CGAL users discussion list

[Mael Rouxel-Labbé <>]

Hello,

You can find some inspiration in the triangulation input/output 
operators of CGAL, for example: 
https://github.com/CGAL/cgal/blob/master/Triangulation_3/include/CGAL/IO/Triangulation_off_ostream_3.h.

On 22/01/2018 15:52, ahmedtolba wrote:
> Hi,
> I'm trying to draw a 3D mesh using cgal using directx
> In DirectX I need three indices of the 3D Mesh.
>
> I'm doing the following, but I get broken triangles
>
> std::vector<unsigned int> triangles;
>          std::map<Delaunay3::Vertex_handle, int> Vertices;
>          int index = 1;
>
>          for (Delaunay3::Finite_vertices_iterator vit =
> dt.finite_vertices_begin(), end = dt.finite_vertices_end(); vit != end;
> ++vit)
>          {
>                  Vertices[vit] = index;
>                  index++;
>          }
>
>          for (Delaunay3::Finite_cells_iterator cit = dt.finite_cells_begin(),
> end = dt.finite_cells_end(); cit != end; ++cit)
>          {
>                  int V1ind = Vertices.find(cit->vertex(0))->second;
>                  int V2ind = Vertices.find(cit->vertex(1))->second;
>                  int V3ind = Vertices.find(cit->vertex(2))->second;
>                  int V4ind = Vertices.find(cit->vertex(3))->second;
>                  triangles.push_back(V1ind);
>                  triangles.push_back(V2ind);
>                  triangles.push_back(V3ind);
>    }
>
>
>
>
> --
> Sent from: http://cgal-discuss.949826.n4.nabble.com/