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46d29e70 | 1 | #ifndef ALITRDTRACKER_H |
2 | #define ALITRDTRACKER_H | |
3 | ||
4 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
5 | * See cxx source for full Copyright notice */ | |
6 | ||
0a29d0f1 | 7 | //////////////////////////////////////////////////////////////////////////////// |
8 | // // | |
9 | // The TRD tracker // | |
10 | // // | |
11 | //////////////////////////////////////////////////////////////////////////////// | |
12 | ||
46d29e70 | 13 | #include <TNamed.h> |
a819a5f7 | 14 | #include <TH1.h> |
46d29e70 | 15 | |
16 | class TFile; | |
bbf92647 | 17 | class TParticle; |
18 | class TParticlePDG; | |
46d29e70 | 19 | class TObjArray; |
20 | ||
21 | class AliTRDgeometry; | |
46d29e70 | 22 | class AliTRDtrack; |
bbf92647 | 23 | class AliTRDmcTrack; |
a819a5f7 | 24 | class AliTRDtrackingSector; |
46d29e70 | 25 | |
26 | class AliTRDtracker : public TNamed { | |
27 | ||
28 | public: | |
29 | ||
30 | AliTRDtracker(); | |
31 | AliTRDtracker(const Text_t* name, const Text_t* title); | |
0a29d0f1 | 32 | virtual ~AliTRDtracker(); |
46d29e70 | 33 | |
a819a5f7 | 34 | virtual void Clusters2Tracks(TH1F *hs, TH1F *hd); |
0a29d0f1 | 35 | Double_t ExpectedSigmaY2(Double_t r, Double_t tgl, Double_t pt) const; |
36 | Double_t ExpectedSigmaZ2(Double_t r, Double_t tgl) const; | |
bbf92647 | 37 | Int_t FindProlongation(AliTRDtrack& t, AliTRDtrackingSector *sec, |
a819a5f7 | 38 | Int_t s, Int_t rf=0, Int_t matched_index = -1, |
39 | TH1F *hs=0, TH1F *hd=0); | |
bbf92647 | 40 | void GetEvent(const Char_t *hitfile, const Char_t *clusterfile); |
41 | void SetUpSectors(AliTRDtrackingSector *sec); | |
a819a5f7 | 42 | virtual void MakeSeeds(Int_t inner, Int_t outer, AliTRDtrackingSector *sec, |
43 | Int_t turn, TH1F *hs, TH1F *hd); | |
44 | virtual void FindTracks(AliTRDtrackingSector *sec, TH1F *hs, TH1F *hd); | |
bbf92647 | 45 | virtual void UseClusters(AliTRDtrack t); |
46 | virtual Int_t GetTrackLabel(AliTRDtrack t); | |
47 | Int_t WriteTracks(const Char_t *filename); | |
a819a5f7 | 48 | void ReadClusters(TObjArray *array, const Char_t *filename); |
49 | ||
0a29d0f1 | 50 | Float_t GetSeedGap() const {return fgkSeedGap;} |
51 | Float_t GetSeedStep() const {return fgkSeedStep;} | |
52 | Float_t GetSeedDepth() const {return fgkSeedDepth;} | |
53 | Float_t GetSkipDepth() const {return fgkSkipDepth;} | |
54 | Double_t GetMaxChi2() const {return fgkMaxChi2;} | |
55 | Float_t GetMaxSeedC() const {return fgkMaxSeedC;} | |
56 | Float_t GetMaxSeedTan() const {return fgkMaxSeedTan;} | |
57 | Double_t GetSeedErrorSY() const {return fgkSeedErrorSY;} | |
58 | Double_t GetSeedErrorSY3() const {return fgkSeedErrorSY3;} | |
59 | Double_t GetSeedErrorSZ() const {return fgkSeedErrorSZ;} | |
60 | Float_t GetLabelFraction() const {return fgkLabelFraction;} | |
61 | Float_t GetWideRoad() const {return fgkWideRoad;} | |
62 | ||
63 | Float_t GetMinClustersInTrack() const {return fgkMinClustersInTrack;} | |
64 | Float_t GetMinClustersInSeed() const {return fgkMinClustersInSeed;} | |
65 | Float_t GetMaxSeedDeltaZ() const {return fgkMaxSeedDeltaZ;} | |
66 | Float_t GetMaxSeedVertexZ() const {return fgkMaxSeedVertexZ;} | |
a819a5f7 | 67 | |
68 | void SetSY2corr(Float_t w) {fSY2corr = w;} | |
46d29e70 | 69 | |
70 | protected: | |
71 | ||
46d29e70 | 72 | Int_t fEvent; // Event number |
73 | ||
bbf92647 | 74 | AliTRDgeometry *fGeom; // Pointer to TRD geometry |
75 | ||
46d29e70 | 76 | Int_t fNclusters; // Number of clusters in TRD |
77 | TObjArray *fClusters; // List of clusters for all sectors | |
78 | ||
79 | Int_t fNseeds; // Number of track seeds | |
80 | TObjArray *fSeeds; // List of track seeds | |
81 | ||
82 | Int_t fNtracks; // Number of reconstructed tracks | |
83 | TObjArray *fTracks; // List of reconstructed tracks | |
84 | ||
a819a5f7 | 85 | Float_t fSY2corr; // Correction coefficient for |
86 | // cluster SigmaY2 | |
87 | ||
0a29d0f1 | 88 | static const Float_t fgkSeedGap; // Distance between inner and outer |
89 | // time bin in seeding | |
90 | // (fraction of all time bins) | |
bbf92647 | 91 | |
0a29d0f1 | 92 | static const Float_t fgkSeedStep; // Step in iterations |
93 | static const Float_t fgkSeedDepth; // Fraction of TRD allocated for seeding | |
94 | static const Float_t fgkSkipDepth; // Fraction of TRD which can be skipped | |
bbf92647 | 95 | // in track prolongation |
0a29d0f1 | 96 | static const Double_t fgkMaxChi2; // max increment in track chi2 |
bbf92647 | 97 | |
0a29d0f1 | 98 | static const Float_t fgkMinClustersInTrack; // min fraction of clusters in track |
99 | static const Float_t fgkMinClustersInSeed; // min fraction of clusters in seed | |
100 | static const Float_t fgkMaxSeedDeltaZ; // max dZ in MakeSeeds | |
101 | static const Float_t fgkMaxSeedDeltaZ12; // max abs(z1-z2) in MakeSeeds | |
102 | static const Float_t fgkMaxSeedC; // max initial curvature in MakeSeeds | |
103 | static const Float_t fgkMaxSeedTan; // max initial Tangens(lambda) in MakeSeeds | |
104 | static const Float_t fgkMaxSeedVertexZ; // max vertex Z in MakeSeeds | |
105 | static const Double_t fgkSeedErrorSY; // sy parameter in MakeSeeds | |
106 | static const Double_t fgkSeedErrorSY3; // sy3 parameter in MakeSeeds | |
107 | static const Double_t fgkSeedErrorSZ; // sz parameter in MakeSeeds | |
108 | static const Float_t fgkLabelFraction; // min fraction of clusters in GetTrackLabel | |
109 | static const Float_t fgkWideRoad; // max road width in FindProlongation | |
bbf92647 | 110 | |
46d29e70 | 111 | ClassDef(AliTRDtracker,1) // manager base class |
112 | ||
113 | }; | |
114 | ||
115 | #endif |