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a6c02c85 | 1 | // @(#) $Id$ |
2 | ||
3 | #ifndef ALIHLTTPCTRACK_H | |
4 | #define ALIHLTTPCTRACK_H | |
5 | ||
6 | class AliHLTTPCVertex; | |
7 | class AliHLTTPCSpacePointData; | |
8 | ||
9 | class AliHLTTPCTrack { | |
10 | ||
11 | public: | |
12 | ||
13 | AliHLTTPCTrack(); | |
14 | virtual ~AliHLTTPCTrack(); | |
15 | ||
16 | virtual void Set(AliHLTTPCTrack* track); | |
17 | virtual Int_t Compare(const AliHLTTPCTrack *track) const; | |
18 | virtual void CalculateHelix(); | |
19 | ||
20 | Bool_t CalculateReferencePoint(Double_t angle,Double_t radius=132);//Calculate Reference Point | |
21 | Bool_t CalculateEdgePoint(Double_t angle);//Calculate crossing point with line | |
22 | Bool_t CalculatePoint(Double_t xplane); //Calculate crossing point with X-plane | |
23 | Bool_t IsPoint() {return fIsPoint;} | |
24 | Double_t GetCrossingAngle(Int_t padrow,Int_t slice=-1); | |
25 | Bool_t GetCrossingPoint(Int_t padrow,Float_t *xyz); | |
26 | Double_t GetDistance(Double_t /*x0*/,Double_t /*x1*/){return 0;} | |
27 | void UpdateToFirstPoint(); | |
28 | void GetClosestPoint(AliHLTTPCVertex *vertex,Double_t &closest_x,Double_t &closest_y,Double_t &closest_z); | |
29 | void Rotate(Int_t slice,Bool_t tolocal=kFALSE); | |
30 | Bool_t IsLocal() const {return fIsLocal;} | |
31 | void Print() const; | |
32 | ||
33 | // getter | |
34 | Double_t GetFirstPointX() const {return fFirstPoint[0];} | |
35 | Double_t GetFirstPointY() const {return fFirstPoint[1];} | |
36 | Double_t GetFirstPointZ() const {return fFirstPoint[2];} | |
37 | Double_t GetLastPointX() const {return fLastPoint[0];} | |
38 | Double_t GetLastPointY() const {return fLastPoint[1];} | |
39 | Double_t GetLastPointZ() const {return fLastPoint[2];} | |
40 | ||
41 | Double_t GetPointPsi() const {return fPointPsi;} | |
42 | Double_t GetPointX() const {return fPoint[0];} | |
43 | Double_t GetPointY() const {return fPoint[1];} | |
44 | Double_t GetPointZ() const {return fPoint[2];} | |
45 | ||
46 | Double_t GetPt() const {return fPt;} | |
47 | Double_t GetTgl() const {return fTanl;} | |
48 | Double_t GetPsi() const {return fPsi;} | |
49 | Double_t GetPhi0() const {return fPhi0;} | |
50 | Double_t GetR0() const {return fR0;} | |
51 | Double_t GetZ0() const {return fFirstPoint[2];} | |
52 | Float_t GetPID() const {return fPID;} | |
53 | ||
54 | Double_t GetPterr() const {return fPterr;} | |
55 | Double_t GetPsierr() const {return fPsierr;} | |
56 | Double_t GetTglerr() const {return fTanlerr;} | |
57 | ||
58 | Double_t GetKappa() const {return fKappa;} | |
59 | Double_t GetRadius() const {return fRadius;} | |
60 | Double_t GetCenterX() const {return fCenterX;} | |
61 | Double_t GetCenterY() const {return fCenterY;} | |
62 | ||
63 | Int_t GetNHits() const {return fNHits;} | |
64 | Int_t GetNumberOfPoints() const {return fNHits;} | |
65 | Bool_t ComesFromMainVertex() const {return fFromMainVertex;} | |
66 | ||
67 | Double_t GetPx() const {return fPt*cos(fPsi);} | |
68 | Double_t GetPy() const {return fPt*sin(fPsi);} | |
69 | Double_t GetPz() const {return fPt*fTanl;} | |
70 | ||
71 | Double_t GetP() const; | |
72 | Double_t GetPseudoRapidity() const; | |
73 | Double_t GetRapidity() const; | |
74 | ||
75 | Int_t GetCharge() const {return fQ;} | |
76 | Int_t GetMCid() const {return fMCid;} | |
77 | Double_t GetLength() const {return fLength;} | |
78 | ||
79 | Int_t GetFirstRow() const {return fRowRange[0];} | |
80 | Int_t GetLastRow() const {return fRowRange[1];} | |
81 | Int_t GetSector() const {return fSector;} | |
82 | ||
