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[Kuan <>]

Hi all,
I have a problem with Voronoi Diagram.
I want to transfer a infinite Voronoi Diagram edge(which is a Halfedge) to Ray_2;
I do it like this.
DT::Edge e = ec->dual();   //ec is the infinite Halfedge
                dt.dual(e);        //dt is the dual of the Voronoi Diagram vd, but it doesn't work here
                CGAL::Object obj;
                Ray_2 r1;
                Segment_2 s;
                if (assign(r1, obj)) {
                    /* do something with ray*/
                    int a =0;

                } else if (assign(s, obj)) {
                    /* do something with segment*/
                }