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[sara_mahdavi <>]

hi
I need all facet in power diagram (infinite or finite) ,that I know a facet
is the dual of an edge
in the regular triangulation. Then all finite cells incident to an edge give
me the points
bounding the face. 
this code is:
Finite_cells_iterator fc = T.finite_cells_begin();
  for( ; fc != T.finite_cells_end(); ++fc) 
   cell_cir= T.incident_cells(*ei);// ei is edge in traingulation
  Cell_circulator done(cell_cir) ;      
  Point_3  p1;
  do
     {
       p1=T.dual(cell_cir)              ;
         p2.push_back(p1);     //p2 maintance all points bounded one face
     } while (++cell_cir!=done);
      CGAL::Object ch_object;
  // compute convex hull
  CGAL::convex_hull_3(p2.begin(), p2.end(), ch_object); // convex hull(p2)
is facet in power diagram

but ,I dont know that the facet in power diagram with this code infinite
obtained or no?
please help me ,
thanks.
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