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Transparent alpha Channel problem going from AE to FCP, I am pulling my hair out.

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Jordan ScheveneTransparent alpha Channel problem going from AE to FCP, I am pulling my hair out.
by on Apr 29, 2012 at 7:24:06 pm

Maybe I am a perfectionist and should except good enough. If, however, you can help me with this I would be most grateful.

My AE graphics with transparent backgrounds show up with a slight dark outline when in FCP. I have read all the forums and

Rendar Settings in AE CS4:
Animation
RGB+Alpha
Millions of Colors
Straight (Unmatted)

FCP Settings:
Alpha Type straight
Prores422 timeline 29.97fps


Please someone tell me if there is a solution. I have been reading and reading and reading the forums, and can't get the perfection I am looking for. HELP!!

Thanks,

Jordan Schevené
Boulder Productions
Accelerating innovative business through film
http://www.boulderproductions.com


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Tudor "Ted" JelescuRe: Transparent alpha Channel problem going from AE to FCP, I am pulling my hair out.
by on Apr 29, 2012 at 8:11:33 pm

It looks like it's a premultiplication issue - try rendering premultiplied in AE.

Tudor "Ted" Jelescu
Senior VFX Artist


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John CuevasRe: Transparent alpha Channel problem going from AE to FCP, I am pulling my hair out.
by on Apr 29, 2012 at 10:11:04 pm

To add to what Ted suggested, if you have glows I would suggest changing the background color of your comp(cntl + K) to a color that's similar to your glow color. Often if I'm rendering text with a glow with a straight alpha as the alpha fades off I pick up black outlines. By changing the background color and using a pre-multiplied alpha as the alpha fades in the glow area it picks up a color similar to your glow rather than black.

Least that how it works on an avid.

Johnny Cuevas, Editor
Thinkck.com

"I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work."
---THOMAS EDISON on inventing the light bulb.


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