8 #include "AliL3RootTypes.h"
11 class AliL3SpacePointData;
19 Int_t fMCid; //Assigned id from MC data.
21 Double_t fKappa; // Signed curvature (projected to a circle)
22 Double_t fRadius; // Radius of the helix (projected to a circle)
23 Double_t fCenterX; // x coordinate of the center of the helix (projected to a circle)
24 Double_t fCenterY; // y coordinate of the center of the helix (projected to a circle)
25 Bool_t fFromMainVertex; // true if tracks origin is the main vertex, otherwise false
27 Int_t fRowRange[2]; //Subsector where this track was build
28 Int_t fSector; //Sector # where this track was build
30 //data from momentum fit
31 Int_t fQ; //charge measured fit
34 Double_t fTanl; //tan of dipangle
35 Double_t fPsi; //azimuthal angle of the momentum
36 Double_t fPt; //transverse momentum
37 Double_t fLength; //length of track (s)
44 Double_t fPhi0; //azimuthal angle of the first point
45 Double_t fR0; //radius of the first point
46 Double_t fZ0; //z coordinate of the first point (fFirstPoint[2])
48 Double_t fFirstPoint[3];
49 Double_t fLastPoint[3];
51 Double_t fPointPsi; //azimuthal angle of the momentum at Point
54 Bool_t fIsPoint; //Helix crosses the X-plane
55 Bool_t IsPoint(Bool_t ispoint) {fIsPoint = ispoint;return fIsPoint;}
57 Bool_t fIsLocal; //Track given in local coordinates.
59 UInt_t fHitNumbers[159]; //Array of hit numbers for this track
65 virtual ~AliL3Track();
67 virtual void Set(AliL3Track* track);
68 virtual Int_t Compare(const AliL3Track *track) const;
69 virtual void CalculateHelix();
71 Bool_t CalculateReferencePoint(Double_t angle,Double_t radius=132);//Calculate Reference Point
72 Bool_t CalculateEdgePoint(Double_t angle);//Calculate crossing point with line
73 Bool_t CalculatePoint(Double_t xplane); //Calculate crossing point with X-plane
74 Bool_t IsPoint() {return fIsPoint;}
75 Double_t GetCrossingAngle(Int_t padrow,Int_t slice=-1);
76 Bool_t GetCrossingPoint(Int_t padrow,Float_t *xyz);
77 Double_t GetDistance(Double_t x0,Double_t x1){return 0;}
78 void UpdateToFirstPoint();
80 Float_t GetPID() {return fPID;}
81 void SetPID(Float_t pid) {fPID=pid;}
83 void GetClosestPoint(AliL3Vertex *vertex,Double_t &closest_x,Double_t &closest_y,Double_t &closest_z);
84 void Rotate(Int_t slice,Bool_t tolocal=kFALSE);
85 Bool_t IsLocal() {return fIsLocal;}
88 Double_t GetFirstPointX() {return fFirstPoint[0];}
89 Double_t GetFirstPointY() {return fFirstPoint[1];}
90 Double_t GetFirstPointZ() {return fFirstPoint[2];}
91 Double_t GetLastPointX() {return fLastPoint[0];}
92 Double_t GetLastPointY() {return fLastPoint[1];}
93 Double_t GetLastPointZ() {return fLastPoint[2];}
95 Double_t GetPointPsi() {return fPointPsi;}
96 Double_t GetPointX() {return fPoint[0];}
97 Double_t GetPointY() {return fPoint[1];}
98 Double_t GetPointZ() {return fPoint[2];}
100 Double_t GetPt() const {return fPt;}
101 Double_t GetTgl() const {return fTanl;}
102 Double_t GetPsi() const {return fPsi;}
103 Double_t GetPhi0() const {return fPhi0;}
104 Double_t GetR0() const {return fR0;}
105 Double_t GetZ0() const {return fFirstPoint[2];}
106 //Double_t GetZ0() const {return fZ0;}
108 Double_t GetKappa() const {return fKappa;}
109 Double_t GetRadius() const {return fRadius;}
110 Double_t GetCenterX() const {return fCenterX;}
111 Double_t GetCenterY() const {return fCenterY;}
113 Int_t GetNHits() const {return fNHits;}
114 Int_t GetNumberOfPoints() const {return fNHits;}
115 Bool_t ComesFromMainVertex() const {return fFromMainVertex;}
117 Double_t GetPx() const {return fPt*cos(fPsi);}
118 Double_t GetPy() const {return fPt*sin(fPsi);}
119 Double_t GetPz() const {return fPt*fTanl;}
121 Double_t GetP() const;
122 Double_t GetPseudoRapidity() const;
123 //Double_t GetEta() const;
124 Double_t GetRapidity() const;
126 Int_t GetCharge() const {return fQ;}
127 Int_t GetMCid() const {return fMCid;}
128 Double_t GetLength() const {return fLength;}
130 Int_t GetFirstRow() const {return fRowRange[0];}
131 Int_t GetLastRow() const {return fRowRange[1];}
132 Int_t GetSector() const {return fSector;}
134 UInt_t *GetHitNumbers() {return fHitNumbers;}
138 void SetMCid(Int_t f) {fMCid = f;}
139 void SetFirstPoint(Double_t f,Double_t g,Double_t h) {fFirstPoint[0]=f; fFirstPoint[1]=g; fFirstPoint[2]=h;}
140 void SetLastPoint(Double_t f,Double_t g,Double_t h) {fLastPoint[0]=f; fLastPoint[1]=g; fLastPoint[2]=h;}
142 void SetHits(Int_t nhits,UInt_t *hits) {memcpy(fHitNumbers,hits,nhits*sizeof(UInt_t));}
144 void SetPhi0(Double_t f) {fPhi0 = f;}
145 void SetPsi(Double_t f) {fPsi = f;}
146 void SetR0(Double_t f) {fR0 = f;}
147 void SetTgl(Double_t f) {fTanl =f;}
148 //void SetZ0(Double_t f) {fZ0 = f;}
149 void SetZ0(Double_t f) {fFirstPoint[2] = f;}
150 void SetPt(Double_t f) {fPt = f;}
151 void SetLength(Double_t f) {fLength = f;}
152 void SetPterr(Double_t f) {fPterr = f;}
153 void SetPsierr(Double_t f) {fPsierr = f;}
154 void SetZ0err(Double_t f) {fZ0err = f;}
155 void SetTglerr(Double_t f) {fTanlerr = f;}
156 void SetKappa(Double_t f) {fKappa = f;}
158 void SetNHits(Int_t f) {fNHits = f;}
160 void SetRowRange(Int_t f,Int_t g) {fRowRange[0]=f; fRowRange[1]=g;}
161 void SetSector(Int_t f) {fSector = f;}
163 void SetRadius(Double_t f) {fRadius = f;}
164 void SetCenterX(Double_t f) {fCenterX = f;}
165 void SetCenterY(Double_t f) {fCenterY = f;}
167 void SetCharge(Int_t f) {fQ = f;}
169 void ComesFromMainVertex(Bool_t f) {fFromMainVertex = f;}
171 ClassDef(AliL3Track,1) //Base track class