[GRASS-web] Algorithm

[Helmut Kudrnovsky]

Miriam Mziray Dalseg wrote
> Hei! I was wondering if there is any documentation on how GRASS/GDAL
> calculates slope in QGIS? I'm looking for algorithms, but I can't find it.
> Looking for something similar to what ArcMap has:
> http://desktop.arcgis.com/en/arcmap/10.3/tools/spatial-analyst-toolbox/how-slope-works.htm.
> I'm looking for more documentation than what I can find on
> https://grass.osgeo.org/grass70/manuals/r.slope.aspect.html and
> documentation on algorithms.

as GRASS GIS is open source software, the source code of r.slope.aspect is
accessible at:

https://trac.osgeo.org/grass/browser/grass/trunk/raster/r.slope.aspect




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best regards
Helmut
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