2013 SRWMD Lidar: Greenville (FL) 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 2013 SRWMD Lidar: Greenville (FL) 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/4899/
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 4899). 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 urllist4899.txt. Several posts on the GeoZone blog provide help with downloading, including:

The total size to download all the files is 5.8G. There are 237 LAZ files and the summary class table is:
Class NumberClass NamePoints
0Never Classified252
1Unclassified555327900
2Ground171971980
3Low Vegetation13037
4Medium Vegetation10
5High Vegetation37
6Building69
7Low Point (noise)2938
8Model Key Point2
9Water303949
10Ignored Ground (near breakline)3
12Class 12 - see metadata760257315
13Road Surface3
14Bridge Deck7
15Class 15 - see metadata6
16Class 16 - see metadata1
17Overlap default5
18Overlap ground2
195
205
212
222
232
245
25Overlap water1
266
271
289
292
305
314

If you need FTP access instead of HTTPS, use ftp://ftp.coast.noaa.gov/pub/DigitalCoast/lidar1_z/geoid18/data/4899

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)
                fl2013_srwmd_greenville_index.gpkg (GeoPackage)
Metadata: fl2013_srwmd_greenville_metadata.xml
Metadata: fl2013_srwmd_greenville_metadata.html
XYZ range table: fl2013_srwmd_greenville_minmax.csv
README: 0README.txt (contains similar information to above)
URL List: urllist4899.txt is a list of all the URLs for batch downloading.

Supplemental Info

supplemental/SRWMD_DataDisclaim.txt
supplemental/fl2013_srwmd_greenville_m4899.kmz
supplemental/fl2013_srwmd_greenville_m4899_surveyreport.pdf
supplemental/index.html

Breakline Files

breaklines/README_breaklines_m4899.txt
breaklines/fl2013_srwmd_greenville_m4899_breaklines.zip
breaklines/index.html

Point Clouds

20130122_fl_usgs_greenville_N99.laz
20130122_fl_usgs_greenville_N203.laz
20130122_fl_usgs_greenville_N221.laz
20130122_fl_usgs_greenville_N26.laz
20130122_fl_usgs_greenville_N80.laz
20130122_fl_usgs_greenville_N62.laz
20130122_fl_usgs_greenville_N186.laz
20130122_fl_usgs_greenville_N44.laz
20130122_fl_usgs_greenville_N8.laz
20130122_fl_usgs_greenville_N61.laz
20130122_fl_usgs_greenville_N79.laz
20130122_fl_usgs_greenville_N202.laz
20130122_fl_usgs_greenville_N43.laz
20130122_fl_usgs_greenville_N25.laz
20130122_fl_usgs_greenville_N98.laz
20130122_fl_usgs_greenville_N185.laz
20130122_fl_usgs_greenville_N220.laz
20130122_fl_usgs_greenville_N78.laz
20130122_fl_usgs_greenville_N60.laz
20130122_fl_usgs_greenville_N77.laz
20130122_fl_usgs_greenville_N201.laz
20130122_fl_usgs_greenville_N22.laz
20130122_fl_usgs_greenville_N24.laz
20130122_fl_usgs_greenville_N184.laz
20130122_fl_usgs_greenville_N97.laz
20130122_fl_usgs_greenville_N42.laz
20130122_fl_usgs_greenville_N219.laz
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20130122_fl_usgs_greenville_N6.laz
20130122_fl_usgs_greenville_N59.laz
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20130122_fl_usgs_greenville_N96.laz
20130122_fl_usgs_greenville_N183.laz
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20130122_fl_usgs_greenville_N237.laz
20130122_fl_usgs_greenville_N75.laz
20130122_fl_usgs_greenville_N41.laz
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20130122_fl_usgs_greenville_N86.laz
20130122_fl_usgs_greenville_N51.laz
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20130122_fl_usgs_greenville_N191.laz
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20130122_fl_usgs_greenville_N177.laz
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20130122_fl_usgs_greenville_N175.laz
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20130122_fl_usgs_greenville_N228.laz
20130122_fl_usgs_greenville_N83.laz
20130122_fl_usgs_greenville_N188.laz
20130122_fl_usgs_greenville_N45.laz
20130122_fl_usgs_greenville_N168.laz
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20130122_fl_usgs_greenville_N207.laz
20130122_fl_usgs_greenville_N15.laz
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20130122_fl_usgs_greenville_N227.laz
20130122_fl_usgs_greenville_N3.laz
20130122_fl_usgs_greenville_N29.laz
20130122_fl_usgs_greenville_N28.laz
20130122_fl_usgs_greenville_N187.laz
20130122_fl_usgs_greenville_N27.laz
20130122_fl_usgs_greenville_N171.laz
20130122_fl_usgs_greenville_N167.laz
20130122_fl_usgs_greenville_N206.laz
20130122_fl_usgs_greenville_N81.laz
20130122_fl_usgs_greenville_N149.laz
20130122_fl_usgs_greenville_N226.laz
20130122_fl_usgs_greenville_N148.laz
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20130122_fl_usgs_greenville_N131.laz
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20130122_fl_usgs_greenville_N144.laz
20130122_fl_usgs_greenville_N166.laz
20130122_fl_usgs_greenville_N113.laz
20130122_fl_usgs_greenville_N205.laz
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20130122_fl_usgs_greenville_N11.laz
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20130122_fl_usgs_greenville_N109.laz
20130122_fl_usgs_greenville_N222.laz
20130122_fl_usgs_greenville_N163.laz
20130122_fl_usgs_greenville_N128.laz
20130122_fl_usgs_greenville_N136.laz
20130122_fl_usgs_greenville_N162.laz
20130122_fl_usgs_greenville_N108.laz
20130122_fl_usgs_greenville_N127.laz
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20130122_fl_usgs_greenville_N161.laz
20130122_fl_usgs_greenville_N160.laz
20130122_fl_usgs_greenville_N16.laz
20130122_fl_usgs_greenville_N134.laz
20130122_fl_usgs_greenville_N107.laz
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20130122_fl_usgs_greenville_N159.laz
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20130122_fl_usgs_greenville_N124.laz
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20130122_fl_usgs_greenville_N119.laz
20130122_fl_usgs_greenville_N100.laz
20130122_fl_usgs_greenville_N10.laz
20130122_fl_usgs_greenville_N118.laz
20130122_fl_usgs_greenville_N1.laz
20130122_fl_usgs_greenville_N117.laz
20130122_fl_usgs_greenville_N116.laz
20130122_fl_usgs_greenville_N115.laz
20130122_fl_usgs_greenville_N114.laz

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