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Comp Markers to Time Remap?

Hello, I'm in need of an expression  whereby a marker value in one comp will drive/equal the time remap value of another comp. as an example: Within a comp (MarkerComp1), I have a layer (MarkerLayer1)...

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Attaching layers to edges of other layers

Here's a mockup of I'd like to do: (click to see animated GIF) The smaller square layer is "attached" to a corner of the larger solid. As the larger solid moves, the square maintains its relative...

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Can't find the words to Express myself, Nestled parenthesis?

Hi,  I have a project I am supposed to turn over to other people so they can "easily edit" and produce the same thing over and over. that would be too simple, so I decided to put as much of the stuff...

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How to delay an animation

Sorry for my bad english: i'll try to be clear.Once a layer has some animation (position, scale etc),how can i link another layer to this first one (or the animated property of the first one to the...

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wiggler expression for position

I want to have a random movement on a layer using the a wiggle expression but I only want it on one axis.Using this:wiggle(1,50)makes it pop around on the screen, so what do I need to add to this to...

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Expressions Optimization

I use a lot of expressions - to a point where I sometimes get stack overrun errors in renders, and other glitches. I am wondering if anyone has advice for optimizing expressions and reducing the amount...

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Settings that affect sampleImage()

I have a script that uses sampleImage to find whether there is any visible content within the composition (the script adds a layer and applys sampleImage to it). Somebody who is using the script is...

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List of all expression keyword not included in official documentation

Hi everyone, I came accross a tutorial by Harry Frank of Gray Machine. In this old post he give a tutorial on having dynamic text with an external text file... He is using a keyword wich is often use...

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delay scale parameter from the shape layer repeater

Hi,  I want to animate the scale parameter of the repeater effect and delay it on several shapes.  I've tried with this expression using 2 expressions sliders but without success...

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Expression to move a copied layer in the oposite direction

Hi guys, I am embarresed to ask this one, but I am hoping that it is as simple as it sounds, and its not too much of a waste of time to ask!  I have footage of one of our ships flying against a blue...

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Expression assistance.

Hi, I was wondering if someone could help me out with an expression (I am thinking an expression would be the easiest). What I am trying to achieve is the following: I have a HUD with 6 circles in it....

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question for expression "work area duration"

i'm trying to get duration of workarea from expression on CS6. thisComp.duration*23.976 this gives me the duration for the comp length.i'd like to get duration of work area instead. please let me know...

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Expression engine slower in CS4?

I've created a character animation system in AE7 with approximately 400 short expressions which connects layers in different comps to a control panel in the mastercomp. In AE7 everything works smooth...

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Confused with array syntax

If I want to wiggle the X, Y and Z dimensions of a layer's position, I can do it with this expression:[wiggle(3,4)[0],wiggle(4,5)[1],wiggle(5,6)[2]] This addresses each dimension as an array member by...

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How can I control the mask point?

Hi everyone. How can I control point in the circle by using the Expression???Is it possible?  

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lengthen or shorten vector

this may seem trivial, but vector mathematics is not my strong suit. if I have a vector between point A and point B, how do I shorten it (or lengthen it), but maintian a center point between A and B,...

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Possible 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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Can I link a path vertex to a position property via an expression?

I want to have curves and lines draw across or between points in a video clip that has hand held camera moves in it. I've motion tracked the points I want to use and assigned the tracking data to a...

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Unpause animation if key value equals X

tldr: I need an expression that plays a sequence of images on a layer (and leave it on the last image) when the value of a key (keyframe?) in another layer of the same comp equals a specific value. I...

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Math.round for Shape layers to land on whole pixels?

Trying to keep my shape layers on whole pixels to avoid subpixel blurring.  For one-dimensional properties, this works fine: Math.round(value); But for two dimensional props, I'm running into errors...

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