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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)

Accessed: Tuesday May 14 13:42:01 2024

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© 2003-2024 GRASS Development Team, GRASS GIS 8.3.2 Reference Manual

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