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BoundaryNodeRule.h

00001 /**********************************************************************
00002  * $Id: BoundaryNodeRule.h 2809 2009-12-06 01:05:24Z mloskot $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2009      Sandro Santilli <strk@keybit.net>
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: algorithm/BoundaryNodeRule.java rev 1.4 (JTS-1.10)
00017  *
00018  **********************************************************************/
00019 
00020 #ifndef GEOS_ALGORITHM_BOUNDARYNODERULE_H
00021 #define GEOS_ALGORITHM_BOUNDARYNODERULE_H
00022 
00023 // Forward declarations
00024 // ...
00025 
00026 namespace geos {
00027 namespace algorithm { // geos::algorithm
00028 
00029 
00049 class BoundaryNodeRule {
00050 
00051 public:
00052 
00053         // virtual classes should always have a virtual destructor..
00054         virtual ~BoundaryNodeRule() {}
00055 
00066         virtual bool isInBoundary(int boundaryCount) const=0;
00067 
00074         static const BoundaryNodeRule& MOD2_BOUNDARY_RULE;
00075 
00081         static const BoundaryNodeRule& ENDPOINT_BOUNDARY_RULE;
00082 
00088         static const BoundaryNodeRule& MULTIVALENT_ENDPOINT_BOUNDARY_RULE;
00089 
00095         static const BoundaryNodeRule& MONOVALENT_ENDPOINT_BOUNDARY_RULE;
00096 
00103         static const BoundaryNodeRule& OGC_SFS_BOUNDARY_RULE;
00104 
00105 };
00106 
00107 } // namespace geos::algorithm
00108 } // namespace geos
00109 
00110 #endif // GEOS_ALGORITHM_BOUNDARYNODERULE_H
00111 

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