GEOS 3.3.1
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00001 /********************************************************************** 00002 * $Id: BoundaryNodeRule.h 3262 2011-03-04 16:30:48Z strk $ 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 #include <geos/export.h> 00024 00025 // Forward declarations 00026 // ... 00027 00028 namespace geos { 00029 namespace algorithm { // geos::algorithm 00030 00031 00051 class GEOS_DLL BoundaryNodeRule { 00052 00053 public: 00054 00055 // virtual classes should always have a virtual destructor.. 00056 virtual ~BoundaryNodeRule() {} 00057 00068 virtual bool isInBoundary(int boundaryCount) const=0; 00069 00076 static const BoundaryNodeRule& MOD2_BOUNDARY_RULE; 00077 00083 static const BoundaryNodeRule& ENDPOINT_BOUNDARY_RULE; 00084 00090 static const BoundaryNodeRule& MULTIVALENT_ENDPOINT_BOUNDARY_RULE; 00091 00097 static const BoundaryNodeRule& MONOVALENT_ENDPOINT_BOUNDARY_RULE; 00098 00105 static const BoundaryNodeRule& OGC_SFS_BOUNDARY_RULE; 00106 00107 }; 00108 00109 } // namespace geos::algorithm 00110 } // namespace geos 00111 00112 #endif // GEOS_ALGORITHM_BOUNDARYNODERULE_H 00113