3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 ///////////////////////////////////////////////////
9 // Reconstructed track in ALICE dimuon spectrometer
10 ///////////////////////////////////////////////////
12 #include "AliMUONTrackParam.h" // object belongs to the class
14 const Int_t kMaxTrackingChamber=10;
19 class AliMUONEventReconstructor;
20 class AliMUONHitForRec;
23 class AliMUONTrack : public TObject {
25 AliMUONTrack(); // Default constructor
26 virtual ~AliMUONTrack(); // Destructor
27 AliMUONTrack (const AliMUONTrack& AliMUONTrack); // copy constructor
28 AliMUONTrack& operator=(const AliMUONTrack& AliMUONTrack); // assignment operator
30 AliMUONTrack(AliMUONSegment* BegSegment, AliMUONSegment* EndSegment, AliMUONEventReconstructor* EventReconstructor); // Constructor from two Segment's
31 AliMUONTrack(AliMUONSegment* Segment, AliMUONHitForRec* HitForRec, AliMUONEventReconstructor* EventReconstructor); // Constructor from one Segment and one HitForRec
34 AliMUONEventReconstructor* GetEventReconstructor(void) const {return fEventReconstructor;}
35 AliMUONTrackParam* GetTrackParamAtVertex(void) {return &fTrackParamAtVertex;}
36 void SetTrackParamAtVertex(void); // Set track parameters at vertex from last stations 4 & 5
37 void SetTrackParamAtVertex(AliMUONTrackParam* TrackParam) {fTrackParamAtVertex = *TrackParam;}
38 TClonesArray *GetTrackParamAtHit(void) const {return fTrackParamAtHit;}
39 void AddTrackParamAtHit(const AliMUONTrackParam *trackParam)
40 {new ((*fTrackParamAtHit)[fTrackParamAtHit->GetEntriesFast()]) AliMUONTrackParam(*trackParam);}
42 TObjArray* GetTrackHitsPtr(void) const {return fTrackHitsPtr;}
43 Int_t GetNTrackHits(void) const {return fNTrackHits;}
44 Int_t GetFitMCS(void) const {return fFitMCS;}
45 Int_t GetFitNParam(void) const {return fFitNParam;}
46 Int_t GetFitStart(void) const {return fFitStart;}
47 Double_t GetFitFMin(void) const {return fFitFMin;}
48 Bool_t GetMatchTrigger(void) const {return fMatchTrigger;}
49 Double_t GetChi2MatchTrigger(void) const {return fChi2MatchTrigger;}
50 void SetFitMCS(Int_t FitMCS);
51 void SetFitNParam(Int_t FitNParam);
52 void SetFitStart(Int_t FitStart);
54 AliMUONTrackParam* GetTrackParamAtFirstHit(void) const;
56 void RecursiveDump(void) const; // Recursive dump (with track hits)
58 void AddSegment(AliMUONSegment* Segment); // Add Segment
59 void AddHitForRec(AliMUONHitForRec* HitForRec); // Add HitForRec
60 void SetTrackParamAtHit(Int_t indexHit, AliMUONTrackParam *TrackParam) const;
61 Int_t HitsInCommon(AliMUONTrack* Track);
62 void MatchTriggerTrack(TClonesArray* TriggerTrackArray);
64 static TVirtualFitter* Fitter(void) {return fgFitter;}
68 static TVirtualFitter* fgFitter; //! Pointer to track fitter
69 AliMUONEventReconstructor* fEventReconstructor; //! Pointer to EventReconstructor
70 AliMUONTrackParam fTrackParamAtVertex; // Track parameters at vertex
71 TClonesArray *fTrackParamAtHit; // Track parameters at hit
72 TObjArray *fTrackHitsPtr; //! Pointer to array of pointers to TrackHit's
73 Int_t fNTrackHits; // Number of TrackHit's
74 Int_t fFitMCS; // 0(1) for fit without(with) multiple Coulomb scattering
75 Int_t fFitNParam; // 3(5) for fit with 3(5) parameters
76 Int_t fFitStart; // 0 or 1 for fit starting from parameters at vertex (0) or at first TrackHit(1)
77 Double_t fFitFMin; // minimum value of the function minimized by the fit
78 Bool_t fMatchTrigger; // 1 if track matches with trigger track, 0 if not
79 Double_t fChi2MatchTrigger; // chi2 of trigger/track matching
81 ClassDef(AliMUONTrack, 2) // Reconstructed track in ALICE dimuon spectrometer