Method InsertNextBlankRow

Common/DataModel/vtkTable.cxx:319–359

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//------------------------------------------------------------------------------
vtkIdType vtkTable::InsertNextBlankRow(double default_num_val)
{
  vtkIdType ncol = this->GetNumberOfColumns();
  std::vector<double> tuple(32, default_num_val);
  for (vtkIdType i = 0; i < ncol; i++)
  {
    vtkAbstractArray* arr = this->GetColumn(i);
    const size_t comps = static_cast<size_t>(arr->GetNumberOfComponents());
    if (vtkArrayDownCast<vtkDataArray>(arr))
    {
      if (comps > tuple.size())
      { // We initialize this to 32 components, but just in case...
        tuple.resize(comps, default_num_val);
      }

      vtkDataArray* data = vtkArrayDownCast<vtkDataArray>(arr);
      data->InsertNextTuple(tuple.data());
    }
    else if (vtkArrayDownCast<vtkStringArray>(arr))
    {
      vtkStringArray* data = vtkArrayDownCast<vtkStringArray>(arr);
      for (size_t j = 0; j < comps; j++)
      {
        data->InsertNextValue(std::string());
      }
    }
    else if (vtkArrayDownCast<vtkVariantArray>(arr))
    {
      vtkVariantArray* data = vtkArrayDownCast<vtkVariantArray>(arr);
      for (size_t j = 0; j < comps; j++)
      {
        data->InsertNextValue(vtkVariant());
      }
    }
    else
    {
      vtkErrorMacro(<< "Unsupported array type for InsertNextBlankRow");
    }
  }
  return this->GetNumberOfRows() - 1;
}

//------------------------------------------------------------------------------
vtkIdType vtkTable::InsertNextRow(vtkVariantArray* values)