Method RequestData

Filters/General/vtkReflectionFilter.cxx:85–130

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
int vtkReflectionFilter::RequestData(vtkInformation* vtkNotUsed(request),
  vtkInformationVector** inputVector, vtkInformationVector* outputVector)
{
  // get the input and output
  vtkDataSet* inputDS = vtkDataSet::GetData(inputVector[0], 0);
  vtkUnstructuredGrid* outputUG = vtkUnstructuredGrid::GetData(outputVector, 0);

  vtkCompositeDataSet* inputCD = vtkCompositeDataSet::GetData(inputVector[0], 0);
  vtkCompositeDataSet* outputCD = vtkCompositeDataSet::GetData(outputVector, 0);

  if (inputDS && outputUG)
  {
    double bounds[6];
    this->ComputeBounds(inputDS, bounds);
    return this->RequestDataInternal(inputDS, outputUG, bounds);
  }

  if (inputCD && outputCD)
  {
    outputCD->CopyStructure(inputCD);
    double bounds[6];
    if (this->ComputeBounds(inputCD, bounds))
    {
      vtkSmartPointer<vtkCompositeDataIterator> iter;
      iter.TakeReference(inputCD->NewIterator());
      for (iter->InitTraversal(); !iter->IsDoneWithTraversal(); iter->GoToNextItem())
      {
        if (this->CheckAbort())
        {
          break;
        }
        vtkDataSet* ds = vtkDataSet::SafeDownCast(iter->GetCurrentDataObject());
        vtkSmartPointer<vtkUnstructuredGrid> ug = vtkSmartPointer<vtkUnstructuredGrid>::New();
        if (!this->RequestDataInternal(ds, ug, bounds))
        {
          return 0;
        }

        outputCD->SetDataSet(iter, ug);
      }
    }
    return 1;
  }

  return 0;
}

//------------------------------------------------------------------------------
int vtkReflectionFilter::RequestDataInternal(