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Forums Adobe After Effects (For performance) Many Shape Layers vs Single Layer vs Precompose. /And also expressions

  • (For performance) Many Shape Layers vs Single Layer vs Precompose. /And also expressions

  • tiago alves

    November 27, 2019 at 3:23 pm

    Hello, guys.
    At my work, we use After Effects to animate characters.
    usually we make about 2:30 minutes animations, (but once a year, there is an animation that have 20:00 minutes).

    We use a lot of character (usually, that kind of animation has about 13 scenes, that display 1 or 2 characters each).

    My question is about performance, because, after the 4th scene, After Effects get too slow.

    Knowing this, which option is better to optimize perfomance.
    – The less layers you have, the better (for example, for the head it’s better to have a single layer, with contents like eyes, eyebrow, nose, mouth, etc).
    – The more Layers, the better (A layer for the head, another to left eye, other to right eye, mouth, etc).
    – Making Layers and then grouping them up in precompositions (like, making a precompose for the head, and inside this composition, there would be a layer for the head, nose, etc).

    do the expressions take a lot processing ? (I usually do expressions with the head, for example, like “Wiggle”, or for the leg, LoopOut(“cycle”))
    In that case, is it better to convert expressions to keyframe?

  • Max Haller

    December 2, 2019 at 8:18 pm

    Expressions have to be computed on each frame so that is probably weighing the project down. The less layers the quicker it should run. You said after about 4 scenes the project starts running slow, so maybe use multiple projects that have less than 4 scenes each and combine at the end if you need to.

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