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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, composite

SYNOPSIS

r.blend
r.blend --help
r.blend [-c] first=name second=name output=basename [percent=float] [--overwrite] [--help] [--verbose] [--quiet] [--ui]

Flags:

-c

Combine resulting R,G,B layers into single output map
--overwrite

Allow output files to overwrite existing files
--help

Print usage summary
--verbose

Verbose module output
--quiet

Quiet module output
--ui

Force launching GUI dialog

Parameters:

first=name [required]

Name of first raster map for blending
second=name [required]

Name of second raster map for blending
output=basename [required]

Basename for red, green and blue output raster maps
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 raster=aspect -p
r.blend first=aspect second=elevation output=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.shade, g.region, r.shade, r.colors, r.his, r.mapcalc, r.rgb, r.support

AUTHOR

Unknown: probably CERL
Updated to GRASS 5.7 by Michael Barton, Arizona State University

Last changed: $Date: 2016-03-18 15:09:00 +0100 (Fri, 18 Mar 2016) $

SOURCE CODE

Available at: r.blend source code (history)

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© 2003-2016 GRASS Development Team, GRASS GIS 7.2.0 Reference Manual

GRASS 7.2.0