DEM & 3D data extraction

Gisat offers range of services in the DEM and 3D domain. These may be standalone applications or services combined with orthorectification tasks.

  • DEM generation

    stereophotogrammetry, radargrammetry, ...

  • DEM processing

    elevation point & vector data interpolation, SRTM DEM / ASTER GDEM processing, contour lines or TIN generation, ...

  • DEM side products

    slope & incidence map, incidence angles map, visibility map, shaded relief, volumes & surfaces calculation

  • 3D applications

    terrain visualisation, ...

The example of the shaded relief  for the area of northern Bohemia.