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Activity Forums Adobe After Effects Expressions Help with Expression

  • Help with Expression

    Posted by Julio Crespo on September 4, 2006 at 8:26 pm

    I need to make an expression to control the opacity of two layer, I need when layer1 have a 100% the layer2 have 0% and when I decrease the layer1 the olayer2 increase with numerical realtion. ex when layer1 have 75% the layer2 have 25%. any idea???

    Julio Crespo replied 19 years, 8 months ago 2 Members · 2 Replies
  • 2 Replies
  • Steve Roberts

    September 4, 2006 at 8:35 pm

    In AE 7, the layer 2 opacity expression is:

    100-thisComp.layer(“layer 1”).transform.opacity

    Animate layer 1’s opacity with keyframes.

  • Julio Crespo

    September 6, 2006 at 9:22 pm

    I have AE 6.5

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