void BuildDownwardConnectivity(bool withEdges);
int GetNeighbors(int* neighborsVtkIds, int* downIds, unsigned char* downTypes, int vtkId);
int GetParentVolumes(int* volVtkIds, int vtkId);
+ int GetParentVolumes(int* volVtkIds, int downId, unsigned char downType);
void GetNodeIds(std::set<int>& nodeSet, int downId, unsigned char downType);
void ModifyCellNodes(int vtkVolId, std::map<int, int> localClonedNodeIds);
int getOrderedNodesOfFace(int vtkVolId, std::vector<vtkIdType>& orderedNodes);