{ int i=0;

typedef Triangulation::Full_cell_iterator Full_cell_iterator;

typedef Triangulation::Facet Facet;

for( Full_cell_iterator cit = t.full_cells_begin();

cit != t.full_cells_end(); ++cit )

{

if( ! t.is_infinite(cit) )

continue;

Facet ft(cit, cit->index(t.infinite_vertex()));

++i;// |ft| is a facet of the convex hull

}

std::cout << "There are " << i << " facets on the convex hull."<< std::endl;

}