54 typedef std::pair<vtkIdType, vtkIdType> Edge;
55 typedef std::map<Edge, size_t> EdgeHistogram;
56 typedef std::multimap<vtkIdType, vtkIdType> EdgeMap;
57 typedef std::vector<vtkIdType> Triangle;
58 typedef std::vector<Triangle> Triangles;
59 typedef std::map<vtkIdType, Triangles> TriangleMap;
63 EdgeHistogram EdgeCounter;