Smoothing values of another layer
I have Layer A which has a standard wiggle on it. I pickwhip the position of Layer B to copy Layer A's. But now I want Layer B's motion to be a damped — as if Layer B is copying Layer A's movement, but...
View Articleneed expresion to change opacity
Help, I'm creating a radar for a class project and I'd like the opacity of my "plane" layer to change whenever the radar "sweep" makes contact. I guess that would be a collision detection? Basically,...
View ArticleExpression to limit tracking data
Hello, Is there an expression to limit the scale of tracking data. In other words, I would like to take tracking data and reduce the size, so if I track my hand and it moves 10 inches up or down, I...
View Article"No active camera" error
Ran into this problem tonight with a couple expressions I've used in the past in CS3+. My scene has 1 camera. It it's set to active and the eyeball is on and its in/out is the length of my comp. Is...
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Orient to Camera Plus
Is there a way to keep a 3d layer always square to the camera, without any rotation? Normal 'Orient to camera' rotates the layers wildly. I want to achieve the look of the "Parallel to Cam Always"...
View ArticleAccurate Timer For Sports
Hi all. I'm trying to make an expression you apply to a text layer to time sports videos accurately. So far, I have the minutes and seconds figured out, but can't seem to get the milliseconds to work....
View ArticleHelp with 3D Layer Position Expression
Hi All, I do hope some one can help me – I have been looking and trying to solve this expression problem I have run in to - I only have limited expression knowledge. I need to move a layer in 3D space,...
View ArticleHow to wiggle a layer on odd frame numbers.
Hello. I am using AE CS6. Now I am trying to make an cartoon animation, and now I am trying to wiggle some layers' position.But I don't want to wiggle the layers on every frame. I want to wiggle them...
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Expression Query (adding an additional expression)
Hey there I shall try to explain this as best as possible and please refer to the images or links if the images fail to embed. the following code http://d.pr/i/keMI allows, on a certain dgree of...
View Articlecontrolling Key-Value by Point Controller
Hey guys,I have multiple layers, each one has three position keyframes with keyA, keyB and keyC. Now I want to have a small "helper": the value of frame B should be changed by a "Point Control" (which...
View ArticleAccess property of a subcomp through expressions.
I got a main composition. It got a subcomposition and a null-object(with a control checkbox).How can I access a layers opacity in the subcomposition throught an expression in the main composition?The...
View ArticleChange opacity precomp layer expression
Hi, I want to control my precomp layers opacity within my maincomp by changing the layername. For example: If my layer name(in the maincomp) is "A" only the layer called "A" in the precomp will show. I...
View ArticleExpression to control speed with the option to stop?
I made a simple animation with an expression to move a layer at a constant speed. With the Separate XYZ effect I used the expression time*120 on the X position. (120 is linked to a slider control but...
View Articlefollow a leader with delay
hi i have bunch of layers all distributed in z space.All in a row.So,they have all differenent position data.Now the first layer starts to move towards the camera.After a specific time i.e 1.5 secs i...
View ArticleHow to get relative position of layer in larger precomp.
The Setup: Comp 1 is 2000x3000 pixels. Comp 1 contains Layer X that is positioned at 1750,1250. (or whatever) I pull Comp 1 into Comp 2 which is 800x600. I scale and move Comp 1 inside Comp 2 by an...
View ArticleAny way to get the area of a mask to use in an expression?
I'd like to find the area of a mask, or even just the bounding width or height to use as a variable in an expression.For example I'd like to have the brightness of a solid based on the area( or a...
View ArticlePossible to store a variable in one comp and accessible to all other comps.
Hi There, This question is mainly for architectural reasons. Is there a way within the After Effects project file, to declare a global variable that is accessible to all comps? I want to simply...
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how to correct edges with high contrast?
I have been looking for a solution to edge correction for a long time. As all of you have noticed, SD and HD video camcorders are producing a "sharpening" or extra contrast in edges of high contrast....
View ArticleUnfolding Effect
I came across an animation that depicts a series of diagonal lines unfolding like a fan. The artwork is simple enough but I wasn't sure how to build this in after effects and I wondered if there might...
View ArticleAdjust the amount of Mocha stabilize?
I have a couple shots that Mocha (and the awesome MochaImport script) has beautifully stabilized. However, it's a little too rock solid. Is there someway to craft an expression that can dial back the...
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