IInDetAlignFillSiCluster Node1 IInDetAlignFillSiCluster + FillSiCluster() + interfaceID() Node3 InDetAlignFillSiCluster - m_ntupleSvc - m_pixelid - m_sctID - m_Pixel_SiClustersName - m_Sct_SiClustersName - m_Pixel_clcontainer - m_Sct_clcontainer - m_pixelDetEleCollKey - m_SCTDetEleCollKey - m_ntupleName and 20 more... + InDetAlignFillSiCluster() + ~InDetAlignFillSiCluster() + initialize() + finalize() + FillSiCluster() - bookNtuple() - RetrieveSCTSiClusters() - RetrievePixelSiClusters() - FillSCTSiNtuple() - FillPixelSiNtuple() Node1->Node3 Node2 IAlgTool Node2->Node1