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Bad looking movie with alpha channel
Hi, I’m having problems outputting a movie with a alpha channel. I tried both animation and targa outputs which look fine outside of AE in Quicktime player but look terrible once they are imported back into AE. Any ideas?
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3 Replies
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When you bring them back in they are being interpreted correctly, yes?
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Can you tell me what the correct interpretation would be for a TARGA movie? ALso, what would be the correct interpretation for a Flash movie be? I am a bit perplexed by the choices.
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Well, the ‘correct’ interpretation varies depending on what TYPE of alpha was exported with the image (or animation).
AE allows for 3 options: no alpha, premuliplied alpha and straight alpha.
On import to AE,….under the ‘interpret footage’ dialog you can select either premult or straight.
A .tga can be either. An SWF? That is a bit more complex,….not even sure .swf supports transparency….at one time it did not,…it might now.
Import your .tga, place it in a timline over another layer or colored bg and then try interpreting it as straight or premultiplied. If NEITHER option gives you a clean key then please post and describe what you are seeing? Perhaps the image does not even contain an alpha?…..
More detail would help……….
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