83 | UInt_t *GetHitNumbers() {return fHitNumbers;} | |
84 | ||
85 | // setter | |
86 | void SetPID(Float_t pid) {fPID=pid;} | |
87 | void SetMCid(Int_t f) {fMCid = f;} | |
88 | void SetFirstPoint(Double_t f,Double_t g,Double_t h) {fFirstPoint[0]=f; fFirstPoint[1]=g; fFirstPoint[2]=h;} | |
89 | void SetLastPoint(Double_t f,Double_t g,Double_t h) {fLastPoint[0]=f; fLastPoint[1]=g; fLastPoint[2]=h;} | |
90 | void SetHits(Int_t nhits,UInt_t *hits) {memcpy(fHitNumbers,hits,nhits*sizeof(UInt_t));} | |
91 | void SetPhi0(Double_t f) {fPhi0 = f;} | |
92 | void SetPsi(Double_t f) {fPsi = f;} | |
93 | void SetR0(Double_t f) {fR0 = f;} | |
94 | void SetTgl(Double_t f) {fTanl =f;} | |
95 | void SetZ0(Double_t f) {fFirstPoint[2] = f;} | |
96 | void SetPt(Double_t f) {fPt = f;} | |
97 | void SetLength(Double_t f) {fLength = f;} | |
98 | void SetPterr(Double_t f) {fPterr = f;} | |
99 | void SetPsierr(Double_t f) {fPsierr = f;} | |
100 | void SetZ0err(Double_t f) {fZ0err = f;} | |
101 | void SetTglerr(Double_t f) {fTanlerr = f;} | |
102 | void SetKappa(Double_t f) {fKappa = f;} | |
103 | void SetNHits(Int_t f) {fNHits = f;} | |
104 | void SetRowRange(Int_t f,Int_t g) {fRowRange[0]=f; fRowRange[1]=g;} | |
105 | void SetSector(Int_t f) {fSector = f;} | |
106 | void SetRadius(Double_t f) {fRadius = f;} | |
107 | void SetCenterX(Double_t f) {fCenterX = f;} | |
108 | void SetCenterY(Double_t f) {fCenterY = f;} | |
109 | void SetCharge(Int_t f) {fQ = f;} | |
110 | void ComesFromMainVertex(Bool_t f) {fFromMainVertex = f;} | |
111 | ||
112 | private: | |
113 | ||
114 | Int_t fNHits; //Number of hits | |
115 | Int_t fMCid; //Assigned id from MC data. | |
116 | ||
117 | Double_t fKappa; // Signed curvature (projected to a circle) | |
118 | Double_t fRadius; // Radius of the helix (projected to a circle) | |
119 | Double_t fCenterX; // x coordinate of the center of the helix (projected to a circle) | |
120 | Double_t fCenterY; // y coordinate of the center of the helix (projected to a circle) | |
121 | Bool_t fFromMainVertex; // true if tracks origin is the main vertex, otherwise false | |
122 | ||
123 | Int_t fRowRange[2]; //Subsector where this track was build | |
124 | Int_t fSector; //Sector # where this track was build | |
125 | ||
126 | //data from momentum fit | |
127 | Int_t fQ; //charge measured fit | |
128 | ||
129 | //track parameters: | |
130 | Double_t fTanl; //tan of dipangle | |
131 | Double_t fPsi; //azimuthal angle of the momentum | |
132 | Double_t fPt; //transverse momentum | |
133 | Double_t fLength; //length of track (s) | |
134 | ||
135 | Double_t fPterr; //error in pt | |
136 | Double_t fPsierr; //error in psi | |
137 | Double_t fZ0err; //error in first point | |
138 | Double_t fTanlerr; //error in tanl | |
139 | ||
140 | Double_t fPhi0; //azimuthal angle of the first point | |
141 | Double_t fR0; //radius of the first point | |
142 | Double_t fZ0; //z coordinate of the first point (fFirstPoint[2]) | |
143 | ||
144 | Double_t fFirstPoint[3]; //first point | |
145 | Double_t fLastPoint[3]; //last point | |
146 | Double_t fPoint[3]; //point | |
147 | Double_t fPointPsi; //azimuthal angle of the momentum at Point | |
148 | ||
149 | Bool_t fIsPoint; //Helix crosses the X-plane | |
150 | Bool_t fIsLocal; //Track given in local coordinates. | |
151 | ||
152 | Float_t fPID; //pid | |
153 | UInt_t fHitNumbers[159]; //Array of hit numbers for this track | |
154 | ||
155 | Bool_t IsPoint(Bool_t ispoint) {fIsPoint = ispoint;return fIsPoint;} | |
156 | ||
157 | ClassDef(AliHLTTPCTrack,1) //Base track class | |
158 | }; | |
159 | #endif |