Data sources
From The GenGIS wiki
Digital Map Data
NASA Shuttle Radar Topography Mission FTP site
GTOPO30 site ([GTOP030_Instruction|Basic Instructions])
Libraries and Supporting Applications
GDAL - The Geospatial Data Abstraction Library
NASA Shuttle Radar Topography Mission FTP site
GTOPO30 site ([GTOP030_Instruction|Basic Instructions])
GDAL - The Geospatial Data Abstraction Library