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