GeoModelExperiment Node1 GeoModelExperiment - m_physVol + GeoModelExperiment() + ~GeoModelExperiment() + getPhysVol() + getPhysVol() + getListOfManagers() + addManager() + getManager() + beginManager() + endManager() + addTmpVolume() Node2 std::set< value_type, order_type > Node2->Node1 -m_managers Node3 value_type< type, the _value > + value Node3->Node2 +keys Node4 std::vector< PVConstLink > + elements Node4->Node1 -m_tmpVolumes