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[u/mrichter/AliRoot.git] / ITS / AliITStrackMI.h
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15dd636f 1#ifndef ALIITSTRACKMI_H
2#define ALIITSTRACKMI_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6//-------------------------------------------------------------------------
7// ITS Track Class
8//
9// Origin: Marian Ivanov, CERN, Marian.Ivanov@cern.ch
10// dEdx analysis by: Boris Batyunya, JINR, Boris.Batiounia@cern.ch
11//-------------------------------------------------------------------------
12
ae00569a 13/* $Id$ */
15dd636f 14
15/*****************************************************************************
16 * December 18, 2000 *
17 * Internal view of the ITS track parametrisation as well as the order of *
18 * track parameters are subject for possible changes ! *
19 * Use GetExternalParameters() and GetExternalCovariance() to access ITS *
20 * track information regardless of its internal representation. *
21 * This formation is now fixed in the following way: *
22 * external param0: local Y-coordinate of a track (cm) *
23 * external param1: local Z-coordinate of a track (cm) *
24 * external param2: local sine of the track momentum azimuthal angle *
25 * external param3: tangent of the track momentum dip angle *
26 * external param4: 1/pt (1/(GeV/c)) *
27 *****************************************************************************/
28
29#include <AliKalmanTrack.h>
30
44347160 31#include "AliITSRecoParam.h"
15dd636f 32#include "AliITStrackV2.h"
33
34class AliESDtrack;
35
36//_____________________________________________________________________________
37class AliITStrackMI : public AliITStrackV2 {
15dd636f 38public:
39 AliITStrackMI();
40 AliITStrackMI(AliESDtrack& t,Bool_t c=kFALSE) throw (const Char_t *);
41 AliITStrackMI(const AliITStrackMI& t);
42 Int_t GetProlongationFast(Double_t alpha, Double_t xr,Double_t &y, Double_t &z);
150f264c 43 Bool_t UpdateMI(const AliCluster *c, Double_t chi2, Int_t i);
15dd636f 44 Int_t CorrectForMaterial(Double_t d, Double_t x0=21.82);
45
15dd636f 46 void SetReconstructed(Bool_t sr=kTRUE){fReconstructed = sr;}
47 Bool_t GetReconstructed() const {return fReconstructed;}
48 void SetChi2MIP(Int_t i,Float_t val){fChi2MIP[i]=val;}
49 Float_t GetChi2MIP(Int_t i) const {return fChi2MIP[i];}
50 void IncrementNSkipped(){fNSkipped++;} // increment by 1 the # of skipped cls
51 Float_t GetNSkipped() const {return fNSkipped;}
b9671574 52 void SetNSkipped(Float_t n) {fNSkipped=n;}
15dd636f 53 void IncrementNUsed(){fNUsed++;} // increment by 1 the # of shared clusters
54 Float_t GetNUsed() const {return fNUsed;}
b9671574 55 void SetNUsed(Float_t n) {fNUsed=n;}
15dd636f 56
57 Int_t Compare(const TObject *o) const;
6c94f330 58 Double_t GetCov33() const {return GetCovariance()[9];} // cov. matrix el. 3,3
59 //Double_t GetCov44() const {return GetCovariance()[15];}// cov. matrix el. 4,4
15dd636f 60 Float_t GetDy(Int_t i) const {return fDy[i];}
61 Float_t GetDz(Int_t i) const {return fDz[i];}
b9671574 62 Float_t GetD(Int_t i) const {return fD[i];}
