Download Digital Elevation Models (DEM)

To create our model in DEMto3D we need the elevation data of an area. Many of these data are available online and are free. Depending on which area of ​​the Earth we want to print, we will find diferent resolution data. The higher the data resolution , more details of the terrain can be printed. we can find from LIDAR data with 0.5 meter resolution to data collected by satellites with 100 m resolution.

Earth Explorer

Some of the elevation data that can be found in this web service with global coverage are:

Shuttle Radar Topography Mission (STRM)
  • Coordinates : Latitude and Longitude
  • Reference system : WGS84/EGM96 (EPGs:4326)
  • Vertical units : Meters
  • Spatial resolution : 1 arc-sec (~ 30 meters) / 3 arc-sec (~ 90 meters)
  • Coverage : 60 degrees North – 54 degrees South
Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER)
Global Digital Elevation Model (GDEM)
  • Coordinates : Latitude and Longitude
  • Reference system : WGS84/EGM96 (EPGs:4326)
  • Vertical units : Meters
  • Spatial resolution : 1 arc-sec (~ 30 meters)
  • Coverage : 83 degrees North – 83 degrees South

OpenTopography

Here we find elevation LIDAR data mainly from USA

National Geographic Institute (IGN)

In the download center of IGN are availables digital elevation models of Spain with resolutions from 200 meters to LIDAR data 5 meters.

3 thoughts on “Download Digital Elevation Models (DEM)”

  1. Hi Fernando, both ASC format, and Geotiff, are read by kosmo (for large areas downloading data format ASC, has given me problems and has not been downloaded successfully). The reference system in which data is WGS84 are having the EPSG code: 4326.

    Regards.

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