ActsTrk::detail::TruthClusterSplittingToolImpl< traj_t > Node1 ActsTrk::detail::TruthCluster SplittingToolImpl< traj_t > # m_associationMap_key # m_truthSelectionTool + initialize() + create() + createOnTrackCalibrator() # createOptions() # getAssociationMap() # getTruthSelectionTool() Node2 ActsTrk::detail::PixelCluster CalibrationToolBase< traj_t > # m_lorentzAngleTool # m_postCalibration # m_pixelID + initialize() + create() + calibrateAfterMeasurement Selection() # createBaseOptions() Node2->Node1 Node3 extends< AthAlgTool, ActsTrk::IPixelOnTrackCalibrator Tool< traj_t > >     Node3->Node2