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# EdgeIntersectionList.h

    00001 /**********************************************************************
    00002  * $Id: EdgeIntersectionList.h 3340 2011-05-10 09:51:31Z 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: geomgraph/EdgeIntersectionList.java rev. 1.5 (JTS-1.10)
    00018  *
    00019  **********************************************************************/
    00020
    00021
    00022 #ifndef GEOS_GEOMGRAPH_EDGEINTERSECTIONLIST_H
    00023 #define GEOS_GEOMGRAPH_EDGEINTERSECTIONLIST_H
    00024
    00025 #include <geos/export.h>
    00026 #include <vector>
    00027 #include <set>
    00028 #include <string>
    00029
    00030 #include <geos/geomgraph/EdgeIntersection.h> // for EdgeIntersectionLessThen
    00031 #include <geos/geom/Coordinate.h> // for CoordinateLessThen
    00032
    00033 #include <geos/inline.h>
    00034
    00035 #ifdef _MSC_VER
    00036 #pragma warning(push)
    00037 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
    00038 #endif
    00039
    00040 // Forward declarations
    00041 namespace geos {
    00042         namespace geom {
    00043                 class Coordinate;
    00044         }
    00045         namespace geomgraph {
    00046                 class Edge;
    00047         }
    00048 }
    00049
    00050 namespace geos {
    00051 namespace geomgraph { // geos.geomgraph
    00052
    00053
    00059 class GEOS_DLL EdgeIntersectionList{
    00060 public:
    00061         typedef std::set<EdgeIntersection *, EdgeIntersectionLessThen> container;
    00062         typedef container::iterator iterator;
    00063         typedef container::const_iterator const_iterator;
    00064
    00065 private:
    00066         container nodeMap;
    00067
    00068 public:
    00069
    00070         Edge *edge;
    00071         EdgeIntersectionList(Edge *edge);
    00072         ~EdgeIntersectionList();
    00073
    00074         /*
    00075          * Adds an intersection into the list, if it isn't already there.
    00076          * The input segmentIndex and dist are expected to be normalized.
    00077          * @return the EdgeIntersection found or added
    00078          */
    00079         EdgeIntersection* add(const geom::Coordinate& coord,
    00080                 int segmentIndex, double dist);
    00081
    00082         iterator begin() { return nodeMap.begin(); }
    00083         iterator end() { return nodeMap.end(); }
    00084         const_iterator begin() const { return nodeMap.begin(); }
    00085         const_iterator end() const { return nodeMap.end(); }
    00086
    00087         bool isEmpty() const;
    00088         bool isIntersection(const geom::Coordinate& pt) const;
    00089
    00090         /*
    00091          * Adds entries for the first and last points of the edge to the list
    00092          */
    00093         void addEndpoints();
    00094
    00103         void addSplitEdges(std::vector<Edge*> *edgeList);
    00104
    00105         Edge *createSplitEdge(EdgeIntersection *ei0, EdgeIntersection *ei1);
    00106         std::string print() const;
    00107
    00108 };
    00109
    00110 std::ostream& operator<< (std::ostream&, const EdgeIntersectionList&);
    00111
    00112 } // namespace geos.geomgraph
    00113 } // namespace geos
    00114
    00115 #ifdef _MSC_VER
    00116 #pragma warning(pop)
    00117 #endif
    00118
    00119 //#ifdef GEOS_INLINE
    00120 //# include "geos/geomgraph/EdgeIntersectionList.inl"
    00121 //#endif
    00122
    00123 #endif // ifndef GEOS_GEOMGRAPH_EDGEINTERSECTIONLIST_H
    00124
    00125 /**********************************************************************
    00126  * $Log$
    00127  * Revision 1.2  2006/03/24 09:52:41  strk
    00128  * USE_INLINE => GEOS_INLINE
    00129  *
    00130  * Revision 1.1  2006/03/09 16:46:49  strk
    00131  * geos::geom namespace definition, first pass at headers split
    00132  *
    00133  **********************************************************************/
    00134