Clip alpha type, what is it for?

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0x80
Hasn't felt like this about software in a long time
Posts: 52
Joined: Fri Apr 19, 2013 10:59

Clip alpha type, what is it for?

Post by 0x80 »

Just wondering. I can't seem to find this in the manual.

Straight or premultiplied... when to use what?
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Joris
Doesn't Know Jack about VJ'ing or Software Development and Mostly Just Gets Coffee for Everyone
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Joined: Fri May 22, 2009 11:38

Re: Clip alpha type, what is it for?

Post by Joris »

It depends on whether you created your source content with straight or premultiplied alpha.

In most cases, you're probably using premult.

http://provideocoalition.com/ryoung/sto ... s-straight
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Joris
Doesn't Know Jack about VJ'ing or Software Development and Mostly Just Gets Coffee for Everyone
Posts: 5185
Joined: Fri May 22, 2009 11:38

Re: Clip alpha type, what is it for?

Post by Joris »

Actually, this is probably a better link: http://www.cgdirector.com/quick-tip-str ... ied-alpha/
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0x80
Hasn't felt like this about software in a long time
Posts: 52
Joined: Fri Apr 19, 2013 10:59

Re: Clip alpha type, what is it for?

Post by 0x80 »

Yes that last link made it clear for me, thanks!
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