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Hi!

I have a Polyhedron_3 object and i would like to get the 3 vertex-index of
facet.
Basically what i want is a list of indexes which is exactly the same as the 
2nd
part of an .off model. 

How can i do that?
I tried:

for ( Facet_const_iterator i = Poly.facets_begin(); i != Poly.facets_end();
++i)
{
    cout << i->plane() << endl;
}

but it only prints out for zeros a line. 

Thank you very much in advance!

Sincerely,

Zoli