Version 2 (modified by adbe, 12 years ago) (diff)


DEM scripts

This page details and explains the use of the DEM creation scripts:

The scripts listed are written in bash.

These scripts are used to create a DEM from LiDAR and elevation model tiles. The scripts use grass GIS to read in the elevation tiles and perform patching and various other operations on the data to create a DEM. GRASS is a GIS (Geograohic Information System) and details of it can be found at: There is a detailed api and usage guide, it is available for free download at:

Creating a DEM from ASTER data using script

ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) is a sensor on the Terra satellite, ASTER is partly being used to obtain elevation maps. The ASTER version 1 have an approximate resolution of 30 metres, version 2 however has an approximate resolution of 15 metres.

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