TruthController Node1 TruthController + setVisualizationHelper() + getVisualizationHelper() + getTruthController() - TruthController() - TruthController() - operator=() - ~TruthController() Node2 TrackVisualizationHelper - m_trackVisualizationScheme - m_visualizeTracks + TrackVisualizationHelper() + ~TrackVisualizationHelper() + visualizeTracks() + trackVisualizationScheme() + setTrackVisualizationScheme() + setVisualizeTracks() Node2->Node1 -m_theVisHelper