Hot answers tagged dted
in qgis, you can see your dted files as contour map or hillshade map, if it helps. for converting your file to contour: Raster → Extraction → Contour for converting it to hillshade: Raster → Analysis → DEM (Terrain Models). This examples from Paulina Fernandez Luengo which shows hillshade and contour map together. i hope it helps you...
GRASS GIS supports about 80 raster formats including various DEM and DTED formats. You can do it all via a convenient wizard: http://grasswiki.osgeo.org/wiki/GRASS_Location_Wizard#Import_raster_data
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