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
17 class AliMUONTrackParam;
18 class AliMUONVCluster;
19 class AliMUONTriggerTrack;
20 class AliMUONTrackHitPattern;
21 class AliMUONVClusterServer;
22 class AliMUONVClusterStore;
23 class AliMUONVTrackStore;
24 class AliMUONVTriggerTrackStore;
25 class AliMUONVTriggerStore;
26 class AliMUONGeometryTransformer;
27 class AliMUONDigitMaker;
28 class AliMUONTriggerCircuit;
30 class AliMUONRecoParam;
32 class AliMUONVTrackReconstructor : public TObject {
35 AliMUONVTrackReconstructor(const AliMUONRecoParam* recoParam, AliMUONVClusterServer* clusterServer); // default Constructor
36 virtual ~AliMUONVTrackReconstructor(); // Destructor
39 void EventReconstruct(AliMUONVClusterStore& clusterStore,
40 AliMUONVTrackStore& trackStore);
42 void EventReconstructTrigger(const AliMUONTriggerCircuit& triggerCircuit,
43 const AliMUONVTriggerStore& triggerStore,
44 AliMUONVTriggerTrackStore& triggerTrackStore);
46 void ValidateTracksWithTrigger(AliMUONVTrackStore& trackStore,
47 const AliMUONVTriggerTrackStore& triggerTrackStore,
48 const AliMUONVTriggerStore& triggerStore,
49 const AliMUONTrackHitPattern& trackHitPattern);
51 /// Return reco parameters
52 const AliMUONRecoParam* GetRecoParam() const { return fkRecoParam; }
54 /// Re-fit the given track
55 virtual Bool_t RefitTrack(AliMUONTrack &track, Bool_t enableImprovement = kTRUE) = 0;
60 TClonesArray *fRecTracksPtr; ///< pointer to array of reconstructed tracks
61 Int_t fNRecTracks; ///< number of reconstructed tracks
63 AliMUONVClusterServer* fClusterServer; ///< reference to our cluster server
65 const AliMUONRecoParam* fkRecoParam; ///< reference to reco parameters
68 AliMUONVTrackReconstructor (const AliMUONVTrackReconstructor& rhs); ///< copy constructor
69 AliMUONVTrackReconstructor& operator=(const AliMUONVTrackReconstructor& rhs); ///< assignment operator
71 /// Make track candidates from clusters in stations(1..) 4 and 5
72 virtual void MakeTrackCandidates(AliMUONVClusterStore& clusterStore) = 0;
73 /// Make extra track candidates from clusters in stations(1..) 4 and 5
74 virtual void MakeMoreTrackCandidates(AliMUONVClusterStore& clusterStore) = 0;
75 /// Follow tracks in stations(1..) 3, 2 and 1
76 virtual void FollowTracks(AliMUONVClusterStore& clusterStore) = 0;
77 /// Complement the reconstructed tracks
78 virtual void ComplementTracks(const AliMUONVClusterStore& clusterStore) = 0;
80 /// Improve the given reconstructed track
81 virtual void ImproveTrack(AliMUONTrack &track) = 0;
83 /// Finalize the given track
84 virtual void FinalizeTrack(AliMUONTrack &track) = 0;
86 TClonesArray* MakeSegmentsBetweenChambers(const AliMUONVClusterStore& clusterStore, Int_t ch1, Int_t ch2);
88 void RemoveIdenticalTracks();
89 void RemoveDoubleTracks();
90 void RemoveConnectedTracks(Bool_t inSt345 = kFALSE);
92 void AskForNewClustersInStation(const AliMUONTrackParam &trackParam,
93 AliMUONVClusterStore& clusterStore, Int_t station);
94 void AskForNewClustersInChamber(const AliMUONTrackParam &trackParam,
95 AliMUONVClusterStore& clusterStore, Int_t chamber);
97 Double_t TryOneCluster(const AliMUONTrackParam &trackParam, AliMUONVCluster* cluster,
98 AliMUONTrackParam &trackParamAtCluster, Bool_t updatePropagator = kFALSE);
99 Bool_t TryOneClusterFast(const AliMUONTrackParam &trackParam, const AliMUONVCluster* cluster);
100 Double_t TryTwoClustersFast(const AliMUONTrackParam &trackParamAtCluster1, AliMUONVCluster* cluster2,
101 AliMUONTrackParam &trackParamAtCluster2);
103 Bool_t FollowLinearTrackInChamber(AliMUONTrack &trackCandidate, const AliMUONVClusterStore& clusterStore, Int_t nextChamber);
104 Bool_t FollowLinearTrackInStation(AliMUONTrack &trackCandidate, const AliMUONVClusterStore& clusterStore, Int_t nextStation);
113 ClassDef(AliMUONVTrackReconstructor, 0) // MUON track reconstructor in ALICE