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## SearchTraits

### Definition

The concept SearchTraits defines the requirements for the template parameter of the search classes.

### Types

SearchTraits::Point_d
| Point type. CGAL::Kernel_traits has to be specialized for this type.
SearchTraits::Iso_box_d
| Iso box type. It is only needed for range search queries.
SearchTraits::Sphere_d
| Sphere type. It is only needed for range search queries.
SearchTraits::FT
| The number type of the Cartesian coordinates of types Point_d
SearchTraits::Cartesian_const_iterator
| An random access iterator type to enumerate the Cartesian coordinates of a point.
SearchTraits::Construct_cartesian_const_iterator
| Functor with operators to construct iterators on the first and the past-the-end iterator for the Cartesian coordinates of a point.
SearchTraits::Construct_center_d;
| Functor with operator to construct the center of an object of type Sphere_d.
SearchTraits::Construct_squared_radius_d;
| Functor with operator to compute the squared radius of a an object of type Sphere_d.
SearchTraits::Construct_min_vertex_d;
| Functor with operator to construct the vertex with lexicographically smallest coordinates of an object of type Iso_box_d.
SearchTraits::Construct_max_vertex_d;
| Functor with operator to construct the vertex with lexicographically largest coordinates of an object of type Iso_box_d.

### Has Models

CGAL::Cartesian_d<FT>
CGAL::Homogeneous_d<RT>
CGAL::Search_traits_2<Kernel>
CGAL::Search_traits_3<Kernel>,
CGAL::Search_traits<NT,Point,CartesianCoordinateIterator,ConstructCartesianCoordinateIterator,ConstructMinVertex,ConstructMaxVertex>.

Next: Search_traits_2<Kernel>

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The CGAL Project . Tue, December 21, 2004 .