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1200 small layers in one composition, impossible to render!

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Fredrik Andersson1200 small layers in one composition, impossible to render!
by on Apr 15, 2016 at 2:24:48 pm

I have a 10 second compostion with around 1200 layers, imported from a psd file. Each layer is around 1-3 kb (~30x30 pixels) and holds a simple expression to make it rotate independently in a semi-random way. The problem is, when I try to render the composition CPU goes up but nothing happens, it says "Rendering" and "Elapsed: 0 seconds". I keep refresh disabled throughout the process. Even when I remove the expressions, and just have a 10 second static composition, the rendering is stuck!

Is it the sheer number of layers that makes the rendering impossible?


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Dave LaRondeRe: 1200 small layers in one composition, impossible to render!
by on Apr 15, 2016 at 4:46:46 pm

Since we know nothing about your AE version, your OS nor your computer, it's impossible to draw any kind of conclusion. Sorry.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Fredrik AnderssonRe: 1200 small layers in one composition, impossible to render!
by on Apr 15, 2016 at 5:01:36 pm

Yes, sorry, the post was uninformative! I'm on a late 2011 Macbook, Mountain Lion, After Effects 11.0. Anyway I got it to work by disabling multiprocessing. A bit embarrassing that the solution was so simple :)


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