3 //___________________________________________________________________________
4 /////////////////////////////////////////////////////////////////////////////
6 // Multi file reader for ESD //
8 // This reader reads tracks from Event Summary Data //
9 // do not read particles //
10 // Piotr.Skowronski@cern.ch //
11 // more info: http://alisoft.cern.ch/people/skowron/analyzer/index.html //
13 /////////////////////////////////////////////////////////////////////////////
15 #include "AliReader.h"
22 class AliReaderESD: public AliReader
25 AliReaderESD(const Char_t* esdfilename = "AliESDs.root", const Char_t* galfilename = "galice.root");
27 AliReaderESD(TObjArray* dirs,const Char_t* esdfilename = "AliESDs.root", const Char_t* galfilename = "galice.root");
29 virtual ~AliReaderESD();
33 void ReadSimulatedData(Bool_t flag){fReadSim = flag;}//switches reading MC data
34 Bool_t ReadsRec() const {return kTRUE;}
35 Bool_t ReadsSim() const {return fReadSim;}
36 void SetCheckParticlePID(Bool_t flag){fCheckParticlePID = flag;}
37 void SetReadMostProbableOnly(Bool_t flag){fReadMostProbableOnly = flag;}
42 void SetTPCNClustersRange(Int_t min,Int_t max);
43 void SetTPCChi2PerCluserRange(Float_t min, Float_t max);
45 void SetChi2Range(Float_t min, Float_t max);
46 void SetC00Range(Float_t min, Float_t max);
47 void SetC11Range(Float_t min, Float_t max);
48 void SetC22Range(Float_t min, Float_t max);
49 void SetC33Range(Float_t min, Float_t max);
50 void SetC44Range(Float_t min, Float_t max);
51 void SetNumberOfTrackPoints(Int_t n = 5,Float_t dr = 30.0) {fNTrackPoints = n; fdR = dr;}
52 Int_t GetNumberOfTrackPoints() const {return fNTrackPoints;}
53 void SetClusterMap(Bool_t flag = kTRUE){fClusterMap = flag;}
54 void SetITSTrackPoints(Bool_t flag = kTRUE){fITSTrackPoints = flag;}
55 void MustTPC(Bool_t flag){fMustTPC = flag;}
57 void SetReadCentralBarrel(Bool_t flag){fReadCentralBarrel = flag;}
58 void SetReadMuon(Bool_t flag){fReadMuon = flag;}
59 void SetReadPHOS(Bool_t flag){fReadPHOS = flag;}
61 enum ESpecies {kESDElectron = 0, kESDMuon, kESDPion, kESDKaon, kESDProton, kNSpecies};
62 static Int_t GetSpeciesPdgCode(ESpecies spec);
64 Int_t ReadESD(AliESD* esd);
65 Int_t ReadESDCentral(AliESD* esd);
66 Int_t ReadESDMuon(AliESD* esd);
67 Int_t ReadESDPHOS(AliESD* /*esd*/){return 0;}
70 virtual Int_t ReadNext();
72 virtual TFile* OpenFile(Int_t evno);//opens files to be read for given event
74 Bool_t CheckTrack(AliESDtrack* t) const;
76 TString fESDFileName;//name of the file with tracks
77 TString fGAlFileName;//name of the file with tracks
78 TFile* fFile;//! pointer to current ESD file
79 AliRunLoader* fRunLoader;//!Run Loader
80 TIter* fKeyIterator;//!iterator over keys in ESD file
81 Bool_t fReadSim;//flag indicating wether to read particles from kinematics
82 Bool_t fCheckParticlePID;//flag indicating to perform the check on PID of simulated particle - usefull in resoluion analysis
83 Bool_t fReadMostProbableOnly;//flag indicating to read ony one incarnation with the highest probability
84 Int_t fNTrackPoints;//number of track points; if==0 track points are not created
85 Float_t fdR;//spacing between points (along radius) in cm
86 //Track Points are needed for Anti-Merging Cut
88 Bool_t fClusterMap;//Flag indicating if Claster Map should be created for each track
89 //Claster map is needed for Anti-Splitting Cut
91 Bool_t fITSTrackPoints;//Flag indicalting if track positions in ITS are to be read
92 //currently we use only position at first pixels wich are
93 //used by anti-merging cut in non-id analysis
95 Bool_t fMustTPC;// must be reconstructed in TPC -> reject tracks reconstructed ITS stand alone
97 Bool_t fReadCentralBarrel; // Flag for reading ESD central track
98 Bool_t fReadMuon;// Flag for reading ESD Muon track
99 Bool_t fReadPHOS;// Flag for reading ESD Phos
101 //Cut Parameters specific to TPC tracks
103 Int_t fNTPCClustMin;//Number of clusters min value
104 Int_t fNTPCClustMax;//Number of clusters max value
106 Float_t fTPCChi2PerClustMin;//Chi^2 per number of clusters min value
107 Float_t fTPCChi2PerClustMax;//Chi^2 per number of clusters max value
110 // Required parameters at vertex
111 Float_t fChi2Min;//Chi^2 min value
112 Float_t fChi2Max;//Chi^2 max value
114 Float_t fC00Min;//C00 (0th diagonal element of covariance matrix) min value
115 Float_t fC00Max;//C00 (0th diagonal element of covariance matrix) max value
117 Float_t fC11Min;//C11 (1th diagonal element of covariance matrix) min value
118 Float_t fC11Max;//C11 (1th diagonal element of covariance matrix) max value
120 Float_t fC22Min;//C22 (2th diagonal element of covariance matrix) min value
121 Float_t fC22Max;//C22 (2th diagonal element of covariance matrix) max value
123 Float_t fC33Min;//C33 (3th diagonal element of covariance matrix) min value
124 Float_t fC33Max;//C33 (3th diagonal element of covariance matrix) max value
126 Float_t fC44Min;//C44 (4th diagonal element of covariance matrix) min value
127 Float_t fC44Max;//C44 (4th diagonal element of covariance matrix) max value
129 // Required parameters at TPC Inner Layer
130 Float_t fTPCC00Min;//C00 (0th diagonal element of covariance matrix) min value
131 Float_t fTPCC00Max;//C00 (0th diagonal element of covariance matrix) max value
133 Float_t fTPCC11Min;//C11 (1th diagonal element of covariance matrix) min value
134 Float_t fTPCC11Max;//C11 (1th diagonal element of covariance matrix) max value
136 Float_t fTPCC22Min;//C22 (2th diagonal element of covariance matrix) min value
137 Float_t fTPCC22Max;//C22 (2th diagonal element of covariance matrix) max value
139 Float_t fTPCC33Min;//C33 (3th diagonal element of covariance matrix) min value
140 Float_t fTPCC33Max;//C33 (3th diagonal element of covariance matrix) max value
142 Float_t fTPCC44Min;//C44 (4th diagonal element of covariance matrix) min value
143 Float_t fTPCC44Max;//C44 (4th diagonal element of covariance matrix) max value
146 ClassDef(AliReaderESD,1)