Method SetSegmentation

Modules/SegmentationUI/src/QmitkMultiLabelTreeModel.cpp:776–791

void QmitkMultiLabelTreeModel::SetSegmentation(mitk::MultiLabelSegmentation* segmentation)
{
  if (m_Segmentation != segmentation)
  {
    // Keep the old segmentation alive until observer guards are properly reset in AddObserver().
    // Without this, the assignment below may drop the last reference to the old segmentation,
    // destroying it before AddObserver() can unregister the old observers. That leads to
    // dangling pointers in the ITKEventObserverGuard's WeakPointer and a crash in Lock()
    auto previousSegmentation = m_Segmentation;

    this->m_Segmentation = segmentation;
    this->AddObserver();

    this->UpdateInternalTree();
  }
}


/**Helper function that adds a labek into the item tree. Passes back the new created instance iten*/