Note: This document is for an older version of GRASS GIS that is outdated. You should upgrade, and read the current manual page.
NAME
r.blend - Blends color components of two raster maps by a given ratio.
KEYWORDS
raster
SYNOPSIS
r.blend
r.blend help
r.blend [-c] first=name second=name output=name [percent=float] [--verbose] [--quiet]
Flags:
- -c
- Combine resulting R,G,B layers into single output map
- --verbose
- Verbose module output
- --quiet
- Quiet module output
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=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 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: 2012-06-23 01:47:47 -0700 (Sat, 23 Jun 2012) $
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