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3d stacking problem in AE
Hello folks,
Big comp. Lots of layers. All 3d and moving around.
Everything is moving around correctly in 3d, but for some reason AE is rendering the comp based on STACKING order among layers within the comp. So even if something is closer to camera in 3d, if the layer behind it is ABOVE it on the stacking order, it renders on top.
I’ve experienced this before but I can’t remember how and why. Any ideas?
thanks!
Tom
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17 Replies
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100% 3d! Still bizarre stacking…
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Here’s an image. The Ca and Mg is the top layer. The others are below in the layer stacking order, but obviously they’re closer to the camera… HELP!
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Nada. Check out this image. Ca and Mg are on top in stacking order, but all are closer to camera… Thanks Dave!
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Nada. Driving me crazy! I tried open GL rendering on and off. No change…
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Are you using layer styles? They break 3D intersection, too.
Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog – What I’m thinking when my workstation’s thinking
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Here’s the whole list of possible culprits, from 3D layer interactions, render order, and collapsed transformations [link]:
Just like 2D layers, other types of layers also prevent 3D layers on either side from intersecting or casting shadows on one another:
- An adjustment layer
- A 3D layer with a layer style applied
- A 3D precomposition layer to which an effect, closed mask (with mask mode other than None), or track matte has been applied
- A 3D precomposition layer without collapsed transformations
Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog – What I’m thinking when my workstation’s thinking
Creative Cow Forum Host: Live & Stage Events -
So it can’t render proper 3d if any of your layers are precomps with effects…
I think that might be the culprit here.
I have to say… that is EXTREMELY LAME of After Effects.
Thanks Dave and Walter!
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Move the effects into the precomp, outside of the final comp. Pre-rendering is another option if you totally need the effects in the final comp.
Carefully creating a layer hierarchy (in the Timeline) in the final comp may also provide a viable solution.
HTH
RoRKIntensive AE & Mocha Training in Singapore and Malaysia
Adobe ACE/ACI (version 7) & Imagineer Systems Inc Approved Mocha Trainer -
Alas… there are all kinds of crazy dependencies with expressions and so forth. Very difficult to move the effects…
I really think Adobe needs to fix this…
But thanks Roland!
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[Tom Durham] “I really think Adobe needs to fix this…”
That’d be nice — but it would mean completely re-engineering AE.
AE is not a true 3D compositor. When you apply an effect to a 3D precomp (even if it has continuous transformations on), the layer is rasterized. This flattens the layer, so AE’s renderer is no longer able to calculate intersections.
If true 3D compositing is important to you, please consider filing a feature request [link]. The AE team actually reads them [link], so your input is important!
Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog – What I’m thinking when my workstation’s thinking
Creative Cow Forum Host: Live & Stage Events
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