigan_m518.kmz
Spatial Temporal Asset Catalog (STAC)
collection.json (See collection in STAC Browser)
noaa_copc_item_collection_m518.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
20080801_NCMP_MI_Michigan_01_H.copc.laz
20080801_NCMP_MI_Michigan_01_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_02_H.copc.laz
20080801_NCMP_MI_Michigan_02_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_03_H.copc.laz
20080801_NCMP_MI_Michigan_03_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_04_H.copc.laz
20080801_NCMP_MI_Michigan_04_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_05_H.copc.laz
20080801_NCMP_MI_Michigan_05_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_06_H.copc.laz
20080801_NCMP_MI_Michigan_06_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_07_H.copc.laz
20080801_NCMP_MI_Michigan_07_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_08_H.copc.laz
20080801_NCMP_MI_Michigan_08_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_09_H.copc.laz
20080801_NCMP_MI_Michigan_09_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_10_H.copc.laz
20080801_NCMP_MI_Michigan_10_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_11_H.copc.laz
20080801_NCMP_MI_Michigan_11_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_12_H.copc.laz
20080801_NCMP_MI_Michigan_12_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_13_H.copc.laz
20080801_NCMP_MI_Michigan_13_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_14_H.copc.laz
20080801_NCMP_MI_Michigan_14_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_15_H.copc.laz
20080801_NCMP_MI_Michigan_15_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_16_H.copc.laz
20080801_NCMP_MI_Michigan_16_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_17_H.copc.laz
20080801_NCMP_MI_Michigan_17_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_18_H.copc.laz
20080801_NCMP_MI_Michigan_18_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_19_H.copc.laz
20080801_NCMP_MI_Michigan_19_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_20_H.copc.laz
20080801_NCMP_MI_Michigan_20_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_21_H.copc.laz
20080801_NCMP_MI_Michigan_21_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_22_H.copc.laz
20080801_NCMP_MI_Michigan_22_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_23_H.copc.laz
20080801_NCMP_MI_Michigan_23_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_24_H.copc.laz
20080801_NCMP_MI_Michigan_24_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_25_H.copc.laz
20080801_NCMP_MI_Michigan_25_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_26_H.copc.laz
20080801_NCMP_MI_Michigan_26_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_27_H.copc.laz
20080801_NCMP_MI_Michigan_27_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_28_H.copc.laz
20080801_NCMP_MI_Michigan_28_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_29_H.copc.laz
20080801_NCMP_MI_Michigan_29_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_30_H.copc.laz
20080801_NCMP_MI_Michigan_30_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_31_H.copc.laz
20080801_NCMP_MI_Michigan_31_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_32_H.copc.laz
20080801_NCMP_MI_Michigan_32_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_33_H.copc.laz
20080801_NCMP_MI_Michigan_33_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_34_H.copc.laz
20080801_NCMP_MI_Michigan_34_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_35_H.copc.laz
20080801_NCMP_MI_Michigan_35_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_36_H.copc.laz
20080801_NCMP_MI_Michigan_36_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_37_H.copc.laz
20080801_NCMP_MI_Michigan_37_TL_ld_p10.copc.laz
20080801_NCMP_MI_Michigan_38_H.copc.laz
20080801_NCMP_MI_Michigan_39_H.copc.laz
20080801_NCMP_MI_Michigan_40_H.copc.laz
20080801_NCMP_MI_Michigan_41_H.copc.laz
20080801_NCMP_MI_Michigan_43_H.copc.laz
20080801_NCMP_MI_Michigan_45_H.copc.laz
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