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[Hui Ding <>]

Thank you! and also in this case(all the facets are triangles), i need to know the every three vertices on the same facet which is on the surface, but I didnt find the direct way to do it, do you have an idea?
 
 

>
> On Tuesday 24 June 2008 12:24:34 Hui Ding wrote:
> > Hi,
> >
> > Since I made my implicit function, I got an
> > "Surface_mesh_default_triangulation_3" which I named it "tr". My question
> > is: Is there anyway to return only the facets or vertices of the surface?
> > Thanks a lot.
>
> Use the 2D complex in 3D triangulation. The variable is probably named c2t3.
> The documentation is here:
> http://www.cgal.org/Manual/3.3/doc_html/cgal_manual/Surface_mesher_ref/Concept_SurfaceMeshComplex_2InTriangulation_3.html
>
> A facet f is on the surface iff c2t3.face_status(f)!=NOT_IN_COMPLEX. If you
> want to iterate of facets of the surface, you can use the sequence
> c2t3.facets_begin(), c2t3.facets_end()
> The iterators have type Facet_iterator (defined in the C2T3).
>
> --
> Laurent Rineau, PhD
> Engineer at GeometryFactory
> http://www.geometryfactory.com/
> --
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