CGAL users discussion list

[Andreas Fabri <>]

ok. At least it proves that you read the manual, which I almost
had recommended violently in my previous mail ==:>-

andreas


Tyver Ray wrote:
> It's from : http://www.cgal.org/Manual/3.3 
> <http://www.cgal.org/Manual/3.3/doc_html/cgal_manual/Mesh_2_ref/Concept_DelaunayMeshFaceBase_2.html#Cross_link_anchor_1060> 
> /doc_html/cgal_manual/Mesh_2_re 
> <http://www.cgal.org/Manual/3.3/doc_html/cgal_manual/Mesh_2_ref/Concept_DelaunayMeshFaceBase_2.html#Cross_link_anchor_1060>f/Concept_DelaunayMeshFaceBase_ 
> <http://www.cgal.org/Manual/3.3/doc_html/cgal_manual/Mesh_2_ref/Concept_DelaunayMeshFaceBase_2.html#Cross_link_anchor_1060> 
> 2.html#Cross_link_anchor_1060 
> <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 < 
> <mailto:>>:
>  > 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 < 
> <mailto:>>:
>  > >> 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
>  > >> --
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