CGAL 5.6 - 2D and 3D Linear Geometry Kernel
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CGAL::Dynamic_dimension_tag Struct Reference

#include <CGAL/Dimension.h>

Definition

An object of the class Dynamic_dimension_tag is an empty object which can be used for dispatching functions based on the dimension of an object.

Dynamic_dimension_tag indicates that the dimension is not known at compile-time. Dimension_tag is the tag class dealing with compile-time dimensions.

Example

The following code declares two functions constructing two points at the origin, either in 2D or in 3D.

Point_2<K> get_origin(Dimension_tag<2>) { return Point_2<K>(ORIGIN); }
Point_3<K> get_origin(Dimension_tag<3>) { return Point_3<K>(ORIGIN); }
Point_d<K> get_origin(Dynamic_dimension_tag) { return Point_d<K>(ORIGIN); }
std::cout << get_origin(Dynamic_dimension_tag())) << std::endl;
An object p of the class Point_2 is a point in the two-dimensional Euclidean plane .
Definition: Point_2.h:38
An object of the class Point_3 is a point in the three-dimensional Euclidean space .
Definition: Point_3.h:24
const CGAL::Origin ORIGIN
A symbolic constant which denotes the point at the origin.
Definition: enum.h:169
An object of the class Dimension_tag is an empty object which can be used for dispatching functions b...
Definition: Dimension.h:86
See also
CGAL::Dimension_tag<int dim>
CGAL::Ambient_dimension<T, K>
CGAL::Feature_dimension<T, K>