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 06:23:30 -0700 (Sun, 04 Sep 2011) $

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