r.stream.del r.stream.del - Calculate basins according user input Raster (r.*) ParameterRaster|stream|Input map: stream mask|False ParameterRaster|dir|Input map: flow direction|False ParameterNumber|threshold|Minimum number of cell in stream|1|None|1 ParameterBoolean|-z|Create zero-value background|False OutputRaster|reduced|Output reduced stream map