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be9c5115 | 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 | ||
fb17acd4 | 6 | /* $Id$ */ |
7 | ||
be9c5115 | 8 | //------------------------------------------------------------------------- |
9 | // class AliTracker | |
41377c29 | 10 | // that is the base for AliTPCtracker, AliITStrackerV2 and AliTRDtracker |
be9c5115 | 11 | // Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch |
12 | //------------------------------------------------------------------------- | |
1d5fc4ea | 13 | #include <TObject.h> |
be9c5115 | 14 | |
7b5ef2e6 | 15 | class AliMagF; |
be9c5115 | 16 | class AliCluster; |
c630aafd | 17 | class TTree; |
7d0f8548 | 18 | class AliKalmanTrack; |
c630aafd | 19 | class AliESD; |
98937d93 | 20 | class AliTrackPoint; |
be9c5115 | 21 | |
1d5fc4ea | 22 | class AliTracker : public TObject { |
be9c5115 | 23 | public: |
3b242889 | 24 | AliTracker(); |
be9c5115 | 25 | virtual ~AliTracker(){} |
c630aafd | 26 | virtual Int_t Clusters2Tracks(AliESD *event)=0; |
27 | virtual Int_t PropagateBack(AliESD *event)=0; | |
28 | virtual Int_t RefitInward(AliESD *event)=0; | |
1d5fc4ea | 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 | } | |
be9c5115 | 33 | |
34 | //protected: | |
c630aafd | 35 | virtual Int_t LoadClusters(TTree *)=0; |
e24ea474 | 36 | virtual void UnloadClusters()=0; |
be9c5115 | 37 | virtual AliCluster *GetCluster(Int_t index) const=0; |
1a191ea2 | 38 | virtual Bool_t GetTrackPoint(Int_t /* index */ , AliTrackPoint& /* p */) const { return kFALSE;} |
be9c5115 | 39 | virtual void UseClusters(const AliKalmanTrack *t, Int_t from=0) const; |
40 | virtual void CookLabel(AliKalmanTrack *t,Float_t wrong) const; | |
7f6ddf58 | 41 | Double_t GetX() const {return fX;} |
42 | Double_t GetY() const {return fY;} | |
43 | Double_t GetZ() const {return fZ;} | |
1d5fc4ea | 44 | Double_t GetSigmaX() const {return fSigmaX;} |
45 | Double_t GetSigmaY() const {return fSigmaY;} | |
46 | Double_t GetSigmaZ() const {return fSigmaZ;} | |
7f6ddf58 | 47 | |
c84a5e9e | 48 | static void SetFieldMap(const AliMagF* map, Bool_t uni); |
3b242889 | 49 | static const AliMagF *GetFieldMap() {return fgkFieldMap;} |
7b5ef2e6 | 50 | static Double_t GetBz(Float_t *r); |
6c94f330 | 51 | static Double_t GetBz(Double_t *r) { |
52 | Float_t rr[]={r[0],r[1],r[2]}; | |
53 | return GetBz(rr); | |
54 | } | |
7d0f8548 | 55 | static Double_t GetBz() {return fgBz;} |
56 | static Bool_t UniformField() {return fgUniformField;} | |
9c9d2487 | 57 | |
6c94f330 | 58 | protected: |
59 | AliTracker(const AliTracker &atr); | |
7f6ddf58 | 60 | private: |
90e48c0c | 61 | AliTracker & operator=(const AliTracker & atr); |
62 | ||
7d0f8548 | 63 | static Bool_t fgUniformField; // uniform field flag |
64 | static const AliMagF *fgkFieldMap; // field map | |
65 | static Double_t fgBz; // Nominal Bz (kG) | |
9c9d2487 | 66 | |
61ab8ea8 | 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 | |
6c94f330 | 70 | |
1d5fc4ea | 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 | ||
7d0f8548 | 75 | ClassDef(AliTracker,3) //abstract tracker |
be9c5115 | 76 | }; |
77 | ||
78 | #endif | |
79 | ||
80 |