63 Double_t GetD(Double_t x, Double_t y) const
64 {return AliITStrackV2::GetD(x,y);}
65 Float_t *GetDP() {return fD;}
66 void SetD(Int_t i, Float_t d) {fD[i]=d;}
67 Float_t GetDnorm(Int_t i) const {return fDnorm[i];}
68 Float_t *GetDnormP() {return fDnorm;}
69 void SetDnorm(Int_t i, Float_t d) {fDnorm[i]=d;}
15dd636f 70 Float_t GetSigmaY(Int_t i) const {return fSigmaY[i];}
71 Float_t GetSigmaZ(Int_t i) const {return fSigmaZ[i];}
b9671574 72 void SetSigmaY(Int_t i, Float_t s) {fSigmaY[i]=s;}
73 void SetSigmaZ(Int_t i, Float_t s) {fSigmaZ[i]=s;}
74 Float_t GetNDeadZone() const {return fNDeadZone;}
75 void SetNDeadZone(Float_t d) {fNDeadZone=d;}
76 Int_t* ClIndex() {return fClIndex;}
77 Int_t GetClIndex(Int_t i) const {return fClIndex[i];}
78 void SetClIndex(Int_t i, Int_t c) {fClIndex[i]=c;}
79 Float_t GetNormChi2(Int_t i) const {return fNormChi2[i];}
80 void SetNormChi2(Int_t i, Float_t n) {fNormChi2[i]=n;}
81 Bool_t GetConstrain() const {return fConstrain;}
82 void SetConstrain(Bool_t c) {fConstrain=c;}
83 Float_t GetExpQ() const {return fExpQ;}
84 void SetExpQ(Float_t f) {fExpQ=f;}
85 Float_t GetNormQ(Int_t i) const {return fNormQ[i];}
86 void SetNormQ(Int_t i, Float_t q) {fNormQ[i]=q;}
87 Float_t GetdEdxMismatch() const {return fdEdxMismatch;}
88 void SetdEdxMismatch(Float_t m) {fdEdxMismatch=m;}
89 Float_t GetNy(Int_t i) const {return fNy[i];}
90 void SetNy(Int_t i, Float_t f) {fNy[i]=f;}
91 Float_t GetNz(Int_t i) const {return fNz[i];}
92 void SetNz(Int_t i, Float_t f) {fNz[i]=f;}
93 Bool_t GetGoldV0() const {return fGoldV0;}
94 void SetGoldV0(Bool_t g) {fGoldV0=g;}
95 Float_t GetChi22() const {return fChi22;}
96 void SetChi22(Float_t c) {fChi22=c;}
97 Float_t GetDeadZoneProbability() const {return fDeadZoneProbability;}
98 void SetDeadZoneProbability(Float_t d) {fDeadZoneProbability=d;}
15dd636f 99
100 Double_t GetPredictedChi2MI(Double_t cy, Double_t cz, Double_t cerry, Double_t cerrz) const;
628e7bb0 101 Bool_t IsGoldPrimary();
15dd636f 102protected:
103
104 Float_t fNUsed; // number of shared clusters
105 Float_t fNSkipped; // number of skipped clusters
106 Float_t fNDeadZone; // number of clusters in dead zone
107 Float_t fDeadZoneProbability; // probability to cross dead zone
628e7bb0 108 Bool_t fReconstructed; // reconstructed - accepted flag
15dd636f 109 Float_t fChi2MIP[12]; // MIP chi squres
110
111 Float_t fDy[12]; //dy in layer
112 Float_t fDz[12]; //dz in layer
113 Float_t fSigmaY[12]; //sigma y
114 Float_t fSigmaZ[12]; //sigma z
115 Float_t fNy[6]; //expected size of cluster
116 Float_t fNz[6]; //expected size of cluster
117 Float_t fD[2]; //distance to the vertex
628e7bb0 118 Float_t fDnorm[2]; // normalized distance to the vertex
15dd636f 119 Float_t fNormQ[6]; // normalized Q
120 Float_t fExpQ; // expected Q
121 Float_t fNormChi2[6]; // normalized chi2
122 Float_t fChi22; // chi22
123 Float_t fdEdxMismatch;
124 Bool_t fConstrain; //indication of the vertex constrain
125 Int_t fClIndex[6]; //cluster Index
628e7bb0 126 Bool_t fGoldV0; //corresponding gold V0 found
15dd636f 127 ClassDef(AliITStrackMI,1) //ITS reconstructed track
128};
129
130#endif
131
132