Method GetTreeAreaRepresentation

Views/Infovis/vtkTreeAreaView.cxx:36–55

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//------------------------------------------------------------------------------
vtkRenderedTreeAreaRepresentation* vtkTreeAreaView::GetTreeAreaRepresentation()
{
  vtkRenderedTreeAreaRepresentation* treeAreaRep = nullptr;
  for (int i = 0; i < this->GetNumberOfRepresentations(); ++i)
  {
    vtkDataRepresentation* rep = this->GetRepresentation(i);
    treeAreaRep = vtkRenderedTreeAreaRepresentation::SafeDownCast(rep);
    if (treeAreaRep)
    {
      break;
    }
  }
  if (!treeAreaRep)
  {
    vtkSmartPointer<vtkTree> g = vtkSmartPointer<vtkTree>::New();
    treeAreaRep =
      vtkRenderedTreeAreaRepresentation::SafeDownCast(this->AddRepresentationFromInput(g));
  }
  return treeAreaRep;
}

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vtkDataRepresentation* vtkTreeAreaView::CreateDefaultRepresentation(vtkAlgorithmOutput* port)