CGAL users discussion list

[Camille Wormser <>]

>  the function
>
> template<class Outputiterator>
> Outputiterator incident_facets(Vertex_handle v,Outputiterator  
> facets) in
>
> CGAL 
> ::Triangulation_3<TriangulationTraits_3,TriangulationDataStructure_3>
> requires some preconditions,one of them is:dimension()==3.
>
> if all the input points of Triangulation_3 is on a plane,that means  
> dimension==2,but i still need to get all the facets incident to one  
> vertex,is there some other ways to get them ?

In such a case (dimension == 2), you are expected to call  
incident_cells, which does not have this precondition, and which will  
return the degenerate cells around the vertex.
--
Camille