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1 | #ifndef ALITOFTRACKER_H | |
2 | #define ALITOFTRACKER_H | |
3 | ||
4 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
5 | * See cxx source for full Copyright notice */ | |
6 | ||
7 | /* $Id$ */ | |
8 | ||
9 | //----------------------------------------------------------------------// | |
10 | // // | |
11 | // AliTOFtracker Class // | |
12 | // Task: Perform association of the ESD tracks to TOF Clusters // | |
13 | // and Update ESD track with associated TOF Cluster parameters // | |
14 | // // | |
15 | // -- Authors : S. Arcelli, C. Zampolli (Bologna University and INFN) // | |
16 | // -- Contacts: Annalisa.De.Caro@cern.ch // | |
17 | // -- : Chiara.Zampolli@bo.infn.it // | |
18 | // -- : Silvia.Arcelli@bo.infn.it // | |
19 | // // | |
20 | //----------------------------------------------------------------------// | |
21 | ||
22 | #include "AliTracker.h" | |
23 | ||
24 | class TClonesArray; | |
25 | ||
26 | class TH1F; | |
27 | class TH2F; | |
28 | ||
29 | class AliESDEvent; | |
30 | ||
31 | class AliTOFcluster; | |
32 | class AliTOFRecoParam; | |
33 | class AliTOFGeometry; | |
34 | class AliTOFpidESD; | |
35 | ||
36 | class AliTOFtracker : public AliTracker { | |
37 | ||
38 | enum {kMaxCluster=77777}; //maximal number of the TOF clusters | |
39 | ||
40 | public: | |
41 | ||
42 | AliTOFtracker(); | |
43 | ||
44 | virtual ~AliTOFtracker(); | |
45 | virtual Int_t Clusters2Tracks(AliESDEvent* /*event*/) {return -1;}; | |
46 | virtual Int_t PropagateBack(AliESDEvent* event); | |
47 | virtual Int_t RefitInward(AliESDEvent* /*event*/) {return -1;}; | |
48 | virtual Int_t LoadClusters(TTree * cTree); // Load Clusters | |
49 | virtual void UnloadClusters();// UnLoad Clusters | |
50 | virtual AliCluster *GetCluster(Int_t index) const | |
51 | {if (index==-1 || index >= fN) return NULL; | |
52 | return (AliCluster *) fClusters[index];}; | |
53 | Bool_t GetTrackPoint(Int_t index, AliTrackPoint& p) const; | |
54 | void InitCheckHists(); | |
55 | void SaveCheckHists(); | |
56 | void FillClusterArray(TObjArray* arr) const; | |
57 | ||
58 | private: | |
59 | ||
60 | AliTOFtracker(const AliTOFtracker &t); //Copy Ctor | |
61 | AliTOFtracker& operator=(const AliTOFtracker &source); // ass. op. | |
62 | ||
63 | Int_t FindClusterIndex(Double_t z) const; // Returns cluster index | |
64 | void MatchTracks(Bool_t mLastStep); // Matching Algorithm | |
65 | void CollectESD(); // Select starting Set for Matching | |
66 | Float_t GetTimeZerofromTOF(AliESDEvent* /*event*/) const; // T0 from TOF | |
67 | Float_t GetTimeZerofromT0(AliESDEvent* event) const; // T0 from T0 | |
68 | Float_t CorrectTimeWalk(Float_t dist,Float_t tof); // Time Walk correction | |
69 | ||
70 | const AliTOFRecoParam* fRecoParam; // Pointer to TOF Recon. Pars | |
71 | AliTOFGeometry* fGeom; // Pointer to TOF geometry | |
72 | AliTOFpidESD* fPid; // Pointer to TOF PID | |
73 | AliTOFcluster *fClusters[kMaxCluster]; // pointers to the TOF clusters | |
74 | ||
75 | Int_t fN; // Number of Clusters | |
76 | Int_t fNseeds; // Number of track seeds | |
77 | Int_t fNseedsTOF; // TPC BP tracks | |
78 | Int_t fngoodmatch; // Correctly matched tracks | |
79 | Int_t fnbadmatch; // Wrongly matched tracks | |
80 | Int_t fnunmatch; // Unmatched tracks | |
81 | Int_t fnmatch; // Total matched tracks | |
82 | ||
83 | TClonesArray* fTracks; //! pointer to the TClonesArray with TOF tracks | |
84 | TClonesArray* fSeeds; //! pointer to the TClonesArray with ESD tracks | |
85 | //Digits/Reco QA histos | |
86 | ||
87 | TH2F * fHDigClusMap; //Digits QA, Cluster Map | |
88 | TH1F * fHDigNClus; //Digits QA, # of clusters on TOF/event | |
89 | TH1F * fHDigClusTime;//Digits QA, Cluster Time (ns) | |
90 | TH1F * fHDigClusToT; //Digits QA, Cluster ToT (ns) | |
91 | TH1F * fHRecNClus; //Reco QA, cluster occupancy in search window | |
92 | TH1F * fHRecDist;//Reco QA, track-TOF cluster closest distance (cm) | |
93 | TH2F * fHRecSigYVsP;//Reco QA, track error in Y at TOF inner surface (cm) | |
94 | TH2F * fHRecSigZVsP; //Reco QA, track error in Z at TOF inner surface (cm) | |
95 | TH2F * fHRecSigYVsPWin;//Reco QA, search window size in Y (cm) | |
96 | TH2F * fHRecSigZVsPWin;//Reco QA, search window size in X (cm) | |
97 | TTree * fCalTree; // Tree for on-the-fly offline Calibration | |
98 | // internal variables in tree for on-the-fly TOF Calibration | |
99 | ||
100 | Int_t fIch; //TOF channel number | |
101 | Float_t fToT; // Time over Threshold, ns | |
102 | Float_t fTime; //TOF time, ps | |
103 | Float_t fExpTimePi; // exp time, Pions | |
104 | Float_t fExpTimeKa; // exp time, Kaons | |
105 | Float_t fExpTimePr; // exp time, Protons | |
106 | ||
107 | ClassDef(AliTOFtracker, 3) // TOF tracker | |
108 | }; | |
109 | ||
110 | #endif |