r.slope.aspect
r.slope - Generates raster maps of slope from an elevation raster map.
Raster (r.*)
ParameterRaster|elevation|Elevation|False
ParameterSelection|precision|Data type|FCELL;CELL;DCELL|0
*ParameterBoolean|-a|Do not align the current region to the elevation layer|False
ParameterNumber|zscale|Multiplicative factor to convert elevation units to meters|None|None|1.0
ParameterNumber|min_slope|Minimum slope val. (in percent) for which aspect is computed|None|None|0.0
OutputRaster|slope|Slope