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Bug fixed (Christian)
[u/mrichter/AliRoot.git] / TRD / AliTRDtrack.h
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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
19class AliESDtrack;
20class AliTrackReference;
15ed8ba1 21
22const unsigned kMAXCLUSTERSPERTRACK = 210;
23
7ad19338 24class AliTRDtrack : public AliKalmanTrack {
27eaf44b 25
26 public:
53c17fbf 27
6d45eaef 28 enum { kNdet = 540
15ed8ba1 29 , kNstacks = 90
30 , kNplane = 6
31 , kNcham = 5
32 , kNsect = 18
33 , kNslice = 3
34 , kNtimeBins = 22 };
7ad19338 35
6c94f330 36 AliTRDtrack();
fe33d239 37 AliTRDtrack(const AliTRDcluster *c, Int_t index, const Double_t xx[5]
38 ,const Double_t cc[15], Double_t xr, Double_t alpha);
39 AliTRDtrack(const AliTRDtrack &t);
40 AliTRDtrack(const AliESDtrack &t);
6c94f330 41 ~AliTRDtrack();
fe33d239 42 AliTRDtrack(const AliKalmanTrack &t, Double_t alpha);
43
44 void ResetClusters() { SetChi2(0.0);
45 SetNumberOfClusters(0); }
46 Int_t Compare(const TObject *o) const;
47 void AddNWrong() { fNWrong++; }
48 void IncCross() { fNCross++;
49 if (fBackupTrack) fBackupTrack->IncCross(); }
50
51 Int_t GetSector() const;
52 Float_t GetClusterdQdl(Int_t i) const { return fdQdl[i]; }
53 Double_t GetdEdx() const { return fdEdx; }
77566f2a 54 Int_t GetNdedx() const { return fNdedx; }
fe33d239 55 Double_t GetPIDsignal() const { return GetdEdx(); }
56 Int_t GetClusterIndex(Int_t i) const { return fIndex[i]; }
57 Double_t GetC() const { return AliExternalTrackParam::GetC(GetBz()); }
58 Double_t GetPredictedChi2(const AliTRDcluster *c, Double_t h01) const;
59 Float_t GetPIDsignals(Int_t iPlane, Int_t iSlice) const { return fdEdxPlane[iPlane][iSlice]; }
60 Int_t GetPIDTimBin(Int_t i) const { return fTimBinPlane[i]; }
61 Double_t GetLikelihoodElectron() const { return fLhElectron; }
62 Int_t GetSeedLabel() const { return fSeedLab; }
63 Int_t *GetBackupIndexes() { return fIndexBackup; }
64 Int_t *GetIndexes() { return fIndex; }
65 Int_t GetProlongation(Double_t xk, Double_t &y, Double_t &z);
66 Bool_t GetStop() const { return fStopped; }
fe33d239 67 Int_t GetNRotate() const { return fNRotate; }
27eaf44b 68 Int_t GetNWrong() const { return fNWrong; }
fe33d239 69 Int_t GetNCross() const { return fNCross; }
27eaf44b 70 Int_t GetNExpected() const { return fNExpected; }
71 Int_t GetNLast() const { return fNLast; }
72 Int_t GetNExpectedLast() const { return fNExpectedLast; }
73 AliTRDtracklet GetTracklets(Int_t i) const { return fTracklets[i]; }
74 Float_t GetBudget(Int_t i) const { return fBudget[i]; }
75 Float_t GetChi2Last() const { return fChi2Last; }
fe33d239 76 AliTRDtrack *GetBackupTrack() { return fBackupTrack; }
77
78 void SetdEdx(Double_t dedx) { fdEdx = dedx; }
79 void SetStop(Bool_t stop) { fStopped = stop; }
80 void SetPIDsignals(Float_t dedx, Int_t iPlane, Int_t iSlice) { fdEdxPlane[iPlane][iSlice] = dedx; }
81 void SetPIDTimBin(Int_t timbin, Int_t i) { fTimBinPlane[i] = timbin; }
