r.fill.dir
Filters and generates a depressionless elevation layer and a flow direction layer from a given elevation raster layer.
Raster (r.*)
ParameterRaster|input|Elevation|False
ParameterSelection|type|Output aspect direction format|grass;agnps;answers
OutputRaster|elevation|Depressionless DEM
OutputRaster|direction|Flow direction
OutputRaster|areas|Problem areas