65 typedef std::pair<vtkIdType, vtkIdType> Edge;
66 typedef std::map<Edge, size_t> EdgeHistogram;
67 typedef std::multimap<vtkIdType, vtkIdType> EdgeMap;
68 typedef std::vector<vtkIdType> Triangle;
69 typedef std::vector<Triangle> Triangles;
70 typedef std::map<vtkIdType, Triangles> TriangleMap;
74 EdgeHistogram EdgeCounter;