Recesses in synch with MUON
[u/mrichter/AliRoot.git] / PHOS / AliPHOSPIDv1.h
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26d4b141 1#ifndef ALIPHOSPIDV1_H
2#define ALIPHOSPIDV1_H
6ad0bfa0 3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
b2a60966 8
9//_________________________________________________________________________
10// Implementation version v1 of the PHOS particle identifier
148b2bba 11// Identification is based on information from CPV and EMC
2f04ed65 12// Oh yeah
148b2bba 13//*-- Author: Yves Schutz (SUBATECH), Gustavo Conesa.
6ad0bfa0 14
15// --- ROOT system ---
7acf6008 16class TVector3 ;
e3817e5f 17class TMatrix ;
148b2bba 18class TPrincipal ;
c947e71a 19class TROOT ;
20class TTree ;
21class TCanvas ;
22class TFolder ;
23class TMatrixD ;
acb5beb7 24class TFormula;
6ad0bfa0 25// --- Standard library ---
6ad0bfa0 26// --- AliRoot header files ---
7acf6008 27class AliPHOSEmcRecPoint ;
8d4608b5 28class AliPHOSCpvRecPoint ;
c947e71a 29class AliPHOSClusterizerv1 ;
30class AliPHOSTrackSegmentMakerv1 ;
6ad0bfa0 31
26d4b141 32#include "AliPHOSPID.h"
35adb638 33#include "AliESDtrack.h"
26d4b141 34class AliPHOSPIDv1 : public AliPHOSPID {
50739f15 35
e3817e5f 36public:
50739f15 37
88cb7938 38 AliPHOSPIDv1() ; // ctor
e191bb57 39 AliPHOSPIDv1(const TString alirunFileNameFile, const TString eventFolderName = AliConfig::GetDefaultEventFolderName()) ;
88cb7938 40 AliPHOSPIDv1(const AliPHOSPIDv1 & pid) ; // cpy ctor
e3817e5f 41
7acf6008 42 virtual ~AliPHOSPIDv1() ; // dtor
50739f15 43
eabde521 44 virtual void Exec(Option_t *option); // Does the job
e3817e5f 45
46 //Get file name that contain the PCA
47 const TString GetFileNamePrincipal(TString particle) const;
48
49 //Get file name that contain PID parameters
50 const TString GetFileNameParameters() const {return fFileNameParameters ;}
51
52 // Get number of rec.particles in this run
fc7e2f43 53 virtual Int_t GetRecParticlesInRun() const {return fRecParticlesInRun ;}
e3817e5f 54
35adb638 55
e3817e5f 56 // Get PID parameters as they are defined in fParameters
fc7e2f43 57 Float_t GetParameterCalibration (Int_t i) const;
58 Float_t GetParameterCpv2Emc (Int_t i, TString axis) const;
59 Float_t GetParameterTimeGate (Int_t i) const;
60 Float_t GetParameterToCalculateEllipse(TString particle, TString param, Int_t i) const ;
61 Float_t GetParameterPhotonBoundary (Int_t i) const;
62 Float_t GetParameterPi0Boundary (Int_t i) const;
e3817e5f 63
64 // Get energy-dependent PID parameters
fc7e2f43 65 Float_t GetCalibratedEnergy (Float_t e) const;
66 Float_t GetCpv2EmcDistanceCut (TString axis, Float_t e) const ;
67 Float_t GetEllipseParameter (TString particle, TString param, Float_t e) const;
e3817e5f 68
c947e71a 69 //Do bayesian PID
70 void SetBayesianPID(Bool_t set){ fBayesian = set ;}
71
e3817e5f 72 // Set PID parameters to change appropriate element of fParameters
73 void SetParameterCalibration (Int_t i, Float_t param);
74 void SetParameterCpv2Emc (Int_t i, TString axis, Float_t cut) ;
75 void SetParameterTimeGate (Int_t i, Float_t gate) ;
76 void SetParameterToCalculateEllipse(TString particle, TString param, Int_t i, Float_t value) ;
77 void SetParameterPhotonBoundary(Int_t i, Float_t param);
78 void SetParameterPi0Boundary (Int_t i, Float_t param);
79
adcca1e6 80 //Switch to "on flyght" mode, without writing to TreeR and file
