CMMEtSums_p1 Node1 CMMEtSums_p1 + m_crate + m_dataID + m_peak + CMMEtSums_p1() Node2 std::vector< int > + elements Node2->Node1 +m_EtError +m_EyError +m_ExError Node3 std::vector< unsigned int > + elements Node3->Node1 +m_Et +m_Ex +m_Ey