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can't you use a color channel to make an alpha channel?

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mr_gfx
can't you use a color channel to make an alpha channel?
on Feb 16, 2006 at 4:57:39 pm

I thought there was a way to go to the channels palatte and use one of the RGB layers that is high in contrast to derive an alpha from. How do you do that?


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Underbelly
Re: can't you use a color channel to make an alpha channel?
on Feb 17, 2006 at 3:18:39 pm

Can't you dup the channwl and them use channel options to change it?


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