r.rescale
r.rescale - Rescales the range of category values in a raster map layer.
Raster (r.*)
ParameterRaster|input|Name of input raster map|False
ParameterRange|from|The input data range to be rescaled (default: full range of input map)|
ParameterRange|to|The output data range|a,d
OutputRaster|output|Name for output raster map