BoundaryNodeRule.h

00001 /**********************************************************************
00002  *
00003  * GEOS - Geometry Engine Open Source
00004  * http://geos.osgeo.org
00005  *
00006  * Copyright (C) 2009      Sandro Santilli <strk@keybit.net>
00007  *
00008  * This is free software; you can redistribute and/or modify it under
00009  * the terms of the GNU Lesser General Public Licence as published
00010  * by the Free Software Foundation. 
00011  * See the COPYING file for more information.
00012  *
00013  **********************************************************************
00014  *
00015  * Last port: algorithm/BoundaryNodeRule.java rev 1.4 (JTS-1.10)
00016  *
00017  **********************************************************************/
00018 
00019 #ifndef GEOS_ALGORITHM_BOUNDARYNODERULE_H
00020 #define GEOS_ALGORITHM_BOUNDARYNODERULE_H
00021 
00022 #include <geos/export.h>
00023 
00024 // Forward declarations
00025 // ...
00026 
00027 namespace geos {
00028 namespace algorithm { // geos::algorithm
00029 
00030 
00050 class GEOS_DLL BoundaryNodeRule {
00051 
00052 public:
00053 
00054         // virtual classes should always have a virtual destructor..
00055         virtual ~BoundaryNodeRule() {}
00056 
00067         virtual bool isInBoundary(int boundaryCount) const=0;
00068 
00075         //static const BoundaryNodeRule& MOD2_BOUNDARY_RULE;
00076     static const BoundaryNodeRule& getBoundaryRuleMod2();
00077 
00083         //static const BoundaryNodeRule& ENDPOINT_BOUNDARY_RULE;
00084     static const BoundaryNodeRule& getBoundaryEndPoint();
00085 
00091         //static const BoundaryNodeRule& MULTIVALENT_ENDPOINT_BOUNDARY_RULE;
00092     static const BoundaryNodeRule& getBoundaryMultivalentEndPoint();
00093 
00099         //static const BoundaryNodeRule& MONOVALENT_ENDPOINT_BOUNDARY_RULE;
00100     static const BoundaryNodeRule& getBoundaryMonovalentEndPoint();
00101 
00108         //static const BoundaryNodeRule& OGC_SFS_BOUNDARY_RULE;
00109     static const BoundaryNodeRule& getBoundaryOGCSFS();
00110 };
00111 
00112 } // namespace geos::algorithm
00113 } // namespace geos
00114 
00115 #endif // GEOS_ALGORITHM_BOUNDARYNODERULE_H
00116 

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