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[Gmain <>]

Hello,

I'm using the function join_face() to modify my HDS.  I delete an existing
Halfedge and its opposite() in following way:

        Halfedge_handle h=this->H->next()->opposite();
        HDS_exact::Halfedge_handle h2=H_opposite->prev()->opposite();
        this->Intersectionmesh->myHDSdecorator_e.join_face (h);
        this->Intersectionmesh->myHDSdecorator_e.join_face (h2);
        this->Intersectionmesh->myHDSdecorator_e.join_vertex(H_opposite);



CGAL::HalfedgeDS_items_decorator<HDS>
HalfedgeDS_decorator<HDS> D ( HDS& hds); 


Halfedge_handle         D.join_face ( Halfedge_handle h)