2014 OLC Lidar DEM: Metro

Below are links to the files that make up the 2014 OLC Lidar DEM: Metro dataset. 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 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).

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=3 https://chs.coast.noaa.gov/htdata/raster2/elevation/OLC_metro_2014_6378/
This will give you the directory structure starting with OLC_metro_2014. Modify the --cut-dirs=3 argument to modify the start directory (e.g. --cut-dirs=2 will start at elevation). 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:


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 urllist6378.txt. More information on using uGet is in the Bulk Lidar Download GeoZone blog post.

The total size to download all the files is 20G.

If you need FTP access instead of HTTPS, use ftp://ftp.coast.noaa.gov/pub/DigitalCoast/raster2/elevation/OLC_metro_2014_6378/

Meta Info


Tile Index: tileindex_OLC_metro_2014.zip
Metadata: or2014_olc_metro_DEM_m6378_metadata.html
Metadata: 2014_olc_metro_m6378_met.xml
URL list: urllist6378.txt

VRTs

Virtual Raster Tables (VRTs) can be used to reference the entire data set. Software packages that incorporate GDAL can reference the data by prepending /vsicurl/ to the URL of the VRT. Multiple VRTs generally indicates there are multiple projection systems in the dataset.

VRT file: OLC_metro_2014.vrt

All Files

be45121d7.tif
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bh45121d7.tif
bh45121d8.tif
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bh45123d1.tif
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bh45123d3.tif
bh45123e1.tif
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bh45123e3.tif
bh45123f1.tif
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bh45123f3.tif
bh46122a8.tif
bh46123a6.tif
bh46123b5.tif
bh46123b6.tif
bh46123b7.tif
or2014_olc_metro_DEM_m6378_metadata.xml

Page owned by NOAA Office for Coastal Management. Last updated: Thu Dec 1 04:28:40 EST 2022