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poissonrecon - cloud to mesh

Posted: Tue Apr 02, 2024 10:03 am
by hein9
Good Day

I am trying to make a mesh from a point cloud.

I have combined all the scans and also subsampled it, when I run the Poissonrecon I get this result:
image_2024-04-02_120215787.png
image_2024-04-02_120215787.png (475.41 KiB) Viewed 303 times
image_2024-04-02_115830786.png
image_2024-04-02_115830786.png (620.09 KiB) Viewed 303 times
Any advice on how to make it work, and if it is even possible?

Thank you

Re: poissonrecon - cloud to mesh

Posted: Tue Apr 02, 2024 8:37 pm
by daniel
I would guess that there's an issue with how the normals are oriented. How have you computed them?

Re: poissonrecon - cloud to mesh

Posted: Thu Apr 04, 2024 10:33 pm
by lweidner
Another suggestion which might help is, whenever I use Poisson Reconstruction I always turn on the option to output density, then I filter the resulting mesh to remove regions with low point density. Even if the normals are good it often extrapolates surfaces where I don't want them.