on February 12, 2023
Choosing DEM in France?
Geographic Information SystemsWhat is the best Dem resolution?
The one-meter DEM is the highest resolution standard DEM offered in the 3DEP product suite. Other 3DEP products are nationally seamless DEMs in resolutions of 1/3, 1, and 2 arc seconds.
What is the most accurate DEM data?
The DSM dataset has a horizontal resolution of approximately 30-meter mesh (1 arcsec) and is available to the public for free. Based on the DSM dataset (5 meter mesh version) of the World 3D Topographic Data—the most precise global-scale elevation data with world-leading precision of 30 meters.
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