Coordinate.h

00001 /**********************************************************************
00002  *
00003  * GEOS - Geometry Engine Open Source
00004  * http://geos.osgeo.org
00005  *
00006  * Copyright (C) 2006 Refractions Research Inc.
00007  *
00008  * This is free software; you can redistribute and/or modify it under
00009  * the terms of the GNU Lesser General Public Licence as published
00010  * by the Free Software Foundation. 
00011  * See the COPYING file for more information.
00012  *
00013  **********************************************************************/
00014 
00015 #ifndef GEOS_GEOM_COORDINATE_H
00016 #define GEOS_GEOM_COORDINATE_H
00017 
00018 #include <geos/export.h>
00019 #include <geos/platform.h> // for DoubleNotANumber
00020 #include <geos/inline.h>
00021 #include <set>
00022 #include <stack>
00023 #include <vector> // for typedefs
00024 #include <string>
00025 #include <limits>
00026 
00027 #ifdef _MSC_VER
00028 #pragma warning(push)
00029 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
00030 #endif
00031 
00032 namespace geos {
00033 namespace geom { // geos.geom
00034 
00035 struct CoordinateLessThen;
00036 
00057 // Define the following to make assignments and copy constructions 
00058 // NON-inline (will let profilers report usages)
00059 //#define PROFILE_COORDINATE_COPIES 1
00060 class GEOS_DLL Coordinate {
00061 
00062 private:
00063 
00064         static Coordinate nullCoord;
00065 
00066 public:
00068         typedef std::set<const Coordinate *, CoordinateLessThen> ConstSet;
00069 
00071         typedef std::vector<const Coordinate *> ConstVect;
00072 
00074         typedef std::stack<const Coordinate *> ConstStack;
00075 
00077         typedef std::vector<Coordinate> Vect;
00078 
00080         double x;
00081 
00083         double y;
00084 
00086         double z;
00087 
00088         void setNull();
00089 
00090         static Coordinate& getNull();
00091 
00092         bool isNull() const;
00093 
00094         Coordinate(double xNew=0.0, double yNew=0.0, double zNew=DoubleNotANumber);
00095 
00096         bool equals2D(const Coordinate& other) const;
00097 
00099         bool equals(const Coordinate& other) const;
00100 
00102         int compareTo(const Coordinate& other) const;
00103 
00105         bool equals3D(const Coordinate& other) const;
00106 
00108         std::string toString() const;
00109 
00112         //void makePrecise(const PrecisionModel *pm);
00113 
00114         double distance(const Coordinate& p) const;
00115 
00116         int hashCode() const;
00117 
00122         static int hashCode(double d);
00123 
00124 };
00125 
00127 struct GEOS_DLL CoordinateLessThen {
00128 
00129         bool operator()(const Coordinate* a, const Coordinate* b) const;
00130         bool operator()(const Coordinate& a, const Coordinate& b) const;
00131 
00132 };
00133 
00135 inline bool operator<(const Coordinate& a, const Coordinate& b) {
00136   return CoordinateLessThen()(a,b);
00137 }
00138 
00140 GEOS_DLL std::ostream& operator<< (std::ostream& os, const Coordinate& c);
00141 
00143 GEOS_DLL bool operator==(const Coordinate& a, const Coordinate& b);
00144 
00146 GEOS_DLL bool operator!=(const Coordinate& a, const Coordinate& b);
00147 
00148 
00149 
00150 } // namespace geos.geom
00151 } // namespace geos
00152 
00153 #ifdef _MSC_VER
00154 #pragma warning(pop)
00155 #endif
00156 
00157 #ifdef GEOS_INLINE
00158 # include "geos/geom/Coordinate.inl"
00159 #endif
00160 
00161 #endif // ndef GEOS_GEOM_COORDINATE_H
00162 

Generated on 15 May 2014 for GEOS by  doxygen 1.4.7