r.blend (1)
NAME
r.blend - Blends color components of two raster maps by a given ratio.
KEYWORDS
raster, composite
SYNOPSIS
r.blend
r.blend --help
r.blend [-c] first=name second=name output=basename [percent=float] [--overwrite] [--help] [--verbose] [--quiet] [--ui]
Flags:
-c
Combine resulting R,G,B layers into single output map
--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:
first=name [required]
Name of first raster map for blending
second=name [required]
Name of second raster map for blending
output=basename [required]
Basename for red, green and blue output raster maps
percent=float
Percentage weight of first map for color blending
Options: 0-100
Default: 50
DESCRIPTION
r.blend blends color components of 2 raster maps by a specificed percentage of the first map.
EXAMPLE
Blending the aspect map with the elevation map for a shaded map (North Carolina sample dataset):
g.region raster=aspect -p
r.blend first=aspect second=elevation output=elev_shade_blend
d.mon wx0
d.rgb blue=elev_shade_blend.b green=elev_shade_blend.g red=elev_shade_blend.r
SEE ALSO
d.shade, g.region, r.shade, r.colors, r.his, r.mapcalc, r.rgb, r.support
AUTHOR
Unknown: probably CERL
Updated to GRASS 5.7 by Michael Barton, Arizona State University
Last changed: $Date: 2016-03-18 15:09:00 +0100 (Fri, 18 Mar 2016) $
SOURCE CODE
Available at: r.blend source code (history)
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2003-2017 GRASS Development Team, GRASS GIS 7.2.1 Reference Manual