Trk::IDetailedMuonPatternTruthBuilder Node1 Trk::IDetailedMuonPattern TruthBuilder + buildDetailedMuonPattern Truth() + buildDetailedTrackTruth() + buildDetailedTrackTruthFrom Segments() + interfaceID() Node3 Trk::DetailedMuonPattern TruthBuilder - m_idHelperSvc - m_truthTrackBuilder - m_mdtCreator - m_muonClusterCreator + DetailedMuonPatternTruth Builder() + initialize() + buildDetailedMuonPattern Truth() + buildDetailedTrackTruth() + buildDetailedTrackTruthFrom Segments() - findSubDetType() - getDeposit() - retrieveTruthCollection() - addTrack() - addDetailedTrackTruth() - countPRDsOnTruth() - getPRDTruthPosition() - addDetailedTrackTruthFrom Segment() Node1->Node3 Node2 IAlgTool Node2->Node1