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3D Over/Under VR Rendering of a 3D scene

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Liam Hammer
3D Over/Under VR Rendering of a 3D scene
on Oct 29, 2018 at 6:42:33 am

I've been learning to create 360 degree videos from 3D scenes within After Effects using the newly integrated VR Converter tools, following tutorials like



and



. It's working fine, not a difficult setup, however ideally I'd like to export a stereoscopic 3D VR video for YouTube with over/under mapping. I'm not using any 360 camera footage, just creating the scenes within After Effects using 3D layers.

I've discovered this tutorial which basically suggests to render the comp out normally, then shift the camera a few pixels to the side, render a second view and stitch the two results together on top of each other.

I've no doubt that this works, but I was wondering if there was a way to achieve the same effect without needing to shift and re-render a single camera setup within the scene. I.E. have two camera setups within a scene next to each other, each one feeding one half of the final over/under comp. Also, I've not experimented extensively but is there any particular art to the distance that you'd space the cameras within a scene? Just ballparking a few pixels to the side seems like it might not lead to the clearest result for the viewer at the end.

If anyone, alternatively, has a better workflow entirely for managing a 3D VR scene like this then I'd love to hear any tips.


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