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;
20 class AliMUONEventReconstructor;
21 class AliMUONHitForRec;
24 class AliMUONTrack : public TObject {
26 AliMUONTrack(); // Default constructor
27 virtual ~AliMUONTrack(); // Destructor
28 AliMUONTrack (const AliMUONTrack& AliMUONTrack); // copy constructor
29 AliMUONTrack& operator=(const AliMUONTrack& AliMUONTrack); // assignment operator
31 AliMUONTrack(AliMUONSegment* BegSegment, AliMUONSegment* EndSegment, AliMUONEventReconstructor* EventReconstructor); // Constructor from two Segment's
32 AliMUONTrack(AliMUONSegment* Segment, AliMUONHitForRec* HitForRec, AliMUONEventReconstructor* EventReconstructor); // Constructor from one Segment and one HitForRec
35 AliMUONEventReconstructor* GetEventReconstructor(void) const {return fEventReconstructor;}
36 AliMUONTrackParam* GetTrackParamAtVertex(void) {return &fTrackParamAtVertex;}
37 void SetTrackParamAtVertex(void); // Set track parameters at vertex from last stations 4 & 5
38 void SetTrackParamAtVertex(AliMUONTrackParam* TrackParam) {fTrackParamAtVertex = *TrackParam;}
39 TClonesArray *GetTrackParamAtHit(void) const {return fTrackParamAtHit;}
40 void AddTrackParamAtHit(const AliMUONTrackParam *trackParam)
41 {new ((*fTrackParamAtHit)[fTrackParamAtHit->GetEntriesFast()]) AliMUONTrackParam(*trackParam);}
43 TObjArray* GetTrackHitsPtr(void) const {return fTrackHitsPtr;}
44 Int_t GetNTrackHits(void) const {return fNTrackHits;}
45 Int_t GetFitMCS(void) const {return fFitMCS;}
46 Int_t GetFitNParam(void) const {return fFitNParam;}
47 Int_t GetFitStart(void) const {return fFitStart;}
48 Double_t GetFitFMin(void) const {return fFitFMin;}
49 Bool_t GetMatchTrigger(void) const {return fMatchTrigger;}
50 Double_t GetChi2MatchTrigger(void) const {return fChi2MatchTrigger;}
51 void SetFitMCS(Int_t FitMCS);
52 void SetFitNParam(Int_t FitNParam);
53 void SetFitStart(Int_t FitStart);
55 AliMUONTrackParam* GetTrackParamAtFirstHit(void) const;
57 void RecursiveDump(void) const; // Recursive dump (with track hits)
59 void AddSegment(AliMUONSegment* Segment); // Add Segment
60 void AddHitForRec(AliMUONHitForRec* HitForRec); // Add HitForRec
61 void SetTrackParamAtHit(Int_t indexHit, AliMUONTrackParam *TrackParam) const;
62 Int_t HitsInCommon(AliMUONTrack* Track);
63 void MatchTriggerTrack(TClonesArray* TriggerTrackArray);
65 static TVirtualFitter* Fitter(void) {return fgFitter;}
69 static TVirtualFitter* fgFitter; //! Pointer to track fitter
70 AliMUONEventReconstructor* fEventReconstructor; //! Pointer to EventReconstructor
71 AliMUONTrackParam fTrackParamAtVertex; // Track parameters at vertex
72 TClonesArray *fTrackParamAtHit; // Track parameters at hit
73 TObjArray *fTrackHitsPtr; //! Pointer to array of pointers to TrackHit's
74 Int_t fNTrackHits; // Number of TrackHit's
75 Int_t fFitMCS; // 0(1) for fit without(with) multiple Coulomb scattering
76 Int_t fFitNParam; // 3(5) for fit with 3(5) parameters
77 Int_t fFitStart; // 0 or 1 for fit starting from parameters at vertex (0) or at first TrackHit(1)
78 Double_t fFitFMin; // minimum value of the function minimized by the fit
79 Bool_t fMatchTrigger; // 1 if track matches with trigger track, 0 if not
80 Double_t fChi2MatchTrigger; // chi2 of trigger/track matching
82 ClassDef(AliMUONTrack, 2) // Reconstructed track in ALICE dimuon spectrometer