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r.blend(1grass) Grass User's Manual r.blend(1grass)

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=name [ percent=integer] [--verbose] [-- quiet]

Parameters:

first=name
 
Name of first raster map for blending
second=name
 
Name of second raster map for blending
output=name
 
Base name for red, green and blue output maps containing the blend
percent=integer
 
Percentage weight of first map for color blending
 
Options: 0-99
 
Default: 2

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 x0
 
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: 2011-09-04 15:23:30 +0200 (Sun, 04 Sep 2011) $
 
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GRASS 6.4.2