poissonrecon - cloud to mesh

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hein9
Posts: 1
Joined: Tue Apr 02, 2024 9:45 am

poissonrecon - cloud to mesh

Post 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 1502 times
image_2024-04-02_115830786.png
image_2024-04-02_115830786.png (620.09 KiB) Viewed 1502 times
Any advice on how to make it work, and if it is even possible?

Thank you
daniel
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Location: Grenoble, France
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Re: poissonrecon - cloud to mesh

Post by daniel »

I would guess that there's an issue with how the normals are oriented. How have you computed them?
Daniel, CloudCompare admin
lweidner
Posts: 10
Joined: Fri Jan 21, 2022 9:47 pm

Re: poissonrecon - cloud to mesh

Post 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.
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