3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
7 // Revision of includes 07/05/2004
10 ///////////////////////////////////////////////////
11 // Reconstructed track in ALICE dimuon spectrometer
12 ///////////////////////////////////////////////////
14 #include <TClonesArray.h>
16 #include "AliMUONTrackParam.h" // object belongs to the class
17 #include "AliMUONHitForRec.h" // object belongs to the class
19 //const Int_t kMaxTrackingChamber=10;
24 class AliMUONEventReconstructor;
25 class AliMUONHitForRec;
28 class AliMUONTrack : public TObject
31 AliMUONTrack(); // Default constructor
32 virtual ~AliMUONTrack(); // Destructor
33 AliMUONTrack (const AliMUONTrack& AliMUONTrack); // copy constructor
34 AliMUONTrack& operator=(const AliMUONTrack& AliMUONTrack); // assignment operator
36 AliMUONTrack(AliMUONSegment* BegSegment, AliMUONSegment* EndSegment, AliMUONEventReconstructor* EventReconstructor); // Constructor from two Segment's
37 AliMUONTrack(AliMUONSegment* Segment, AliMUONHitForRec* HitForRec, AliMUONEventReconstructor* EventReconstructor); // Constructor from one Segment and one HitForRec
40 AliMUONEventReconstructor* GetEventReconstructor(void) const {return fEventReconstructor;}
41 AliMUONTrackParam* GetTrackParamAtVertex(void) {return &fTrackParamAtVertex;}
42 void SetTrackParamAtVertex(void); // Set track parameters at vertex from last stations 4 & 5
43 void SetTrackParamAtVertex(AliMUONTrackParam* TrackParam) {fTrackParamAtVertex = *TrackParam;}
44 TClonesArray *GetTrackParamAtHit(void) const {return fTrackParamAtHit;}
45 TClonesArray *GetHitForRecAtHit(void) const {return fHitForRecAtHit;}
46 void ResetTrackParamAtHit(void) { fTrackParamAtHit->Delete(); }
47 void ResetHitForRecAtHit(void) { fHitForRecAtHit->Delete(); }
48 void AddTrackParamAtHit(const AliMUONTrackParam *trackParam)
49 {new ((*fTrackParamAtHit)[fTrackParamAtHit->GetEntriesFast()]) AliMUONTrackParam(*trackParam);}
50 void AddHitForRecAtHit(const AliMUONHitForRec *hitForRec)
51 {new ((*fHitForRecAtHit)[fHitForRecAtHit->GetEntriesFast()]) AliMUONHitForRec(*hitForRec);}
53 TObjArray* GetTrackHitsPtr(void) const {return fTrackHitsPtr;}
54 Int_t GetNTrackHits(void) const {return fNTrackHits;}
55 Int_t GetFitMCS(void) const {return fFitMCS;}
56 Int_t GetFitNParam(void) const {return fFitNParam;}
57 Int_t GetFitStart(void) const {return fFitStart;}
58 Double_t GetFitFMin(void) const {return fFitFMin;}
59 Bool_t GetMatchTrigger(void) const {return fMatchTrigger;}
60 Double_t GetChi2MatchTrigger(void) const {return fChi2MatchTrigger;}
61 void SetFitMCS(Int_t FitMCS);
62 void SetFitNParam(Int_t FitNParam);
63 void SetFitStart(Int_t FitStart);
65 AliMUONTrackParam* GetTrackParamAtFirstHit(void) const;
67 void RecursiveDump(void) const; // Recursive dump (with track hits)
69 void AddSegment(AliMUONSegment* Segment); // Add Segment
70 void AddHitForRec(AliMUONHitForRec* HitForRec); // Add HitForRec
71 void SetTrackParamAtHit(Int_t indexHit, AliMUONTrackParam *TrackParam) const;
72 Int_t HitsInCommon(AliMUONTrack* Track) const;
73 void MatchTriggerTrack(TClonesArray* TriggerTrackArray);
74 Bool_t* CompatibleTrack(AliMUONTrack* Track, Double_t Sigma2Cut) const; // return array of compatible chamber
76 Int_t GetTrackID() const {return fTrackID;}
77 void SetTrackID(Int_t trackID) {fTrackID = trackID;}
79 static TVirtualFitter* Fitter(void) {return fgFitter;}
83 static TVirtualFitter* fgFitter; //! Pointer to track fitter
84 AliMUONEventReconstructor* fEventReconstructor; //! Pointer to EventReconstructor
85 AliMUONTrackParam fTrackParamAtVertex; // Track parameters at vertex
86 TClonesArray *fTrackParamAtHit; // Track parameters at hit
87 TClonesArray *fHitForRecAtHit; // Cluster parameters at hit
88 TObjArray *fTrackHitsPtr; //! Pointer to array of pointers to TrackHit's
89 Int_t fNTrackHits; // Number of TrackHit's
90 Int_t fFitMCS; // 0(1) for fit without(with) multiple Coulomb scattering
91 Int_t fFitNParam; // 3(5) for fit with 3(5) parameters
92 Int_t fFitStart; // 0 or 1 for fit starting from parameters at vertex (0) or at first TrackHit(1)
93 Double_t fFitFMin; // minimum value of the function minimized by the fit
94 Bool_t fMatchTrigger; // 1 if track matches with trigger track, 0 if not
95 Double_t fChi2MatchTrigger; // chi2 of trigger/track matching
97 Int_t fTrackID; // track ID = track number in TrackRefs
99 ClassDef(AliMUONTrack, 2) // Reconstructed track in ALICE dimuon spectrometer