MuonHough::MuonDetectorDescription Node1 MuonHough::MuonDetectorDescription + MuonDetectorDescription() + getDescriptor() - initDefaultRegions() Node2 std::vector< RegionDescriptor > Node2->Node1 -m_regionDescriptions Node3 MuonHough::RegionDescriptor + sector + region + chIndex + referencePosition + yMinRange + yMaxRange + yBinSize + thetaStep + nthetaSamples + RegionDescriptor() + RegionDescriptor() Node3->Node2 +elements