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Activity Forums Adobe After Effects Masking question…

  • Masking question…

    Posted by Jim Bond on January 10, 2015 at 6:28 am

    Let’s say I have two shapes. A circle and a line.

    I want the line to be unseen until it rotates in front of the circle.

    Every time I create a shape to mask the line, it matches the rotation of the line.

    I’d like the mask to stand completely still, while the line rotates independently.

    This takes about 1 second to do in photoshop…

    How do I do this in AE?

    Any help would be greatly appreciated.

    Thanks.

    Adam Farron replied 11 years, 6 months ago 4 Members · 4 Replies
  • 4 Replies
  • Tudor “ted” jelescu

    January 10, 2015 at 5:20 pm

    Not quite sure I understand what you’re trying to do, but a mask only moves if you animate it.

    Tudor “Ted” Jelescu
    Senior VFX Artist

  • Walter Soyka

    January 10, 2015 at 6:33 pm

    Don’t use a mask for this; use a track matte [link].

    Walter Soyka
    Designer & Mad Scientist at Keen Live [link]
    Motion Graphics, Widescreen Events, Presentation Design, and Consulting
    @keenlive   |   RenderBreak [blog]   |   Profile [LinkedIn]

  • Jim Bond

    January 10, 2015 at 8:42 pm

    Ah ok. I was looking in the wrong place. Thanks.

  • Adam Farron

    January 10, 2015 at 11:52 pm

    Try rotobrush. It works wonders on pretty much anything.

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