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00001 // Copyright (C) 2003 Johan Hoffman and Anders Logg. 00002 // Licensed under the GNU GPL Version 2. 00003 00004 #ifndef __BOUNDARY_H 00005 #define __BOUNDARY_H 00006 00007 #include <dolfin/BoundaryData.h> 00008 00009 namespace dolfin { 00010 00011 class Mesh; 00012 00013 class Boundary { 00014 public: 00015 00017 Boundary(Mesh& mesh); 00018 00020 ~Boundary(); 00021 00023 int noNodes() const; 00024 00026 int noEdges() const; 00027 00029 int noFaces() const; 00030 00032 friend class NodeIterator::BoundaryNodeIterator; 00033 friend class EdgeIterator::BoundaryEdgeIterator; 00034 friend class FaceIterator::BoundaryFaceIterator; 00035 00036 private: 00037 00038 // Compute boundary (and clear old data) 00039 void init(); 00040 00041 // Clear boundary 00042 void clear(); 00043 00044 // The mesh 00045 Mesh* mesh; 00046 00047 }; 00048 00049 } 00050 00051 #endif
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