GRASS logo

Note: A new GRASS GIS stable version has been released: GRASS GIS 7. Go directly to the new manual page here

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: 2013-09-01 00:16:13 -0700 (Sun, 01 Sep 2013) $


Main index - raster index - Full index

© 2003-2016 GRASS Development Team