FPGATrackSimKeyLayerBinDesc Node1 FPGATrackSimKeyLayerBinDesc - m_rin - m_rout - m_approxMath - m_keylyrtool - m_parNames - m_phipars - m_etapars + initialize() + parNames() + trackParsToParSet() + parSetToTrackPars() + phiResidual() + etaResidual() + stepIsRPhi() + stepIsREta() + hitInBin() - keyparsToParSet() - parSetToKeyPars() Node2 extends< AthAlgTool, IFPGATrackSimBinDesc > Node2->Node1