Automatic treatment of the magnetic field value
[u/mrichter/AliRoot.git] / ITS / AliITSTrackV1.h
CommitLineData
aecdf013 1#ifndef ALIITSTRACKV1_H
2#define ALIITSTRACKV1_H
3// ITS Track Class
4//Origin A. Badala' and G.S. Pappalardo: e-mail Angela.Badala@ct.infn.it, Giuseppe.S.Pappalardo@ct.infn.it
5// It contain all the usefull information for the track and the method to calculate, modify or extract them
6#include <TObject.h>
7#include <TMatrix.h>
8#include <TVector.h>
9
10#include "../TPC/AliTPCtrack.h"
11
12class TObjArray;
13class AliITSRad;
14
15class AliITSTrackV1 : public TObject {
16
17public:
18
19 AliITSTrackV1(); // default constructor
20 AliITSTrackV1(AliTPCtrack &obj); // copy constructor
21 AliITSTrackV1(const AliITSTrackV1 &cobj); // copy constructor
22 AliITSTrackV1 &operator=(AliITSTrackV1 obj); // operator =
23 ~AliITSTrackV1(); // default destructor
24 Int_t GetNumClust() const { return fNumClustInTrack;} // gets the num of cluster in a track
25 void AddClustInTrack() { fNumClustInTrack++;} // adds a cluster in track
26 TObjArray *GetListOfCluster() const { return flistCluster;} // gets the list of cluster in the track
27 void SetChi2(Double_t chi2) { fChi2 = chi2;} // sets the chisquare value for the track
28 Double_t GetChi2() const { return fChi2;} // gets the chisquare value for the track
29 Double_t GetZ() const {return fX1;} // gets the Z value for the track
30 Double_t GetTgl() const {return fX3;} // gets the tgl value for the track
31 Double_t Getrtrack() const{return frtrack;} // gets the raius value for the current track
32 Double_t Getphi() const{return fX0;} // gets the phi value for the track
33 Double_t GetC() const {return fX4;} // gets the curvature value for the track
34 Double_t GetD() const{return fX2;} // gets the radial impact parameter for the track
35 Double_t GetPt() const {return 0.299792458*0.2/(fX4*100.);} // gets the transvers momentum value for the
36 //track
37 void SetVertex(TVector &vert) { for(Int_t i=0;i<3;i++) fVertex(i) = vert(i);} // sets the vertex
38 // cohordinates
39 void SetErrorVertex(TVector &evert) {for(Int_t i=0;i<3;i++) fErrorVertex(i) = evert(i);} // sets the errors
40 //for vertex cohordinates
41
42 void LmTPC(); // trasform state vector and covariance matrix from local TPC to master
43 TVector GetVertex() const { return fVertex;}
44 TVector GetErrorVertex() const { return fErrorVertex;}
45 Long_t GetLabel() const { return flabel;}
46 void SetLabel(Long_t label) { flabel = label;}
47 Int_t GetLayer() const { return fLayer;}
48
49
50 void PutCElements(Double_t C00, Double_t C10, Double_t C11, Double_t C20, Double_t C21,
51 Double_t C22, Double_t C30, Double_t C31, Double_t C32, Double_t C33, Double_t C40,
52 Double_t C41, Double_t C42, Double_t C43, Double_t C44); // put elements of covariance matrix
53
54 void GetCElements(Double_t &C00, Double_t &C10, Double_t &C11, Double_t &C20, Double_t &C21,
55 Double_t &C22, Double_t &C30, Double_t &C31, Double_t &C32, Double_t &C33, Double_t &C40,
56 Double_t &C41, Double_t &C42, Double_t &C43, Double_t &C44) const; // get elements of covariance matrix
57
58 void GetXElements(Double_t &X0, Double_t &X1, Double_t &X2, Double_t &X3, Double_t &X4) const; // get elements
59 // of state vector
60 void PutXElements(Double_t X0, Double_t X1, Double_t X2, Double_t X3, Double_t X4); // put elements
61 // of state vector
62
63 void SetLayer(Int_t layer) { fLayer = layer;} // set current layer
64 AliTPCtrack *GetTPCtrack() const { return fTPCtrack;} // get hte TPC track
65
66 void PutCluster(Int_t layerc, TVector vecclust); // put information for clusters
67 TVector GetLabTrack(Int_t lay); // get the label of the track
68 void Search(TVector VecTotLabref, Long_t &labref, Int_t &freq); // determine the label and the frequency of
69 // it for the current track
70 Float_t GetZclusterTrack(Int_t lay) {return ((Float_t) (*fClusterInTrack)(lay,2));} // get the Z
71 //cohordinate of the cluster gelonging to the track for a given layer
72 void GetClusters(); // prints the clusters belonging to the current track
73 Int_t GetLabTPC() const {return (*fTPCtrack).GetLabel();} // get the TPC label for the current track
74 Int_t GetIdPoint(Int_t lay) {return ((Int_t) (*fClusterInTrack)(lay,4));} // get the label identifiing the
75 //point of the track
76 Int_t GetIdModule(Int_t lay) {return ((Int_t) (*fClusterInTrack)(lay,5));} // get the label identifiing the
