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Re: Real world dimensions After Effects

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Steve Bentley
Re: Real world dimensions After Effects
on Apr 14, 2018 at 9:47:33 pm

In a 3D package everything is relative - you can enter all those dimensions you have and you will be bang on (assuming the data is correct). Export the camera from the 3D package along with nulls for object position and height and you can match those markers in AE when you import all that data.
But if you want to use a 3D model inside AE, you can't say to the model, be six feet high. As Dave said you have to say "be 359 somethings high" (AE can't natively use 3d models, there is always a plug in, even a built in one, and that may not translate to pixels).
But it can do renders of models - so once its rendered in a 3D package all the hard stuff is done.
But often eyeballing it is better. Lens distortion can screw up lots of measurements because AE won't automatically take the distortion into account.

And Mark may have said this - AE isn't real time so it's not the best tool if you are live keying a model into a stage shot in front of an audience (it wasn't totally clear if this was the case). And you might have a killer graphics card that can get close to real time but any type of system activity can interrupt that (like autosave).

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