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Automatic Matte Key
Whenever I import an image with an Alpha into Avid and I have “use existing” selected (in the alpha options panel), it automatically tries to pull a matte key on the image. While I can see the benefit of this, I do not want it to do that. I wish to use just the alpha channel (ie, view RGB and A separately in an edit). Is there a way to tell it to not pull a matte key automatically, or remove the matte key after I import the image? The alternative would be to open up the images separately and save out a separate alpha as a jpeg file, but this is less than desirable.
Thanks!
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2 Replies
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You can select to ignore the alpha, but I don’t believe that you can import ONLY the alpha. Once you import the image with alpha you can step into the matte key and there you have your matte and fill on 2 different tracks, if that helps. It sounds like you might be new to avid, so I don’t know if you know this, but the alpha coming into avid usually has to be inverted (avid treats black as fill and white as matte I believe), so if you aren’t doing that you may be getting some screwy results.
Hope this helps.
-Todd Beabout
Vazda Studios -
usually in this example your matte track will be locked but you can still subclip the contents of the matte and fill track and then just cut your imported matte only into your edit on the master timeline. I would beware of doing this as it could well restrict batch import if you were to revisit the project after deleting the media.
Paul
Freelance DS/Symphony
London
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