CGAL users discussion list

[Bernhard Kornberger <>]

Laurent Rineau schrieb:
> Insert here:
>   typedef CGAL::Triangulation_cell_base_3<K> Cb;
>
> > typedef CGAL::Triangulation_data_structure_3<Vbh>        Tds;
>
> Here you need to precise Cb:
>   typedef CGAL::Triangulation_data_structure_3<Vbh, Cb>    Tds;
>
> The way you have instanciated your Tds, by precising only the vertex base, you 
> have got the Triangulation_ds_cell_base_3<K> as cell base, which is not a 
> model of the concept TriangulationCellBase_3.
>
> Actually, examples/Triangulation_3/hierarchy.cpp does not follow the 
> documentation requirements either. It works only because it does not class 
> dual().

I thought it was a bug because it worked flawlessly in previous
versions of CGAL. IIRC I have the typedefs from some of the
examples or form the documentation of previous versions.

However, thank you very much, this fixed my problem.

Best regards
Bernhard Kornberger