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NAME

r.blend - Blends color components of two raster maps by a given ratio.

KEYWORDS

raster

SYNOPSIS

r.blend
r.blend help
r.blend first=name second=name output_prefix=name [percent=integer] [--verbose] [--quiet]

Parameters:

first=name [required]
Name of first raster map for blending
second=name [required]
Name of second raster map for blending
output_prefix=name [required]
Prefix for red, green and blue output raster maps containing
percent=integer
Percentage weight of first map for color blending
Options: 1-99
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 rast=aspect -p
r.blend first=aspect second=elevation output_prefix=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.shadedmap,
g.region,
r.mapcalc,
r.colors,
r.support



AUTHOR


Unknown: probably CERL

Updated to GRASS 5.7 by Michael Barton, Arizona State University


Last changed: $Date: 2011-11-08 13:24:20 -0800 (Tue, 08 Nov 2011) $



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