| 749 | } |
| 750 | |
| 751 | int vtkGenerateStatistics::RequestDataPDC( |
| 752 | vtkPartitionedDataSetCollection* pdc, vtkPartitionedDataSetCollection* modelTree) |
| 753 | { |
| 754 | // Note: because a PDC may never contain another PDC, we know the |
| 755 | // accumulator – which calls RequestLocalDataDispatch() on its assembly |
| 756 | // nodes – will never recurse. |
| 757 | vtkNew<StatisticsAccumulator> accumulator; |
| 758 | accumulator->ModelTree = modelTree; |
| 759 | accumulator->Data = pdc; |
| 760 | accumulator->Self = this; |
| 761 | bool didVisit = false; |
| 762 | if (!this->SingleModel) |
| 763 | { |
| 764 | if (auto* assy = pdc->GetDataAssembly()) |
| 765 | { |
| 766 | // Copy the assembly from the source dataset into the output model |
| 767 | // so we can add models in locations that match the data sources. |
| 768 | // Note that by copying the assembly before any models are added, |
| 769 | // we preserve not just the structure of the assembly but also the |
| 770 | // node numberings. |
| 771 | auto* modelAssembly = modelTree->GetDataAssembly(); |
| 772 | if (!modelAssembly) |
| 773 | { |
| 774 | vtkNew<vtkDataAssembly> newModelAssembly; |
| 775 | modelTree->SetDataAssembly(newModelAssembly); |
| 776 | modelAssembly = modelTree->GetDataAssembly(); |
| 777 | } |
| 778 | modelAssembly->DeepCopy(assy); |
| 779 | modelAssembly->RemoveAllDataSetIndices(/*node*/ 0, /*recurse*/ true); |
| 780 | #if VTK_DBG_ASSEMBLY |
| 781 | vtkIndent indent(2); |
| 782 | std::cout << "About to traverse PDC and create multiple models.\n" |
| 783 | "The model hierarchy is\n" |
| 784 | << modelAssembly->SerializeToXML(indent) << "\n"; |
| 785 | #endif |
| 786 | // The visitor will invoke this->StatisticsAlgorithm on data |
| 787 | // from each node, placing its result into a local model. |
| 788 | // Then it aggregates/inserts the local model into the \a model |
| 789 | // this method was passed. |
| 790 | assy->Visit(accumulator); |
| 791 | didVisit = true; |
| 792 | #if VTK_DBG_ASSEMBLY |
| 793 | { |
| 794 | vtkIndent indent(2); |
| 795 | std::cout << "Finished traverse of PDC and created models.\n" |
| 796 | "The model hierarchy is\n" |
| 797 | << modelTree->GetDataAssembly()->SerializeToXML(indent) << "\n"; |
| 798 | } |
| 799 | #endif |
| 800 | } |
| 801 | } |
| 802 | if (!didVisit) |
| 803 | { |
| 804 | // There is no structure or (if !SingleModel) we are ignoring it; |
| 805 | // just blob each model (i.e., each partitioned dataset) into its |
| 806 | // own assembly-node at the root of the assembly. |
| 807 | vtkNew<vtkDataAssembly> fakeAssembly; |
| 808 | int numNodes = pdc->GetNumberOfPartitionedDataSets(); |
no test coverage detected