CGAL users discussion list

["Laurent Rineau (GeometryFactory)" <>]

On Friday 06 November 2009 15:03:28 

 wrote:
> Hi everyone,
> 
> I have a very basic question about  how CGAL allows you to read data
> structures.
> 
> in the mesh_polyhedral domain example (the code follows),  once you have
>  your C3t3 object how do you access the cell (which in that case is a
>  tetrahedra) node indices as integers ?
> 
> basically I would like to just have something similar to
> 
> Vector<Tet> tetVec;
> for(C3t3::Cell_iterator iter = c3t3.cells_begin();iter!=c3t3.cells_end ()
> ;iter++){

At that point, iter->vertex(i) is a Vertex_handle, for example:

  Vertex_handle vh = iter->vertex(0);

and you can access the Vertex like that:
  Vertex& v = *vh;
if you want to access the Point_3:
  vh->point()

-- 
Laurent Rineau, PhD
R&D Engineer at GeometryFactory           http://www.geometryfactory.com/
Release Manager of the CGAL Project       http://www.cgal.org/