X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=MUON%2FAliMUONTrack.h;h=87936e19ac221e85b7059803e95a022c683d5d5c;hb=0cbc269bf64a56a3f65c2c0ceda08da34a5a0228;hp=cc43d7981bbdcfa03fe80c3face07e3abcb5dd8d;hpb=7771752ec862f31222329412e915e79197b8cea3;p=u%2Fmrichter%2FAliRoot.git diff --git a/MUON/AliMUONTrack.h b/MUON/AliMUONTrack.h index cc43d7981bb..87936e19ac2 100644 --- a/MUON/AliMUONTrack.h +++ b/MUON/AliMUONTrack.h @@ -14,63 +14,76 @@ /// Reconstructed track in ALICE dimuon spectrometer //////////////////////////////////////////////////// -#include - #include "AliMUONTrackParam.h" // object belongs to the class +#include class AliMUONHitForRec; +class AliMUONObjectPair; class AliMUONTrack : public TObject { public: AliMUONTrack(); // Default constructor + AliMUONTrack(AliMUONObjectPair *segment); // Constructor from a segment virtual ~AliMUONTrack(); // Destructor - AliMUONTrack (const AliMUONTrack& AliMUONTrack); // copy constructor - AliMUONTrack& operator=(const AliMUONTrack& AliMUONTrack); // assignment operator + AliMUONTrack (const AliMUONTrack& track); // copy constructor + AliMUONTrack& operator=(const AliMUONTrack& track); // assignment operator - AliMUONTrack(AliMUONHitForRec* hitForRec1, AliMUONHitForRec* hitForRec2); // Constructor from a segment /// return pointeur to track parameters at vertex - AliMUONTrackParam* GetTrackParamAtVertex(void) {return &fTrackParamAtVertex;} + AliMUONTrackParam* GetTrackParamAtVertex() {return &fTrackParamAtVertex;} /// set track parameters at vertex - void SetTrackParamAtVertex(AliMUONTrackParam* trackParam) {fTrackParamAtVertex = *trackParam;} + void SetTrackParamAtVertex(const AliMUONTrackParam* trackParam) {fTrackParamAtVertex = *trackParam;} /// return array of track parameters at hit - TClonesArray* GetTrackParamAtHit(void) const {return fTrackParamAtHit;} + TClonesArray* GetTrackParamAtHit() const {return fTrackParamAtHit;} /// reset array of track parameters at hit - void ResetTrackParamAtHit(void) { fTrackParamAtHit->Delete(); } - void AddTrackParamAtHit(AliMUONTrackParam *trackParam, AliMUONHitForRec *hitForRec); + void ResetTrackParamAtHit() { fTrackParamAtHit->Delete(); } + void AddTrackParamAtHit(const AliMUONTrackParam *trackParam, AliMUONHitForRec *hitForRec); + void RemoveTrackParamAtHit(AliMUONTrackParam *trackParam); + void UpdateTrackParamAtHit(); + void UpdateCovTrackParamAtHit(); /// return array of hitForRec at hit - TClonesArray* GetHitForRecAtHit(void) const {return fHitForRecAtHit;} + TClonesArray* GetHitForRecAtHit() const {return fHitForRecAtHit;} /// reset array of hitForRec at hit - void ResetHitForRecAtHit(void) { fHitForRecAtHit->Delete(); } + void ResetHitForRecAtHit() { fHitForRecAtHit->Delete(); } void AddHitForRecAtHit(const AliMUONHitForRec *hitForRec); /// return the number of hits attached to the track - Int_t GetNTrackHits(void) const {return fNTrackHits;} + Int_t GetNTrackHits() const {return fNTrackHits;} /// set the number of hits attached to the track void SetNTrackHits(Int_t nTrackHits) {fNTrackHits = nTrackHits;} - /// return pointeur to track parameters extrapolated to the next station - AliMUONTrackParam* GetExtrapTrackParam(void) {return &fExtrapTrackParam;} - /// set track parameters extrapolated to next station - void SetExtrapTrackParam(AliMUONTrackParam* trackParam) {fExtrapTrackParam = *trackParam;} - /// return