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Re: Real world dimensions After Effects

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Mark Whitney
Re: Real world dimensions After Effects
on Apr 14, 2018 at 6:25:00 pm

Are you doing this live? If so that adds a whole other element & don't think AE is your solution as it's not a real time tool.

Among other considerations, it really depends on what your 3D app considers as "Real World" dimensions. I'm not finding my notes at the moment but I seem to recall that the 3D program I prefer, Lightwave, 100 AE pixels equals 1 meter. LW has a tool as part of it's feature set however to do data exchange between it & AE. Other, but not all 3D apps have something similar.

If your cameras are locked off, then it doesn't matter; simply go by eyball. If not, then I'd take the footage into AE, use it's tools to create a 3D camera, then export that data out to LW. That would give you camera movements & focal length. Use your footage as a background guide to line up your 3D object & it should lock & stay in place to the camera moves.

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