Adding track references at decay points (M.Ivanov)
[u/mrichter/AliRoot.git] / STEER / AliBarrelTrack.cxx
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9c9d2487 1
2////////////////////////////////////////////////////////////////////////////////
3//
4// AliBarrelTrack is a snapshot of the TPC or TRD track.
5// The barrel track is stored by tracker every time a track is crossing
6// reference plane.
7//
8// Barrel track have
9// - state vactor in "external represenantion"
10// - diagonal elements of covariance matric
11// - auxiliary paramrters:
12// chi2, number of clusters, number of sector srossed
13// - methods to compare with track references
14//
15// Barrel track can be directly compared with AliTrackReferences,
16// TPC and TRD tracks can be compared using the same macro.
17//
18// S. Radomski, [GSI] mail: S.Radomski@gsi.de
19// 07.04.2003
20//
21////////////////////////////////////////////////////////////////////////////////
22
23#include "AliBarrelTrack.h"
24
25ClassImp(AliBarrelTrack)
26
27////////////////////////////////////////////////////////////////////////////////
28
29AliBarrelTrack:: AliBarrelTrack() : TObject() {
30 //
31 // Standard constructor
32 // reset all data-members
33 //
34
35 fLabel = fRefPlane = fIsIn = 0;
36 fX = fAlpha = 0.0;
37 fZ = fY = fTgLambda = fSnPhi = f1Pt = 0.0;
38
39 for(Int_t i=0; i<5; i++) fTimeHypothesis[i] = 0;
40
41 fLength = 0.0;
42 fNClusters = fNWrong = fNRotate = 0;
43 fChi2 = 0.0;
44 fMass = fdEdX = 0;
45
46 fCy = fCz = fCtg = fCpt = fCphi = 0.0;
47}
48
49////////////////////////////////////////////////////////////////////////////////
50
51void AliBarrelTrack::SetLabel(Int_t label) {
52 //
53 // Sets the label
54 //
55
56 fLabel = label;
57}
58
59////////////////////////////////////////////////////////////////////////////////
60
61void AliBarrelTrack::SetX(Double_t x, Double_t alpha) {
62 //
63
64 fX = x;
65 fAlpha = alpha;
66}
67
68////////////////////////////////////////////////////////////////////////////////
69
70void AliBarrelTrack::SetRefPlane(Int_t nRefPlane, Int_t isIn) {
71
72 fRefPlane = nRefPlane;
73 fIsIn = isIn;
74}
75
76////////////////////////////////////////////////////////////////////////////////
77
78void AliBarrelTrack::SetNClusters(Int_t nClusters, Double_t chi2) {
79
80 fNClusters = nClusters;
81 fChi2 = chi2;
82}
83
84////////////////////////////////////////////////////////////////////////////////
85
9c75d176 86void AliBarrelTrack::SetTime(Double_t time[5], Double_t length) {
9c9d2487 87
88 for(Int_t i=0; i<5; i++)
89 fTimeHypothesis[i] = time[i];
90
91 fLength = length;
92}
93
94////////////////////////////////////////////////////////////////////////////////
95
96void AliBarrelTrack::SetStateVector(Double_t vec[5]) {
97 //
98 // Set State Vector from external representation
99 //
100
101
102 fY = vec[0];
103 fZ = vec[1];
104 fTgLambda = vec[3];
105 fSnPhi = vec[2];
106 f1Pt = vec[4];
107}
108
109////////////////////////////////////////////////////////////////////////////////
110
111void AliBarrelTrack::SetCovarianceMatrix(Double_t vec[15]) {
112 //
113 // Set Covariance Matrix from external represenatation
114 //
115
116 fCy = vec[0];
117 fCz = vec[2];
118 fCtg = vec[9];
119 fCphi = vec[5];
120 fCpt = vec[14];
121}
122
123////////////////////////////////////////////////////////////////////////////////