Hi, For the first three you can look into gdaldem (https://linux.die.net/man/1/gdaldem).
Regards, Laurentiu On Tue, Feb 21, 2023, at 18:38, Roa Carvajal, Camila via gdal-dev wrote: > Hi, > > Recently I used gdaldem to compute slope and aspect from a Digital Elevation > Model. In the past I've used SAGA GIS to compute a more extensive list of > terrain parameters but it uses a large amount of memory for heavy raster > files. So I'm looking for a program (or scripts) that does the computation > with GDAL or an associated project. So far I found some of the computations > are implemented in Grass Gis. > > I would appreciate any information you can provide. > > This is the list of terrain parameters that SAGA computes > (https://saga-gis.sourceforge.io/saga_tool_doc/2.1.3/ta_compound_0.html): > > > • Analytical Hillshading > • Slope > • Aspect > • Plan Curvature > • Profile Curvature > • Convergence Index > • Closed Depressions > • Catchment Area > • Topographic Wetness Index > • LS-Factor > • Channel Network Base Level > • Channel Network Distance > • Valley Depth > • Relative Slope Position > Thanks, > > Camila Roa > Graduate Research Assistant @ GCLab > University of Tennessee > _______________________________________________ > gdal-dev mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/gdal-dev >
_______________________________________________ gdal-dev mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/gdal-dev
