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46d29e70 | 1 | #ifndef ALITRDTRACK_H |
b3a5a838 | 2 | #define ALITRDTRACK_H |
46d29e70 | 3 | |
4 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
b3a5a838 | 5 | * See cxx source for full Copyright notice */ |
46d29e70 | 6 | |
15ed8ba1 | 7 | /* $Id$ */ |
46d29e70 | 8 | |
53c17fbf | 9 | /////////////////////////////////////////////////////////////////////////////// |
10 | // // | |
11 | // Represents a reconstructed TRD track // | |
12 | // // | |
13 | /////////////////////////////////////////////////////////////////////////////// | |
46d29e70 | 14 | |
15ed8ba1 | 15 | #include "AliKalmanTrack.h" |
fe33d239 | 16 | |
15ed8ba1 | 17 | #include "AliTRDtracklet.h" |
18 | ||
19 | class AliESDtrack; | |
20 | class AliTrackReference; | |
dab811d0 | 21 | class AliTRDcluster; |
15ed8ba1 | 22 | |
43bfc8af | 23 | const unsigned kMAXCLUSTERSPERTRACK = 210; |
15ed8ba1 | 24 | |
7ad19338 | 25 | class AliTRDtrack : public AliKalmanTrack { |
27eaf44b | 26 | |
27 | public: | |
53c17fbf | 28 | |
43bfc8af | 29 | enum { kNdet = 540 |
15ed8ba1 | 30 | , kNstacks = 90 |
31 | , kNplane = 6 | |
32 | , kNcham = 5 | |
33 | , kNsect = 18 | |
43bfc8af | 34 | , kNslice = 3}; |
7ad19338 | 35 | |
6c94f330 | 36 | AliTRDtrack(); |
43bfc8af | 37 | AliTRDtrack(/*const */AliTRDcluster *c, Int_t index, const Double_t xx[5], const Double_t cc[15], Double_t xr, Double_t alpha); |
38 | AliTRDtrack(const AliTRDtrack &t/*, const Bool_t owner = kTRUE*/); | |
fe33d239 | 39 | AliTRDtrack(const AliESDtrack &t); |
6c94f330 | 40 | ~AliTRDtrack(); |
fe33d239 | 41 | AliTRDtrack(const AliKalmanTrack &t, Double_t alpha); |
42 | ||
43 | void ResetClusters() { SetChi2(0.0); | |
44 | SetNumberOfClusters(0); } | |
45 | Int_t Compare(const TObject *o) const; | |
46 | void AddNWrong() { fNWrong++; } | |
47 | void IncCross() { fNCross++; | |
48 | if (fBackupTrack) fBackupTrack->IncCross(); } | |
49 | ||
50 | Int_t GetSector() const; | |
51 | Float_t GetClusterdQdl(Int_t i) const { return fdQdl[i]; } | |
52 | Double_t GetdEdx() const { return fdEdx; } | |
77566f2a | 53 | Int_t GetNdedx() const { return fNdedx; } |
fe33d239 | 54 | Double_t GetPIDsignal() const { return GetdEdx(); } |
55 | Int_t GetClusterIndex(Int_t i) const { return fIndex[i]; } | |
56 | Double_t GetC() const { return AliExternalTrackParam::GetC(GetBz()); } | |
57 | Double_t GetPredictedChi2(const AliTRDcluster *c, Double_t h01) const; | |
58 | Float_t GetPIDsignals(Int_t iPlane, Int_t iSlice) const { return fdEdxPlane[iPlane][iSlice]; } | |
59 | Int_t GetPIDTimBin(Int_t i) const { return fTimBinPlane[i]; } | |
60 | Double_t GetLikelihoodElectron() const { return fLhElectron; } | |
61 | Int_t GetSeedLabel() const { return fSeedLab; } | |
62 | Int_t *GetBackupIndexes() { return fIndexBackup; } | |
63 | Int_t *GetIndexes() { return fIndex; } | |
