Function vtkMergeGraphsAddRow

Infovis/Core/vtkMergeGraphs.cxx:82–103

------------------------------------------------------------------------------ Uses array_map to append a row to data1 corresponding to row index2 of mapped arrays (which came from data2)

// Uses array_map to append a row to data1 corresponding to
// row index2 of mapped arrays (which came from data2)
static void vtkMergeGraphsAddRow(vtkDataSetAttributes* data1, vtkIdType index2,
  std::map<vtkAbstractArray*, vtkAbstractArray*>& array_map)
{
  int narr1 = data1->GetNumberOfArrays();
  for (int arr1 = 0; arr1 < narr1; ++arr1)
  {
    vtkAbstractArray* a1 = data1->GetAbstractArray(arr1);
    if (array_map.find(a1) != array_map.end())
    {
      vtkAbstractArray* a2 = array_map[a1];
      a1->InsertNextTuple(index2, a2);
    }
    else
    {
      vtkIdType num_values = a1->GetNumberOfTuples() * a1->GetNumberOfComponents();
      for (vtkIdType i = 0; i < a1->GetNumberOfComponents(); ++i)
      {
        a1->InsertVariantValue(num_values + i, vtkVariant());
      }
    }
  }
}

//------------------------------------------------------------------------------
int vtkMergeGraphs::RequestData(