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 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

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: Monday Feb 24 17:51:44 2025