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Activity Forums Adobe After Effects Expressions transparency expression

  • transparency expression

    Posted by Mark Cookman on March 31, 2010 at 3:42 pm

    Hello All – I need some help please:
    How can I make Layer 2’s transparency be the inverse of Layer 1?
    ie. when one layer is fully opaque the other is transparent, midway they are both 50% etc.

    thanks
    Mark

    Mark Cookman replied 16 years, 1 month ago 2 Members · 2 Replies
  • 2 Replies
  • Dan Ebberts

    March 31, 2010 at 4:27 pm

    Like this:

    100 – thisComp.layer(“Layer 1”).transform.opacity

    Dan

  • Mark Cookman

    March 31, 2010 at 6:37 pm

    Thanks for your patience Mr E

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