64 | Int_t GetProlongation(Double_t xk, Double_t &y, Double_t &z); | |
65 | Bool_t GetStop() const { return fStopped; } | |
fe33d239 | 66 | Int_t GetNRotate() const { return fNRotate; } |
27eaf44b | 67 | Int_t GetNWrong() const { return fNWrong; } |
fe33d239 | 68 | Int_t GetNCross() const { return fNCross; } |
27eaf44b | 69 | Int_t GetNExpected() const { return fNExpected; } |
70 | Int_t GetNLast() const { return fNLast; } | |
71 | Int_t GetNExpectedLast() const { return fNExpectedLast; } | |
72 | AliTRDtracklet GetTracklets(Int_t i) const { return fTracklets[i]; } | |
73 | Float_t GetBudget(Int_t i) const { return fBudget[i]; } | |
74 | Float_t GetChi2Last() const { return fChi2Last; } | |
fe33d239 | 75 | AliTRDtrack *GetBackupTrack() { return fBackupTrack; } |
76 | ||
77 | void SetdEdx(Double_t dedx) { fdEdx = dedx; } | |
78 | void SetStop(Bool_t stop) { fStopped = stop; } | |
79 | void SetPIDsignals(Float_t dedx, Int_t iPlane, Int_t iSlice) { fdEdxPlane[iPlane][iSlice] = dedx; } | |
80 | void SetPIDTimBin(Int_t timbin, Int_t i) { fTimBinPlane[i] = timbin; } | |
81 | void SetLikelihoodElectron(Float_t l) { fLhElectron = l; } | |
82 | void SetSampledEdx(Float_t q, Int_t i); | |
83 | void SetSampledEdx(Float_t q); | |
84 | void SetSeedLabel(Int_t lab) { fSeedLab = lab; } | |
27eaf44b | 85 | void SetNWrong(Int_t nwrong) { fNWrong = nwrong; } |
86 | void SetNCross(Int_t ncross) { fNCross = ncross; } | |
87 | void SetNExpected(Int_t nexp) { fNExpected = nexp; } | |
88 | void SetNLast(Int_t nlast) { fNLast = nlast; } | |
89 | void SetNExpectedLast(Int_t nexp) { fNExpectedLast = nexp; } | |
90 | void SetChi2Last(Float_t chi2) { fChi2Last = chi2; } | |
91 | void SetTracklets(Int_t i, AliTRDtracklet t) { fTracklets[i] = t; } | |
43bfc8af | 92 | void SetBudget(Int_t i, Float_t budget) { fBudget[i] = budget; } |
93 | ||
94 | // A. Bercuci new functions | |
95 | void SetTrackSegmentDirMom(const Int_t plane); | |
96 | void CookdEdx(Double_t low = 0.05, Double_t up = 0.7); | |
97 | void CookdEdxTimBin(); | |
98 | Int_t CookPID(AliESDtrack *p); | |
99 | void SetCluster(AliTRDcluster* cl, Int_t index = -1) {fClusters[(index == -1) ? GetNumberOfClusters()-1 : index] = cl;} | |
100 | inline AliTRDcluster* GetCluster(Int_t layer){ return (layer >= 0 && layer < GetNumberOfClusters()) ? fClusters[layer] : 0x0;} | |
101 | inline Float_t GetMomentumPlane(Int_t plane) const {return (plane >= 0 && plane < kNplane) ? fMom[plane] : 0.;} | |
102 | inline Float_t GetSnpPlane(Int_t plane) const {return (plane >= 0 && plane < kNplane) ? fSnp[plane] : 0.;} | |
103 | inline Float_t GetTglPlane(Int_t plane) const {return (plane >= 0 && plane < kNplane) ? fTgl[plane] : 0.;} | |
720a0a16 | 104 | Float_t GetTrackLengthPlane(Int_t plane) const; |
43bfc8af | 105 | //end A.Bercuci |
106 | ||
107 | void MakeBackupTrack(); | |
