r.blend.1grass - Man Page
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 specified 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=elevation r.relief input=elevation output=relief zscale=10 r.blend -c first=elevation second=relief output=blend percent=75
Figure: Elevation blended with shaded relief
See Also
d.shade, g.region, r.shade, r.colors, r.his, r.mapcalc, r.rgb, r.support
Authors
Unknown: probably CERL
Updated to GRASS 5.7 by Michael Barton, Arizona State University
Source Code
Available at: r.blend source code (history)
Latest change: Saturday Jun 10 01:15:54 2023 in commit: f3c6efd1ab6fed713d1dc4a9201f976b26098492
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