TrkValidationNtupleRIOs Node1 TrkValidationNtupleRIOs + fCurrent + TRT_EventNumber + TRT_nRIOs + b_TRT_event_number + b_Number_of_RIOs + b_TRT_DriftRadius + b_TRT_SurfaceX + b_TRT_SurfaceY + b_TRT_SurfaceZ + TrkValidationNtupleRIOs() + ~TrkValidationNtupleRIOs() + Cut() + GetEntry() + LoadTree() + Init() + Loop() + Notify() + Show() Node2 TTree Node2->Node1 +fChain Node3 std::vector< float > + elements Node3->Node1 +TRT_DriftRadius +TRT_SurfaceX +TRT_SurfaceY +TRT_SurfaceZ