fe33d239 | 108 | Bool_t PropagateTo(Double_t xr, Double_t x0 = 8.72, Double_t rho = 5.86e-3); |
43bfc8af | 109 | Int_t PropagateToR(Double_t xr, Double_t step); |
110 | Int_t PropagateToX(Double_t xr, Double_t step); | |
fe33d239 | 111 | Bool_t Rotate(Double_t angle, Bool_t absolute = kFALSE); |
fe33d239 | 112 | Float_t StatusForTOF(); |
43bfc8af | 113 | Bool_t Update(const AliTRDcluster *c, Double_t chi2, Int_t i, Double_t h01); |
114 | Int_t UpdateMI(/*const */AliTRDcluster *c, Double_t chi2, Int_t i, Double_t h01, Int_t plane); | |
6c94f330 | 115 | |
fe33d239 | 116 | protected: |
6c94f330 | 117 | |
fe33d239 | 118 | AliTRDtrack &operator=(const AliTRDtrack &t); |
6c94f330 | 119 | |
fe33d239 | 120 | Double_t GetBz() const; |
121 | Bool_t Update(const AliCluster */*c*/, Double_t /*chi2*/, Int_t /*idx*/) { return 0; } | |
122 | Double_t GetPredictedChi2(const AliCluster* /*c*/) const { return 0.0; } | |
6c94f330 | 123 | |
fe33d239 | 124 | Int_t fSeedLab; // Track label taken from seeding |
125 | Float_t fdEdx; // dE/dx (truncated mean) | |
126 | Float_t fDE; // Integrated delta energy | |
127 | Float_t fdEdxPlane[kNplane][kNslice]; // dE/dx from all 6 planes in 3 slices each | |
128 | Int_t fTimBinPlane[kNplane]; // Time bin of Max cluster from all 6 planes | |
6c94f330 | 129 | |
43bfc8af | 130 | // A.Bercuci |
131 | Float_t fMom[kNplane]; // Track momentum at chamber entrance | |
132 | Float_t fSnp[kNplane]; // track direction | |
133 | Float_t fTgl[kNplane]; // track direction | |
134 | AliTRDcluster* fClusters[kMAXCLUSTERSPERTRACK]; | |
135 | Bool_t fClusterOwner; // indicates the track is owner of cluster | |
136 | // end A.Bercuci | |
137 | ||
138 | Bool_t fStopped; // Track stop indication | |
fe33d239 | 139 | Int_t fIndex[kMAXCLUSTERSPERTRACK]; // Global indexes of clusters |
140 | Int_t fIndexBackup[kMAXCLUSTERSPERTRACK]; // Backup indexes of clusters - used in iterations | |
141 | Float_t fdQdl[kMAXCLUSTERSPERTRACK]; // Cluster amplitudes corrected for track angles | |
43bfc8af | 142 | |
143 | Float_t fLhElectron; // Likelihood to be an electron | |
fe33d239 | 144 | Int_t fNWrong; // Number of wrong clusters |
145 | Int_t fNRotate; // Number of rotation | |
146 | Int_t fNCross; // Number of the cross materials | |
147 | Int_t fNExpected; // Expected number of cluster | |
148 | Int_t fNLast; // Number of clusters in last 2 layers | |
149 | Int_t fNExpectedLast; // Number of expected clusters on last 2 layers | |
150 | Int_t fNdedx; // Number of clusters for dEdx measurment | |
151 | Float_t fChi2Last; // Chi2 in the last 2 layers | |
152 | AliTRDtracklet fTracklets[6]; // Tracklets | |
153 | Float_t fBudget[3]; // Integrated material budget | |
154 | AliTRDtrack *fBackupTrack; //! Backup track | |
155 | ||
156 | ClassDef(AliTRDtrack,8) // TRD reconstructed tracks | |
46d29e70 | 157 | |
53c17fbf | 158 | }; |
46d29e70 | 159 | |
46d29e70 | 160 | #endif |