77 // module of the track
78 Float_t GetIdParticle(Int_t lay) {return (*fClusterInTrack)(lay,3);} // get the label to identify
79 // the particle
80 Int_t DoNotCross(Double_t rk) const; // determine if the track cross a layer
81 Double_t ArgA(Double_t rk) const; // quantity usefull in propagation
82 Double_t Arga(Double_t rk) const; // quantity usefull in propagation
83 Double_t ArgB(Double_t rk) const; // quantity usefull in propagation
84 Double_t ArgC(Double_t rk) const; // quantity usefull in propagation
85 void Propagation(Double_t rk) ; // propagation of the track to a layer of radius rk
86
87 Double_t GetSigmaphi() const{return fC00;} // gets the phi variance
88 Double_t GetSigmaZ() const{return fC11;} // gets the Z variance
89 void AddEL(AliITSRad *rl,Double_t signdE, Bool_t flagtot, Double_t mass=0.1396); // adds the energy loss
90 void AddMS(AliITSRad *rl); // modify the covariance matrix to take into account the multiple scattering
91 void Correct(Double_t rk); // correct the track to take into account the real detector geometry
92 void SetDv(Double_t x) {fDv=x;} // sets the radial impact parameter for vertex constraint
93 void SetZv(Double_t x) {fZv=x;} // sets longitudinal impact parameter for vertex constraint
94 Double_t GetDv() const {return fDv;} // gets the radial impact parameter for vertex constraint
95 Double_t GetZv() const {return fZv;} // gets longitudinal impact parameter for vertex constraint
96 void SetsigmaDv( Double_t x) {fsigmaDv=x;} // sets sigma for Dv extraction
97 void SetsigmaZv( Double_t x) {fsigmaZv=x;} // sets sigma for Zv extraction
98 Double_t GetsigmaDv() const {return fsigmaDv;} // gets sigma for Dv extraction
99 Double_t GetsigmaZv() const {return fsigmaZv;} // gets sigma for Zv extraction
100 void PrimaryTrack(AliITSRad *rl); // calculation of part of covariance matrix for vertex constraint
101 void Setd2(TVector &x) {for(Int_t i=0; i<6; i++){fd2(i)=x(i);}} // sets the vector fd2
102 void Settgl2(TVector &x) {for(Int_t i=0; i<6; i++){ftgl2(i)=x(i);}} // sets the vector ftgl2
103 void Setdtgl(TVector &x) {for(Int_t i=0; i<6; i++){fdtgl(i)=x(i);}} // sets the vector fdtgl
104 TVector Getd2() const { return fd2;} // gets the vector fd2
105 TVector Gettgl2() const { return ftgl2;} // gets the vector ftgl2
106 TVector Getdtgl() const { return fdtgl;} // gets the vectoe dtgl
107 Double_t Getd2(Int_t i){return (Double_t)fd2(i);} // gets the i element of the vector fd2
108 Double_t Gettgl2(Int_t i){return (Double_t)ftgl2(i);} // gets the i element of the vector tgl2
109 Double_t Getdtgl(Int_t i){return (Double_t)fdtgl(i);} // gets the i element of the vector fdtgl
110 Double_t GetxoTPC() const {return fxoTPC;} // gets fxoTPC
111
112
113////////////////////////////////////////////////////////////////////////////////////////
114
115 private:
116
117 AliTPCtrack *fTPCtrack; // reference to TPC track
118
119 Double_t fX0,fX1,fX2,fX3,fX4; // state vector: |phi/z/D/tgl/C
120 Double_t frtrack; // radius of courrent layer
121
122 Double_t fC00, fC10, fC11, // Covariance Matrix
123 fC20, fC21, fC22, // " "
124 fC30, fC31, fC32, // " "
125 fC33, fC40, fC41, // " "
126 fC42, fC43, fC44; // " "
127
128 Double_t fChi2; // fChi^2 of track
129 TObjArray *flistCluster; // list of clusters of the track
130 Int_t fNumClustInTrack; // total number of clusters
131 Long_t flabel; // label of the track
132 TVector fVertex; // vertex coordinates of the track
133 TVector fErrorVertex; // error on the vertex coordinates
134 Int_t fLayer; // current Layer of the track
135 TMatrix *fClusterInTrack; // matrix of clusters belonging to the track
136 // row index = layer-1;
137 // cols index = master coordinates of the clusters
a3894645 138
139 Double_t fFieldFactor; // magnetic field factor
140
141 Double_t fDv; // radial impact parameter for vertex constraint
142 Double_t fZv; // longitudinal impact parameter for vertex constraint
143 Double_t fsigmaDv; // sigma for Dv extraction
144 Double_t fsigmaZv; // sigma for Zv extraction
145 TVector fd2; // C(2,2) for primary track
146 TVector ftgl2; // C(3,3) for primary track
147 TVector fdtgl; // C(2,3) for primary track
148
149 Double_t fxoTPC; // cohordinate xo of the helix center, got from the TPC track
aecdf013 150
151 // Int_t freq; //provvisorio
152
153
154 ClassDef(AliITSTrackV1, 1)
155
156};
157
158#endif
159