A Digital Elevation Model (DEM) is an ordered array of number that represents the spatial distribution of elevations above some arbitrary datum in a landscape. Sampling a regular array of elevation values derived from topographic maps, either aerial photographs or the satellite images, normally generates a DEM.
The DSM is an elevation surface created by using the maximum z value to depict the tallest features on the landscape (i.e. tops of buildings, trees, powerlines, etc.).
L-1 Concept of Digital Elevation Model and How It Is Represented
Blender GIS: animating a digital elevation model
Digital elevation model | DEM | DSM | DTM | What is Digital elevation model
Frequently Asked Questions
, or more generally to the digital elevation model (DEM).
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