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Re: [cgal-discuss] Re: Triangle comparaison


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  • From: "Tyver Ray" <>
  • To:
  • Subject: Re: [cgal-discuss] Re: Triangle comparaison
  • Date: Wed, 20 Jun 2007 11:08:23 +0200
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It's from : http://www.cgal.org/Manual/3.3 /doc_html/cgal_manual/Mesh_2_ref/Concept_DelaunayMeshFaceBase_ 2.html#Cross_link_anchor_1060

Thanks for the other idea...

Tyv

2007/6/20, Andreas Fabri <>:
> Hello,
>
> No idea where the set_in_domain method comes from, but you
> might have a look at the section entitles Flexibility in
> the user manual of the triangulation package
> http://www.cgal.org/Manual/3.3/doc_html/cgal_manual/Triangulation_2/Chapter_main.html#Section_25.11
>
> It explains you and gives you example code for adding
> information to vertices and faces.
>
> andreas
>
>
>
> Tyver Ray wrote:
> > I've tried your relevant idea but I can't access the set_in_domain
> > method...
> > I coded as below:
> >
> > Line_face_circulator lfc = dt.line_walk(start, end), done(lfc);
> >    if (lfc != (CGAL_NULL_TYPE) NULL)
> >    {
> >        do
> >        {
> >            if( !dt.is_infinite(lfc) )
> >            {
> >                   ((Tds::Face_base)lfc) -> set_in_domain(false);
> >            }
> >        }
> >        while (++lfc != done);
> >    }
> >
> > Thanks for your advice!
> >
> > Tyv
> >
> > 2007/6/19, Laurent Rineau <>:
> >> On Tuesday 19 June 2007 05:45:31 pm Tyver Ray wrote:
> >> > To be clear, my face_circulator is from the same delaunay dt.
> >> > I want to scan only the triangles of dt which aren't in my
> >> face_circulator.
> >>
> >> Use a face base with a special boolean.
> >>
> >> Travel through the face_circulator, and use that special boolean to
> >> mark faces
> >> that are in the face_circulator.
> >>
> >> Then you can scan all faces of the triangulation, and filter those how
> >> have
> >> the marker.
> >>
> >> --
> >> Laurent Rineau
> >> INRIA - Sophia Antipolis
> >> BP 93, 2004 Route des Lucioles
> >> 06902 Sophia Antipolis Cedex FRANCE
> >> --
> >> You are currently subscribed to cgal-discuss.
> >> To unsubscribe or access the archives, go to
> >> https://lists-sop.inria.fr/wws/info/cgal-discuss
> >>
>
> --
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