2013 USACE NCMP Topobathy Lidar: Lanai (HI) - LMSL Point Cloud files with Orthometric Vertical Datum Local Mean Sea Level

Below are links to the files that make up the 2013 USACE NCMP Topobathy Lidar: Lanai (HI) - LMSL dataset in an orthometric vertical datum Local Mean Sea Level. This HTML file is here to emulate the access you would have gotten through an ftp site. The files containing geospatial indices, metadata, etc., are listed first, followed by the files. To download in bulk, it is suggested you use a program such as wget (example below). 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 or LAZ fmt will take you here).

The data are all in geographic coordinates using the North American Datum of 1983 (NAD83). The version of the NAD83 datum may vary slightly, but all are one of the updated realizations such as the High Accuracy Reference Network (HARN), Continuously Operating Reference System of 1996 (CORS96), or National Spatial Reference System of 2007 (NSRS2007), and not the original NAD83(86). This may not be evident in the metadata. Vertical units are meters and are referenced to mean sea level.

The files are in LAZ format, a lossless compressed version of the ASPRS LAS format. The compression and decompression is done with the free and open source 'laszip' program available at http://laszip.org. This is not the same as the more general zip format. Many geospatial programs will read LAZ files natively and decompression is often not necessary. There is a list of software with native support on the laszip site.

Example to download entire data set using wget (windows version at http://gnuwin32.sourceforge.net/packages/wget.htm):
wget -np -r -nH -L --cut-dirs=2 https://coast.noaa.gov/htdata/lidar1_z/msl/data/5030/
This will give you the directory structure starting with msl. Modify the --cut-dirs=2 argument to modify the start directory (e.g. --cut-dirs=4 will start at 5030). 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 http://www.gnu.org/software/wget/manual/wget.html. The other options in the example mean:


If you have problems with wget that look like an authorization or certificate issue, you may need to add the option "--no-check-certificate". You can also use the uGet program with the list of URLs in file urllist5030.txt. More information on using uGet is in the Bulk Lidar Download GeoZone blog post.

To download only a subset of the files based on a polygon, see this GeoZone blog post.

The total size to download all the files is 839M.

If you need FTP access instead of HTTPS, use ftp://ftp.coast.noaa.gov/pub/DigitalCoast/lidar1_z/msl/data/5030

Georeferencing Note

You may find the georeferencing on the files refers to generic NAD83 (EPSG code 4269). All files, with the exception of the few in WGS84, are in a more recent realization of NAD83 such as NAD83(CORS96), NAD83(HARN), NAD83(NSRS2007), or NAD83(2011).

Meta Info

Tile Index: tileindex.zip (Shapefile)
                hi2013_usace_ncmp_lanai_lmsl_m5030_index.gpkg (GeoPackage)
Metadata: hi2013_usace_ncmp_lanai_lmsl_m5030_metadata.xml
Metadata: hi2013_usace_ncmp_lanai_lmsl_m5030_metadata.html
XYZ range table: hi2013_usace_ncmp_lanai_lmsl_m5030_minmax.csv
README: 0README.txt (contains similar information to above)
URL List: urllist5030.txt is a list of all the URLs for batch downloading.

Supplemental Info


supplemental/hi2013_usace_ncmp_lanai_lmsl_m5030.kmz
supplemental/index.html

Point Cloud Data Files

20131107_ncmp_hi_lanai_4qgh0897_lmsl.laz
20131107_ncmp_hi_lanai_4qgh0898_lmsl.laz
20131107_ncmp_hi_lanai_4qgh0899_lmsl.laz
20131107_ncmp_hi_lanai_4qgh0996_lmsl.laz
20131107_ncmp_hi_lanai_4qgh0997_lmsl.laz
20131107_ncmp_hi_lanai_4qgh0998_lmsl.laz
20131107_ncmp_hi_lanai_4qgh0999_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1096_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1097_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1098_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1099_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1193_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1194_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1293_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1294_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1393_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1394_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1493_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1494_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1593_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1594_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1595_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1693_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1694_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1695_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1793_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1794_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1795_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1893_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1894_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1895_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1993_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1994_lmsl.laz
20131107_ncmp_hi_lanai_4qgh1995_lmsl.laz
20131107_ncmp_hi_lanai_4qgh2093_lmsl.laz
20131107_ncmp_hi_lanai_4qgh2094_lmsl.laz
20131107_ncmp_hi_lanai_4qgh2095_lmsl.laz
20131107_ncmp_hi_lanai_4qgh2096_lmsl.laz
20131107_ncmp_hi_lanai_4qgh2194_lmsl.laz
20131107_ncmp_hi_lanai_4qgh2195_lmsl.laz
20131107_ncmp_hi_lanai_4qgh2196_lmsl.laz
20131107_ncmp_hi_lanai_4qgh2294_lmsl.laz
20131107_ncmp_hi_lanai_4qgh2295_lmsl.laz
20131107_ncmp_hi_lanai_4qgh2296_lmsl.laz
20131107_ncmp_hi_lanai_4qgh2395_lmsl.laz
20131107_ncmp_hi_lanai_4qgh2396_lmsl.laz
20131107_ncmp_hi_lanai_4qgj0800_lmsl.laz
20131107_ncmp_hi_lanai_4qgj0801_lmsl.laz
20131107_ncmp_hi_lanai_4qgj0802_lmsl.laz
20131107_ncmp_hi_lanai_4qgj0803_lmsl.laz
20131107_ncmp_hi_lanai_4qgj0804_lmsl.laz
20131107_ncmp_hi_lanai_4qgj0900_lmsl.laz
20131107_ncmp_hi_lanai_4qgj0901_lmsl.laz
20131107_ncmp_hi_lanai_4qgj0902_lmsl.laz
20131107_ncmp_hi_lanai_4qgj0903_lmsl.laz
20131107_ncmp_hi_lanai_4qgj0904_lmsl.laz

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