1 #ifndef ALITOFTRACKERV1_H
2 #define ALITOFTRACKERV1_H
4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
9 //----------------------------------------------------------------------//
11 // AliTOFtrackerV1 Class //
12 // Task: Perform association of the ESD tracks to TOF Clusters //
13 // and Update ESD track with associated TOF Cluster parameters //
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 //
20 //----------------------------------------------------------------------//
22 #include "AliTracker.h"
32 class AliTOFRecoParam;
35 class AliTOFtrackerV1 : public AliTracker {
41 virtual ~AliTOFtrackerV1();
42 virtual void GetPidSettings(AliESDpid *esdPID);
43 virtual Int_t Clusters2Tracks(AliESDEvent* /*event*/) {return -1;};
44 virtual Int_t PropagateBack(AliESDEvent * const event);
45 virtual Int_t RefitInward(AliESDEvent* /*event*/) {return -1;};
46 virtual Int_t LoadClusters(TTree * cTree); // Load Clusters
47 virtual void UnloadClusters();// UnLoad Clusters
48 virtual AliCluster *GetCluster(Int_t index) const
49 {if (index==-1 || index >= fN) return NULL;
50 return (AliCluster *) fClusters[index];};
51 Bool_t GetTrackPoint(Int_t index, AliTrackPoint& p) const;
52 void InitCheckHists();
53 void SaveCheckHists();
54 void FillClusterArray(TObjArray* arr) const;
58 enum {kMaxCluster=77777}; //maximal number of the TOF clusters
60 AliTOFtrackerV1(const AliTOFtrackerV1 &t); //Copy Ctor
61 AliTOFtrackerV1& operator=(const AliTOFtrackerV1 &source); // ass. op.
63 Int_t FindClusterIndex(Double_t z) const; // Returns cluster index
64 void MatchTracks(); // Matching Algorithm
65 void CollectESD(); // Select starting Set for Matching
66 Float_t GetTimeZerofromTOF(AliESDEvent* /*event*/) const; // T0 from TOF
67 Float_t GetTimeZerofromT0(const AliESDEvent * const event) const; // T0 from T0
68 Float_t CorrectTimeWalk(Float_t dist,Float_t tof) const; // Time Walk correction
70 const AliTOFRecoParam* fkRecoParam; // Pointer to TOF Recon. Pars
71 AliTOFcluster *fClusters[kMaxCluster]; // pointers to the TOF clusters
73 Int_t fN; // Number of Clusters
74 Int_t fNseeds; // Number of track seeds
75 Int_t fNseedsTOF; // TPC BP tracks
76 Int_t fngoodmatch; // Correctly matched tracks
77 Int_t fnbadmatch; // Wrongly matched tracks
78 Int_t fnunmatch; // Unmatched tracks
79 Int_t fnmatch; // Total matched tracks
81 TClonesArray* fTracks; //! pointer to the TClonesArray with TOF tracks
82 TObjArray* fSeeds; //! pointer to the TObjArray with ESD tracks
83 //Digits/Reco QA histos
85 TH2F * fHDigClusMap; //Digits QA, Cluster Map
86 TH1F * fHDigNClus; //Digits QA, # of clusters on TOF/event
87 TH1F * fHDigClusTime;//Digits QA, Cluster Time (ns)
88 TH1F * fHDigClusToT; //Digits QA, Cluster ToT (ns)
89 TH1F * fHRecNClus; //Reco QA, cluster occupancy in search window
90 TH1F * fHRecChi2;//Reco QA, track-best TOF cluster chi2
91 TH1F * fHRecDistZ;//Reco QA, track-TOF cluster closest distance (cm)
92 TH2F * fHRecSigYVsP;//Reco QA, track error in Y at TOF inner surface (cm)
93 TH2F * fHRecSigZVsP; //Reco QA, track error in Z at TOF inner surface (cm)
94 TH2F * fHRecSigYVsPWin;//Reco QA, search window size in Y (cm)
95 TH2F * fHRecSigZVsPWin;//Reco QA, search window size in X (cm)
97 ClassDef(AliTOFtrackerV1, 3) // TOF tracker