TRT_Hit_p2 Node1 TRT_Hit_p2 + hitID + particleEncoding + kineticEnergy + energyDeposit + preStepX + preStepY + preStepZ + postStepX + postStepY + postStepZ + globalTime Node2 HepMcParticleLink_p2 # m_mcEvtIndex # m_evtColl + HepMcParticleLink_p2() + HepMcParticleLink_p2() Node2->Node1 +m_partLink Node3 long Node3->Node2 #m_barcode