box_traits.h

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#ifndef SQL_GIS_BOX_TRAITS_H_INCLUDED
#define SQL_GIS_BOX_TRAITS_H_INCLUDED
 
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/// @file
///
/// This file contains Boost.Geometry type traits declarations for Cartesian and
/// geographic boxes.
///
/// @see box.h
 
#include <boost/geometry/geometries/concepts/box_concept.hpp>
 
#include "sql/gis/box.h"
#include "sql/gis/geometries.h"
#include "sql/gis/geometries_cs.h"
#include "sql/gis/geometries_traits.h"  // To get fully defined traits.
 
namespace boost {
namespace geometry {
namespace traits {
 
////////////////////////////////////////////////////////////////////////////////
 
// Cartesian
 
template <>
struct tag<gis::Cartesian_box> {
  typedef box_tag type;
};
 
template <>
struct point_type<gis::Cartesian_box> {
  typedef gis::Cartesian_point type;
};
 
template <std::size_t Dimension>
struct indexed_access<gis::Cartesian_box, min_corner, Dimension> {
  static inline double get(gis::Cartesian_box const &b) {
    return b.min_corner().get<Dimension>();
  }
 
  static inline void set(gis::Cartesian_box &b, double const &value) {
    b.min_corner().set<Dimension>(value);
  }
};
 
template <std::size_t Dimension>
struct indexed_access<gis::Cartesian_box, max_corner, Dimension> {
  static inline double get(gis::Cartesian_box const &b) {
    return b.max_corner().get<Dimension>();
  }
 
  static inline void set(gis::Cartesian_box &b, double const &value) {
    b.max_corner().set<Dimension>(value);
  }
};
 
////////////////////////////////////////////////////////////////////////////////
 
// Geographic
 
template <>
struct tag<gis::Geographic_box> {
  typedef box_tag type;
};
 
template <>
struct point_type<gis::Geographic_box> {
  typedef gis::Geographic_point type;
};
 
template <std::size_t Dimension>
struct indexed_access<gis::Geographic_box, min_corner, Dimension> {
  static inline double get(gis::Geographic_box const &b) {
    return b.min_corner().get<Dimension>();
  }
 
  static inline void set(gis::Geographic_box &b, double const &value) {
    b.min_corner().set<Dimension>(value);
  }
};
 
template <std::size_t Dimension>
struct indexed_access<gis::Geographic_box, max_corner, Dimension> {
  static inline double get(gis::Geographic_box const &b) {
    return b.max_corner().get<Dimension>();
  }
 
  static inline void set(gis::Geographic_box &b, double const &value) {
    b.max_corner().set<Dimension>(value);
  }
};
 
}  // namespace traits
}  // namespace geometry
}  // namespace boost
 
#endif  // SQL_GIS_BOX_H_INCLUDED