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MaximalEdgeRing.h

00001 /**********************************************************************
00002  * $Id: MaximalEdgeRing.h 2731 2009-11-19 21:06:16Z strk $
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  * Last port: operation/overlay/MaximalEdgeRing.java rev. 1.15 (JTS-1.10)
00017  *
00018  **********************************************************************/
00019 
00020 #ifndef GEOS_OP_OVERLAY_MAXIMALEDGERING_H
00021 #define GEOS_OP_OVERLAY_MAXIMALEDGERING_H
00022 
00023 #include <geos/export.h>
00024 
00025 #include <vector>
00026 
00027 #include <geos/geomgraph/EdgeRing.h> // for inheritance
00028 
00029 // Forward declarations
00030 namespace geos {
00031         namespace geom {
00032                 class GeometryFactory;
00033         }
00034         namespace geomgraph {
00035                 class DirectedEdge;
00036                 //class EdgeRing;
00037         }
00038         namespace operation {
00039                 namespace overlay {
00040                         class MinimalEdgeRing;
00041                 }
00042         }
00043 }
00044 
00045 namespace geos {
00046 namespace operation { // geos::operation
00047 namespace overlay { // geos::operation::overlay
00048 
00067 class GEOS_DLL MaximalEdgeRing: public geomgraph::EdgeRing {
00068 
00069 public:
00070 
00071         MaximalEdgeRing(geomgraph::DirectedEdge *start,
00072                 const geom::GeometryFactory *geometryFactory);
00073                         // throw(const TopologyException &)
00074 
00075         virtual ~MaximalEdgeRing();
00076 
00077         geomgraph::DirectedEdge* getNext(geomgraph::DirectedEdge *de);
00078 
00079         void setEdgeRing(geomgraph::DirectedEdge* de, geomgraph::EdgeRing* er);
00080 
00087         std::vector<MinimalEdgeRing*>* buildMinimalRings();
00088 
00093         void buildMinimalRings(std::vector<MinimalEdgeRing*>& minEdgeRings);
00094         void buildMinimalRings(std::vector<EdgeRing*>& minEdgeRings);
00095 
00100         void linkDirectedEdgesForMinimalEdgeRings();
00101 };
00102 
00103 
00104 } // namespace geos::operation::overlay
00105 } // namespace geos::operation
00106 } // namespace geos
00107 
00108 #endif // ndef GEOS_OP_OVERLAY_MAXIMALEDGERING_H
00109 
00110 /**********************************************************************
00111  * $Log$
00112  * Revision 1.2  2006/03/27 16:02:34  strk
00113  * Added INL file for MinimalEdgeRing, added many debugging blocks,
00114  * fixed memory leak in ConnectedInteriorTester (bug #59)
00115  *
00116  * Revision 1.1  2006/03/17 13:24:59  strk
00117  * opOverlay.h header splitted. Reduced header inclusions in operation/overlay implementation files. ElevationMatrixFilter code moved from own file to ElevationMatrix.cpp (ideally a class-private).
00118  *
00119  **********************************************************************/
00120 

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