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Not Outputting Alpha Channel

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Caleb Armstrong
Not Outputting Alpha Channel
on Nov 4, 2008 at 7:43:31 pm

For some reason AE isn't outputting an Alpha channel when I render. I've got it set up to render with "RGB+Alpha" but every time that I render out and throw it into my FCP timeline I get a flat black background. All that I have are a few animated circles - nothing major, I don't even have a black solid in there anywhere.

Any ideas?

Thanks again for the hard work and advice!

point9@gmail.com


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Jason Milligan
Re: Not Outputting Alpha Channel
on Nov 4, 2008 at 7:49:26 pm

What codec are you rendering to?



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Caleb Armstrong
Re: Not Outputting Alpha Channel
on Nov 4, 2008 at 8:07:48 pm

I'm using the animation codec. I haven't changed my procedures at all and I've never had this problem before which is why I'm so befuddled as to what I'm doing wrong.

point9@gmail.com


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Paul Conigliaro
Re: Not Outputting Alpha Channel
on Nov 4, 2008 at 7:58:57 pm

In FCP, what is the Alpha set to? Scroll to the right in the browser until you see the Alpha column. Make sure it's not set to None/Ignore.

That's the only thing I can think of. Odd.



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Caleb Armstrong
Re: Not Outputting Alpha Channel
on Nov 4, 2008 at 8:52:03 pm

Nope, the Alpha type is set to straight. Pixel AR wouldn't have anything to do with it, would it? If the sequence settings between the clip and the FCP sequence weren't the same would it affect the alpha?

Weirdness.

point9@gmail.com


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