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#### model::d2::point_xy

2D point in Cartesian coordinate system

###### Model of

Point Concept

###### Synopsis

    template<typename CoordinateType, typename CoordinateSystem>
    class model::d2::point_xy
          : public model::point< CoordinateType, 2, CoordinateSystem >
    {
      // ...
    };

###### Template parameter(s)

Parameter | Default | Description
--- | --- | ---
typename CoordinateType |  | numeric type, for example, double, float, int
typename CoordinateSystem | cs::cartesian | coordinate system, defaults to cs::cartesian

###### Constructor(s)

Function | Description | Parameters
--- | --- | ---

    point_xy()

Default constructor, does not initialize anything.

    point_xy(CoordinateType const & x, CoordinateType const & y)

Constructor with x/y values.

CoordinateType const &: x:

CoordinateType const &: y:

###### Member Function(s)

Function | Description | Parameters | Returns
--- | --- | --- | ---

    CoordinateType const & x()

Get x-value.

    CoordinateType const & y()

Get y-value.

    void x(CoordinateType const & v)

Set x-value.

CoordinateType const &: v:

    void y(CoordinateType const & v)

Set y-value.

CoordinateType const &: v:

###### Header

`#include <boost/geometry/geometries/point_xy.hpp>`