fAlarms is not deleted by AliPHOSQAVirtualChekable
[u/mrichter/AliRoot.git] / TRD / AliTRDtrack.h
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46d29e70 1#ifndef ALITRDTRACK_H
2#define ALITRDTRACK_H
3
4/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
6
0a29d0f1 7/////////////////////////////////////////////////////////////////////////////
8// //
9// TRD track object //
10// //
11/////////////////////////////////////////////////////////////////////////////
12
46d29e70 13#include <TObject.h>
14
15class AliTRDcluster;
16
17class AliTRDtrack : public TObject {
18
19// Represents reconstructed TRD track
20
46d29e70 21public:
22
23 AliTRDtrack() { fN=0;}
a819a5f7 24 AliTRDtrack(const AliTRDcluster *c, UInt_t index, const Double_t xx[5],
46d29e70 25 const Double_t cc[15], Double_t xr, Double_t alpha);
26 AliTRDtrack(const AliTRDtrack& t);
27
a819a5f7 28 Int_t Compare(const TObject *o) const;
29 void CookdEdx(Double_t low=0.05, Double_t up=0.70);
46d29e70 30
31 Double_t GetAlpha() const {return fAlpha;}
32 Double_t GetC() const {return fC;}
33 Int_t GetClusterIndex(Int_t i) const {return fIndex[i];}
a819a5f7 34 Float_t GetClusterdQdl(Int_t i) const {return fdQdl[i];}
46d29e70 35 Double_t GetChi2() const {return fChi2;}
a819a5f7 36 Double_t GetZchi2() const {return fZchi2;}
46d29e70 37 void GetCovariance(Double_t cov[15]) const;
a819a5f7 38 Double_t GetdEdx() const {return fdEdx;}
46d29e70 39 Double_t GetEta() const {return fE;}
40 Int_t GetLabel() const {return fLab;}
41 Int_t GetNclusters() const {return fN;}
42 Double_t GetP() const {
43 return TMath::Abs(GetPt())*sqrt(1.+GetTgl()*GetTgl());
44 }
0a29d0f1 45 Double_t GetPredictedChi2(const AliTRDcluster *c) const ;
a819a5f7 46 Double_t GetPt() const {return 0.299792458*0.4/GetC()/100;}
46d29e70 47 void GetPxPyPz(Double_t &px, Double_t &py, Double_t &pz) const ;
48 Double_t GetSigmaC2() const {return fCcc;}
49 Double_t GetSigmaTgl2() const {return fCtt;}
50 Double_t GetSigmaY2() const {return fCyy;}
51 Double_t GetSigmaZ2() const {return fCzz;}
52 Double_t GetTgl() const {return fT;}
53 Double_t GetX() const {return fX;}
54 Double_t GetY() const {return fY;} // returns running Y
55 Double_t GetZ() const {return fZ;}
a819a5f7 56
a2b90f83 57 Float_t GetLikelihoodElectron() const { return fLhElectron; };
a819a5f7 58
46d29e70 59 Bool_t IsSortable() const {return kTRUE;}
60
61 Int_t PropagateTo(Double_t xr,
62 Double_t x0=8.72,Double_t rho=5.86e-3,Double_t pm=0.139);
46d29e70 63 Int_t Rotate(Double_t angle);
64
65 void SetLabel(Int_t lab=0) {fLab=lab;}
66 void SetdEdx(Float_t dedx) {fdEdx=dedx;}
67
68 void Update(const AliTRDcluster* c, Double_t chi2, UInt_t i);
69
a819a5f7 70 void SetLikelihoodElectron(Float_t l) { fLhElectron = l; };
bbf92647 71
72protected:
73
74 Int_t fLab; // track label
a819a5f7 75 Double_t fChi2; // total chi2 value for R*phi measurements
76 Double_t fZchi2; // total chi2 value for Z measurements
bbf92647 77 Float_t fdEdx; // dE/dx
78
79 Double_t fAlpha; // rotation angle
80 Double_t fX; // running local X-coordinate of the track (time bin)
81
82 Double_t fY; // Y-coordinate of the track
83 Double_t fZ; // Z-coordinate of the track
84 Double_t fC; // track curvature
85 Double_t fE; // C*x0
86 Double_t fT; // tangent of the track dip angle
87
88 Double_t fCyy; // covariance
89 Double_t fCzy, fCzz; // matrix
90 Double_t fCcy, fCcz, fCcc; // of the
91 Double_t fCey, fCez, fCec, fCee; // track
92 Double_t fCty, fCtz, fCtc, fCte, fCtt; // parameters
93
94 Short_t fN; // number of clusters associated with the track
95 UInt_t fIndex[200]; // global indexes of these clusters
a819a5f7 96 Float_t fdQdl[200]; // cluster amplitudes corrected for track angles
97
98 Float_t fLhElectron; // Likelihood to be an electron
bbf92647 99
a819a5f7 100 ClassDef(AliTRDtrack,2) // TRD reconstructed tracks
a2b90f83 101
46d29e70 102};
103
104
46d29e70 105#endif