CGAL 6.2 - dD Spatial Searching: CGAL::Search_traits_2< SearchGeomTraits > Class Template Reference

CGAL 6.2 - dD Spatial Searching

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CGAL::Search_traits_2< SearchGeomTraits > Class Template Reference
Reference Manual » Search Traits Classes

`#include <CGAL/Search_traits_2.h>`

## Definition

template<typename SearchGeomTraits>
class CGAL::Search_traits_2< SearchGeomTraits >

The class `Search_traits_2` can be used as a template parameter of the kd tree and the search classes.

Template Parameters

  SearchGeomTraits | must be a model of the concept `SearchGeomTraits_2`, for example `Simple_cartesian<double>` or `Simple_cartesian<Gmpq>`.

Is model of
  `SearchTraits`
  `RangeSearchTraits`

See also
  `Search_traits_3<SearchGeomTraits_2>`
  `Search_traits<NT,Point,CartesianConstIterator,ConstructCartesianConstIterator,Dim>`

Examples
  Spatial_searching/circular_query.cpp, Spatial_searching/distance_browsing.cpp, Spatial_searching/iso_rectangle_2_query.cpp, Spatial_searching/iso_rectangle_2_query_projection.cpp, Spatial_searching/nearest_neighbor_searching.cpp, Spatial_searching/searching_sphere_orthogonally.cpp, Spatial_searching/searching_with_circular_query.cpp, Spatial_searching/splitter_worst_cases.cpp, Spatial_searching/using_fair_splitting_rule.cpp, and Spatial_searching/weighted_Minkowski_distance.cpp.

## Types
typedef Dimension_tag< 2 > | Dimension
| Dimension type.
typedef SearchGeomTraits::FT | FT
| Number type.
typedef SearchGeomTraits::Point_2 | Point_d
| Point type.
typedef SearchGeomTraits::Iso_rectangle_2 | Iso_box_d
| Iso box type.
typedef SearchGeomTraits::Circle_2 | Sphere_d
| Sphere type.
typedef SearchGeomTraits::Cartesian_const_iterator_2 | Cartesian_const_iterator_d
| An iterator over the Cartesian coordinates.
typedef SearchGeomTraits::Construct_cartesian_const_iterator_2 | Construct_cartesian_const_iterator_d
| A functor with two function operators, which return the begin and past the end iterator for the Cartesian coordinates.
typedef SearchGeomTraits::Construct_iso_rectangle_2 | Construct_iso_box_d
| Functor with operator to construct the iso box from two points.
typedef SearchGeomTraits::Construct_center_2 | Construct_center_d
| Functor with operator to construct the center of an object of type `Sphere_d`.
typedef SearchGeomTraits::Compute_squared_radius_2 | Compute_squared_radius_d
| Functor with operator to compute the squared radius of a an object of type `Sphere_d`.
typedef SearchGeomTraits::Construct_min_vertex_2 | Construct_min_vertex_d
| Functor with operator to construct the vertex with lexicographically smallest coordinates of an object of type `Iso_box_d`.
typedef SearchGeomTraits::Construct_max_vertex_2 | Construct_max_vertex_d
| Functor with operator to construct the vertex with lexicographically largest coordinates of an object of type `Iso_box_d`.

## Member Typedef Documentation

## ◆ Construct_cartesian_const_iterator_d

template<typename SearchGeomTraits >

typedef SearchGeomTraits::Construct_cartesian_const_iterator_2 CGAL::Search_traits_2< SearchGeomTraits >::Construct_cartesian_const_iterator_d

A functor with two function operators, which return the begin and past the end iterator for the Cartesian coordinates.

The functor for begin has as argument a `Point_d`. The functor for the past the end iterator, has as argument a `Point_d` and an `int`.