Set values to zero in constructor. Added print function.
[u/mrichter/AliRoot.git] / HLT / src / AliL3Track.h
CommitLineData
3e87ef69 1// @(#) $Id$
2
108615fc 3#ifndef ALIL3TRACK_H
4#define ALIL3TRACK_H
5
6d4f1901 6class AliL3Vertex;
de3c3890 7class AliL3SpacePointData;
6d4f1901 8
108615fc 9class AliL3Track {
10
11 private:
12
b1ed0288 13 Int_t fNHits; //Number of hits
108615fc 14 Int_t fMCid; //Assigned id from MC data.
eeddc64d 15
16 Double_t fKappa; // Signed curvature (projected to a circle)
17 Double_t fRadius; // Radius of the helix (projected to a circle)
18 Double_t fCenterX; // x coordinate of the center of the helix (projected to a circle)
19 Double_t fCenterY; // y coordinate of the center of the helix (projected to a circle)
108615fc 20 Bool_t fFromMainVertex; // true if tracks origin is the main vertex, otherwise false
21
22 Int_t fRowRange[2]; //Subsector where this track was build
23 Int_t fSector; //Sector # where this track was build
24
25 //data from momentum fit
26 Int_t fQ; //charge measured fit
27
28 //track parameters:
eeddc64d 29 Double_t fTanl; //tan of dipangle
30 Double_t fPsi; //azimuthal angle of the momentum
31 Double_t fPt; //transverse momentum
32 Double_t fLength; //length of track (s)
108615fc 33
61bd40de 34 Double_t fPterr; //error in pt
35 Double_t fPsierr; //error in psi
36 Double_t fZ0err; //error in first point
37 Double_t fTanlerr; //error in tanl
108615fc 38
eeddc64d 39 Double_t fPhi0; //azimuthal angle of the first point
40 Double_t fR0; //radius of the first point
41 Double_t fZ0; //z coordinate of the first point (fFirstPoint[2])
42
b1ed0288 43 Double_t fFirstPoint[3]; //first point
44 Double_t fLastPoint[3]; //last point
45 Double_t fPoint[3]; //point
108615fc 46 Double_t fPointPsi; //azimuthal angle of the momentum at Point
eeddc64d 47
b1ed0288 48 Bool_t fIsPoint; //Helix crosses the X-plane
108615fc 49 Bool_t fIsLocal; //Track given in local coordinates.
50
b1ed0288 51 Float_t fPID; //pid
52 UInt_t fHitNumbers[159]; //Array of hit numbers for this track
53
54 Bool_t IsPoint(Bool_t ispoint) {fIsPoint = ispoint;return fIsPoint;}
108615fc 55
108615fc 56 public:
57
58 AliL3Track();
59 virtual ~AliL3Track();
60
61 virtual void Set(AliL3Track* track);
203925a9 62 virtual Int_t Compare(const AliL3Track *track) const;
6d24ee88 63 virtual void CalculateHelix();
108615fc 64
6d4f1901 65 Bool_t CalculateReferencePoint(Double_t angle,Double_t radius=132);//Calculate Reference Point
108615fc 66 Bool_t CalculateEdgePoint(Double_t angle);//Calculate crossing point with line
eeddc64d 67 Bool_t CalculatePoint(Double_t xplane); //Calculate crossing point with X-plane
108615fc 68 Bool_t IsPoint() {return fIsPoint;}
3e87ef69 69 Double_t GetCrossingAngle(Int_t padrow,Int_t slice=-1);
0391971c 70 Bool_t GetCrossingPoint(Int_t padrow,Float_t *xyz);
0615a438 71 Double_t GetDistance(Double_t /*x0*/,Double_t /*x1*/){return 0;}
3e87ef69 72 void UpdateToFirstPoint();
73
b1ed0288 74 Float_t GetPID() const {return fPID;}
de3c3890 75 void SetPID(Float_t pid) {fPID=pid;}
76
6d4f1901 77 void GetClosestPoint(AliL3Vertex *vertex,Double_t &closest_x,Double_t &closest_y,Double_t &closest_z);
203925a9 78 void Rotate(Int_t slice,Bool_t tolocal=kFALSE);
b1ed0288 79 Bool_t IsLocal() const {return fIsLocal;}
3e87ef69 80
108615fc 81 // getter
b1ed0288 82 Double_t GetFirstPointX() const {return fFirstPoint[0];}
83 Double_t GetFirstPointY() const {return fFirstPoint[1];}
84 Double_t GetFirstPointZ() const {return fFirstPoint[2];}
