2008 SIO October Lidar: Southern CA Point Cloud files with Orthometric Vertical Datum North American Vertical Datum of 1988 (NAVD88) using GEOID18

Below are links to the files that make up the 2008 SIO October Lidar: Southern CA dataset in an orthometric vertical datum North American Vertical Datum of 1988 (NAVD88) using GEOID18. 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 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/geoid18/data/571/
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 571). 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 urllist571.txt. Several posts on the GeoZone blog provide help with downloading, including:

The total size to download all the files is 963M. There are 44 LAZ files and the summary class table is:
Class NumberClass NamePoints
0Never Classified415333578

If you need FTP access instead of HTTPS, use ftp://ftp.coast.noaa.gov/pub/DigitalCoast/lidar1_z/geoid18/data/571

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)
                scripps_index.gpkg (GeoPackage)
Metadata: scripps_metadata.xml
Metadata: scripps_metadata.html
XYZ range table: scripps_minmax.csv
README: 0README.txt (contains similar information to above)
URL List: urllist571.txt is a list of all the URLs for batch downloading.

Supplemental Info

supplemental/Scripps_September_2008_Lidar_Long_Beach_to_Mexico_Border.kmz
supplemental/index.html

Point Clouds

geo_nad83_grs80_m_ap_20080928_sealbse.laz
20080928__dpointne_ld_p19.laz
20080928__newboesnw_ld_p19.laz
20080928__newboesne_ld_p19.laz
geo_nad83_grs80_m_ap_20080928_sealbnw.laz
20080928__dmarsw_ld_p19.laz
20080928__dmaroewse_ld_p19.laz
20080928__lpulsw_ld_p19.laz
geo_nad83_grs80_m_ap_20080928_sealbne.laz
20080928__dmaroewne_ld_p19.laz
geo_nad83_grs80_m_ap_20080928_losalamsw.laz
geo_nad83_grs80_m_ap_20080928_longbsw.laz
geo_nad83_grs80_m_ap_20080928_longbse.laz
20080928__lpulse_ld_p19.laz
20080928__lpulnw_ld_p19.laz
geo_nad83_grs80_m_ap_20080928_longboesne.laz
20080928__sononw_ld_p19.laz
20080928__ljolsw_ld_p19.laz
20080928__sonone_ld_p19.laz
20080928__ljoloewse_ld_p19.laz
20080928__ljoloewne_ld_p19.laz
20080928__ljolnw_ld_p19.laz
20080928__lagbsw_ld_p19.laz
20080928__lagbse_ld_p19.laz
20080928__sluissw_ld_p19.laz
20080928__lagbnw_ld_p19.laz
20080928__sjcapsw_ld_p19.laz
20080928__sclemsw_ld_p19.laz
20080928__impbsw_ld_p19.laz
20080928__impboewse_ld_p19.laz
20080928__impboewne_ld_p19.laz
20080928__plomasw_ld_p19.laz
20080928__encinse_ld_p19.laz
20080928__plomase_ld_p19.laz
20080928__encinnw_ld_p19.laz
20080928__plomaoewse_ld_p19.laz
20080928__plomaoewne_ld_p19.laz
20080928__encinne_ld_p19.laz
20080928__plomanw_ld_p19.laz
20080928__dpointse_ld_p19.laz
20080928__osidese_ld_p19.laz
20080928__osidene_ld_p19.laz
20080928__dpointnw_ld_p19.laz
20080928__newbsw_ld_p19.laz

This page is owned by the NOAA Office for Coastal Management and was created by an automated script on Fri Sep 3 07:21:37 EDT 2021