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Could you tell me from where can I get the Digital Elevation Model data in the .DEM file extension? The option for QGIS here: https://www.qgistutorials.com/en/docs/working_with_terrain.html shows the USGS way, but there is an option for GeoTIFF only. For my purpose (terrain analysis in the Kasmir 3D software I need it in the .DEM version.

All links provided there are inactive, which is out of wonders since the data comes from 2004 year.

Could anyone share some hints?

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Geospatial Data Abstraction Library (GDAL) will allow you to convert many open raster file types to a USGS DEM. The QGIS GDAL processing toolbox has a tool called Translate (convert formats). Translate (convert formats) allows you to choose USGS DEM as the output.

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  • There is no "COnvert format" in the SAGA. It appears in the GDAL, however the output file is still tif. I found something here: freegeographytools.com/2010/… sagatutorials.wordpress.com/… and I will try these solutions. Anyhow if you know how to find it easily, I appreciate in advance :)
    – Geographos
    Jan 30, 2020 at 15:12
  • OK, there is a multitute of options, while .dem and .asc
    – Geographos
    Jan 30, 2020 at 15:48
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    @Mariusz Krujar - Your right, Translate is not in the SAGA processing window it is in GDAL. My bad. I have edited may answer. I just tried converting an ESRI GRID to DEM, and a single band TIF, and both worked just fine in outputting to DEM. Can you make your data available? If so, I can give it a try.
    – GBG
    Jan 30, 2020 at 15:53
  • Basically I downloaded the DEM from USGS in the Tiff version. Unfortunately, the QGIS probably doesn't transform it correctly as I am getting the file corrupted in the Kashmir 3D software.
    – Geographos
    Jan 30, 2020 at 17:20

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