Drohnenwissen
What is a digital terrain model (DTM) and digital surface model (DOM)?
The digital terrain model (DTM) describes only and exclusively the earth's surface. It is also known as the Digital Terrain Model (DTM). The Digital Surface Model (DOM), on the other hand, also takes into account foreign objects such as trees and buildings.This means that the DTM must be derived from the DOM by filtering out all non-earth points.
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