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How can i add an Expression to define OutRender Point like the tag with letter “N”?
Actually i want to create a dropdown menu to select different comps and activate / deactivate the selected comp. But the problem is that each comp, have different render frames, and i want to define the OUT Render time with an expression when i select that comp in the dropdown menu.
For example: DROPDOWN MENU: COMP 1, COMP 2, COMP 3.
COMP 1 have 200 frames for render and the output in render i need is exactly that 200 frames
COMP 2 have 500 frames for render and the output in render exactly 500 frames.
bla bla bla ETC.
Pls help.
Any idea????
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10 Replies
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You can calculate the number of frames of each comp like this:
var curCompFrames = curComp.duration/curComp.frameDuration;
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But where i apply that Expression???
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How are you creating the dropdown menu?
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im just turn on / off different comps in the dropdown menu, but each comp have different number of frames, so when i select one option in the dropdown menu i want to change the in/out render trim (i dont know what is the name of that render bar).
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It’s a little confusing what are you trying to achieve. What “dropdown menu” are you talking about? In advance I can tell you that you can only change the in/out point of the work area by hand or by script, not by expressions. If you can give more info about your project, maybe I can help 😉
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Ok, here is the .AEP 9930_test.aep.zip
I want to change the render time depending on the dropdown menu selection.
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The file give me a message of a missing effect called “Dropdown”, I never heard about that effect/plugin and I cant’t find anithing about it on the web, so I can¡’t help you with that effect. What I can tell you is that if that effect dont have that trim functionality you must go on scripting.
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That effects its a pseudo effect, the missing alert doesnt matter because as you can see that effects is working perfectly.
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Yes, I can see is a script generated dropdown menu, that simply changes the opacity of the layers by a expression on such property, so you cant achieve what you are trying because YOU CAN’T CHANGE THE IN/OUT points of the work area by expressions.
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well thank you anyway. NP, but is there an expression to trim?? or otherway to resolve that?
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