Note: This document is for an older version of GRASS GIS that has been discontinued. You should upgrade, and read the current manual page.

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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

Table of contents

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
r.blend example
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: faef2c661d632baacd67af3257cf69df135362d2

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