DTM

DTM

A DTM model of the earth's surface represented by masspoints and breaklines. A DTM is more rigorous and densely collected when compared to a DEM. A DEM does not support contour modeling and is primarily used for orthorectification of aerial photography to the earth's surface. A Digital Terrain Model (DTM) is more refined 3D model of the earth's surface and can be used for accurate contour modeling and can also be used for orthorectification.


World Elevation SRTM XSAR

World Elevation SRTM XSAR

World DEM XSRT 30/90 meter resolution data   We have collected 9,345 individual JPEG2000 ..

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