1 #ifndef ALIMUONVTRACKRECONSTRUCTOR_H
2 #define ALIMUONVTRACKRECONSTRUCTOR_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
9 /// \class AliMUONVTrackReconstructor
10 /// \brief Virtual class for the MUON track reconstruction
12 // Author: Philippe Pillot
14 #include "AliMUONReconstructor.h"
15 #include "AliMUONRecoParam.h"
20 class AliMUONTrackParam;
21 class AliMUONVCluster;
22 class AliMUONTriggerTrack;
23 class AliMUONTrackHitPattern;
24 class AliMUONVClusterServer;
25 class AliMUONVClusterStore;
26 class AliMUONVTrackStore;
27 class AliMUONVTriggerTrackStore;
28 class AliMUONVTriggerStore;
29 class AliMUONGeometryTransformer;
30 class AliMUONDigitMaker;
31 class AliMUONTriggerCircuit;
33 class AliMUONRecoParam;
35 class AliMUONVTrackReconstructor : public TObject {
38 AliMUONVTrackReconstructor(const AliMUONRecoParam* recoParam, AliMUONVClusterServer* clusterServer); // default Constructor
39 virtual ~AliMUONVTrackReconstructor(); // Destructor
42 void EventReconstruct(AliMUONVClusterStore& clusterStore,
43 AliMUONVTrackStore& trackStore);
45 void EventReconstructTrigger(const AliMUONTriggerCircuit& triggerCircuit,
46 const AliMUONVTriggerStore& triggerStore,
47 AliMUONVTriggerTrackStore& triggerTrackStore);
49 void ValidateTracksWithTrigger(AliMUONVTrackStore& trackStore,
50 const AliMUONVTriggerTrackStore& triggerTrackStore,
51 const AliMUONVTriggerStore& triggerStore,
52 const AliMUONTrackHitPattern& trackHitPattern);
54 const AliMUONRecoParam* GetRecoParam() const { return fRecoParam; }
56 /// re-fit the given track
57 virtual Bool_t RefitTrack(AliMUONTrack &track, Bool_t enableImprovement = kTRUE) = 0;
60 // methods previously got from the static muonrecoparam:
62 // MakeMoreTrackCandidates()
68 // GetMaxNonBendingSlope()
69 // GetMaxBendingSlope()
71 // GetMinBendingMomentum()
72 // GetMaxBendingMomentum()
74 // UseChamber(Int_t chamberId)
76 // GetMaxNonBendingDistanceToTrack()
77 // GetSigmaCutForTracking()
78 // GetMaxBendingDistanceToTrack()
79 // GetSigmaCutForTracking()
81 // RequestStation(Int_t stationId)
85 TClonesArray *fRecTracksPtr; ///< pointer to array of reconstructed tracks
86 Int_t fNRecTracks; ///< number of reconstructed tracks
88 AliMUONVClusterServer* fClusterServer; ///< reference to our cluster server
90 const AliMUONRecoParam* fRecoParam; ///< reference to reco parameters
93 AliMUONVTrackReconstructor (const AliMUONVTrackReconstructor& rhs); ///< copy constructor
94 AliMUONVTrackReconstructor& operator=(const AliMUONVTrackReconstructor& rhs); ///< assignment operator
96 /// Make track candidates from clusters in stations(1..) 4 and 5
97 virtual void MakeTrackCandidates(AliMUONVClusterStore& clusterStore) = 0;
98 /// Make extra track candidates from clusters in stations(1..) 4 and 5
99 virtual void MakeMoreTrackCandidates(AliMUONVClusterStore& clusterStore) = 0;
100 /// Follow tracks in stations(1..) 3, 2 and 1
101 virtual void FollowTracks(AliMUONVClusterStore& clusterStore) = 0;
102 /// Complement the reconstructed tracks
103 virtual void ComplementTracks(const AliMUONVClusterStore& clusterStore) = 0;
104 void ImproveTracks();
105 /// Improve the given reconstructed track
106 virtual void ImproveTrack(AliMUONTrack &track) = 0;
108 /// Finalize the given track
109 virtual void FinalizeTrack(AliMUONTrack &track) = 0;
111 TClonesArray* MakeSegmentsBetweenChambers(const AliMUONVClusterStore& clusterStore, Int_t ch1, Int_t ch2);
113 void RemoveIdenticalTracks();
114 void RemoveDoubleTracks();
116 void AskForNewClustersInStation(const AliMUONTrackParam &trackParam,
117 AliMUONVClusterStore& clusterStore, Int_t station);
118 void AskForNewClustersInChamber(const AliMUONTrackParam &trackParam,
119 AliMUONVClusterStore& clusterStore, Int_t chamber);
121 Double_t TryOneCluster(const AliMUONTrackParam &trackParam, AliMUONVCluster* cluster,
122 AliMUONTrackParam &trackParamAtCluster, Bool_t updatePropagator = kFALSE);
123 Bool_t TryOneClusterFast(const AliMUONTrackParam &trackParam, AliMUONVCluster* cluster);
124 Double_t TryTwoClustersFast(const AliMUONTrackParam &trackParamAtCluster1, AliMUONVCluster* cluster2,
125 AliMUONTrackParam &trackParamAtCluster2);
127 Bool_t FollowLinearTrackInChamber(AliMUONTrack &trackCandidate, const AliMUONVClusterStore& clusterStore, Int_t nextChamber);
128 Bool_t FollowLinearTrackInStation(AliMUONTrack &trackCandidate, const AliMUONVClusterStore& clusterStore, Int_t nextStation);
137 ClassDef(AliMUONVTrackReconstructor, 0) // MUON track reconstructor in ALICE