GEOS 3.3.4

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Coordinate.h
1 /**********************************************************************
2 * $Id: Coordinate.h 3367 2011-05-17 16:50:03Z strk $
3 *
4 * GEOS - Geometry Engine Open Source
5 * http://geos.refractions.net
6 *
7 * Copyright (C) 2006 Refractions Research Inc.
8 *
9 * This is free software; you can redistribute and/or modify it under
10 * the terms of the GNU Lesser General Public Licence as published
11 * by the Free Software Foundation.
12 * See the COPYING file for more information.
13 *
14 **********************************************************************/
15
16 #ifndef GEOS_GEOM_COORDINATE_H
17 #define GEOS_GEOM_COORDINATE_H
18
19 #include <geos/export.h>
20 #include <geos/platform.h> // for DoubleNotANumber
21 #include <geos/inline.h>
22 #include <set>
23 #include <stack>
24 #include <vector> // for typedefs
25 #include <string>
26 #include <limits>
27
28 #ifdef _MSC_VER
29 #pragma warning(push)
30 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
31 #endif
32
33 namespace geos {
34 namespace geom { // geos.geom
35
36 struct CoordinateLessThen;
37
58 // Define the following to make assignments and copy constructions
59 // NON-inline (will let profilers report usages)
60 //#define PROFILE_COORDINATE_COPIES 1
61 class GEOS_DLL Coordinate {
62
63 private:
64
65 static Coordinate nullCoord;
66
67 public:
69 typedef std::set<const Coordinate *, CoordinateLessThen> ConstSet;
70
72 typedef std::vector<const Coordinate *> ConstVect;
73
75 typedef std::stack<const Coordinate *> ConstStack;
76
78 typedef std::vector<Coordinate> Vect;
79
81 double x;
82
84 double y;
85
87 double z;
88
89 void setNull();
90
91 static Coordinate& getNull();
92
93 bool isNull() const;
94
95 ~Coordinate();
96
97 Coordinate(double xNew=0.0, double yNew=0.0, double zNew=DoubleNotANumber);
98
99 bool equals2D(const Coordinate& other) const;
100
102 bool equals(const Coordinate& other) const;
103
105 int compareTo(const Coordinate& other) const;
106
108 bool equals3D(const Coordinate& other) const;
109
111 std::string toString() const;
112
115 //void makePrecise(const PrecisionModel *pm);
116
117 double distance(const Coordinate& p) const;
118
119 int hashCode() const;
120
125 static int hashCode(double d);
126
127 };
128
130 struct GEOS_DLL CoordinateLessThen {
131
132 bool operator()(const Coordinate* a, const Coordinate* b) const;
133 bool operator()(const Coordinate& a, const Coordinate& b) const;
134
135 };
136
138 inline bool operator<(const Coordinate& a, const Coordinate& b) {
139 return CoordinateLessThen()(a,b);
140 }
141
143 GEOS_DLL std::ostream& operator<< (std::ostream& os, const Coordinate& c);
144
146 GEOS_DLL bool operator==(const Coordinate& a, const Coordinate& b);
147
149 GEOS_DLL bool operator!=(const Coordinate& a, const Coordinate& b);
150
151
152
153 } // namespace geos.geom
154 } // namespace geos
155
156 #ifdef _MSC_VER
157 #pragma warning(pop)
158 #endif
159
160 #ifdef GEOS_INLINE
161 # include "geos/geom/Coordinate.inl"
162 #endif
163
164 #endif // ndef GEOS_GEOM_COORDINATE_H
165