If you have a GeoTIFF file that contains Z values (such as an SRTM DEM file in GeoTIFF format), you can use this file directly in place of a grid file wherever a grid file is used. This function is only available in Surfer versions 9 and higher. Surfer 8 and previous versions of Surfer ignore any Z data in an image file and you can only load it as a base map.
- Click Home | New Map | Contour
- In the Open Grid dialog select All Files from the Files of type drop down menu.
- Select the TIF file and click Open. The contour map is created from the TIF file.
Updated October 25, 2018
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