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# HCoordinate.h

    00001 /**********************************************************************
    00002  * $Id: HCoordinate.h 2556 2009-06-06 22:22:28Z strk $
    00003  *
    00004  * GEOS - Geometry Engine Open Source
    00005  * http://geos.refractions.net
    00006  *
    00007  * Copyright (C) 2005-2006 Refractions Research Inc.
    00008  * Copyright (C) 2001-2002 Vivid Solutions Inc.
    00009  *
    00010  * This is free software; you can redistribute and/or modify it under
    00011  * the terms of the GNU Lesser General Public Licence as published
    00012  * by the Free Software Foundation.
    00013  * See the COPYING file for more information.
    00014  *
    00015  **********************************************************************
    00016  *
    00017  * Last port: algorithm/HCoordinate.java rev. 1.18 (JTS-1.9)
    00018  *
    00019  **********************************************************************/
    00020
    00021 #ifndef GEOS_ALGORITHM_HCOORDINATE_H
    00022 #define GEOS_ALGORITHM_HCOORDINATE_H
    00023
    00024 #include <geos/export.h>
    00025 #include <iosfwd>
    00026
    00027 // Forward declarations
    00028 namespace geos {
    00029         namespace geom {
    00030                 class Coordinate;
    00031         }
    00032 }
    00033
    00034 namespace geos {
    00035 namespace algorithm { // geos::algorithm
    00036
    00037
    00044 class GEOS_DLL HCoordinate {
    00045
    00046 public:
    00047
    00048         friend std::ostream& operator<< (std::ostream& o, const HCoordinate& c);
    00049
    00060         static void intersection(const geom::Coordinate &p1,
    00061                                  const geom::Coordinate &p2,
    00062                                  const geom::Coordinate &q1,
    00063                                  const geom::Coordinate &q2,
    00064                                  geom::Coordinate &ret);
    00065
    00066         long double x,y,w;
    00067
    00068         HCoordinate();
    00069
    00070         HCoordinate(long double _x, long double _y, long double _w);
    00071
    00072         HCoordinate(const geom::Coordinate& p);
    00073
    00082         HCoordinate(const geom::Coordinate& p1, const geom::Coordinate& p2);
    00083
    00084         HCoordinate(const geom::Coordinate& p1, const geom::Coordinate& p2,
    00085                     const geom::Coordinate& q1, const geom::Coordinate& q2);
    00086
    00087         HCoordinate(const HCoordinate &p1, const HCoordinate &p2);
    00088
    00089         long double getX() const;
    00090
    00091         long double getY() const;
    00092
    00093         void getCoordinate(geom::Coordinate &ret) const;
    00094
    00095 };
    00096
    00097 std::ostream& operator<< (std::ostream& o, const HCoordinate& c);
    00098
    00099 } // namespace geos::algorithm
    00100 } // namespace geos
    00101
    00102 #endif // GEOS_ALGORITHM_HCOORDINATE_H
    00103
    00104 /**********************************************************************
    00105  * $Log$
    00106  * Revision 1.4  2006/04/20 14:27:40  strk
    00107  * HCoordinate class changed to use long double types internally, in order to improve computation precision
    00108  *
    00109  * Revision 1.3  2006/04/14 09:02:16  strk
    00110  * Hadded output operator and debugging prints for HCoordinate.
    00111  *
    00112  * Revision 1.2  2006/04/04 11:37:01  strk
    00113  * Port information + initialization lists in ctors
    00114  *
    00115  * Revision 1.1  2006/03/09 16:46:48  strk
    00116  * geos::geom namespace definition, first pass at headers split
    00117  *
    00118  **********************************************************************/
    00119