CGAL 6.1.1 - 2D and 3D Linear Geometry Kernel

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Kernel::ConstructProjectedXYPoint_2 Concept Reference
Reference Manual » Concepts » Kernel Function Object Concepts

## Definition

Refines
  `AdaptableBinaryFunction`

See also
  `CGAL::Plane_3<Kernel>`
  `ConstructLiftedPoint_3`

## Operations
A model of this concept must provide:
Kernel::Point_2 | operator() (const Kernel::Plane_3 &h, const Kernel::Point_3 &p)
| returns the image point of the projection of `p` under an affine transformation, which maps `h` onto the \( xy\)-plane, with the \( z\)-coordinate removed.

## Member Function Documentation

## ◆ operator()()

Kernel::Point_2 Kernel::ConstructProjectedXYPoint_2::operator() | ( | const Kernel::Plane_3 & | h,
|  | const Kernel::Point_3 & | p
| ) |  |

returns the image point of the projection of `p` under an affine transformation, which maps `h` onto the \( xy\)-plane, with the \( z\)-coordinate removed.

This affine transformation must be the inverse of the affine transformation used in `ConstructLiftedPoint_3`.