ISF::TrkExtrapolator Node1 ISF::TrkExtrapolator - m_trackingGeometryReadKey - m_extrapolator - m_trackingVolumeName - ATLAS_THREAD_SAFE - m_pdgToParticleHypothesis + TrkExtrapolator() + ~TrkExtrapolator() + initialize() + finalize() + extrapolate() Node2 extends< AthAlgTool, ISF::ITrkExtrapolator > Node2->Node1