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 //-------------------------------------------------------------------------
21 class AliTracker : public TObject {
24 enum {kTrackInward, kTrackBack, kTrackRefit} Propagation_t; //type of propagation
27 AliTracker(const AliTracker &atr): TObject(atr)
28 {Fatal("Copy ctor","Not Implemented!\n");}
29 // AliTracker & operator=(const AliTracker &)
30 // {Fatal("= op","Not Implemented\n");return *this;}
31 virtual ~AliTracker(){}
32 virtual Int_t Clusters2Tracks(AliESD *event)=0;
33 virtual Int_t PropagateBack(AliESD *event)=0;
34 virtual Int_t RefitInward(AliESD *event)=0;
35 void SetVertex(const Double_t *xyz, const Double_t *ers=0) {
36 fX=xyz[0]; fY=xyz[1]; fZ=xyz[2];
37 if (ers) { fSigmaX=ers[0]; fSigmaY=ers[1]; fSigmaZ=ers[2]; }
41 virtual Int_t LoadClusters(TTree *)=0;
42 virtual void UnloadClusters()=0;
43 virtual AliCluster *GetCluster(Int_t index) const=0;
44 virtual void UseClusters(const AliKalmanTrack *t, Int_t from=0) const;
45 virtual void CookLabel(AliKalmanTrack *t,Float_t wrong) const;
46 Double_t GetX() const {return fX;}
47 Double_t GetY() const {return fY;}
48 Double_t GetZ() const {return fZ;}
49 Double_t GetSigmaX() const {return fSigmaX;}
50 Double_t GetSigmaY() const {return fSigmaY;}
51 Double_t GetSigmaZ() const {return fSigmaZ;}
53 static void SetFieldMap(const AliMagF* map, Bool_t uni);
54 static const AliMagF *GetFieldMap() {return fgkFieldMap;}
58 AliTracker & operator=(const AliTracker & atr);
60 static const AliMagF *fgkFieldMap; //field map
62 Double_t fX; //X-coordinate of the primary vertex
63 Double_t fY; //Y-coordinate of the primary vertex
64 Double_t fZ; //Z-coordinate of the primary vertex
66 Double_t fSigmaX; // error of the primary vertex position in X
67 Double_t fSigmaY; // error of the primary vertex position in Y
68 Double_t fSigmaZ; // error of the primary vertex position in Z
70 ClassDef(AliTracker,2) //abstract tracker