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 AliMUONTriggerTrack;
18 class AliMUONTrackHitPattern;
19 class AliMUONVClusterStore;
20 class AliMUONVTrackStore;
21 class AliMUONVTriggerTrackStore;
22 class AliMUONVTriggerStore;
23 class AliMUONGeometryTransformer;
24 class AliMUONDigitMaker;
25 class AliMUONTriggerCircuit;
27 class AliMUONVTrackReconstructor : public TObject {
30 AliMUONVTrackReconstructor(); // default Constructor
31 virtual ~AliMUONVTrackReconstructor(); // Destructor
33 // Parameters for track reconstruction: public methods
34 // Get and Set, Set to defaults
35 /// Return minimum value (GeV/c) of momentum in bending plane
36 Double_t GetMinBendingMomentum(void) const {return fMinBendingMomentum;}
37 /// Return chamber resolution (cm) in bending plane
38 Double_t GetBendingResolution(void) const {return fBendingResolution;}
39 /// Return chamber resolution (cm) in non-bending plane
40 Double_t GetNonBendingResolution(void) const {return fNonBendingResolution;}
42 // Reconstructed tracks
43 /// Return number of reconstructed tracks
44 Int_t GetNRecTracks() const {return fNRecTracks;} // Number
45 /// Set number of reconstructed tracks
46 void SetNRecTracks(Int_t NRecTracks) {fNRecTracks = NRecTracks;}
47 /// Return array of reconstructed tracks
48 TClonesArray* GetRecTracksPtr(void) const {return fRecTracksPtr;} // Array
51 void EventReconstruct(const AliMUONVClusterStore& clusterStore,
52 AliMUONVTrackStore& trackStore);
54 void EventReconstructTrigger(const AliMUONTriggerCircuit& triggerCircuit,
55 const AliMUONVTriggerStore& triggerStore,
56 AliMUONVTriggerTrackStore& triggerTrackStore);
58 void ValidateTracksWithTrigger(AliMUONVTrackStore& trackStore,
59 const AliMUONVTriggerTrackStore& triggerTrackStore,
60 const AliMUONVTriggerStore& triggerStore,
61 const AliMUONTrackHitPattern& trackHitPattern);
65 // Defaults parameters for reconstruction
66 static const Double_t fgkDefaultMinBendingMomentum; ///< default min. bending momentum for reconstruction
67 static const Double_t fgkDefaultMaxBendingMomentum; ///< default max. bending momentum for reconstruction
68 static const Double_t fgkDefaultBendingResolution; ///< default bending coordinate resolution for reconstruction
69 static const Double_t fgkDefaultNonBendingResolution; ///< default non bending coordinate resolution for reconstruction
70 static const Double_t fgkDefaultBendingVertexDispersion; ///< default vertex dispersion in bending plane for reconstruction
71 static const Double_t fgkDefaultNonBendingVertexDispersion; ///< default vertex dispersion in non bending plane for reconstruction
72 static const Double_t fgkDefaultMaxNormChi2MatchTrigger; ///< default maximum normalized chi2 of tracking/trigger track matching
74 // Parameters for track reconstruction
75 Double_t fMinBendingMomentum; ///< minimum value (GeV/c) of momentum in bending plane
76 Double_t fMaxBendingMomentum; ///< maximum value (GeV/c) of momentum in bending plane
77 Double_t fBendingResolution; ///< chamber resolution (cm) in bending plane
78 Double_t fNonBendingResolution; ///< chamber resolution (cm) in non bending plane
79 Double_t fBendingVertexDispersion; ///< vextex dispersion (cm) in bending plane
80 Double_t fNonBendingVertexDispersion; ///< vextex dispersion (cm) in non bending plane
81 Double_t fMaxNormChi2MatchTrigger; ///< maximum normalized chi2 of tracking/trigger track matching
83 TClonesArray* fHitsForRecPtr; ///< pointer to the array of hits for reconstruction
84 Int_t fNHitsForRec; ///< number of hits for reconstruction
85 Int_t* fNHitsForRecPerChamber; ///< number of HitsForRec
86 Int_t* fIndexOfFirstHitForRecPerChamber; ///< index (0...) of first HitForRec
88 // Reconstructed tracks
89 TClonesArray *fRecTracksPtr; ///< pointer to array of reconstructed tracks
90 Int_t fNRecTracks; ///< number of reconstructed tracks
93 AliMUONVTrackReconstructor (const AliMUONVTrackReconstructor& rhs); ///< copy constructor
94 AliMUONVTrackReconstructor& operator=(const AliMUONVTrackReconstructor& rhs); ///< assignment operator
96 void SortHitsForRecWithIncreasingChamber();
97 TClonesArray *MakeSegmentsInStation(Int_t station);
100 virtual void AddHitsForRecFromRawClusters(const AliMUONVClusterStore& clusterStore);
101 /// \todo add comment
102 virtual void MakeTracks(void) = 0;
103 /// \todo add comment
104 virtual void MakeTrackCandidates(void) = 0;
105 /// \todo add comment
106 virtual void FollowTracks(void) = 0;
107 /// \todo add comment
108 virtual void RemoveDoubleTracks(void) = 0;
109 /// \todo add comment
110 virtual void FillMUONTrack(void) = 0;
115 void ResetTracks(void);
116 void ResetHitsForRec(void);
118 ClassDef(AliMUONVTrackReconstructor, 0) // MUON track reconstructor in ALICE