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Any tricks for detecting/fixing non-manifold geo?


tjeeds

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When we mesh particles or volumes there's often bits of the mesh that turn out non-manifold, sharing points or edges where they shouldn't. I haven't really delved too deep into model checking and fixing, just wondering if anyone has come up with something clever for this. PolyDoctor and Clean don't really cut the mustard here.

Here's a super simple example, basically just want these boxes to be subdivision-ready. Any thoughts would be appreciated!

nonmanifold.hip

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Doing the interpollation of the normals yourself can give a clue where polygons are not properly connected when doing a volume or particle to mesh. If they become to short in length.

I'm not sure if the proposed idea will work on the meshes you are dealing with but perhaps it works.

I tried it on a fluid surface. It does a fair job at detecting the problem areas but doesn't clean the geo properly yet.

nonmanifoldSplit.hipnc

Edited by kgoossens
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