|
00001 // Copyright (C) 2003 Johan Hoffman and Anders Logg. 00002 // Licensed under the GNU GPL Version 2. 00003 00004 #ifndef __EDGE_H 00005 #define __EDGE_H 00006 00007 #include <dolfin/dolfin_log.h> 00008 #include <dolfin/NodeIterator.h> 00009 #include <dolfin/CellIterator.h> 00010 #include <dolfin/EdgeIterator.h> 00011 #include <dolfin/FaceIterator.h> 00012 00013 namespace dolfin { 00014 00015 class Point; 00016 class Mesh; 00017 class EdgeRefData; 00018 00019 class Edge{ 00020 public: 00021 00023 Edge(); 00024 00026 Edge(Node& n0, Node& n1); 00027 00029 ~Edge(); 00030 00032 void clear(); 00033 00035 00037 int id() const; 00038 00040 unsigned int noCellNeighbors() const; 00041 00043 Node& node(int i) const; 00044 00046 Cell& cell(int i) const; 00047 00049 Point& coord(int i) const; 00050 00052 real length() const; 00053 00055 Point midpoint() const; 00056 00058 bool equals(const Node& n0, const Node& n1) const; 00059 00061 bool contains(const Node& n) const; 00062 00064 00066 friend LogStream& operator<<(LogStream& stream, const Edge& edge); 00067 00068 // Friends 00069 friend class Mesh; 00070 friend class Node; 00071 friend class GenericCell; 00072 friend class MeshData; 00073 friend class MeshInit; 00074 friend class MeshRefinement; 00075 friend class TriMeshRefinement; 00076 friend class TetMeshRefinement; 00077 friend class NodeIterator::CellNodeIterator; 00078 friend class CellIterator::CellCellIterator; 00079 friend class EdgeIterator::CellEdgeIterator; 00080 friend class FaceIterator::CellFaceIterator; 00081 friend class Triangle; 00082 friend class Tetrahedron; 00083 00084 private: 00085 00086 // Specify global edge number 00087 int setID(int id, Mesh& mesh); 00088 00089 // Set the mesh pointer 00090 void setMesh(Mesh& mesh); 00091 00093 void set(Node& n0, Node& n1); 00094 00095 // Initialize marker (if not already done) 00096 void initMarker(); 00097 00098 // Mark by given cell 00099 void mark(Cell& cell); 00100 00101 // Check if cell has been marked for refinement 00102 bool marked(); 00103 00104 // Check if cell has been marked for refinement by given cell 00105 bool marked(Cell& cell); 00106 00107 // Clear marks 00108 void clearMarks(); 00109 00110 //--- Edge data --- 00111 00112 // The mesh containing this edge 00113 Mesh* mesh; 00114 00115 // Global edge number 00116 int _id; 00117 00118 // Nodes 00119 Node* n0; 00120 Node* n1; 00121 00122 // Connectivity 00123 Array<Cell*> ec; 00124 00125 // Mesh refinement data 00126 EdgeRefData* rd; 00127 00128 }; 00129 00130 } 00131 00132 #endif
Documentation automatically generated with Doxygen on 10 Sep 2004.