]>
Commit | Line | Data |
---|---|---|
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> |
7167ae53 | 14 | #include <AliPlaneEff.h> |
57acd2d2 | 15 | #include "AliRecoParam.h" |
16 | ||
be9c5115 | 17 | |
e23a38cb | 18 | class TTree; |
7b5ef2e6 | 19 | class AliMagF; |
be9c5115 | 20 | class AliCluster; |
7d0f8548 | 21 | class AliKalmanTrack; |
af885e0f | 22 | class AliESDEvent; |
48ce48d1 | 23 | class AliESDtrack; |
0c4ea33b | 24 | class AliExternalTrackParam; |
98937d93 | 25 | class AliTrackPoint; |
be9c5115 | 26 | |
1d5fc4ea | 27 | class AliTracker : public TObject { |
be9c5115 | 28 | public: |
3b242889 | 29 | AliTracker(); |
be9c5115 | 30 | virtual ~AliTracker(){} |
af885e0f | 31 | virtual Int_t Clusters2Tracks(AliESDEvent *event)=0; |
32 | virtual Int_t PropagateBack(AliESDEvent *event)=0; | |
33 | virtual Int_t RefitInward(AliESDEvent *event)=0; | |
c4aa7a4c | 34 | virtual Int_t PostProcess(AliESDEvent */*event*/) {return 0;} |
1d5fc4ea | 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]; } | |
38 | } | |
be9c5115 | 39 | |
40 | //protected: | |
c630aafd | 41 | virtual Int_t LoadClusters(TTree *)=0; |
e24ea474 | 42 | virtual void UnloadClusters()=0; |
2f4c86d7 | 43 | virtual void FillClusterArray(TObjArray* array) const; |
be9c5115 | 44 | virtual AliCluster *GetCluster(Int_t index) const=0; |
7167ae53 | 45 | virtual AliPlaneEff *GetPlaneEff() {return NULL;} |
1a191ea2 | 46 | virtual Bool_t GetTrackPoint(Int_t /* index */ , AliTrackPoint& /* p */) const { return kFALSE;} |
48ce48d1 | 47 | virtual Bool_t GetTrackPointTrackingError(Int_t /* index */, |
48 | AliTrackPoint& /* p */, const AliESDtrack* /* t */) { return kFALSE;} | |
be9c5115 | 49 | virtual void UseClusters(const AliKalmanTrack *t, Int_t from=0) const; |
50 | virtual void CookLabel(AliKalmanTrack *t,Float_t wrong) const; | |
7f6ddf58 | 51 | Double_t GetX() const {return fX;} |
52 | Double_t GetY() const {return fY;} | |
53 | Double_t GetZ() const {return fZ;} | |
1d5fc4ea | 54 | Double_t GetSigmaX() const {return fSigmaX;} |
55 | Double_t GetSigmaY() const {return fSigmaY;} | |
56 | Double_t GetSigmaZ() const {return fSigmaZ;} | |
7f6ddf58 | 57 | |
6e440ee5 | 58 | static |
6b3a4c8e | 59 | Double_t MeanMaterialBudget(const Double_t *start, const Double_t *end, Double_t *mparam); |
0c4ea33b | 60 | static |
61 | Bool_t PropagateTrackTo(AliExternalTrackParam *track, Double_t x, Double_t m, | |
62 | Double_t maxStep, Bool_t rotateTo=kTRUE, Double_t maxSnp=0.8); | |
6e440ee5 | 63 | |
c84a5e9e | 64 | static void SetFieldMap(const AliMagF* map, Bool_t uni); |
3b242889 | 65 | static const AliMagF *GetFieldMap() {return fgkFieldMap;} |
cb5b8b21 | 66 | static Double_t GetBz(const Float_t *r); |
67 | static Double_t GetBz(const Double_t *r) { | |
6c94f330 | 68 | Float_t rr[]={r[0],r[1],r[2]}; |
69 | return GetBz(rr); | |
70 | } | |
7d0f8548 | 71 | static Double_t GetBz() {return fgBz;} |
72 | static Bool_t UniformField() {return fgUniformField;} | |
9c9d2487 | 73 | |
e23a38cb | 74 | static void FillResiduals(const AliExternalTrackParam *t, |
75 | Double_t *p, Double_t *cov, | |
76 | UShort_t id, Bool_t updated=kTRUE); | |
9efabefd | 77 | static void FillResiduals(const AliExternalTrackParam *t, |
78 | const AliCluster *c, Bool_t updated=kTRUE); | |
57acd2d2 | 79 | static void SetFillResiduals(AliRecoParam::EventSpecie_t es, Bool_t flag=kTRUE) { fFillResiduals=flag; fEventSpecie = es ;} |
80 | static void SetResidualsArray(TObjArray **arr) { fResiduals=arr; } | |
e23a38cb | 81 | |
6c94f330 | 82 | protected: |
83 | AliTracker(const AliTracker &atr); | |
7f6ddf58 | 84 | private: |
90e48c0c | 85 | AliTracker & operator=(const AliTracker & atr); |
86 | ||
7d0f8548 | 87 | static Bool_t fgUniformField; // uniform field flag |
e23a38cb | 88 | static const AliMagF *fgkFieldMap; //! field map |
7d0f8548 | 89 | static Double_t fgBz; // Nominal Bz (kG) |
9c9d2487 | 90 | |
e23a38cb | 91 | static Bool_t fFillResiduals; // Fill residuals flag |
57acd2d2 | 92 | static TObjArray **fResiduals; //! Array of histograms with residuals |
e23a38cb | 93 | |
61ab8ea8 | 94 | Double_t fX; //X-coordinate of the primary vertex |
95 | Double_t fY; //Y-coordinate of the primary vertex | |
96 | Double_t fZ; //Z-coordinate of the primary vertex | |
6c94f330 | 97 | |
1d5fc4ea | 98 | Double_t fSigmaX; // error of the primary vertex position in X |
99 | Double_t fSigmaY; // error of the primary vertex position in Y | |
100 | Double_t fSigmaZ; // error of the primary vertex position in Z | |
57acd2d2 | 101 | |
102 | static AliRecoParam::EventSpecie_t fEventSpecie ; //! event specie, see AliRecoParam | |
103 | ||
e23a38cb | 104 | ClassDef(AliTracker,4) //abstract tracker |
be9c5115 | 105 | }; |
106 | ||
107 | #endif | |
108 | ||
109 |