Generate 3D Digital Terrain Maps using free digital elevation model (DEM) data from the USGS, NIMA, EOS-EDC, GLCF, World Wind, JPL and other sources. Learn to render them using POV-Ray, MicroDem, Terragen, 3DEM, Global Mapper, Arc Explorer, Multispec and other free or low cost applications. Convert data using GEOTIFF, BANDPASS, DEM2TGA7, DEM2POV2, MDEM2DEM, SDTS2DEM, BLACKART and other applications offered for free download.
