Coordinate.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2006 Refractions Research Inc.
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of the GNU Lesser General Public Licence as published
 * by the Free Software Foundation.
 * See the COPYING file for more information.
 *
 **********************************************************************/
 
#ifndef GEOS_GEOM_COORDINATE_H
#define GEOS_GEOM_COORDINATE_H
 
#include <geos/export.h>
#include <geos/platform.h> // for DoubleNotANumber
#include <geos/inline.h>
#include <set>
#include <stack>
#include <vector> // for typedefs
#include <string>
#include <limits>
 
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
#endif
 
namespace geos {
namespace geom { // geos.geom
 
struct CoordinateLessThen;

// Define the following to make assignments and copy constructions
// NON-inline (will let profilers report usages)
//#define PROFILE_COORDINATE_COPIES 1
class GEOS_DLL Coordinate {
 
private:
 
        static Coordinate _nullCoord;
 
public:
        typedef std::set<const Coordinate *, CoordinateLessThen> ConstSet;

        typedef std::vector<const Coordinate *> ConstVect;

        typedef std::stack<const Coordinate *> ConstStack;

        typedef std::vector<Coordinate> Vect;

        double x;

        double y;

        double z;
 
        void setNull();
 
        static Coordinate& getNull();
 
        bool isNull() const;
 
        Coordinate(double xNew=0.0, double yNew=0.0, double zNew=DoubleNotANumber);
 
        bool equals2D(const Coordinate& other) const;

        bool equals(const Coordinate& other) const;

        int compareTo(const Coordinate& other) const;

        bool equals3D(const Coordinate& other) const;

        std::string toString() const;

        //void makePrecise(const PrecisionModel *pm);
 
        double distance(const Coordinate& p) const;
 
        int hashCode() const;

        static int hashCode(double d);
 
};

struct GEOS_DLL CoordinateLessThen {
 
        bool operator()(const Coordinate* a, const Coordinate* b) const;
        bool operator()(const Coordinate& a, const Coordinate& b) const;
 
};

inline bool operator<(const Coordinate& a, const Coordinate& b) {
  return CoordinateLessThen()(a,b);
}

GEOS_DLL std::ostream& operator<< (std::ostream& os, const Coordinate& c);

GEOS_DLL bool operator==(const Coordinate& a, const Coordinate& b);

GEOS_DLL bool operator!=(const Coordinate& a, const Coordinate& b);
 
 
 
} // namespace geos.geom
} // namespace geos
 
#ifdef _MSC_VER
#pragma warning(pop)
#endif
 
#ifdef GEOS_INLINE
# include "geos/geom/Coordinate.inl"
#endif
 
#endif // ndef GEOS_GEOM_COORDINATE_H