r.rgb (1)
NAME
r.rgb - Splits a raster map into red, green and blue maps.
KEYWORDS
raster, RGB, separate, split
SYNOPSIS
r.rgb
r.rgb --help
r.rgb input=name [red=name] [green=name] [blue=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:
input=name [required]
Name of input raster map
red=name
Red channel raster map name
green=name
Green channel raster map name
blue=name
Blue channel raster map name
DESCRIPTION
r.rgb generates separate red, green and blue maps from a raster map and its associated color table (grey255).
EXAMPLE
g.region raster=elevation -p
r.rgb input=elevation red=elevation.r green=elevation.g blue=elevation.b
In this case r.rgb produces in the current mapset three new raster maps - 'elevation.r', 'elevation.g', 'elevation.b'.
SEE ALSO
r.composite, r.blend, r.colors, r.mapcalc
AUTHOR
Glynn Clements
Last changed: $Date: 2016-03-18 15:09:00 +0100 (Fri, 18 Mar 2016) $
SOURCE CODE
Available at: r.rgb source code (history)
Main index | Raster index | Topics index | Keywords index | Graphical index | Full index
2003-2017 GRASS Development Team, GRASS GIS 7.2.1 Reference Manual