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Activity Forums Adobe After Effects Mask that follows an edge

  • Mask that follows an edge

    Posted by Elizabeth Winter on July 1, 2009 at 6:48 pm

    Hi, I’m trying to mask out the lenses of a man’s sunglasses. I have duplicated the footage layer twice (once for each lens) and darkened the masks so you can’t see the cameraman who is refelcted in the original lenses.

    The problem: the man moves his head around a lot so I have to keyframe the masks every one or two frames. The glasses frames are much lighter than the lenses so there is a distinct border there. Is there a way to glue the keyframes to this border so that they follow the movement automatically?
    Thank you for any advice.

    Elizabeth Winter replied 16 years, 10 months ago 29,116 Members · 1 Reply
  • 1 Reply
  • Elizabeth Winter

    July 1, 2009 at 8:05 pm

    Thank you, I haven’t tested Mocha out yet but seems like high time I did!

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