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i.rgb.his - Transforms raster maps from RGB (Red-Green-Blue) color space to HIS
(Hue-Intensity-Saturation) color space.


imagery, color transformation, RGB, HIS, IHS


i.rgb.his --help
i.rgb.his red=name green=name blue=name hue=name intensity=name saturation=name
[--overwrite] [--help] [--verbose] [--quiet] [--ui]

Allow output files to overwrite existing files

Print usage summary

Verbose module output

Quiet module output

Force launching GUI dialog

red=name [required]
Name of input raster map (red)

green=name [required]
Name of input raster map (green)

blue=name [required]
Name of input raster map (blue)

hue=name [required]
Name for output raster map (hue)

intensity=name [required]
Name for output raster map (intensity)

saturation=name [required]
Name for output raster map (saturation)


i.rgb.his is an image processing program that processes three input raster map layers as
red, green, and blue components and produces three output raster map layers representing
the hue, intensity, and saturation of the data. The output raster map layers are created
by a standard red-green-blue (rgb) to hue-intensity-saturation (his) color transformation.
Each output raster map layer is given a linear gray scale color table. The current
geographic region definition and mask settings are respected.

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