TRTCalibrator::BDlayer Node1 TRTCalibrator::BDlayer Node2 std::map< std::string, TRTCalibrator::BDmodule > Node2->Node1 +l Node3 std::string Node3->Node2 +keys Node6 std::map< std::string, TRTCalibrator::BDboard > Node3->Node6 +keys Node8 std::map< std::string, TRTCalibrator::BDchip > Node3->Node8 +keys Node4 std::basic_string< char > Node4->Node3 Node5 TRTCalibrator::BDmodule Node5->Node2 +elements Node6->Node5 +m Node7 TRTCalibrator::BDboard Node7->Node6 +elements Node8->Node7 +b