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1 | #ifndef ALITRACKER_H | |
2 | #define ALITRACKER_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | //------------------------------------------------------------------------- | |
9 | // class AliTracker | |
10 | // that is the base for AliTPCtracker, AliITStrackerV2 and AliTRDtracker | |
11 | // Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch | |
12 | //------------------------------------------------------------------------- | |
13 | #include <TObject.h> | |
14 | ||
15 | class AliMagF; | |
16 | class AliCluster; | |
17 | class TTree; | |
18 | class AliKalmanTrack; | |
19 | class AliESD; | |
20 | class AliTrackPoint; | |
21 | ||
22 | class AliTracker : public TObject { | |
23 | public: | |
24 | AliTracker(); | |
25 | virtual ~AliTracker(){} | |
26 | virtual Int_t Clusters2Tracks(AliESD *event)=0; | |
27 | virtual Int_t PropagateBack(AliESD *event)=0; | |
28 | virtual Int_t RefitInward(AliESD *event)=0; | |
29 | void SetVertex(const Double_t *xyz, const Double_t *ers=0) { | |
30 | fX=xyz[0]; fY=xyz[1]; fZ=xyz[2]; | |
31 | if (ers) { fSigmaX=ers[0]; fSigmaY=ers[1]; fSigmaZ=ers[2]; } | |
32 | } | |
33 | ||
34 | //protected: | |
35 | virtual Int_t LoadClusters(TTree *)=0; | |
36 | virtual void UnloadClusters()=0; | |
37 | virtual AliCluster *GetCluster(Int_t index) const=0; | |
38 | virtual Bool_t GetTrackPoint(Int_t /* index */ , AliTrackPoint& /* p */) const { return kFALSE;} | |
39 | virtual void UseClusters(const AliKalmanTrack *t, Int_t from=0) const; | |
40 | virtual void CookLabel(AliKalmanTrack *t,Float_t wrong) const; | |
41 | Double_t GetX() const {return fX;} | |
42 | Double_t GetY() const {return fY;} | |
43 | Double_t GetZ() const {return fZ;} | |
44 | Double_t GetSigmaX() const {return fSigmaX;} | |
45 | Double_t GetSigmaY() const {return fSigmaY;} | |
46 | Double_t GetSigmaZ() const {return fSigmaZ;} | |
47 | ||
48 | static void SetFieldMap(const AliMagF* map, Bool_t uni); | |
49 | static const AliMagF *GetFieldMap() {return fgkFieldMap;} | |
50 | static Double_t GetBz(Float_t *r); | |
51 | static Double_t GetBz(Double_t *r) { | |
52 | Float_t rr[]={r[0],r[1],r[2]}; | |
53 | return GetBz(rr); | |
54 | } | |
55 | static Double_t GetBz() {return fgBz;} | |
56 | static Bool_t UniformField() {return fgUniformField;} | |
57 | ||
58 | protected: | |
59 | AliTracker(const AliTracker &atr); | |
60 | private: | |
61 | AliTracker & operator=(const AliTracker & atr); | |
62 | ||
63 | static Bool_t fgUniformField; // uniform field flag | |
64 | static const AliMagF *fgkFieldMap; // field map | |
65 | static Double_t fgBz; // Nominal Bz (kG) | |
66 | ||
67 | Double_t fX; //X-coordinate of the primary vertex | |
68 | Double_t fY; //Y-coordinate of the primary vertex | |
69 | Double_t fZ; //Z-coordinate of the primary vertex | |
70 | ||
71 | Double_t fSigmaX; // error of the primary vertex position in X | |
72 | Double_t fSigmaY; // error of the primary vertex position in Y | |
73 | Double_t fSigmaZ; // error of the primary vertex position in Z | |
74 | ||
75 | ClassDef(AliTracker,3) //abstract tracker | |
76 | }; | |
77 | ||
78 | #endif | |
79 | ||
80 |