How do I convert an SRTM GeoTIFF image with embedded elevation data into a grid?

Occurrence

SRTM GeoTIFFs often have elevation data embedded in the image file (e.g from http://srtm.csi.cgiar.org/SELECTION/inputCoord.asp).
Discover can extract this information, creating a grid that can be contoured and manipulated by the Surfaces menu (accessed via the Discover>Surfaces menu option).

Solution

Simply use File>Open>Grid Image .


Alternatively, download SRTM data in an Arcinfo ASCII format, which can also be opened directly from the File>Open>Grid Image.

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Last Updated on: 22nd of September, 2009