85 Double_t GetLastPointX() const {return fLastPoint[0];}
86 Double_t GetLastPointY() const {return fLastPoint[1];}
87 Double_t GetLastPointZ() const {return fLastPoint[2];}
88
89 Double_t GetPointPsi() const {return fPointPsi;}
90 Double_t GetPointX() const {return fPoint[0];}
91 Double_t GetPointY() const {return fPoint[1];}
92 Double_t GetPointZ() const {return fPoint[2];}
108615fc 93
94 Double_t GetPt() const {return fPt;}
95 Double_t GetTgl() const {return fTanl;}
108615fc 96 Double_t GetPsi() const {return fPsi;}
eeddc64d 97 Double_t GetPhi0() const {return fPhi0;}
108615fc 98 Double_t GetR0() const {return fR0;}
2d04dcbf 99 Double_t GetZ0() const {return fFirstPoint[2];}
b1ed0288 100 //const Double_t GetZ0() const {return fZ0;}
2d04dcbf 101
eeddc64d 102 Double_t GetKappa() const {return fKappa;}
103 Double_t GetRadius() const {return fRadius;}
104 Double_t GetCenterX() const {return fCenterX;}
105 Double_t GetCenterY() const {return fCenterY;}
108615fc 106
203925a9 107 Int_t GetNHits() const {return fNHits;}
108615fc 108 Int_t GetNumberOfPoints() const {return fNHits;}
eeddc64d 109 Bool_t ComesFromMainVertex() const {return fFromMainVertex;}
108615fc 110
eeddc64d 111 Double_t GetPx() const {return fPt*cos(fPsi);}
112 Double_t GetPy() const {return fPt*sin(fPsi);}
113 Double_t GetPz() const {return fPt*fTanl;}
108615fc 114
eeddc64d 115 Double_t GetP() const;
116 Double_t GetPseudoRapidity() const;
203925a9 117 //Double_t GetEta() const;
108615fc 118 Double_t GetRapidity() const;
119
eeddc64d 120 Int_t GetCharge() const {return fQ;}
108615fc 121 Int_t GetMCid() const {return fMCid;}
eeddc64d 122 Double_t GetLength() const {return fLength;}
108615fc 123
eeddc64d 124 Int_t GetFirstRow() const {return fRowRange[0];}
108615fc 125 Int_t GetLastRow() const {return fRowRange[1];}
de3c3890 126 Int_t GetSector() const {return fSector;}
108615fc 127
128 UInt_t *GetHitNumbers() {return fHitNumbers;}
129
61bd40de 130 void Print() const;
108615fc 131 // setter
203925a9 132
108615fc 133 void SetMCid(Int_t f) {fMCid = f;}
134 void SetFirstPoint(Double_t f,Double_t g,Double_t h) {fFirstPoint[0]=f; fFirstPoint[1]=g; fFirstPoint[2]=h;}
135 void SetLastPoint(Double_t f,Double_t g,Double_t h) {fLastPoint[0]=f; fLastPoint[1]=g; fLastPoint[2]=h;}
136
137 void SetHits(Int_t nhits,UInt_t *hits) {memcpy(fHitNumbers,hits,nhits*sizeof(UInt_t));}
138
139 void SetPhi0(Double_t f) {fPhi0 = f;}
140 void SetPsi(Double_t f) {fPsi = f;}
141 void SetR0(Double_t f) {fR0 = f;}
142 void SetTgl(Double_t f) {fTanl =f;}
2d04dcbf 143 //void SetZ0(Double_t f) {fZ0 = f;}
144 void SetZ0(Double_t f) {fFirstPoint[2] = f;}
108615fc 145 void SetPt(Double_t f) {fPt = f;}
146 void SetLength(Double_t f) {fLength = f;}
147 void SetPterr(Double_t f) {fPterr = f;}
148 void SetPsierr(Double_t f) {fPsierr = f;}
149 void SetZ0err(Double_t f) {fZ0err = f;}
150 void SetTglerr(Double_t f) {fTanlerr = f;}
151 void SetKappa(Double_t f) {fKappa = f;}
152
153 void SetNHits(Int_t f) {fNHits = f;}
154
eeddc64d 155 void SetRowRange(Int_t f,Int_t g) {fRowRange[0]=f; fRowRange[1]=g;}
156 void SetSector(Int_t f) {fSector = f;}
108615fc 157
eeddc64d 158 void SetRadius(Double_t f) {fRadius = f;}
159 void SetCenterX(Double_t f) {fCenterX = f;}
160 void SetCenterY(Double_t f) {fCenterY = f;}
108615fc 161
eeddc64d 162 void SetCharge(Int_t f) {fQ = f;}
108615fc 163
eeddc64d 164 void ComesFromMainVertex(Bool_t f) {fFromMainVertex = f;}
108615fc 165
2d04dcbf 166 ClassDef(AliL3Track,1) //Base track class
108615fc 167};
168
169#endif