source: 2013/24/AamosR/asteroid/alpha_only.sh @ 4075

Revision 4075, 237 bytes checked in by juiitamm, 8 years ago (diff)

Talletus.

Line 
1#!/bin/bash
2#Gets only the alpha channel.
3#Arguments: input file, output file.
4
5#thanks to
6#http://www.wizards-toolkit.org/discourse-server/viewtopic.php?f=1&t=10155&start=0#p32071
7
8convert $1 -channel matte -negate -separate +matte $2
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