New class AliESDEvent, backward compatibility with the old AliESD (Christian)
[u/mrichter/AliRoot.git] / TOF / AliTOFtracker.h
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596a855f 1#ifndef ALITOFTRACKER_H
2#define ALITOFTRACKER_H
0e46b9ae 3
596a855f 4/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
6
7/* $Id$ */
8
0e46b9ae 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//----------------------------------------------------------------------//
571dda3d 21
596a855f 22#include "AliTracker.h"
23#include "AliTOFpidESD.h"
24
0e46b9ae 25class TClonesArray;
26
af885e0f 27class AliESDEvent;
0e46b9ae 28
571dda3d 29class AliTOFcluster;
e0ddb533 30class AliTOFRecoParam;
0e46b9ae 31class AliTOFGeometry;
5664c6ed 32class TH1F;
33class TH2F;
596a855f 34
596a855f 35class AliTOFtracker : public AliTracker {
74ea065c 36
37enum {kMaxCluster=77777}; //maximal number of the TOF clusters
38
596a855f 39public:
40
e0ddb533 41 AliTOFtracker();
74ea065c 42 AliTOFtracker(const AliTOFtracker &t); //Copy Ctor
7aeeaf38 43 AliTOFtracker& operator=(const AliTOFtracker &source); // ass. op.
44
5664c6ed 45 virtual ~AliTOFtracker();
af885e0f 46 virtual Int_t Clusters2Tracks(AliESDEvent* /*event*/) {return -1;};
47 virtual Int_t PropagateBack(AliESDEvent* event);
48 virtual Int_t RefitInward(AliESDEvent* /*event*/) {return -1;};
7aeeaf38 49 virtual Int_t LoadClusters(TTree * cTree); // Load Clusters
74ea065c 50 virtual void UnloadClusters();// UnLoad Clusters
582c6e46 51 virtual AliCluster *GetCluster(Int_t /*index*/) const {return NULL;};
d4754572 52 Bool_t GetTrackPoint(Int_t index, AliTrackPoint& p) const;
5664c6ed 53 void InitCheckHists();
54 void SaveCheckHists();
596a855f 55
56private:
596a855f 57
74ea065c 58 Int_t FindClusterIndex(Double_t z) const; // Returns cluster index
59 void MatchTracks(Bool_t mLastStep); // Matching Algorithm
60 void CollectESD(); // Select starting Set for Matching
af885e0f 61 Float_t GetTimeZerofromTOF(AliESDEvent* /*event*/) const; // T0 from TOF
62 Float_t GetTimeZerofromT0(AliESDEvent* event) const; // T0 from T0
e0ddb533 63 Float_t CorrectTimeWalk(Float_t dist,Float_t tof); // Time Walk correction
74ea065c 64
e0ddb533 65 AliTOFRecoParam* fRecoParam; // Pointer to TOF Recon. Pars
74ea065c 66 AliTOFGeometry* fGeom; // Pointer to TOF geometry
e0ddb533 67 AliTOFpidESD* fPid; // Pointer to TOF PID
74ea065c 68 AliTOFcluster *fClusters[kMaxCluster]; // pointers to the TOF clusters
69
74ea065c 70 Int_t fN; // Number of Clusters
71 Int_t fNseeds; // Number of track seeds
72 Int_t fNseedsTOF; // TPC BP tracks
73 Int_t fngoodmatch; // Correctly matched tracks
74 Int_t fnbadmatch; // Wrongly matched tracks
75 Int_t fnunmatch; // Unmatched tracks
76 Int_t fnmatch; // Total matched tracks
77
74ea065c 78 TClonesArray* fTracks; //! pointer to the TClonesArray with TOF tracks
79 TClonesArray* fSeeds; //! pointer to the TClonesArray with ESD tracks
5664c6ed 80 //Digits/Reco QA histos
81
82 TH2F * fHDigClusMap; //Digits QA, Cluster Map
83 TH1F * fHDigNClus; //Digits QA, # of clusters on TOF/event
84 TH1F * fHDigClusTime;//Digits QA, Cluster Time (ns)
85 TH1F * fHDigClusToT; //Digits QA, Cluster ToT (ns)
86 TH1F * fHRecNClus; //Reco QA, cluster occupancy in search window
87 TH1F * fHRecDist;//Reco QA, track-TOF cluster closest distance (cm)
88 TH2F * fHRecSigYVsP;//Reco QA, track error in Y at TOF inner surface (cm)
89 TH2F * fHRecSigZVsP; //Reco QA, track error in Z at TOF inner surface (cm)
90 TH2F * fHRecSigYVsPWin;//Reco QA, search window size in Y (cm)
91 TH2F * fHRecSigZVsPWin;//Reco QA, search window size in X (cm)
92 TTree * fCalTree; // Tree for on-the-fly offline Calibration
93 // internal variables in tree for on-the-fly TOF Calibration
94
e0ddb533 95 Int_t fIch; //TOF channel number
5664c6ed 96 Float_t fToT; // Time over Threshold, ns
97 Float_t fTime; //TOF time, ps
98 Float_t fExpTimePi; // exp time, Pions
99 Float_t fExpTimeKa; // exp time, Kaons
100 Float_t fExpTimePr; // exp time, Protons
74ea065c 101
e0ddb533 102 ClassDef(AliTOFtracker, 2) // TOF tracker
596a855f 103};
104
105#endif