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"
31 class AliTOFRecoParam;
34 class AliTOFtrackerV1 : public AliTracker {
36 enum {kMaxCluster=77777}; //maximal number of the TOF clusters
42 virtual ~AliTOFtrackerV1();
43 virtual Int_t Clusters2Tracks(AliESDEvent* /*event*/) {return -1;};
44 virtual Int_t PropagateBack(AliESDEvent* 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 AliTOFtrackerV1(const AliTOFtrackerV1 &t); //Copy Ctor
59 AliTOFtrackerV1& operator=(const AliTOFtrackerV1 &source); // ass. op.
61 Int_t FindClusterIndex(Double_t z) const; // Returns cluster index
62 void MatchTracks(); // Matching Algorithm
63 void CollectESD(); // Select starting Set for Matching
64 Float_t GetTimeZerofromTOF(AliESDEvent* /*event*/) const; // T0 from TOF
65 Float_t GetTimeZerofromT0(AliESDEvent* event) const; // T0 from T0
66 Float_t CorrectTimeWalk(Float_t dist,Float_t tof); // Time Walk correction
68 const AliTOFRecoParam* fRecoParam; // Pointer to TOF Recon. Pars
69 AliTOFpidESD* fPid; // Pointer to TOF PID
70 AliTOFcluster *fClusters[kMaxCluster]; // pointers to the TOF clusters
72 Int_t fN; // Number of Clusters
73 Int_t fNseeds; // Number of track seeds
74 Int_t fNseedsTOF; // TPC BP tracks
75 Int_t fngoodmatch; // Correctly matched tracks
76 Int_t fnbadmatch; // Wrongly matched tracks
77 Int_t fnunmatch; // Unmatched tracks
78 Int_t fnmatch; // Total matched tracks
80 TClonesArray* fTracks; //! pointer to the TClonesArray with TOF tracks
81 TClonesArray* fSeeds; //! pointer to the TClonesArray with ESD tracks
82 //Digits/Reco QA histos
84 TH2F * fHDigClusMap; //Digits QA, Cluster Map
85 TH1F * fHDigNClus; //Digits QA, # of clusters on TOF/event
86 TH1F * fHDigClusTime;//Digits QA, Cluster Time (ns)
87 TH1F * fHDigClusToT; //Digits QA, Cluster ToT (ns)
88 TH1F * fHRecNClus; //Reco QA, cluster occupancy in search window
89 TH1F * fHRecChi2;//Reco QA, track-best TOF cluster chi2
90 TH1F * fHRecDistZ;//Reco QA, track-TOF cluster closest distance (cm)
91 TH2F * fHRecSigYVsP;//Reco QA, track error in Y at TOF inner surface (cm)
92 TH2F * fHRecSigZVsP; //Reco QA, track error in Z at TOF inner surface (cm)
93 TH2F * fHRecSigYVsPWin;//Reco QA, search window size in Y (cm)
94 TH2F * fHRecSigZVsPWin;//Reco QA, search window size in X (cm)
96 ClassDef(AliTOFtrackerV1, 1) // TOF tracker