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Activity Forums Adobe After Effects newbie question- using LW footage in AE 6.5

  • newbie question- using LW footage in AE 6.5

    Posted by Joe Kupka on May 29, 2009 at 12:47 am

    Rendered a Lightwave animation into a QT movie. This used a photograph bkgd, an animated model in front, and a mask/alpha in front of that for the model to pass behind.
    The movie plays fine in Quicktime, but when brought into AE 6.5 as footage, only the clipped foreground shows up, no animation or bkgd.
    As an AE newbie, I’m sure I’m missing something. Thanks in advance.

    Curt Thackeray replied 17 years, 2 months ago 2 Members · 4 Replies
  • 4 Replies
  • Curt Thackeray

    May 29, 2009 at 1:12 am

    Not sure how you rendered out the Quicktime.. Did you embed the alapha of the foreground into it? What I think it’s doing is.. reading the alpha.. and ignoring the BG. If you get the alpha dialog in AE.. asking if you want it straight or pre-multiplied.. well, whatever you choose.. it’s going to read the foreground image as a layer with NO BG, no matter what you have there.

    You could render out all your elements separately.. that way, you can just throw them in as individual layers in AE.

    Hope this helps.

  • Joe Kupka

    May 29, 2009 at 1:17 am

    Okay… backing up a step, if you’re familiar with Lightwave, is there a setting to “flatten” the elements at render time? I’ve not seen one, but this is the first time I’ve tried to bring an animation into a program like AE (and thanks for the quick reply)

  • Joe Kupka

    May 29, 2009 at 1:38 am

    Is there an option in Lightwave to “flatten” the elements at render time ( are you familiar with LW)?

  • Curt Thackeray

    May 29, 2009 at 6:23 pm

    Hmmm.. No.. I’m not actually familiar with LW. I work in 3D Studio Max. But no matter what program you use.. if you EMBED the alpha of the foreground into the Quicktime.. you will not see your background, once you import it into AE. If you just want it flat.. then don’t include ANY alpha channels. If you need to have that alpha.. then I suggest that you render out all elements separately (FG, BG.. and whatever else in LW), composite all layers in AE.. and render out your final from AE.

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