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## Kernel::HasOn_3

A model for this must provide:

bool | fo.operator() ( Kernel::Line_3 l, Kernel::Point_3 p)
|  | returns true iff p lies on l.
bool | fo.operator() ( Kernel::Ray_3 r, Kernel::Point_3 p)
|  | returns true iff p lies on r.
bool |
fo.operator() ( | Kernel::Segment_3 s, Kernel::Point_3 p)
|  | returns true iff p lies on s.
bool |
fo.operator() ( | Kernel::Plane_3 pl, Kernel::Point_3 p)
|  | returns true iff p lies on pl.
bool |
fo.operator() ( | Kernel::Triangle_3 t, Kernel::Point_3 p)
|  | returns true iff p lies on t.

### Refines

AdaptableFunctor (with two arguments)

### See Also

CGAL::Line_3<Kernel>
CGAL::Plane_3<Kernel>
CGAL::Ray_3<Kernel>
CGAL::Segment_3<Kernel>
CGAL::Sphere_3<Kernel>
CGAL::Triangle_3<Kernel>

Next: Kernel::Intersect_2

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The CGAL Project . Tue, December 21, 2004 .