On 16-6-2018 9:58, clipka wrote:
> I guess what you mean are HiRISE DTM (Digital Terrain Models)
> /generated/ from the HiRISE data proper. From what I could find, the DTM
> format is a "32-bit [...] PDS standard raster file format."
> 
> If you really want this to be implemented, you can help a lot by digging
> on the internet for a detailed description of the file format;
> unfortunately I don't have the time for that.
> 

  I remember that, more than 20 years ago, I modelled height_fields 
derived form DEM (Digital Elevation Model) GIS data I got from the USGS. 
The data had to be converted first using an application provided by 
USGS, iirc.

It seems that DTM is also GIS-based; see for instance: 
https://gisgeography.com/dem-dsm-dtm-differences/

-- 
Thomas

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