Method ReverseTableColumns

Views/Infovis/vtkTreeHeatmapItem.cxx:299–314

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//------------------------------------------------------------------------------
void vtkTreeHeatmapItem::ReverseTableColumns()
{
  // make a copy of our table and then empty out the original.
  vtkNew<vtkTable> tableCopy;
  tableCopy->DeepCopy(this->GetTable());
  for (vtkIdType col = tableCopy->GetNumberOfColumns() - 1; col > 0; --col)
  {
    this->GetTable()->RemoveColumn(col);
  }

  // re-insert the columns back into our original table in reverse order
  for (vtkIdType col = tableCopy->GetNumberOfColumns() - 1; col >= 1; --col)
  {
    this->GetTable()->AddColumn(tableCopy->GetColumn(col));
  }
}

//------------------------------------------------------------------------------
bool vtkTreeHeatmapItem::Paint(vtkContext2D* painter)