r.slope.aspect
r.aspect - Generates raster maps of aspect from a elevation raster map.
Raster (r.*)
ParameterRaster|elevation|Elevation|False
ParameterSelection|prec|Data type|float;double;int
ParameterNumber|zfactor|Multiplicative factor to convert elevation units to meters|None|None|1.0
ParameterNumber|min_slp_allowed|Minimum slope val. (in percent) for which aspect is computed|None|None|0.0
OutputRaster|aspect|Output aspect layer