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Activity Forums Adobe After Effects Expressions Can i control the Alpha Matte ?

  • Miguel De mendoza

    September 15, 2016 at 5:00 pm

    If your mate is inside of a comp, you can add a solid inside and write this expression on opacity:

    on = comp("where the checkbox is").layer("checkbox layer").effect("Checkbox Control")("Checkbox");
    if(on) { 100 } else {0}

  • Liberi Bram

    September 16, 2016 at 3:21 am

    okay thanks!

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