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Update multiple expressions using one master expression? Or a text layer that contains the expression text?
Hope I can phrase this in a way that makes sense. I’m using one of Dan Ebbert’s overshoot expressions to add a subtle overshoot/swing to text layers that are rotating into place. I have lots and lots of text layers, and I want them all to have the same motion. However, if I were to decide later that I want more or less overshoot, or wanted to tweak the motion in any way, I would have to manually copy and paste the updated expression into the rotation property for each individual layer… lots of manual work.
Is there a way to tell a property to use an expression that’s located elsewhere as its own expression? For example, what I tried and failed to do was to write the expression in a text layer, and then use the Source Text property of that text layer as the expression on my rotation. That doesn’t work, but something tells me maybe there’s a way to do something similar? I just want to be able to update a single instance of my expression and have all the other instances mimic it without having to manually replace them. Make sense at all?
Thanks!
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4 Replies
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You can execute an expression saved in the source text of a text layer, like this:
eval(thisComp.layer(“expression text”).text.sourceText.value)
However, it’s not particularly efficient. As an alternative, I would look at tying the expression’s parameters (frequency, amplitude, etc.) to master controls on a control null.
Dan
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That’s a feature request I’ve submitted a few times. You should do the same:
https://www.adobe.com/cfusion/mmform/index.cfm?name=wishform
“|_ (°_0) _|”
Sincerely,
George
http://www.vimeo.com/georgegoodman
http://www.linkedin.com/in/georgefranklingoodman -
Thanks Dan! Your first point is exactly what I was looking for, and your second point is even better. 🙂
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Had the same problem and I ended up buying pt_ExpressEdit 2 from the aescripts.com website. Makes the process of dealing with multiple expression layers easy.
I am not the developer, just a big fan.
Chris
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