MuonGM::MDT Node1 MuonGM::MDT + numOfLayers + pitch + innerRadius + totalThickness + tubeDeadLength + tubeEndPlugLength + tubeWallThickness + MDT() Node2 MuonGM::Technology + thickness + Technology() + ~Technology() + GetName() Node2->Node1 Node3 std::string Node3->Node2 #m_name Node4 std::basic_string< char > Node4->Node3 Node5 std::array< double, 4 > + elements Node5->Node1 +x +y