Mathematica can import common terrain elevation files and render them as topographic maps. It can also import geospatial information formats that combine layers of raster, vector, and textual information.
Terrain Elevation Formats
"USGSDEM" — USGS ASCII DEM digital elevation file (.dem)
"GTOPO30" — USGS global topographic data (.dem)
"CDED" — Canadian digital elevation data (.dem)
"SDTS" — SDTS digital elevation files
"SDTS" — SDTS DLG spatial data transfer standard
"Data" — array of elevation samples
"Graphics" — topographic data rendered as a
ReliefPlot"Rules" — rules for all elements
"Elements" — all available elements
