r.blend.1grass man page

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 15:09:42 +0100 (Fri, 18 Mar 2016) $

Main index | Raster index | Topics index | Keywords index | Full index

© 2003-2016 GRASS Development Team, GRASS GIS 7.0.4 Reference Manual

Info

GRASS 7.0.4 Grass User's Manual