FPGATrackSimSectorMap Node1 FPGATrackSimSectorMap + FPGATrackSimSectorMap() + FPGATrackSimSectorMap() + ~FPGATrackSimSectorMap() + SetSector() + GetSector() + LoadFromFile() + CreateFile() + Dump() + makeLookup() Node2 std::map< int, mapint > + keys Node2->Node1 -m_data Node3 std::map< int, int > + keys + elements Node3->Node2 +elements