Editing Digital elevation model (section)

=== Websites ===
OpenTopography<ref name="OpenTopography">{{cite web|url=http://www.opentopography.org/|title=OpenTopography|website=www.opentopography.org}}</ref> is a web based community resource for access to high-resolution, Earth science-oriented, topography data (lidar and DEM data), and processing tools running on commodity and high performance compute system along with educational resources.<ref name="opentopography.org">{{cite web|url=http://www.opentopography.org/about/|title=About OpenTopography}}</ref> OpenTopography is based at the San Diego Supercomputer Center<ref>{{Cite web|url=http://www.sdsc.edu|title=San Diego Supercomputer Center|website=www.sdsc.edu|access-date=2018-08-16}}</ref> at the University of California San Diego and is operated in collaboration with colleagues in the School of Earth and Space Exploration at Arizona State University and UNAVCO.<ref>{{Cite web|url=http://www.unavco.org|title=Home {{!}} UNAVCO|website=www.unavco.org|language=en-US|access-date=2018-08-16}}</ref> Core operational support for OpenTopography comes from the National Science Foundation, Division of Earth Sciences.

The OpenDemSearcher is a Mapclient with a visualization of regions with free available middle and high resolution DEMs.<ref>[http://www.opendem.info/opendemsearcher.html  OpenDemSearcher]</ref>
[[File:Moon_elevation.stl|thumb|[[STL (file format)|STL 3D model]] of the [[Moon]] with 10× elevation exaggeration rendered with data from the [[Lunar Orbiter Laser Altimeter]] of the [[Lunar Reconnaissance Orbiter]] ]]