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Activity Forums Adobe After Effects photoshop layer as mask?

  • photoshop layer as mask?

    Posted by Jason Mcgivern on September 24, 2009 at 4:22 am

    So here’s what I’ve got going on now. Please advise on a better way to do this.

    I want three independent, animated panels to act as masks over a piece of video – much like a comic book. Normally I would think about adding masks to the video layer in AE, but I want grunged/frayed edges.

    So I downloaded some nice brushes for photoshop and created my edge.

    The in AE I set up the following for one panel test:

    1. GrungeFrame (a thin fuzzy border) – Mode> Overlay – Parent> Rectangle

    2. Rectangle (this would normally be the mask)

    3. VideoFootage – TrkMat> AlphaMatte “Rectangle”

    This works nice for one panel, but obviously I can’t add more to the same video footage with this method, I assume you only can have one layer for your TrkMat. So there must be another solution. I think pre-composing and adding 3 720p footage layers would kill performance?

    Any help appreciated.

    Jason Mcgivern replied 16 years, 10 months ago 30,360 Members · 1 Reply
  • 1 Reply
  • Jason Mcgivern

    September 24, 2009 at 8:20 pm

    Hey – KCRG! I grew up watching you folks!

    Thanks for the advice, I try now.

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