r.blend.1grass - Man Page

Blends color components of two raster maps by a given ratio.


raster, composite


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



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


Allow output files to overwrite existing files


Print usage summary


Verbose module output


Quiet module output


Force launching GUI dialog


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


Percentage weight of first map for color blending
Options: 0-100
Default: 50


r.blend blends color components of 2 raster maps by a specificed percentage of the first map.


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


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

Source Code

Available at: r.blend source code (history)

Accessed: Saturday Jan 21 20:41:01 2023

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