rasgetpal
Description
Given srcfile and dstfile,
rasgetpal will extract the color palette from
srcfile and save it in file dstfile. If the
extension of dstfile is ".txt", the color palette is saved in
textual form. If it is ".pal", the palette is saved in a binary
HDF-compatible format.
Once you have a ".pal" color palette you can use it with NCSA's XImage
or any other application that uses this format of color palette. A
textual color palette can be edited using a standard text editor and
then fed back to ctrans, rasview, or rascat
in order to get a modified color palette. It's also useful when you
simply want to know what's in your color palette. See ras_palette for more information on these
different formats.
Synopsis
rasgetpal [-Version [-help] srcfile
[dstfile]
Options
- -Version
- Print the version number.
- -help
- Print help information.
Example
Let's suppose you have an X Window Dump rasterfile called
window.xwd and you'd like to get a textual copy of the color
palette.
% rasgetpal window.xwd window.txt
% vi window.txt /* edit the color table */
% rasview -pal window.txt window.xwd
You could also use the command below to get the same palette file:
% rasgetpal window.xwd > window.txt
Now suppose you'd like to get an HDF-compatible binary palette
from "window.xwd":
% rasgetpal window.xwd new.pal
Caveats
A color map can be extracted from indexed rasterfiles but not from
direct-color rasterfiles.
See also
rasview, rascat,
rasls, rassplit,
ras_formats, ras_palette
Copyright
Copyright © 1987-1999
University Corporation for Atmospheric Research
The use of this
software and documentation is governed by a License Agreement.