Graphical Class Hierarchy Node0 GeoMuonHitBase Node1 GeoCSCHit Node0->Node1 Node2 GeoMDTHit Node0->Node2 Node3 GeoMMHit Node0->Node3 Node4 GeoRPCHit Node0->Node4 Node5 GeosTGCHit Node0->Node5 Node6 GeoTGCHit Node0->Node6