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 //-------------------------------------------------------------------------
15 #include "AliKalmanTrack.h"
24 class AliTracker : public TObject {
27 enum {kTrackInward, kTrackBack, kTrackRefit} Propagation_t; //type of propagation
30 AliTracker(const AliTracker &atr): TObject(atr)
31 {Fatal("Copy ctor","Not Implemented!\n");}
32 // AliTracker & operator=(const AliTracker &)
33 // {Fatal("= op","Not Implemented\n");return *this;}
34 virtual ~AliTracker(){}
35 virtual Int_t Clusters2Tracks(AliESD *event)=0;
36 virtual Int_t PropagateBack(AliESD *event)=0;
37 virtual Int_t RefitInward(AliESD *event)=0;
38 void SetVertex(const Double_t *xyz, const Double_t *ers=0) {
39 fX=xyz[0]; fY=xyz[1]; fZ=xyz[2];
40 if (ers) { fSigmaX=ers[0]; fSigmaY=ers[1]; fSigmaZ=ers[2]; }
44 virtual Int_t LoadClusters(TTree *)=0;
45 virtual void UnloadClusters()=0;
46 virtual AliCluster *GetCluster(Int_t index) const=0;
47 // virtual UShort_t GetVolumeID(Int_t index) {return 0;}
48 virtual Bool_t GetTrackPoint(Int_t /* index */ , AliTrackPoint& /* p */) const { return kFALSE;}
49 virtual void UseClusters(const AliKalmanTrack *t, Int_t from=0) const;
50 virtual void CookLabel(AliKalmanTrack *t,Float_t wrong) const;
51 Double_t GetX() const {return fX;}
52 Double_t GetY() const {return fY;}
53 Double_t GetZ() const {return fZ;}
54 Double_t GetSigmaX() const {return fSigmaX;}
55 Double_t GetSigmaY() const {return fSigmaY;}
56 Double_t GetSigmaZ() const {return fSigmaZ;}
58 static void SetFieldMap(const AliMagF* map, Bool_t uni);
59 static const AliMagF *GetFieldMap() {return fgkFieldMap;}
63 AliTracker & operator=(const AliTracker & atr);
65 static const AliMagF *fgkFieldMap; //field map
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
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
75 ClassDef(AliTracker,2) //abstract tracker
78 inline void AliTracker::SetFieldMap(const AliMagF* map, Bool_t uni) {
79 //--------------------------------------------------------------------
80 //This passes the field map to the reconstruction.
81 //--------------------------------------------------------------------
82 if (map==0) AliFatalClass("Can't access the field map !");
83 AliKalmanTrack::SetFieldMap(map);
84 if (uni) AliKalmanTrack::SetUniformFieldTracking();