CGAL users discussion list

[Sebastien Loriot <>]

It depends if you really want to cut the mesh or simply filter out some 
faces.

If you really want to cut the mesh you can use:

https://doc.cgal.org/latest/Polygon_mesh_processing/group__PMP__corefinement__grp.html#ga88ea5360f9fe65458f9086b453447662

Sebastien.

On 10/17/22 10:13, KL ( via cgal-discuss Mailing 
List) wrote:
> Thanks Sébastien,
>
> And once we have the triangulated mesh, how do we bisect it at regular 
> interval ?
>
> (What is the wording in CGAL?)
>
> My meshes are simple and empty inside so the bisection will only give me 
> contour points.
>
> Think of an empty sphere.
>
>
> --
>
> 09:41, 17 October 2022, "Sebastien Loriot ( via 
> cgal-discuss Mailing List)" <>:
>
>     If I get you right the first step is to produce a mesh from point cloud.
>     Have a look at
>     https://doc.cgal.org/latest/Manual/tuto_reconstruction.html
>     <https://doc.cgal.org/latest/Manual/tuto_reconstruction.html>
>
>     Best,
>
>     Sebastien.
>
>     On 10/15/22 22:16, KL (
>     <> via cgal-discuss Mailing
>     List) wrote:
>
>           Hi,
>           I need to bisect a mesh (from a point cloud).
>           What I need is this:
>         
> https://docs.blender.org/manual/en/2.80/_images/modeling_meshes_editing_subdividing_bisect_example.png
>  
> <https://docs.blender.org/manual/en/2.80/_images/modeling_meshes_editing_subdividing_bisect_example.png>
>  
> <https://docs.blender.org/manual/en/2.80/_images/modeling_meshes_editing_subdividing_bisect_example.png
>  
> <https://docs.blender.org/manual/en/2.80/_images/modeling_meshes_editing_subdividing_bisect_example.png>>
>           I will bisect the mesh multiple times at different locations.
>           I was reading
>         https://doc.cgal.org/latest/Mesh_3/index.html#Chapter_3D_Mesh_Generation 
> <https://doc.cgal.org/latest/Mesh_3/index.html#Chapter_3D_Mesh_Generation>
>           <https://doc.cgal.org/latest/Mesh_3/index.html#Chapter_3D_Mesh_Generation 
> <https://doc.cgal.org/latest/Mesh_3/index.html#Chapter_3D_Mesh_Generation>>
>           I would like to give CGAL a go.
>           Which package is the best for this ? I would then avoid to use
>         Blender
>           python scripts and keep coding in C++.
>           thanks
>           --
>           MKL
>
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