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Add Muon Corrections
[u/mrichter/AliRoot.git] / PWGDQ / dielectron / AliDielectronPID.h
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8df8e382 1#ifndef ALIDIELECTRONPID_H
2#define ALIDIELECTRONPID_H
3
4/* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
6
7//#############################################################
8//# #
9//# Class AliDielectronPID #
10//# #
11//# Authors: #
12//# Anton Andronic, GSI / A.Andronic@gsi.de #
13//# Ionut C. Arsene, GSI / I.C.Arsene@gsi.de #
14//# Julian Book, Uni Ffm / Julian.Book@cern.ch #
15//# Frederick Kramer, Uni Ffm, / Frederick.Kramer@cern.ch #
16//# Magnus Mager, CERN / Magnus.Mager@cern.ch #
17//# WooJin J. Park, GSI / W.J.Park@gsi.de #
18//# Jens Wiechula, Uni HD / Jens.Wiechula@cern.ch #
19//# #
20//#############################################################
21
a94c2e7e 22#include <TBits.h>
23
8df8e382 24#include <AliPID.h>
8df8e382 25#include <AliAnalysisCuts.h>
6d5dea7c 26#include <AliTRDPIDResponse.h>
8df8e382 27
28class TF1;
8df8e382 29class TList;
164bfb53 30class AliVTrack;
48609e3d 31class TGraph;
5317c468 32class THnBase;
5720c765 33class AliPIDResponse;
34class AliDielectronVarManager;
8c2440d0 35class AliDielectronVarCuts;
8df8e382 36
37class AliDielectronPID : public AliAnalysisCuts {
38public:
6d5dea7c 39 enum DetType {kITS, kTPC, kTRD, kTRDeleEff, kTRDeleEff2D, kTOF, kEMCAL};
5720c765 40 enum PIDbitType {kIgnore=0, kRequire, kIfAvailable};
8df8e382 41
42 AliDielectronPID();
43 AliDielectronPID(const char*name, const char* title);
44
45 virtual ~AliDielectronPID();
46
47 void AddCut(DetType det, AliPID::EParticleType type, Double_t nSigmaLow, Double_t nSigmaUp=-99999.,
5720c765 48 Double_t min=0, Double_t max=0, Bool_t exclude=kFALSE, UInt_t pidBitType=AliDielectronPID::kRequire,
49 Int_t var=-1);
8df8e382 50
51 void AddCut(DetType det, AliPID::EParticleType type, Double_t nSigmaLow, TF1 * const funUp,
5720c765 52 Double_t min=0, Double_t max=0, Bool_t exclude=kFALSE, UInt_t pidBitType=AliDielectronPID::kRequire,
53 Int_t var=-1);
8df8e382 54
55 void AddCut(DetType det, AliPID::EParticleType type, TF1 * const funLow, Double_t nSigmaUp,
5720c765 56 Double_t min=0, Double_t max=0, Bool_t exclude=kFALSE, UInt_t pidBitType=AliDielectronPID::kRequire,
57 Int_t var=-1);
8df8e382 58
59 void AddCut(DetType det, AliPID::EParticleType type, TF1 * const funLow, TF1 * const funUp,
5720c765 60 Double_t min=0, Double_t max=0, Bool_t exclude=kFALSE, UInt_t pidBitType=AliDielectronPID::kRequire,
61 Int_t var=-1);
88204efa 62 void AddCut(DetType det, AliPID::EParticleType type, Double_t nSigmaLow, Double_t nSigmaUp, Double_t min, Double_t max, Bool_t exclude, UInt_t pidBitType, TF1 * const funSigma);
8c2440d0 63 void AddCut(DetType det, AliPID::EParticleType type, Double_t nSigmaLow, Double_t nSigmaUp,
64 AliDielectronVarCuts *varcuts, Bool_t exclude=kFALSE, UInt_t pidBitType=AliDielectronPID::kRequire );
5317c468 65
66 void AddCut(DetType det, AliPID::EParticleType type, THnBase * const histLow, Double_t nSigmaUp,
67 Double_t min=0, Double_t max=0, Bool_t exclude=kFALSE,
68 UInt_t pidBitType=AliDielectronPID::kRequire, Int_t var=-1);
69
8df8e382 70 void SetDefaults(Int_t def);
71
8df8e382 72 //
73 //Analysis cuts interface
74 //const
75 virtual Bool_t IsSelected(TObject* track);
76 virtual Bool_t IsSelected(TList* /* list */ ) {return kFALSE;}
48609e3d 77
78 static void SetCorrGraph(TGraph * const gr) { fgFitCorr=gr; }
d327d9cd 79 static TGraph *GetCorrGraph() { return fgFitCorr; }
80
48609e3d 81 static void SetCorrVal(Double_t run);
82 static Double_t GetCorrVal() { return fgCorr; }
d327d9cd 83 static Double_t GetCorrValdEdx() { return fgCorrdEdx; }
