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Re: [cgal-discuss] Bisection


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  • From: KL <>
  • To: "" <>
  • Subject: Re: [cgal-discuss] Bisection
  • Date: Mon, 17 Oct 2022 20:23:52 +0200
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Thanks Sebastien:)
--

14:28, 17 October 2022, "Sebastien Loriot ( via cgal-discuss Mailing List)" <>:

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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