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skinning a volume, exporting and reading back in issues


I was wondering if anyone has encountered and or has a solution to my problem.

I have simulated some smoke, cached it, converted it to vdb, then vdb to polygon, followed by a remesh (fixed length:0.2) and after a rop geo node. 

When I pull the data back in using a file node to see it I get the following artifacts on a bunch of the later frames. 

I am using houdini 16. 

Any help would be greatly appreciated.



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Solution turned out to be missing normals after the conversion.

Added Normals and it was fixed

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