62 typedef std::pair<vtkIdType, vtkIdType> Edge;
63 typedef std::map<Edge, size_t> EdgeHistogram;
64 typedef std::multimap<vtkIdType, vtkIdType> EdgeMap;
65 typedef std::vector<vtkIdType> Triangle;
66 typedef std::vector<Triangle> Triangles;
67 typedef std::map<vtkIdType, Triangles> TriangleMap;
71 EdgeHistogram EdgeCounter;