3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 //-------------------------------------------------------------------------
10 // that is the base for AliTPCtracker, AliITStrackerV2 and AliTRDtracker
11 // Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
12 //-------------------------------------------------------------------------
22 class AliTracker : public TObject {
25 enum {kTrackInward, kTrackBack, kTrackRefit} Propagation_t;
28 virtual ~AliTracker(){}
29 virtual Int_t Clusters2Tracks(AliESD *event)=0;
30 virtual Int_t PropagateBack(AliESD *event)=0;
31 virtual Int_t RefitInward(AliESD *event)=0;
32 void SetVertex(const Double_t *xyz, const Double_t *ers=0) {
33 fX=xyz[0]; fY=xyz[1]; fZ=xyz[2];
34 if (ers) { fSigmaX=ers[0]; fSigmaY=ers[1]; fSigmaZ=ers[2]; }
36 void SetEventNumber(Int_t ev) { fEventN=ev; }
39 virtual Int_t LoadClusters(TTree *)=0;
40 virtual void UnloadClusters()=0;
41 virtual AliCluster *GetCluster(Int_t index) const=0;
42 virtual void UseClusters(const AliKalmanTrack *t, Int_t from=0) const;
43 virtual void CookLabel(AliKalmanTrack *t,Float_t wrong) const;
44 Double_t GetX() const {return fX;}
45 Double_t GetY() const {return fY;}
46 Double_t GetZ() const {return fZ;}
47 Double_t GetSigmaX() const {return fSigmaX;}
48 Double_t GetSigmaY() const {return fSigmaY;}
49 Double_t GetSigmaZ() const {return fSigmaZ;}
50 Int_t GetEventNumber() const {return fEventN;}
52 static void SetFieldMap(const AliMagF* map);
53 static const AliMagF *GetFieldMap() {return fgkFieldMap;}
55 Int_t IsStoringBarrel() const {return fStoreBarrel;}
56 void SetStoreBarrel(Int_t s) {fStoreBarrel = s;}
59 static const AliMagF *fgkFieldMap; //field map
60 Int_t fEventN;//event number
64 Double_t fX; //X-coordinate of the primary vertex
65 Double_t fY; //Y-coordinate of the primary vertex
66 Double_t fZ; //Z-coordinate of the primary vertex
68 Double_t fSigmaX; // error of the primary vertex position in X
69 Double_t fSigmaY; // error of the primary vertex position in Y
70 Double_t fSigmaZ; // error of the primary vertex position in Z
72 ClassDef(AliTracker,1) //abstract tracker