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OrientedCoordinateArray.h

00001 /**********************************************************************
00002  * $Id: OrientedCoordinateArray.h 2809 2009-12-06 01:05:24Z mloskot $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2009    Sandro Santilli <strk@keybit.net>
00008  *
00009  * This is free software; you can redistribute and/or modify it under
00010  * the terms of the GNU Lesser General Public Licence as published
00011  * by the Free Software Foundation. 
00012  * See the COPYING file for more information.
00013  *
00014  **********************************************************************
00015  *
00016  * Last port: noding/OrientedCoordinateArray.java rev. 1.1 (JTS-1.9)
00017  *
00018  **********************************************************************/
00019 
00020 #ifndef GEOS_NODING_ORIENTEDCOORDINATEARRAY_H
00021 #define GEOS_NODING_ORIENTEDCOORDINATEARRAY_H
00022 
00023 #include <geos/export.h>
00024 
00025 //#include <vector>
00026 //#include <iostream>
00027 
00028 //#include <geos/inline.h>
00029 
00030 // Forward declarations
00031 namespace geos {
00032         namespace geom {
00033                 class CoordinateSequence;
00034         }
00035         namespace noding {
00036                 //class SegmentString;
00037         }
00038 }
00039 
00040 namespace geos {
00041 namespace noding { // geos.noding
00042 
00047 class GEOS_DLL OrientedCoordinateArray
00048 {
00049 public:
00050 
00057         OrientedCoordinateArray(const geom::CoordinateSequence& pts)
00058                 :
00059                 pts(pts),
00060                 orientationVar(orientation(pts))
00061         {
00062         }
00063 
00075         int compareTo(const OrientedCoordinateArray& o1) const;
00076 
00077 
00078 private:
00079 
00080         static int compareOriented(const geom::CoordinateSequence& pts1,
00081                                      bool orientation1,
00082                                      const geom::CoordinateSequence& pts2,
00083                                      bool orientation2);
00084 
00085 
00093         static bool orientation(const geom::CoordinateSequence& pts);
00094 
00096         const geom::CoordinateSequence& pts;
00097 
00098         bool orientationVar;
00099 
00100     // Declare type as noncopyable
00101     OrientedCoordinateArray(const OrientedCoordinateArray& other);
00102     OrientedCoordinateArray& operator=(const OrientedCoordinateArray& rhs);
00103 };
00104 
00105 } // namespace geos.noding
00106 } // namespace geos
00107 
00108 
00109 #endif // GEOS_NODING_ORIENTEDCOORDINATEARRAY_H
00110 

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