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1 | #ifndef ALITOFTRACKERV2_H |
| 2 | #define ALITOFTRACKERV2_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 | // AliTOFtrackerV2 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 : A. De Caro (Centro Studi e Ricerche E.Fermi) // |
| 16 | // -- Contacts: Annalisa.De.Caro@cern.ch // |
| 17 | // // |
| 18 | //------------------------------------------------------------------// |
| 19 | |
| 20 | #include "AliTracker.h" |
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21 | #include "AliTOFcluster.h" |
| 22 | #include "AliESDTOFCluster.h" |
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23 | |
| 24 | class TClonesArray; |
| 25 | class TObjArray; |
| 26 | |
| 27 | class AliESDEvent; |
| 28 | class AliESDpid; |
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29 | class AliTOFRecoParam; |
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30 | |
| 31 | class AliTOFtrackerV2 : public AliTracker { |
| 32 | |
| 33 | public: |
| 34 | |
| 35 | AliTOFtrackerV2(); |
| 36 | |
| 37 | virtual ~AliTOFtrackerV2(); |
| 38 | virtual void GetPidSettings(AliESDpid *esdPID); |
| 39 | virtual Int_t Clusters2Tracks(AliESDEvent* /*event*/) {return -1;}; |
| 40 | virtual Int_t PropagateBack(AliESDEvent * const event); |
| 41 | virtual Int_t RefitInward(AliESDEvent* /*event*/) {return -1;}; |
| 42 | virtual Int_t LoadClusters(TTree * cTree); // Load Clusters |
| 43 | virtual void UnloadClusters();// UnLoad Clusters |
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44 | Bool_t GetTrackPoint(Int_t index, AliTrackPoint& p) const; |
| 45 | Int_t GetNumberOfMatchedTOFtracks() const {return fnmatch;} |
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46 | virtual AliCluster *GetCluster(Int_t index) const |
| 47 | {//Int_t index = fWrittenInPos[indexOr]; // indexOr should refer to the clusters written in ESD |
| 48 | if (index==-1 || index >= fN) return NULL; |
| 49 | return (AliCluster *) &(fClusters[index]);}; |
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50 | |
| 51 | private: |
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52 | void Clusterize(); |
| 53 | void MergeClusters(Int_t i,Int_t j); |
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54 | |
| 55 | enum {kMaxCluster=77777}; //maximal number of the TOF clusters |
| 56 | |
| 57 | AliTOFtrackerV2(const AliTOFtrackerV2 &t); //Copy Ctor |
| 58 | AliTOFtrackerV2& operator=(const AliTOFtrackerV2 &source); // ass. op. |
| 59 | |
| 60 | Int_t FindClusterIndex(Double_t z) const; // Returns cluster index |
| 61 | void MatchTracks(); // Matching Algorithm |
| 62 | void CollectESD(); // Select starting Set for Matching |
| 63 | Float_t CorrectTimeWalk(Float_t dist,Float_t tof) const; // Time Walk correction |
| 64 | |
| 65 | const AliTOFRecoParam* fkRecoParam; // Pointer to TOF Recon. Pars |
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66 | |
| 67 | Int_t fN; // Number of Clusters |
| 68 | Int_t fNseeds; // Number of track seeds |
| 69 | Int_t fNseedsTOF; // TPC BP tracks |
| 70 | Int_t fnunmatch; // Unmatched tracks |
| 71 | Int_t fnmatch; // Total matched tracks |
| 72 | |
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73 | TObjArray* fSeeds; //! pointer to the TObjArray with ESD tracks |
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74 | AliTOFcluster *fClusters[kMaxCluster]; //! pointers to the TOF cluster |
| 75 | TClonesArray *fClustersESD; //! base line for ESD clusters |
| 76 | TClonesArray *fHitsESD; //! filter list of TOF hits for ESD |
| 77 | Int_t fWrittenInPos[kMaxCluster]; //! the position where the cluster is already written |
| 78 | |
| 79 | AliESDEvent *fEvent; //! pointer to the event |
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80 | |
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81 | Int_t fNsteps; //! number of propagation steps |
| 82 | Double_t *fTimesAr[AliPID::kSPECIESC]; //! array to compute expected times for each propagation step |
| 83 | Float_t *fTrackPos[4]; //! array to compute pos for each propation step |
| 84 | |
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85 | ClassDef(AliTOFtrackerV2, 2) // TOF tracker |
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86 | }; |
| 87 | |
| 88 | #endif |
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