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Re: [cgal-discuss] Mesh_3 -> Triangulation_3


Chronological Thread 
  • From: "Laurent Rineau (CGAL/GeometryFactory)" <>
  • To:
  • Subject: Re: [cgal-discuss] Mesh_3 -> Triangulation_3
  • Date: Fri, 11 Jan 2019 17:52:29 +0100
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  • Organization: GeometryFactory
On Friday, January 11, 2019 5:14:17 PM CET Marc Alexa wrote:
> > On 11. Jan 2019, at 11:20, Laurent Rineau (CGAL/GeometryFactory)
> > <>
> > wrote:
> >
> >
> >
> > There is no valid solution to that problem, unless your own
> > `Triangulation_3` type keeps a Boolean field for each cell, indicating
> > whether or not the cell is part of the mesh.
>
> I wrote my own solution and I realized this. It seems the domain boundary
> need not be manifold.
>
> If I used the converter as you indicated below, would it add tetrahedra with
> an infinite vertex during the conversion?

copy_tds will copy all the tetrahedra, including:
- finite tetrahedra in the domain,
- finite tetrahedra outside the domain,
- and infinite tetrahedra.

Of course, the infinite tetrahedra will always have 'subdomain_index()==0'
(meaning "outside the domain").

--
Laurent Rineau, PhD
R&D Engineer at GeometryFactory http://www.geometryfactory.com/
Release Manager of the CGAL Project http://www.cgal.org/




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