CGAL::Convex_hull_constructive_traits_2<R>
CGAL::Convex_hull_traits_2<R>
CGAL::Convex_hull_traits_adapter_2<R>
CGAL::Projection_traits_xy_3<K>
CGAL::Projection_traits_yz_3 <K>
CGAL::Projection_traits_xz_3<K>