r.his
r.his - Generates red, green and blue raster map layers combining hue, intensity and saturation (HIS) values from user-specified input raster map layers.
Raster (r.*)
ParameterRaster|h_map|Name of layer to be used for HUE|False
ParameterRaster|i_map|Name of layer to be used for INTENSITY|False
ParameterRaster|s_map|Name of layer to be used for SATURATION|False
ParameterBoolean|-n|Respect NULL values while drawing|False
OutputRaster|r_map|Name of output layer to be used for RED
OutputRaster|g_map|Name of output layer to be used for GREEN
OutputRaster|b_map|Name of output layer to be used for BLUE