SegmentNode.h

00001 /**********************************************************************
00002  * $Id: SegmentNode.h 1820 2006-09-06 16:54:23Z mloskot $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2006      Refractions Research Inc.
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 #ifndef GEOS_NODING_SEGMENTNODE_H
00017 #define GEOS_NODING_SEGMENTNODE_H
00018 
00019 #include <vector>
00020 #include <iostream>
00021 
00022 #include <geos/inline.h>
00023 
00024 #include <geos/geom/Coordinate.h>
00025 
00026 // Forward declarations
00027 namespace geos {
00028         namespace noding {
00029                 class SegmentString;
00030         }
00031 }
00032 
00033 namespace geos {
00034 namespace noding { // geos.noding
00035 
00037 //
00042 class SegmentNode {
00043 private:
00044         const SegmentString& segString;
00045 
00046         int segmentOctant;
00047 
00048         bool isInteriorVar;
00049 
00050 public:
00051         friend std::ostream& operator<< (std::ostream& os, const SegmentNode& n);
00052 
00054         geom::Coordinate coord;  
00055 
00057         unsigned int segmentIndex;  
00058 
00060         //
00070         SegmentNode(const SegmentString& ss, const geom::Coordinate& nCoord,
00071                         unsigned int nSegmentIndex, int nSegmentOctant);
00072 
00073         ~SegmentNode() {}
00074 
00080         bool isInterior() const { return isInteriorVar; }
00081 
00082         bool isEndPoint(unsigned int maxSegmentIndex) const;
00083 
00091         int compareTo(const SegmentNode& other);
00092 
00093         //string print() const;
00094 };
00095 
00096 std::ostream& operator<< (std::ostream& os, const SegmentNode& n);
00097 
00098 struct SegmentNodeLT {
00099         bool operator()(SegmentNode *s1, SegmentNode *s2) const {
00100                 return s1->compareTo(*s2)<0;
00101         }
00102 };
00103 
00104 
00105 } // namespace geos.noding
00106 } // namespace geos
00107 
00108 //#ifdef GEOS_INLINE
00109 //# include "geos/noding/SegmentNode.inl"
00110 //#endif
00111 
00112 #endif // GEOS_NODING_SEGMENTNODE_H
00113 
00114 /**********************************************************************
00115  * $Log$
00116  * Revision 1.2  2006/03/24 09:52:41  strk
00117  * USE_INLINE => GEOS_INLINE
00118  *
00119  * Revision 1.1  2006/03/09 16:46:49  strk
00120  * geos::geom namespace definition, first pass at headers split
00121  *
00122  **********************************************************************/
00123 

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