CGAL 6.1.2 - 2D Polygon Partitioning: CGAL::Partition_is_valid_traits_2< Traits, PolygonIsValid > Class Template Reference

CGAL 6.1.2 - 2D Polygon Partitioning

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CGAL::Partition_is_valid_traits_2< Traits, PolygonIsValid > Class Template Reference
Reference Manual

`#include <CGAL/Partition_is_valid_traits_2.h>`

## Inherits from

Traits.

## Definition

template<typename Traits, typename PolygonIsValid>
class CGAL::Partition_is_valid_traits_2< Traits, PolygonIsValid >

Class that derives a traits class for `partition_is_valid_2()` from a given traits class by defining the validity testing function object in terms of a supplied template parameter.

Is model of
  `PartitionIsValidTraits_2`

See also
  `CGAL::Is_convex_2<Traits>`
  `CGAL::Is_vacuously_valid<Traits>`
  `CGAL::Is_y_monotone_2<Traits>`
  `CGAL::Partition_traits_2<R>`

Example

See the example presented with the function `optimal_convex_partition_2()` for an illustration of the use of this traits class.

## Types
typedef PolygonIsValid | Is_valid
typedef Traits::Point_2 | Point_2
typedef Traits::Polygon_2 | Polygon_2
typedef Traits::Less_xy_2 | Less_xy_2
typedef Traits::Left_turn_2 | Left_turn_2
typedef Traits::Orientation_2 | Orientation_2

## Operations
The constructors and member functions for creating instances of the above types are inherited from `Traits`. In addition, the following member function is defined:
Is_valid | is_valid_object (const Traits &traits) const
| function returning an instance of `Is_valid`