keep the keyframe curves)

I have an expression that lets me substitute the value of one keyframe with values from a point control or slider. This is the expression, which I originally found here (all the way at the end of the page, thanks Dan Ebbert!):

https://community.adobe.com/t5/after-effects-discussions/dynamic-keyframe-value-using-expression/t…

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Thank you very much!

Hi crowd,

I want to build a template for a diagram. The template is supposed to consist of a path on a shape layer with “trim paths” and a text layer that has a slider control to which the trim paths is parented. I want to be able to dynamically duplicate both, shape and text layers, so that each trim path of each new shape layer is automatically…

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This is the final code I came up with, added by some help from ChatGPT.

startKeyframe = 4;

endKeyframe = 6;

rangeDurationOut = key(endKeyframe).time – key(startKeyframe).time;

if (time < key(startKeyframe).time) {

// Play through keyframes from keyframe(1) until startKeyframe

t = linear(time, inPoint, key(startKeyframe).time, key(1).time,…

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Awesome, that worked! Well, sort of, because the expression ignores all keyframes that come before the specified keframes, but that is, because again, I did not specify my question particularly well. So what I need is for all keyframes before the specified keyframes to be played normally. But I do have an idea on how to achieve this :).

Let me try to clarify what I mean 🙂

What I want is for AE to play through a number of keyframes defined by a starting and ending keyframe, but timeshifted to the outpoint of the layer. E. g. if I have 6 keyframes on a layer, from 0 secs to 5 secs, I’d like to play keyframes 4 to 6, but at the outpoint of the layer minus the time necessary to play…

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Hello,

I’ve dabbled in letting ChatGPT write an expression for me that does, what I’m looking for in this posts topic, but sadly, no amount of coaxing gets the AI to write code that does the job. Can anyone here help me out? What’s wrong with this code?

// Set the range of keyframes to play

var startKeyframe = 1; // Change this value to the index of…

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At last, I did solve it myself and I realized that there were some errors in the original code I posted here, since I translated the “control for points” effect from german to english. I used point controls to circumvent the slider problem of going higher than 1 million and also to keep the effect controls to a minimum.
Anyhow, here’s the final…

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I have a problem, which should have a simple solution, but I can’t seem to wrap my head around it.

I’ve built a counter, using the following expression:

beginVal =effect(“startVal,endVal”)(“point”)[0];

endVal = (effect(“startWert,endWert”)(“point”)[1]);

startT = effect(“startTime,endTime”)(“point”)[0];

endT = effect(“startTime,endTime”)(“point”)[1];

t…

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Yeah, I figured out as much. Time Blend set to 100 % acts like sort of a permanent Echo. Still – insanely cool :).

Dude, your project feels like trying to read hieroglyphs without the rosetta stone to me :D. All I can glimpse is that it’s awesome! But this thing works without any plugin like Pastiche, correct?

Yeah, that’s pretty much what I’m trying to accomplish. I’ve already found a way, but I’d like to see if your way is better, if you’d like to share 🙂

Uh – interesting! I’ve never heard of Pastiche before, but that’s a spot on recommendation! Thanks a lot!

Hi there,

is there any way to do the above? I’d like to cluster layers of text according to the luminosity values of a matte layer, e.g. pure white = almost no text-layers, while black = really dense clustering of textlayers. I’ve attached a screenshot to better show what exactly I mean.
I hold no copyright to this screenshot, it’s just there so you…

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Sorry for my late reply! I think I can clear things up, once again, by providing you with a screenshot 🙂 .

So now, I’m stumped again. I’m working with the same project and wanted to adapt your expression to flip a CC composite effect from 0 % opacity to 100 %.There’s also an if clause that checks the layer’s y-position to see, if it’s been moved from a fixed position. If that is true, CC composite’s opacity is also turned on.

I get an error message…

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Wow, it works! Thanks so much, Dan :).

Can you break it down for me? I’d like to know how exactly it works out. If you have the time, that is.

I feel like I need to elaborate a little more, so I’ve snapped a screenshot that hopefully clarifies my problem.

Hi Dan,

thank you very much for your reply! This would let the expression check every preComp layer for markers? Not just on a specific one?

Hi there,

I’m working on a recurring project where I have to throw lots of subComps into one mainComp and then set keyframes on a Control Layer to trigger a random animation on another layer on each added subComp inPoint. So far I’m doing this via keyframes ( I just have to add a keyframe on a slider on the control layer and the random… Read more