NAME
rgb.hsv.sh - Converts RGB (red, green, and blue) cell values
to RGB (red, green, and blue) values.
(GRASS Shell Script)"
SYNOPSIS
rgb.hsv.sh file1 file2 file3
DESCRIPTION
rgb.hsv.sh
is a Bourne shell (sh(1)) program which converts RGB values to HSV using
r.mapcalc.
The Foley and Van Dam algorithm is the basis for the
program.
Input must be three raster files - each file supplying the RGB values.
Three new raster files are created representing HSV.
NOTES
Do not use the same names for input and output.
FILES
This program is simply a shell script stored under the
$GISBASE/scripts directory. The user is encouraged to
examine the shell script programs stored here and to
produce other such programs.
SEE ALSO
hsv.rgb.sh
AUTHOR
James Westervelt, U.S.Army Construction Engineering
Research Laboratory