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Activity Forums Adobe After Effects Corner Pin a Mask

  • Corner Pin a Mask

    Posted by Guy Hancock on March 14, 2011 at 5:25 pm

    So I have some phone footage – I’m trying to isolate part of this and comp it onto another phone plate.

    I can mask the area I want but I can’t use the corner pin tool very well because it will always use the original comps four corners. It helps if I precompose the layer and shrink it down to the desired size but this doesn’t help much when the phone footage is at a sharp angle.

    Is there any way the corner pin effect can be applied to a rectangular mask?

    Many thnaks in advance.

    Sabri Liefert replied 14 years, 4 months ago 2 Members · 1 Reply
  • 1 Reply
  • Sabri Liefert

    January 3, 2012 at 7:31 am

    I have exactly the same problem.
    I want to distort a small shape path like a trapezoid. A simple perpective distortion.

    So the pins of the corner pin effect has to be exactly on two corners of the shape. Thats only possible if i reduce the composition like you discribed. But if the shape is not parallel to the rectangular compostion window – that dont work.

    I wonder if there is not a simpler solution. I tried other conrner pin effects like CC Power Pin and BCC Corner Pin but did´nt find a way.

    Also there is a free transform tool in AE. But i can´t apply it to the shape path?

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