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Re: [cgal-discuss] Union result


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  • From: Sebastien Loriot <>
  • To:
  • Subject: Re: [cgal-discuss] Union result
  • Date: Wed, 5 May 2021 14:28:04 +0200
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1) If the output is not manifold, as documented no output can be computed (and false is returned).
You have to use the Nef_3 packages for such cases.

https://doc.cgal.org/latest/Nef_3/

2) split_connected_components()
https://doc.cgal.org/latest/Polygon_mesh_processing/group__keep__connected__components__grp.html#gaac75eda5fb0a040c2b3cb8096ab8acb1

Best,

Sebastien.


On 4/30/21 9:24 AM, AliiAsgharii ( via cgal-discuss Mailing List) wrote:
Dear CGAL team,
I have got some questions and would be appreciated if you could help.
1. I am using the corefine_and_compute_union function. Is this function
working if the output is non-2-manifold? (in case the union of two
2-manifold meshes is a non-2-manifold mesh)
2. I have got a mesh (OFF file) including different shells (different
geometries). Is there any function for splitting the mesh into shells and
getting the geometry for each shell?

Thanks in advance.
Best regards,
Ali





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  • Re: [cgal-discuss] Union result, Sebastien Loriot, 05/05/2021

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