kTrue if the vertex must be used to constrain the fit, kFalse if not - Bool_t GetFitWithVertex(void) const {return fFitWithVertex;} + Bool_t GetFitWithVertex() const {return fFitWithVertex;} /// set the flag telling whether the vertex must be used to constrain the fit or not void SetFitWithVertex(Bool_t fitWithVertex) { fFitWithVertex = fitWithVertex; } /// return the vertex used during the tracking procedure - AliMUONHitForRec* GetVertex(void) const {return fVertex;} - void SetVertex(AliMUONHitForRec* vertex); + AliMUONHitForRec* GetVertex() const {return fVertex;} + void SetVertex(const AliMUONHitForRec* vertex); + + /// return kTrue if the multiple scattering must be accounted for in the fit, kFalse if not + Bool_t GetFitWithMCS() const {return fFitWithMCS;} + /// set the flag telling whether the multiple scattering must be accounted for in the fit or not + void SetFitWithMCS(Bool_t fitWithMCS) {fFitWithMCS = fitWithMCS;} + + Bool_t ComputeHitWeights(TMatrixD* mcsCovariances = 0); + Bool_t ComputeLocalChi2(Bool_t accountForMCS); + Double_t ComputeGlobalChi2(Bool_t accountForMCS); /// return the minimum value of the function minimized by the fit - Double_t GetFitFMin(void) const {return fFitFMin;} + Double_t GetFitFMin() const {return fGlobalChi2;} /// set the minimum value of the function minimized by the fit - void SetFitFMin(Double_t chi2) { fFitFMin = chi2; } - /// return 0,1,2 if track matches with trigger track, -1 if not - Int_t GetMatchTrigger(void) const {return fMatchTrigger;} + void SetFitFMin(Double_t chi2) { fGlobalChi2 = chi2;} + + /// return kTRUE if the track has been improved + Bool_t IsImproved() const {return fImproved;} + /// set the flag telling whether the track has been improved or not + void SetImproved(Bool_t improved) { fImproved = improved;} + + /// return 1,2,3 if track matches with trigger track, 0 if not + Int_t GetMatchTrigger(void) const {return fMatchTrigger;} /// returns the local trigger number corresponding to the trigger track Int_t GetLoTrgNum(void) const {return floTrgNum;} /// set the flag telling whether track matches with trigger track or not @@ -81,8 +94,11 @@ class AliMUONTrack : public TObject Double_t GetChi2MatchTrigger(void) const {return fChi2MatchTrigger;} /// set the chi2 of trigger/track matching void SetChi2MatchTrigger(Double_t chi2MatchTrigger) {fChi2MatchTrigger = chi2MatchTrigger;} - + Int_t HitsInCommon(AliMUONTrack* track) const; + + Double_t GetNormalizedChi2() const; + Bool_t* CompatibleTrack(AliMUONTrack* track, Double_t sigma2Cut) const; // return array of compatible chamber /// return track number in TrackRefs @@ -95,41 +111,71 @@ class AliMUONTrack : public TObject /// set word telling which trigger chambers where hit by track void SetHitsPatternInTrigCh(UShort_t hitsPatternInTrigCh) {fHitsPatternInTrigCh = hitsPatternInTrigCh;} - Double_t TryOneHitForRec(AliMUONHitForRec* hitForRec); - Double_t TryTwoHitForRec(AliMUONHitForRec* hitForRec1, AliMUONHitForRec* hitForRec2); - + /// set local trigger information for the matched trigger track + void SetLocalTrigger(Int_t loCirc, Int_t loStripX, Int_t loStripY, Int_t loDev, Int_t loLpt, Int_t loHpt); + /// return local trigger information for the matched trigger track + Int_t GetLocalTrigger(void) const { return fLocalTrigger; } + /// number of triggering circuit + Int_t LoCircuit(void) const + { Int_t