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 AliMUONHitForRec;
22 class AliMUONTriggerTrack;
23 class AliMUONTrackHitPattern;
24 class AliMUONVClusterStore;
25 class AliMUONVTrackStore;
26 class AliMUONVTriggerTrackStore;
27 class AliMUONVTriggerStore;
28 class AliMUONGeometryTransformer;
29 class AliMUONDigitMaker;
30 class AliMUONTriggerCircuit;
33 class AliMUONVTrackReconstructor : public TObject {
36 AliMUONVTrackReconstructor(); // default Constructor
37 virtual ~AliMUONVTrackReconstructor(); // Destructor
39 // Parameters for track reconstruction: public methods
40 // Get and Set, Set to defaults
41 /// Return minimum value (GeV/c) of momentum in bending plane
42 Double_t GetMinBendingMomentum() const {return AliMUONReconstructor::GetRecoParam()->GetMinBendingMomentum();}
44 // Reconstructed tracks
45 /// Return number of reconstructed tracks
46 Int_t GetNRecTracks() const {return fNRecTracks;} // Number
47 /// Set number of reconstructed tracks
48 void SetNRecTracks(Int_t NRecTracks) {fNRecTracks = NRecTracks;}
49 /// Return array of reconstructed tracks
50 TClonesArray* GetRecTracksPtr() const {return fRecTracksPtr;} // Array
53 void EventReconstruct(const AliMUONVClusterStore& clusterStore,
54 AliMUONVTrackStore& trackStore);
56 void EventReconstructTrigger(const AliMUONTriggerCircuit& triggerCircuit,
57 const AliMUONVTriggerStore& triggerStore,
58 AliMUONVTriggerTrackStore& triggerTrackStore);
60 void ValidateTracksWithTrigger(AliMUONVTrackStore& trackStore,
61 const AliMUONVTriggerTrackStore& triggerTrackStore,
62 const AliMUONVTriggerStore& triggerStore,
63 const AliMUONTrackHitPattern& trackHitPattern);
68 TClonesArray* fHitsForRecPtr; ///< pointer to the array of hits for reconstruction
69 Int_t fNHitsForRec; ///< number of hits for reconstruction
70 Int_t* fNHitsForRecPerChamber; ///< number of HitsForRec
71 Int_t* fIndexOfFirstHitForRecPerChamber; ///< index (0...) of first HitForRec
73 // Reconstructed tracks
74 TClonesArray *fRecTracksPtr; ///< pointer to array of reconstructed tracks
75 Int_t fNRecTracks; ///< number of reconstructed tracks
79 AliMUONVTrackReconstructor (const AliMUONVTrackReconstructor& rhs); ///< copy constructor
80 AliMUONVTrackReconstructor& operator=(const AliMUONVTrackReconstructor& rhs); ///< assignment operator
82 /// Make track candidats from clusters in stations(1..) 4 and 5
83 virtual void MakeTrackCandidates() = 0;
84 /// Follow tracks in stations(1..) 3, 2 and 1
85 virtual void FollowTracks() = 0;
86 /// Complement the reconstructed tracks
87 virtual void ComplementTracks() = 0;
88 /// Improve the reconstructed tracks
89 virtual void ImproveTracks() = 0;
90 /// Finalize the tracking results
91 virtual void Finalize() = 0;
93 TClonesArray* MakeSegmentsInStation(Int_t station);
95 void RemoveIdenticalTracks();
96 void RemoveDoubleTracks();
98 Double_t TryOneHitForRec(const AliMUONTrackParam &trackParam, AliMUONHitForRec* hitForRec,
99 AliMUONTrackParam &trackParamAtHit, Bool_t updatePropagator = kFALSE);
100 Bool_t TryOneHitForRecFast(const AliMUONTrackParam &trackParam, AliMUONHitForRec* hitForRec);
101 Double_t TryTwoHitForRecFast(const AliMUONTrackParam &trackParamAtHit1, AliMUONHitForRec* hitForRec2,
102 AliMUONTrackParam &trackParamAtHit2);
104 Bool_t FollowLinearTrackInStation(AliMUONTrack &trackCandidate, Int_t nextStation);
111 void ResetHitsForRec();
113 void AddHitsForRecFromRawClusters(const AliMUONVClusterStore& clusterStore);
114 void SortHitsForRecWithIncreasingChamber();
119 ClassDef(AliMUONVTrackReconstructor, 0) // MUON track reconstructor in ALICE