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