Imagery

DEM – Topography

Whether conducting environmental studies, planning an infrastructure network, analyzing terrain features for oil and gas exploration: accurate terrain height information is critical.

Access data from any place in the world almost immediately, at low cost and regardless accessibility conditions of the area of interest.

With five core product levels GEO Elevation simplifies access and use of elevation data and provides exactly the right models for all project requirements.

Elevation 30
  • Pixel size: 30m
  • Vertical accuracy: 8m
  • Relative horizontal accuracy: 5m
  • Based on SPOT optical imagery
  • Minimum area: 3000km2
  • Almost instantaneous availability
Elevation 10
  • Pixel size: 10m
  • Vertical accuracy: <5m
  • Relative horizontal accuracy: <5m
  • Based on Radar imagery
  • Minimum area: 500km2
Elevation 8
  • Pixel size: 8m
  • Relative vertical accuracy: 3m
  • Relative horizontal accuracy: 2m
  • Based on SPOT 6 optical imagery stereo/tristereo
  • Minimum area: 1000km2
Elevation 4
  • Pixel size: 4m
  • Relative vertical accuracy: 2m
  • Relative horizontal accuracy: 1.5m
  • Based on Pléiades optical imagery stereo/tristereo
  • Minimum area: 100km2
Elevation 1
  • Pixel size: 1m
  • Relative vertical accuracy: 1.5m
  • Relative horizontal accuracy: 1.5m
  • Based on Pléiades optical imagery stereo/tristereo
  • Minimum area: 100km2
WorldDEM (in brief)
  • Pixel size: 12m
  • Relative vertical accuracy: 2m
  • Based on Radar imagery (TanDEM-X mission)

*90% precision on every product.

DEMaltimetria
WORLDEM – Digital Elevation Model on Monte Cotugno lake, Potenza, ITaly.