ToyDetectorTool Node1 ToyDetectorTool + ToyDetectorTool() + ~ToyDetectorTool() + create() - printVolume() Node2 GeoModelTool # m_detector + GeoModelTool() + ~GeoModelTool() + manager() + manager() + clear() + ATLAS_NOT_THREAD_SAFE() + align() Node2->Node1 Node3 extends< AthAlgTool, IGeoModelTool > Node3->Node2