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
16 class AliMUONEventReconstructor;
17 class AliMUONHitForRec;
20 class AliMUONTrack : public TObject {
25 fEventReconstructor = 0;
28 virtual ~AliMUONTrack(); // Destructor
29 AliMUONTrack (const AliMUONTrack& AliMUONTrack); // copy constructor
30 AliMUONTrack& operator=(const AliMUONTrack& AliMUONTrack); // assignment operator
32 AliMUONTrack(AliMUONSegment* BegSegment, AliMUONSegment* EndSegment, AliMUONEventReconstructor* EventReconstructor); // Constructor from two Segment's
33 AliMUONTrack(AliMUONSegment* Segment, AliMUONHitForRec* HitForRec, AliMUONEventReconstructor* EventReconstructor); // Constructor from one Segment and one HitForRec
36 AliMUONEventReconstructor* GetEventReconstructor(void) const {return fEventReconstructor;}
37 AliMUONTrackParam* GetTrackParamAtVertex(void) {return &fTrackParamAtVertex;}
38 void SetTrackParamAtVertex(void); // Set track parameters at vertex from last stations 4 & 5
39 void SetTrackParamAtVertex(AliMUONTrackParam* TrackParam) {fTrackParamAtVertex = *TrackParam;}
41 TObjArray* GetTrackHitsPtr(void) const {return fTrackHitsPtr;}
42 Int_t GetNTrackHits(void) const {return fNTrackHits;}
43 Int_t GetFitMCS(void) const {return fFitMCS;}
44 Int_t GetFitNParam(void) const {return fFitNParam;}
45 Int_t GetFitStart(void) const {return fFitStart;}
46 Double_t GetFitFMin(void) const {return fFitFMin;}
47 void SetFitMCS(Int_t FitMCS);
48 void SetFitNParam(Int_t FitNParam);
49 void SetFitStart(Int_t FitStart);
51 AliMUONTrackParam* GetTrackParamAtFirstHit(void) const;
53 void RecursiveDump(void) const; // Recursive dump (with track hits)
55 void AddSegment(AliMUONSegment* Segment); // Add Segment
56 void AddHitForRec(AliMUONHitForRec* HitForRec); // Add HitForRec
57 void SetTrackParamAtHit(Int_t indexHit, AliMUONTrackParam *TrackParam) const;
58 Int_t HitsInCommon(AliMUONTrack* Track);
60 static TVirtualFitter* Fitter(void) {return fgFitter;}
64 static TVirtualFitter* fgFitter; //! Pointer to track fitter
65 AliMUONEventReconstructor* fEventReconstructor; //! Pointer to EventReconstructor
66 AliMUONTrackParam fTrackParamAtVertex; // Track parameters at vertex
67 TObjArray *fTrackHitsPtr; //! Pointer to array of pointers to TrackHit's
68 Int_t fNTrackHits; // Number of TrackHit's
69 Int_t fFitMCS; // 0(1) for fit without(with) multiple Coulomb scattering
70 Int_t fFitNParam; // 3(5) for fit with 3(5) parameters
71 Int_t fFitStart; // 0 or 1 for fit starting from parameters at vertex (0) or at first TrackHit(1)
72 Double_t fFitFMin; // minimum value of the function minimized by the fit
74 ClassDef(AliMUONTrack, 2) // Reconstructed track in ALICE dimuon spectrometer