CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

Yifei Li wrote:
> Hi folks,
>
> I have a set of points and for each point p, I need to find all the 
> neighbouring points in the ball centered at p with radius r. Also I need 
> to know the indices for those neighbouring points, which is why I use 
> Search_traits_vertex_handle_3
>
> Here is how I do it:
>
> typedef CGAL::Search_traits_vertex_handle_3<unsigned int>       Traits;
>
> Tree tree(V.begin(), V.end());     // Kd tree
>
> Fuzzy_sphere fs(Point(10.0,10.0,10.0,0), 15, 0);
>
> tree.search(std::ostream_iterator<Point>(std::cout, "\n"), fs);
>
> However, I got the following compile error:
>
> opt/local/include/CGAL/Fuzzy_sphere.h:50: error: ‘struct 
> CGAL::Point_vertex_handle_3<unsigned int>’ has no member named ‘dimension’
>
> Any help is appreciated.
>
> Yifei
Why are you using Fuzzy_sphere which is a d-dimensional sphere?
What about using Sphere_3 instead?

S.