CGAL 6.2 - 2D and 3D Linear Geometry Kernel: Kernel::LessSignedDistanceToPlane_3 Concept Reference

CGAL 6.2 - 2D and 3D Linear Geometry Kernel

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Kernel::LessSignedDistanceToPlane_3 Concept Reference
Reference Manual » Concepts » Kernel Function Object Concepts

## Definition

Refines
  `AdaptableTernaryFunction`

See also
  `CGAL::has_smaller_signed_distance_to_plane()`

## Operations
A model of this concept must provide:
bool | operator() (const Kernel::Plane_3 &p, const Kernel::Point_3 &q, const Kernel::Point_3 &r)
| returns true, iff the signed distance from point `q` to plane `p` is smaller than the signed distance from point `r` to `p`.
bool | operator() (const Kernel::Point_3 &p1, const Kernel::Point_3 &p2, const Kernel::Point_3 &p3, const Kernel::Point_3 &q, const Kernel::Point_3 &r)
| returns true, iff the signed distance from point `q` to the plane `p` defined by `p1, p2, p3` is smaller than the signed distance from point `r` to `p`.

## Member Function Documentation

## ◆ operator()()

bool Kernel::LessSignedDistanceToPlane_3::operator() | ( | const Kernel::Point_3 & | p1,
|  | const Kernel::Point_3 & | p2,
|  | const Kernel::Point_3 & | p3,
|  | const Kernel::Point_3 & | q,
|  | const Kernel::Point_3 & | r
| ) |  |

returns true, iff the signed distance from point `q` to the plane `p` defined by `p1, p2, p3` is smaller than the signed distance from point `r` to `p`.

Precondition
  `p, q`, and `r` are not collinear.