Method RequestData

Filters/HyperTree/vtkHyperTreeGridCellCenters.cxx:108–139

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//------------------------------------------------------------------------------
int vtkHyperTreeGridCellCenters::RequestData(
  vtkInformation*, vtkInformationVector** inputVector, vtkInformationVector* outputVector)
{
  // Get the information objects
  vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
  vtkInformation* outInfo = outputVector->GetInformationObject(0);

  // Retrieve input and output
  this->Input = vtkHyperTreeGrid::SafeDownCast(inInfo->Get(vtkDataObject::DATA_OBJECT()));
  this->Output = vtkPolyData::SafeDownCast(outInfo->Get(vtkDataObject::DATA_OBJECT()));

  // Initialize output cell data
  this->InData = this->Input->GetCellData();
  this->OutData = this->Output->GetPointData();
  this->OutData->CopyAllocate(this->InData);

  // General cell centers of hyper tree grid
  this->ProcessTrees();

  // Squeeze output data
  this->OutData->Squeeze();

  // Clean up
  this->Input = nullptr;
  this->Output = nullptr;
  this->InData = nullptr;
  this->OutData = nullptr;

  this->UpdateProgress(1.);

  return 1;
}

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void vtkHyperTreeGridCellCenters::ProcessTrees()