r.rgb(1grass)

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’.

AUTHOR

Glynn Clements

SOURCE CODE

Available at: r.rgb source code (history)

Accessed: Monday Feb 24 17:51:45 2025