CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

I think you should read again the design ideas of the BGL.
If you want any BGL algorithm to work, you need to do something like:

namespace boost{
struct graph_traits<Surface>: public graph_traits<Polyhedron_3> {};
}

the same with halfedge_graph_traits if you need to.

Sebastien.

On 02/26/2014 12:04 PM, Zohar wrote:
> So, back to the original problem. Is there a way to derive from
> Polyhedron_3:
>
> class Surface : public CGAL::Polyhedron_3<Kernel> {};
>
> and still be able to supply Surface to the simplification algorithm (the
> template instantiation for BGL is defined for Polyhedron_3 and doesn't
> recognize Surface)?
>
> I started with this:
>
> struct Surface : public CGAL::Polyhedron_3<Kernel>, public
> CGAL::HDS_graph_traits<CGAL::Polyhedron_3&lt;Kernel> > {};
>
> but now it needs halfedge_graph_traits and maybe other stuff.
>
>
>
> --
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