void mitk::TotalSegmentatorTool::UpdatePrepare()
{
  Superclass::UpdatePrepare();
  auto preview = this->GetPreviewSegmentation();
  auto labelset = preview->GetLabelSet(preview->GetActiveLayer());
  labelset->RemoveAllLabels();
  if (m_LabelMapTotal.empty())
  {
    this->ParseLabelNames(this->GetLabelMapPath());
  }
  auto labelMap = m_LabelMapTotal;
  const bool isSubTask = (this->GetSubTask() != DEFAULT_TOTAL_TASK);
  if (isSubTask)
  {
    std::vector<std::string> files = SUBTASKS_MAP.at(this->GetSubTask());
    labelMap.clear();
    mitk::Label::PixelType labelId = 1;
    for (auto const& file : files)
    {
      std::string labelName = file.substr(0, file.find('.'));
      labelMap[labelId] = labelName;
      labelId++;
    }
  }
  auto lookupTable = mitk::LookupTable::New();
  lookupTable->SetType(mitk::LookupTable::LookupTableType::MULTILABEL);
  for (auto const& [key, val] : labelMap)
  {
    Label::Pointer label = Label::New(key, val);
    std::array<double, 3> lookupTableColor;
    lookupTable->GetColor(key, lookupTableColor.data());
    Color color;
    color.SetRed(lookupTableColor[0]);
    color.SetGreen(lookupTableColor[1]);
    color.SetBlue(lookupTableColor[2]);
    label->SetColor(color);
    labelset->AddLabel(label, false);
  }
}