MySQL 8.0.30
Source Code Documentation
hausdorff_distance_functor.h
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1#ifndef GIS__HAUSDORFF_DISTANCE_FUNCTOR_H_INCLUDED
2#define GIS__HAUSDORFF_DISTANCE_FUNCTOR_H_INCLUDED
3
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25
26/// @file
27///
28/// This file declares the hausdorff_distance functor interface.
29///
30/// The functor is not intended for use directly by MySQL code. It should be
31/// used indirectly through the gis::hausdorff_distance() function.
32///
33/// @see gis::hausdorff_distance
34
35#include <memory> // std::unique_ptr
36
37#include <boost/geometry.hpp>
38#include "sql/gis/functor.h"
39#include "sql/gis/geometries.h"
40
41namespace gis {
42
43/// HausdorffDistance functor that calls Boost.Geometry with the
44/// correct parameter types.
45///
46/// The functor throws exceptions and is therefore only intended used to
47/// implement hausdorff_distance or other geographic functions.
48/// It should not be used directly by other MySQL code.
49class Hausdorff_distance : public Functor<double> {
50 private:
51 std::unique_ptr<boost::geometry::strategy::distance::geographic<
52 boost::geometry::strategy::andoyer,
53 boost::geometry::srs::spheroid<double>>>
55
56 public:
57 Hausdorff_distance(double major, double minor);
58 double operator()(const Geometry *g1, const Geometry *g2) const override;
59
60 double eval(const Geometry *g1, const Geometry *g2) const;
61
62 double eval(const Cartesian_point *g1, const Cartesian_multipoint *g2) const;
63 double eval(const Cartesian_multipoint *g1, const Cartesian_point *g2) const;
64 double eval(const Cartesian_linestring *g1,
65 const Cartesian_linestring *g2) const;
66 double eval(const Cartesian_multipoint *g1,
67 const Cartesian_multipoint *g2) const;
68 double eval(const Cartesian_linestring *g1,
69 const Cartesian_multilinestring *g2) const;
70 double eval(const Cartesian_multilinestring *g1,
71 const Cartesian_linestring *g2) const;
72 double eval(const Cartesian_multilinestring *g1,
73 const Cartesian_multilinestring *g2) const;
74
75 double eval(const Geographic_point *g1,
76 const Geographic_multipoint *g2) const;
77 double eval(const Geographic_multipoint *g1,
78 const Geographic_point *g2) const;
79 double eval(const Geographic_linestring *g1,
80 const Geographic_linestring *g2) const;
81 double eval(const Geographic_multipoint *g1,
82 const Geographic_multipoint *g2) const;
83 double eval(const Geographic_linestring *g1,
84 const Geographic_multilinestring *g2) const;
85 double eval(const Geographic_multilinestring *g1,
86 const Geographic_linestring *g2) const;
87 double eval(const Geographic_multilinestring *g1,
88 const Geographic_multilinestring *g2) const;
89};
90
91} // namespace gis
92
93#endif // GIS__HAUSDORFF_DISTANCE_FUNCTOR_H_INCLUDED
A Cartesian 2d linestring.
Definition: geometries_cs.h:70
A Cartesian 2d multilinestring.
Definition: geometries_cs.h:601
A Cartesian 2d multipoint.
Definition: geometries_cs.h:500
A Cartesian 2d point.
Definition: geometries_cs.h:46
The base class of all functors that takes two geometry arguments.
Definition: functor.h:164
A geographic (ellipsoidal) 2d linestring.
Definition: geometries_cs.h:124
A geographic (ellipsoidal) 2d multilinestring.
Definition: geometries_cs.h:660
A geographic (ellipsoidal) 2d multipoint.
Definition: geometries_cs.h:551
A geographic (ellipsoidal) 2d point.
Definition: geometries_cs.h:57
Abstract superclass for all geometric objects.
Definition: geometries.h:99
HausdorffDistance functor that calls Boost.Geometry with the correct parameter types.
Definition: hausdorff_distance_functor.h:49
double eval(const Geometry *g1, const Geometry *g2) const
Definition: hausdorff_distance.cc:58
double operator()(const Geometry *g1, const Geometry *g2) const override
Definition: hausdorff_distance.cc:53
std::unique_ptr< boost::geometry::strategy::distance::geographic< boost::geometry::strategy::andoyer, boost::geometry::srs::spheroid< double > > > m_geographic_strategy
Definition: hausdorff_distance_functor.h:54
Hausdorff_distance(double major, double minor)
Definition: hausdorff_distance.cc:47
This file contains the superclasses for GIS functors.
This file declares the geometry class hierarchy used by the server as the internal representation of ...
Definition: area.cc:46
std::conditional_t< !std::is_array< T >::value, std::unique_ptr< T, detail::Deleter< T > >, std::conditional_t< detail::is_unbounded_array_v< T >, std::unique_ptr< T, detail::Array_deleter< std::remove_extent_t< T > > >, void > > unique_ptr
The following is a common type that is returned by all the ut::make_unique (non-aligned) specializati...
Definition: ut0new.h:2436