CloudCompare forum

Hey guys,
Guys, I have this point cloud (see image 1) with these holes and I want to create a mesh of it.
So when I create a mesh, cloudcompare fills these holes automatically(see image 2) and I don't want that, and I wanted to know if anyone here knows how to solve this problem.

Thank you.

I guess you should activate the 'Density' output?

See https://www.cloudcompare.org/doc/wiki/i ... n_(plugin), last section.

If you can not manage by using "Density' output", You can use segment tools to open a hole in the mesh.
Also, You can edit in Blender 3D software

Andresilva0409 wrote: ↑Mon Jun 24, 2024 1:14 pm Hey guys,
Guys, I have this point cloud (see image 1) with these holes and I want to create a mesh of it.
So when I create a mesh, cloudcompare fills these holes automatically(see image 2) and I don't want that, and I wanted to know if anyone here knows how to solve this problem.

Thank you.

To prevent CloudCompare from filling holes automatically when creating a mesh from a point cloud, you typically need to adjust the parameters or settings in the mesh generation process

In many cases, adjusting the parameters or settings in the mesh generation process does not help

for example, can we generate a mesh with a side hole in the attached pc example

Gregnew wrote: ↑Wed Jun 26, 2024 1:05 pm To prevent CloudCompare from filling holes automatically when creating a mesh from a point cloud, you typically need to adjust the parameters or settings in the mesh generation process

I attached here pointscloud example with a small hole in its top, I can not adjust the parameters to generate a real shape mesh with a small hole in the top.
Any idea just to investigate the PoissonRecon limit
.

Yes, PoissonRecon density is based on the proximity between the original points and the reconstructed nodes...

That's a bit clunky, but you could maybe sample points on the total reconstructed mesh. Then segment the hole part (point cloud subest) and add it to your original cloud. And re-mesh again!