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# ConnectedInteriorTester.h

    00001 /**********************************************************************
    00002  * $Id: ConnectedInteriorTester.h 2782 2009-12-03 19:50:26Z mloskot $
    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: operation/valid/ConnectedInteriorTester.java rev. 1.15 (JTS-1.10)
    00018  *
    00019  **********************************************************************/
    00020
    00021 #ifndef GEOS_OP_CONNECTEDINTERIORTESTER_H
    00022 #define GEOS_OP_CONNECTEDINTERIORTESTER_H
    00023
    00024 #include <geos/export.h>
    00025
    00026 #include <geos/geom/Coordinate.h> // for composition
    00027
    00028 #include <vector>
    00029
    00030 // Forward declarations
    00031 namespace geos {
    00032         namespace geom {
    00033                 //class Coordinate;
    00034                 class Geometry;
    00035                 class CoordinateSequence;
    00036                 class GeometryFactory;
    00037                 class LineString;
    00038         }
    00039         namespace geomgraph {
    00040                 class GeometryGraph;
    00041                 class PlanarGraph;
    00042                 class EdgeRing;
    00043                 class DirectedEdge;
    00044                 class EdgeEnd;
    00045         }
    00046 }
    00047
    00048 namespace geos {
    00049 namespace operation { // geos::operation
    00050 namespace valid { // geos::operation::valid
    00051
    00066 class GEOS_DLL ConnectedInteriorTester {
    00067 public:
    00068         ConnectedInteriorTester(geomgraph::GeometryGraph &newGeomGraph);
    00069         ~ConnectedInteriorTester();
    00070         geom::Coordinate& getCoordinate();
    00071         bool isInteriorsConnected();
    00072         static const geom::Coordinate& findDifferentPoint(
    00073                         const geom::CoordinateSequence *coord,
    00074                         const geom::Coordinate& pt);
    00075
    00076 protected:
    00077
    00078         void visitLinkedDirectedEdges(geomgraph::DirectedEdge *start);
    00079
    00080 private:
    00081
    00082         geom::GeometryFactory *geometryFactory;
    00083
    00084         geomgraph::GeometryGraph &geomGraph;
    00085
    00089         geom::Coordinate disconnectedRingcoord;
    00090
    00092         std::vector<geomgraph::EdgeRing*> maximalEdgeRings;
    00093
    00094         void setInteriorEdgesInResult(geomgraph::PlanarGraph &graph);
    00095
    00096
    00108         void buildEdgeRings(std::vector<geomgraph::EdgeEnd*> *dirEdges,
    00109                             std::vector<geomgraph::EdgeRing*>& minEdgeRings);
    00110
    00115         void visitShellInteriors(const geom::Geometry *g, geomgraph::PlanarGraph &graph);
    00116
    00117         void visitInteriorRing(const geom::LineString *ring, geomgraph::PlanarGraph &graph);
    00118
    00129         bool hasUnvisitedShellEdge(std::vector<geomgraph::EdgeRing*> *edgeRings);
    00130
    00131     // Declare type as noncopyable
    00132     ConnectedInteriorTester(const ConnectedInteriorTester& other);
    00133     ConnectedInteriorTester& operator=(const ConnectedInteriorTester& rhs);
    00134 };
    00135
    00136
    00137 } // namespace geos::operation::valid
    00138 } // namespace geos::operation
    00139 } // namespace geos
    00140
    00141 #endif // GEOS_OP_CONNECTEDINTERIORTESTER_H
    00142
    00143 /**********************************************************************
    00144  * $Log$
    00145  * Revision 1.3  2006/04/06 12:48:36  strk
    00146  * Added private vector to keep track of allocated MaximalEdgeRings objects
    00147  *
    00148  * Revision 1.2  2006/03/27 14:20:46  strk
    00149  * Added paranoid assertion checking and a note in header about responsibility of return from buildMaximalEdgeRings()
    00150  *
    00151  * Revision 1.1  2006/03/20 16:57:44  strk
    00152  * spatialindex.h and opValid.h headers split
    00153  *
    00154  **********************************************************************/
    00155