An Ersatz for Surface_mesh<P>::Point_iterator

point_iterator.cpp

#include <vector>

#include <boost/foreach.hpp>

#include <CGAL/Simple_cartesian.h>
#include <CGAL/Surface_mesh.h>
#include <CGAL/centroid.h>

typedef CGAL::Simple_cartesian<double> K;
typedef CGAL::Surface_mesh<K::Point_3> Mesh;
typedef Mesh::Vertex_index vertex_descriptor;


  template <class SM>
    struct V2P {

    typedef K::Point_3 result_type;

    const SM& sm;
    V2P(SM& sm)
      : sm(sm)
    {}

    const typename K::Point_3& operator()(typename SM::Vertex_index v) const
    {
      return sm.point(v);
    } 
    
  };
  


int main()
{
  Mesh m; 
  typedef boost::transform_iterator<V2P<Mesh>,Mesh::Vertex_iterator> Point_iterator;
  V2P<Mesh> v2p(m);
  Point_iterator b = boost::make_transform_iterator(m.vertices().begin(),v2p);
  Point_iterator e = boost::make_transform_iterator(m.vertices().end(),v2p);
  CGAL::centroid(b,e);
  return 0;
}