CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

 wrote:
> Hello,
>
> I constructed a polyhedron with borders with the incremental builder (the
> borders are simply defined as edges which does not have an opposite 
> counterpart
> in any other face constructed), and the polyhedron I get does not recognize
> these edges as borders (size_of_border_edges() produces 0). If I subdivide 
> this
> polyhedron (say, using CC subdivision), the border edges are finally revealed.
> Is this a bug, or did I forget to do something?
>
> Amir.
Hello,

Did you call normalize_border() before calling size_of_border_edges?

S.