By the way, I could easily do this by having two markers, "on" and "off" but for practical reasons I really need only one marker to trigger the opacity on and off.Â
It's been a while since I've used AE so I feel a bit rusty.
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I'm trying to use markers to triggers a layer's opacity, which is quite easy, especially when using Dan Ebbert's solution. What I can't manage to do is to use the marker duration to say for how long I want this value to be triggered.
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Here is one example :
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A layer has a marker with "active" as a comment, and 10 frames in the duration field at frame 100, and another marker named "active" with 12 frames duration at frame 200.
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I want to trigger the layers opacity to 100% from frames 100 to 109 and from frames 200 to 211, and have the layer's opacity set to 0% the rest of the time.Â
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Does any of you have a clever solution to do this ?