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
67 Double_t* fMaxMCSAngle2; ///< maximum angle dispersion due to MCS
70 AliMUONVTrackReconstructor (const AliMUONVTrackReconstructor& rhs); ///< copy constructor
71 AliMUONVTrackReconstructor& operator=(const AliMUONVTrackReconstructor& rhs); ///< assignment operator
73 /// Make track candidates from clusters in stations(1..) 4 and 5
74 virtual Bool_t MakeTrackCandidates(AliMUONVClusterStore& clusterStore) = 0;
75 /// Make extra track candidates from clusters in stations(1..) 4 and 5
76 virtual Bool_t MakeMoreTrackCandidates(AliMUONVClusterStore& clusterStore) = 0;
77 /// Follow tracks in stations(1..) 3, 2 and 1
78 virtual Bool_t FollowTracks(AliMUONVClusterStore& clusterStore) = 0;
79 /// Complement the reconstructed tracks
80 virtual Bool_t ComplementTracks(const AliMUONVClusterStore& clusterStore) = 0;
82 /// Improve the given reconstructed track
83 virtual void ImproveTrack(AliMUONTrack &track) = 0;
85 /// Finalize the given track
86 virtual Bool_t FinalizeTrack(AliMUONTrack &track) = 0;
88 Bool_t IsAcceptable(AliMUONTrackParam &trackParam);
90 TClonesArray* MakeSegmentsBetweenChambers(const AliMUONVClusterStore& clusterStore, Int_t ch1, Int_t ch2);
92 void RemoveUsedSegments(TClonesArray& segments);
93 void RemoveIdenticalTracks();
94 void RemoveDoubleTracks();
95 void RemoveConnectedTracks(Bool_t inSt345 = kFALSE);
97 void AskForNewClustersInStation(const AliMUONTrackParam &trackParam,
98 AliMUONVClusterStore& clusterStore, Int_t station);
99 void AskForNewClustersInChamber(const AliMUONTrackParam &trackParam,
100 AliMUONVClusterStore& clusterStore, Int_t chamber);
102 Double_t TryOneCluster(const AliMUONTrackParam &trackParam, AliMUONVCluster* cluster,
103 AliMUONTrackParam &trackParamAtCluster, Bool_t updatePropagator = kFALSE);
104 Bool_t TryOneClusterFast(const AliMUONTrackParam &trackParam, const AliMUONVCluster* cluster);
105 Double_t TryTwoClustersFast(const AliMUONTrackParam &trackParamAtCluster1, AliMUONVCluster* cluster2,
106 AliMUONTrackParam &trackParamAtCluster2);
108 Bool_t FollowLinearTrackInChamber(AliMUONTrack &trackCandidate, const AliMUONVClusterStore& clusterStore, Int_t nextChamber);
109 Bool_t FollowLinearTrackInStation(AliMUONTrack &trackCandidate, const AliMUONVClusterStore& clusterStore, Int_t nextStation);
117 ClassDef(AliMUONVTrackReconstructor, 0) // MUON track reconstructor in ALICE