6 #include "AliL3RootTypes.h"
14 Int_t fMCid; //Assigned id from MC data.
15 Double_t fKappa; // Curvature
16 Double_t fRadius; // Radius of the helix (projected to a circle)
17 Double_t fCenterX; // x coordinate of the center of the helix (projected to a circle)
18 Double_t fCenterY; // y coordinate of the center of the helix (projected to a circle)
19 Bool_t fFromMainVertex; // true if tracks origin is the main vertex, otherwise false
21 Int_t fRowRange[2]; //Subsector where this track was build
22 Int_t fSector; //Sector # where this track was build
24 //data from momentum fit
25 Int_t fQ; //charge measured fit
28 Double_t fPhi0; //azimuthal angle of the first point
29 Double_t fPsi; //azimuthal angle of the momentum
30 Double_t fR0; //radius of the first point
31 Double_t fTanl; //tan of dipangle at (r,phi,z)
32 Double_t fZ0; //z coordinate of the first point
33 Double_t fPt; //transverse momentum
41 Double_t fFirstPoint[3];
42 Double_t fLastPoint[3];
44 Double_t fPointPsi; //azimuthal angle of the momentum at Point
45 Bool_t fIsPoint; //Helix crosses the X-plane
46 Bool_t IsPoint(Bool_t ispoint) {fIsPoint = ispoint;return fIsPoint;}
48 Bool_t fIsLocal; //Track given in local coordinates.
50 UInt_t fHitNumbers[174]; //Array of hit numbers for this track
55 static Float_t bField;
61 virtual ~AliL3Track();
63 virtual void Set(AliL3Track* track);
65 Bool_t CalculateReferencePoint(Double_t angle);//Calculate Reference Point
66 Bool_t CalculateEdgePoint(Double_t angle);//Calculate crossing point with line
67 Bool_t CalculatePoint(Double_t xplane);//Calculate crossing point with X-plane
68 Bool_t IsPoint() {return fIsPoint;}
69 void CalculateHelix();
70 Double_t GetCrossingAngle(Int_t padrow);
71 Bool_t GetCrossingPoint(Int_t padrow,Float_t *xyz);
72 Double_t GetDistance(Double_t x0,Double_t x1){return 0;}
74 void Rotate(Int_t slice);
75 Bool_t IsLocal() {return fIsLocal;}
78 Double_t GetFirstPointX() {return fFirstPoint[0];}
79 Double_t GetFirstPointY() {return fFirstPoint[1];}
80 Double_t GetFirstPointZ() {return fFirstPoint[2];}
81 Double_t GetLastPointX() {return fLastPoint[0];}
82 Double_t GetLastPointY() {return fLastPoint[1];}
83 Double_t GetLastPointZ() {return fLastPoint[2];}
85 Double_t GetPointPsi() {return fPointPsi;}
86 Double_t GetPointX() {return fPoint[0];}
87 Double_t GetPointY() {return fPoint[1];}
88 Double_t GetPointZ() {return fPoint[2];}
90 Double_t GetPt() const {return fPt;}
91 Double_t GetTgl() const {return fTanl;}
92 Double_t GetPhi0() const {return fPhi0;}
93 Double_t GetPsi() const {return fPsi;}
94 Double_t GetR0() const {return fR0;}
95 Double_t GetZ0() const {return fZ0;}
97 Double_t GetKappa() const { return fKappa;}
98 Double_t GetRadius() const { return fRadius;}
99 Double_t GetCenterX() const { return fCenterX;}
100 Double_t GetCenterY() const { return fCenterY;}
102 Int_t GetNHits() {return fNHits;}
103 Int_t GetNumberOfPoints() const {return fNHits;}
104 Bool_t ComesFromMainVertex() const { return fFromMainVertex;}
106 Double_t GetPx() const { return fPt*cos(fPsi);}
107 Double_t GetPy() const { return fPt*sin(fPsi);}
108 Double_t GetPz() const { return fPt*fTanl;}
110 Double_t GetP() const;
111 Double_t GetPseudoRapidity() const;
112 Double_t GetEta() const;
113 Double_t GetRapidity() const;
115 Int_t GetCharge() const { return fQ;}
116 Int_t GetMCid() const {return fMCid;}
117 Double_t GetLength() const {return fLength;}
119 Int_t GetFirstRow() const {return fRowRange[0];}
120 Int_t GetLastRow() const {return fRowRange[1];}
122 UInt_t *GetHitNumbers() {return fHitNumbers;}
125 void SetMCid(Int_t f) {fMCid = f;}
126 void SetFirstPoint(Double_t f,Double_t g,Double_t h) {fFirstPoint[0]=f; fFirstPoint[1]=g; fFirstPoint[2]=h;}
127 void SetLastPoint(Double_t f,Double_t g,Double_t h) {fLastPoint[0]=f; fLastPoint[1]=g; fLastPoint[2]=h;}
129 void SetHits(Int_t nhits,UInt_t *hits) {memcpy(fHitNumbers,hits,nhits*sizeof(UInt_t));}
131 void SetPhi0(Double_t f) {fPhi0 = f;}
132 void SetPsi(Double_t f) {fPsi = f;}
133 void SetR0(Double_t f) {fR0 = f;}
134 void SetTgl(Double_t f) {fTanl =f;}
135 void SetZ0(Double_t f) {fZ0 = f;}
136 void SetPt(Double_t f) {fPt = f;}
137 void SetLength(Double_t f) {fLength = f;}
138 void SetPterr(Double_t f) {fPterr = f;}
139 void SetPsierr(Double_t f) {fPsierr = f;}
140 void SetZ0err(Double_t f) {fZ0err = f;}
141 void SetTglerr(Double_t f) {fTanlerr = f;}
142 void SetKappa(Double_t f) {fKappa = f;}
144 void SetNHits(Int_t f) {fNHits = f;}
146 void SetRowRange(Int_t f,Int_t g) {fRowRange[0]=f; fRowRange[1]=g;}
147 void SetSector(Int_t f) {fSector = f;}
149 void SetRadius(Double_t f) { fRadius = f; }
150 void SetCenterX(Double_t f) { fCenterX = f; }
151 void SetCenterY(Double_t f) { fCenterY = f; }
153 void SetCharge(Int_t f) { fQ = f; }
155 void ComesFromMainVertex(Bool_t f) { fFromMainVertex = f; }
157 ClassDef(AliL3Track,1) //Conformal mapping track class