circ = fLocalTrigger & 0xFF; return (circ == 234) ? -1 : circ; } + /// x-strip local trigger + Int_t LoStripX(void) const { return fLocalTrigger >> 8 & 0x1F; } + /// y-strip local trigger + Int_t LoStripY(void) const { return fLocalTrigger >> 13 & 0x0F; } + /// deviation local trigger + Int_t LoDev(void) const { return fLocalTrigger >> 17 & 0x1F; } + /// low pt decision local trigger + Int_t LoLpt(void) const { return fLocalTrigger >> 22 & 0x03; } + /// high pt decision local trigger + Int_t LoHpt(void) const { return fLocalTrigger >> 24 & 0x03; } + void RecursiveDump(void) const; // Recursive dump (with track hits) virtual void Print(Option_t* opt="") const; + virtual void Clear(Option_t* opt=""); + private: - static const Double_t fgkMaxTrackingDistanceBending; ///< Maximum distance to the track to search for compatible hitForRec(s) in bending direction - static const Double_t fgkMaxTrackingDistanceNonBending; ///< Maximum distance to the track to search for compatible hitForRec(s) in non bending direction - + AliMUONTrackParam fTrackParamAtVertex; //!< Track parameters at vertex TClonesArray *fTrackParamAtHit; ///< Track parameters at hit TClonesArray *fHitForRecAtHit; ///< Cluster parameters at hit Int_t fNTrackHits; ///< Number of hits attached to the track - AliMUONTrackParam fExtrapTrackParam; //!< Track parameters extrapolated to a given z position - - Bool_t fFitWithVertex; //!< 1 if using the vertex to constrain the fit, 0 if not + Bool_t fFitWithVertex; //!< kTRUE if using the vertex to constrain the fit, kFALSE if not AliMUONHitForRec *fVertex; //!< Vertex used during the tracking procedure if required - Double_t fFitFMin; ///< minimum value of the function minimized by the fit - Int_t fMatchTrigger; ///< -1 track does not match trigger - ///< 0 track match but does not pass pt cut - ///< 1 track match Low pt cut - ///< 2 track match High pt cut + Bool_t fFitWithMCS; //!< kTRUE if accounting for multiple scattering in the fit, kFALSE if not + + TMatrixD* fHitWeightsNonBending; //!< weights matrix, in non bending direction, of hits attached to the track + //!< (accounting for multiple scattering and hits resolution) + TMatrixD* fHitWeightsBending; //!< weights matrix, in bending direction, of hits attached to the track + //!< (accounting for multiple scattering and hits resolution) + + Double_t fGlobalChi2; ///< Global chi2 of the track + + Bool_t fImproved; //!< kTRUE if the track has been improved + + Int_t fMatchTrigger; ///< 0 track does not match trigger + ///< 1 track match but does not pass pt cut + ///< 2 track match Low pt cut + ///< 3 track match High pt cut Int_t floTrgNum; ///< the number of the corresponding loTrg, -1 if no matching Double_t fChi2MatchTrigger; ///< chi2 of trigger/track matching Int_t fTrackID; ///< track ID = track number in TrackRefs UShort_t fHitsPatternInTrigCh; ///< Word containing info on the hits left in trigger chambers + + Int_t fLocalTrigger; ///< packed local trigger information + + + // methods + Bool_t ComputeHitWeights(TMatrixD& hitWeightsNB, TMatrixD& hitWeightsB, TMatrixD* mcsCovariances = 0, AliMUONHitForRec* discardedHit = 0) const; + void ComputeMCSCovariances(TMatrixD& mcsCovariances) const; - ClassDef(AliMUONTrack, 5) // Reconstructed track in ALICE dimuon spectrometer + ClassDef(AliMUONTrack, 7) // Reconstructed track in ALICE dimuon spectrometer }; #endif