84
85 static void SetCorrGraphdEdx(TGraph * const gr) { fgdEdxRunCorr=gr; }
86 static TGraph *GetCorrGraphdEdx() { return fgdEdxRunCorr; }
5720c765 87
88 static void SetEtaCorrFunction(TF1 *fun) {fgFunEtaCorr=fun;}
9ad9e048 89 static void SetCentroidCorrFunction(TH1 *fun) { fgFunCntrdCorr=fun; }
90 static void SetWidthCorrFunction(TH1 *fun) { fgFunWdthCorr=fun; }
5720c765 91 static TF1* GetEtaCorrFunction() { return fgFunEtaCorr; }
92
0c09cae4 93 static Double_t GetEtaCorr(const AliVTrack *track);
61749cc7 94 static Double_t GetCntrdCorr(const AliVTrack *track) { return (fgFunCntrdCorr ? GetPIDCorr(track,fgFunCntrdCorr) : 0.0); }
95 static Double_t GetWdthCorr(const AliVTrack *track) { return (fgFunWdthCorr ? GetPIDCorr(track,fgFunWdthCorr) : 1.0); }
5720c765 96
8df8e382 97private:
a823f01b 98 enum {kNmaxPID=30};
5720c765 99
a94c2e7e 100 TBits *fUsedVars; // list of used variables
8df8e382 101 DetType fDetType[kNmaxPID]; //detector type of nsigma cut
102 AliPID::EParticleType fPartType[kNmaxPID]; //particle type
103 Float_t fNsigmaLow[kNmaxPID]; //lower nsigma bound
104 Float_t fNsigmaUp[kNmaxPID]; //upper nsigma bound
5720c765 105 Double_t fmin[kNmaxPID]; //lower cut limit
106 Double_t fmax[kNmaxPID]; //upper cut limit
8df8e382 107 Bool_t fExclude[kNmaxPID]; //use as exclusion band
108 TF1 *fFunUpperCut[kNmaxPID];//use function as upper cut
109 TF1 *fFunLowerCut[kNmaxPID];//use function as lower cut
110 UChar_t fNcuts; //number of cuts
61d106d3 111 UChar_t fRequirePIDbit[kNmaxPID]; //How to make use of the pid bit (see)
5720c765 112 UShort_t fActiveCuts[kNmaxPID]; // list of activated cuts
88204efa 113 Double_t fSigmaFunLow[kNmaxPID]; // lower bound for fFunSigma
114 Double_t fSigmaFunUp[kNmaxPID]; // upper bound for fFunSigma
115 TF1 *fFunSigma[kNmaxPID]; // use function as cut range
8c2440d0 116 AliDielectronVarCuts *fVarCuts[kNmaxPID]; // varcuts
8df8e382 117
5720c765 118 AliPIDResponse *fPIDResponse; //! pid response object
2a14a7b1 119
48609e3d 120 static TGraph *fgFitCorr; //spline fit object to correct the nsigma deviation in the TPC electron band
121 static Double_t fgCorr; //!correction value for current run. Set if fgFitCorr is set and SetCorrVal(run)
122 // was called
d327d9cd 123 static Double_t fgCorrdEdx; //!dEdx correction value for current run. Set if fgFitCorr is set and SetCorrVal(run)
124 // was called
5720c765 125 static TF1 *fgFunEtaCorr; //function for eta correction of electron sigma
9ad9e048 126 static TH1 *fgFunCntrdCorr; //function for correction of electron sigma (centroid)
127 static TH1 *fgFunWdthCorr; //function for correction of electron sigma (width)
d327d9cd 128 static TGraph *fgdEdxRunCorr; //run by run correction for dEdx
8c2440d0 129
9ad9e048 130 static Double_t GetPIDCorr(const AliVTrack *track, TH1 *hist);
8d42b5b9 131
5317c468 132 THnBase* fMapElectronCutLow[kNmaxPID]; //map for the electron lower cut in units of n-sigma widths 1 centered to zero
ffbede40 133 Bool_t IsSelectedITS(AliVTrack * const part, Int_t icut);
5317c468 134 Bool_t IsSelectedTPC(AliVTrack * const part, Int_t icut, Double_t *values);
ffbede40 135 Bool_t IsSelectedTRD(AliVTrack * const part, Int_t icut);
6d5dea7c 136 Bool_t IsSelectedTRDeleEff(AliVTrack * const part, Int_t icut, AliTRDPIDResponse::ETRDPIDMethod PIDmethod=AliTRDPIDResponse::kLQ1D);
ffbede40 137 Bool_t IsSelectedTOF(AliVTrack * const part, Int_t icut);
5720c765 138 Bool_t IsSelectedEMCAL(AliVTrack * const part, Int_t icut);
8df8e382 139
8df8e382 140 AliDielectronPID(const AliDielectronPID &c);
141 AliDielectronPID &operator=(const AliDielectronPID &c);
142
a94c2e7e 143 ClassDef(AliDielectronPID,7) // Dielectron PID
8df8e382 144};
145
8df8e382 146#endif