2003 NOAA Lidar: Oahu Coastline (HI) Point Cloud files with Orthometric Vertical Datum GPS-derived orthometric height via GEOID model using GEOID12B

Below are links to the files that make up the 2003 NOAA Lidar: Oahu Coastline (HI) dataset in an orthometric vertical datum GPS-derived orthometric height via GEOID model using GEOID12B. 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 all have been converted from NAD83 ellipsoid heights to orthometric GPS-derived orthometric height via GEOID model heights using GEOID12B.

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 (note: sufficiently new and trusted pre-compiled Windows versions can be hard to find):
wget -np -r -nH -L --cut-dirs=2 https://chs.coast.noaa.gov/htdata/lidar1_z/geoid12b/data/25/
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 25). 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". Windows users may want to install the Windows Subsystem for Linux to get a current wget.

You can also use the uGet program with the list of URLs in file urllist25.txt. Several posts on the GeoZone blog provide help with downloading, including:

The total size to download all the files is 238M.

If you need FTP access instead of HTTPS, use ftp://ftp.coast.noaa.gov/pub/DigitalCoast/lidar1_z/geoid12b/data/25

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)
                2003_HI_index.gpkg (GeoPackage)
Metadata: 2003_HI_metadata.xml
Metadata: 2003_HI_metadata.html
XYZ range table: 2003_HI_minmax.csv
README: 0README.txt (contains similar information to above)
URL List: urllist25.txt is a list of all the URLs for batch downloading.

Supplemental Info

supplemental/hi2003_noaa_oahu_m25.kmz
supplemental/index.html

Point Clouds

20031021_oahu_coastal63_ld_p14.laz
20031021_oahu_coastal03_ld_p14.laz
20031021_oahu_coastal23_ld_p14.laz
20031021_oahu_coastal43_ld_p14.laz
20031021_oahu_coastal22_ld_p14.laz
20031021_oahu_coastal42_ld_p14.laz
20031021_oahu_coastal62_ld_p14.laz
20031021_oahu_coastal21_ld_p14.laz
20031021_oahu_coastal02_ld_p14.laz
20031021_oahu_coastal41_ld_p14.laz
20031021_oahu_coastal61_ld_p14.laz
20031021_oahu_coastal01_ld_p14.laz
20031021_oahu_coastal60_ld_p14.laz
20031021_oahu_coastal20_ld_p14.laz
20031021_oahu_coastal40_ld_p14.laz
20031021_oahu_coastal39_ld_p14.laz
20031021_oahu_coastal59_ld_p14.laz
20031021_oahu_coastal19_ld_p14.laz
20031021_oahu_coastal58_ld_p14.laz
20031021_oahu_coastal18_ld_p14.laz
20031021_oahu_coastal38_ld_p14.laz
20031021_oahu_coastal57_ld_p14.laz
20031021_oahu_coastal17_ld_p14.laz
20031021_oahu_coastal37_ld_p14.laz
20031021_oahu_coastal16_ld_p14.laz
20031021_oahu_coastal56_ld_p14.laz
20031021_oahu_coastal55_ld_p14.laz
20031021_oahu_coastal36_ld_p14.laz
20031021_oahu_coastal35_ld_p14.laz
20031021_oahu_coastal54_ld_p14.laz
20031021_oahu_coastal15_ld_p14.laz
20031021_oahu_coastal53_ld_p14.laz
20031021_oahu_coastal14_ld_p14.laz
20031021_oahu_coastal52_ld_p14.laz
20031021_oahu_coastal34_ld_p14.laz
20031021_oahu_coastal13_ld_p14.laz
20031021_oahu_coastal12_ld_p14.laz
20031021_oahu_coastal11_ld_p14.laz
20031021_oahu_coastal33_ld_p14.laz
20031021_oahu_coastal32_ld_p14.laz
20031021_oahu_coastal51_ld_p14.laz
20031021_oahu_coastal10_ld_p14.laz
20031021_oahu_coastal31_ld_p14.laz
20031021_oahu_coastal50_ld_p14.laz
20031021_oahu_coastal09_ld_p14.laz
20031021_oahu_coastal49_ld_p14.laz
20031021_oahu_coastal08_ld_p14.laz
20031021_oahu_coastal07_ld_p14.laz
20031021_oahu_coastal30_ld_p14.laz
20031021_oahu_coastal48_ld_p14.laz
20031021_oahu_coastal29_ld_p14.laz
20031021_oahu_coastal47_ld_p14.laz
20031021_oahu_coastal06_ld_p14.laz
20031021_oahu_coastal46_ld_p14.laz
20031021_oahu_coastal28_ld_p14.laz
20031021_oahu_coastal45_ld_p14.laz
20031021_oahu_coastal05_ld_p14.laz
20031021_oahu_coastal27_ld_p14.laz
20031021_oahu_coastal44_ld_p14.laz
20031021_oahu_coastal04_ld_p14.laz
20031021_oahu_coastal26_ld_p14.laz
20031021_oahu_coastal25_ld_p14.laz
20031021_oahu_coastal24_ld_p14.laz

This page is owned by the NOAA Office for Coastal Management and was created by an automated script on Wed Feb 3 16:14:34 EST 2021