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NAME

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

KEYWORDS

       imagery, color transformation, RGB, HIS, IHS

SYNOPSIS

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

   Flags:
       --overwrite
           Allow output files to overwrite existing files

       --help
           Print usage summary

       --verbose
           Verbose module output

       --quiet
           Quiet module output

       --ui
           Force launching GUI dialog

   Parameters:
       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)

DESCRIPTION

       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.

SEE ALSO

       i.his.rgb

AUTHOR

       David Satnik, GIS Laboratory, Central Washington University,
       with acknowledgements to Ali Vali, Space Research Center, for the core routine.

       Last changed: $Date: 2016-01-28 12:21:34 +0100 (Thu, 28 Jan 2016) $

SOURCE CODE

       Available at: i.rgb.his source code (history)

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