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Change precomp duration and inPoint of following precomps
Hi,
I’m trying to build a script that changes the duration of a precomp and any layers inside it from 1 second to x seconds as an example, while also moving the inPoint of any following precomps or layers so that they don’t overlap.
Attached are two photos of what I want to achieve. I want to change the duration of precomp “Two” from 1 second to 2 seconds and move precomp “Three” to start from the 3rd second instead of the 2nd so they don’t overlap.
I tried changing the inPoint and outPoint of the precomp, but it doesn’t seem to change. Any help or guidance is greatly appreciated.
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3 Replies
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This is very simplified and very specific to your example, but hopefully it gives you the idea:
var mainComp = app.project.activeItem;
var two = mainComp.layer("Two");
two.source.duration = 2;
two.outPoint = 3;
var three = mainComp.layer("Three");
three.startTime = 3;
var twoComp = two.source;
for (var i = 1; i <= twoComp.numLayers; i++){
twoComp.layer(i).outPoint = 2;
} -
Hi Dan, thanks for your reply. I’ve run your script and precomp “Three” was moved correctly, however, the duration of precomp “Two” changed to less than a second. Any idea why this could happen, please? Could it be that duration doesn’t accept seconds? Thanks
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Ah, I hadn’t noticed that your layers have been time stretched to 3.3%, so you’d have to factor that into the calculation of how long to set the duration of the source comp.
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