DetDescrDBEnvelopeSvc Node1 DetDescrDBEnvelopeSvc - m_allowFallback - m_doFallback + DetDescrDBEnvelopeSvc() + ~DetDescrDBEnvelopeSvc() + initialize() + finalize() + getRZBoundary() + getRPositiveZBoundary() - retrieveRZBoundaryOptional Fallback() - retrieveRZBoundary() - fallbackRZBoundary() - enableFallback() Node2 extends< AthService, IEnvelopeDefSvc > Node2->Node1 Node3 std::vector< RZPair > + elements Node3->Node1 -m_rposz -m_rz Node4 ServiceHandle< IGeoModel Svc > Node4->Node1 -m_geoModelSvc Node5 ServiceHandle< IRDBAccess Svc > Node5->Node1 -m_dbAccess Node6 std::string Node6->Node1 -m_node -m_atlasVersionTag -m_atlasNode Node7 std::basic_string< char > Node7->Node6 Node8 std::vector< double > + elements Node8->Node1 -m_fallbackR -m_fallbackZ