xAODMaker::IPhotonCnvTool Node1 xAODMaker::IPhotonCnvTool + convert() + interfaceID() Node3 xAODMaker::PhotonCnvTool - m_vertexContainer - m_caloClusters - m_caloClustersTopo - m_caloClustersOther + PhotonCnvTool() + convert() - setParameters() - checkAndSetParameter() - setIsolations() - checkAndSetIsolation() - setLinks() - getNewLink() Node1->Node3 Node2 IAlgTool Node2->Node1