CGAL users discussion list

[Andreas Fabri <>]

Hi Matthias,

int i = 0;
for(Finite_vertices_iterator fvi = dt.finite_vertices_begin(); .... ){
  fvi->info() = i++;
}


or during the insertion of the i'th point:


Vertex_handle vh = dt.insert(points[i]);
vh->info() = i;


andreas




 wrote:
> I don't get it. I think my problem is to declare the correct data structure?
>
> // additional .h files
> #include <CGAL/Triangulation_vertex_base_2.h>
> #include <CGAL/Triangulation_vertex_base_with_info_2.h>
> #include <CGAL/Triangulation_data_structure_2.h>
>
> struct K : public CGAL::Exact_predicates_inexact_constructions_kernel {};
>
> // Traits
> typedef CGAL::Triangulation_euclidean_traits_xy_3<K> Gt;
>
> // Data structure with info
> typedef int Index;
> typedef CGAL::Triangulation_vertex_base_with_info_2<Index, K> Info;
> typedef CGAL::Triangulation_data_structure_2<Info> Tds;
>
> // Triangulation constructor
> typedef CGAL::Delaunay_triangulation_2<Gt,Tds> CDT;
> typedef K::Point_3   Point;
>
> typedef CDT::Finite_faces_iterator Finite_faces_iterator;
>
> How do i assign indices to the vertices? Section 29.11 does not really help 
> me.
> I'm new to CGAL.