r.stream.extract r.stream.extract - Stream network extraction Raster (r.*) ParameterRaster|elevation|Input map: elevation map|False ParameterRaster|accumulation|Input map: accumulation map|True ParameterRaster|depression|Input map: map with real depressions|True ParameterNumber|threshold|Minimum flow accumulation for streams|1.0|None|0.1 ParameterNumber|mexp|Montgomery exponent for slope|0|None|0 ParameterNumber|stream_length|Delete stream segments shorter than cells|0|None|0 ParameterNumber|d8cut|Use SFD above this threshold|0|None|0 OutputRaster|stream_rast|Output raster map with unique stream ids OutputVector|stream_vect|Output vector with unique stream ids OutputRaster|direction|Output raster map with flow direction