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[deeFisher <>]

Thanks for the file. It seems to have lost some detail though (attached
image). 

so from my code can you work out how i have been duplicating my edges?

        void operator()(HDS& hds)
        {
                typedef typename HDS::Vertex   Vertex;
                typedef typename Vertex::Point Point;

                // Postcondition: hds is a valid polyhedral surface.
                CGAL::Polyhedron_incremental_builder_3<HDS> B(hds, true);
                B.begin_surface(v, f);

                for (int i = 0; i < (int)coords.size(); i += 3){
                        B.add_vertex(Point(coords[i + 0], coords[i + 1], 
coords[i + 2]));
                }


                // add the polyhedron triangles
                for (static int i = 0; i<(f * 3); i += 3){
                        B.begin_facet();
                        B.add_vertex_to_facet(i);
                        B.add_vertex_to_facet(i+1);
                        B.add_vertex_to_facet(i+2);
                        B.end_facet();
                }

                // finish up the surface
                B.end_surface();

                
        } 
<http://cgal-discuss.949826.n4.nabble.com/file/n4660022/difference.png> 



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