82 void SetLikelihoodElectron(Float_t l) { fLhElectron = l; }
83 void SetSampledEdx(Float_t q, Int_t i);
84 void SetSampledEdx(Float_t q);
85 void SetSeedLabel(Int_t lab) { fSeedLab = lab; }
27eaf44b 86 void SetNWrong(Int_t nwrong) { fNWrong = nwrong; }
87 void SetNCross(Int_t ncross) { fNCross = ncross; }
88 void SetNExpected(Int_t nexp) { fNExpected = nexp; }
89 void SetNLast(Int_t nlast) { fNLast = nlast; }
90 void SetNExpectedLast(Int_t nexp) { fNExpectedLast = nexp; }
91 void SetChi2Last(Float_t chi2) { fChi2Last = chi2; }
92 void SetTracklets(Int_t i, AliTRDtracklet t) { fTracklets[i] = t; }
93 void SetBudget(Int_t i, Float_t budget) { fBudget[i] = budget; }
fe33d239 94
95 Int_t PropagateToX(Double_t xr, Double_t step);
96 Int_t PropagateToR(Double_t xr, Double_t step);
97 Int_t UpdateMI(const AliTRDcluster *c, Double_t chi2, Int_t i, Double_t h01, Int_t plane);
98 void MakeBackupTrack();
99 Bool_t PropagateTo(Double_t xr, Double_t x0 = 8.72, Double_t rho = 5.86e-3);
100 Bool_t Update(const AliTRDcluster *c, Double_t chi2, Int_t i, Double_t h01);
101 Bool_t Rotate(Double_t angle, Bool_t absolute = kFALSE);
102 void CookdEdx(Double_t low = 0.05, Double_t up = 0.7);
103 Float_t StatusForTOF();
6c94f330 104
fe33d239 105 protected:
6c94f330 106
fe33d239 107 AliTRDtrack &operator=(const AliTRDtrack &t);
6c94f330 108
fe33d239 109 Double_t GetBz() const;
110 Bool_t Update(const AliCluster */*c*/, Double_t /*chi2*/, Int_t /*idx*/) { return 0; }
111 Double_t GetPredictedChi2(const AliCluster* /*c*/) const { return 0.0; }
6c94f330 112
fe33d239 113 Int_t fSeedLab; // Track label taken from seeding
114 Float_t fdEdx; // dE/dx (truncated mean)
115 Float_t fDE; // Integrated delta energy
116 Float_t fdEdxPlane[kNplane][kNslice]; // dE/dx from all 6 planes in 3 slices each
117 Int_t fTimBinPlane[kNplane]; // Time bin of Max cluster from all 6 planes
6c94f330 118
fe33d239 119 Bool_t fStopped; // Track stop indication
120 Int_t fIndex[kMAXCLUSTERSPERTRACK]; // Global indexes of clusters
121 Int_t fIndexBackup[kMAXCLUSTERSPERTRACK]; // Backup indexes of clusters - used in iterations
122 Float_t fdQdl[kMAXCLUSTERSPERTRACK]; // Cluster amplitudes corrected for track angles
b8dc2353 123
fe33d239 124 Float_t fLhElectron; // Likelihood to be an electron
125 Int_t fNWrong; // Number of wrong clusters
126 Int_t fNRotate; // Number of rotation
127 Int_t fNCross; // Number of the cross materials
128 Int_t fNExpected; // Expected number of cluster
129 Int_t fNLast; // Number of clusters in last 2 layers
130 Int_t fNExpectedLast; // Number of expected clusters on last 2 layers
131 Int_t fNdedx; // Number of clusters for dEdx measurment
132 Float_t fChi2Last; // Chi2 in the last 2 layers
133 AliTRDtracklet fTracklets[6]; // Tracklets
134 Float_t fBudget[3]; // Integrated material budget
135 AliTRDtrack *fBackupTrack; //! Backup track
136
137 ClassDef(AliTRDtrack,8) // TRD reconstructed tracks
46d29e70 138
53c17fbf 139};
46d29e70 140
46d29e70 141#endif