5d0435dd 81 void SetWriting(Bool_t toWrite = kFALSE){fWrite = toWrite;}
88cb7938 82 void Print() const ;
e3817e5f 83
8e8eae84 84 virtual const char * Version() const { return "pid-v1" ; }
e3817e5f 85
8c140292 86 AliPHOSPIDv1 & operator = (const AliPHOSPIDv1 & /*pid*/) { return *this ;}
e3817e5f 87
88private:
50739f15 89
c6987a88 90 const TString BranchName() const ;
e3817e5f 91 virtual void Init() ;
92 virtual void InitParameters() ;
93 void MakeRecParticles(void ) ;
35adb638 94 void MakePID(void) ;
95
96 //Functions to calculate the PID probability
97 // Double_t ChargedHadronDistProb(Double_t x, Double_t y, Double_t * parg, Double_t * parl) ;
17323043 98 Double_t GausF (Double_t x, Double_t y, Double_t *par) ; //gaussian probability, parameter dependence a+b/(x*x)+c/x
99 Double_t GausPol2(Double_t x, Double_t y, Double_t *par) ; //gaussian probability, parameter dependence a+b*x+c*x*x
100 Double_t LandauF(Double_t x, Double_t y, Double_t *par) ; //gaussian probability, parameter dependence a+b/(x*x)+c/x
101 Double_t LandauPol2(Double_t x, Double_t y, Double_t *par) ; //gaussian probability, parameter dependence a+b*x+c*x*x
2cc71c1e 102 // Relative Distance CPV-EMC
8d4608b5 103 Float_t GetDistance (AliPHOSEmcRecPoint * emc, AliPHOSCpvRecPoint * cpv, Option_t * axis)const ;
104 Int_t GetCPVBit (AliPHOSEmcRecPoint * emc, AliPHOSCpvRecPoint * cpv, Int_t EffPur, Float_t e) const;
fc7e2f43 105 Int_t GetPrincipalBit (TString particle, const Double_t* P, Int_t EffPur, Float_t e)const ; //Principal cut
106 Int_t GetHardPhotonBit(AliPHOSEmcRecPoint * emc) const;
107 Int_t GetHardPi0Bit (AliPHOSEmcRecPoint * emc) const;
8d4608b5 108 TVector3 GetMomentumDirection(AliPHOSEmcRecPoint * emc, AliPHOSCpvRecPoint * cpv)const ;
e3817e5f 109 void PrintRecParticles(Option_t * option) ;
90cceaf6 110 virtual void WriteRecParticles() ;
e3817e5f 111 void SetParameters() ; //Fills the matrix of parameters
adcca1e6 112 void Unload();
e3817e5f 113
35adb638 114 //PID population
115 void SetInitPID(const Double_t * pid) ;
116 void GetInitPID(Double_t * pid) const ;
e3817e5f 117
35adb638 118private:
119 Bool_t fBayesian ; // Do PID bayesian
e3817e5f 120 Bool_t fDefaultInit; //! kTRUE if the task was created by defaut ctor (only parameters are initialized)
adcca1e6 121 Bool_t fWrite ; //! To write result to file
e3817e5f 122 Int_t fNEvent ; //! current event number
123 TString fFileNamePrincipalPhoton ; // File name of the photon principals
124 TString fFileNamePrincipalPi0 ; // File name of the pi0 principals
125 TString fFileNameParameters ; // File name with PID parameters
126 TPrincipal *fPrincipalPhoton ; //! TPrincipal from photon pca file
127 TPrincipal *fPrincipalPi0 ; //! TPrincipal from pi0 pca file
128 Double_t *fX ; //! Shower shape for the principal data
129 Double_t *fPPhoton ; //! Principal photon eigenvalues
130 Double_t *fPPi0 ; //! Principal pi0 eigenvalues
131 Int_t fRecParticlesInRun ; //! Total number of recparticles in one run
132 TMatrix *fParameters; //! Matrix of identification Parameters
cc1fe362 133
35adb638 134 //Initial pid population
304864ab 135 Double_t fInitPID[AliPID::kSPECIESN] ; // Initial population to do bayesian PID
35adb638 136 // pid probability function parameters
137 // ToF
138 Double_t fTphoton[3] ; // gaussian tof response for photon
139 TFormula * fTFphoton ; // the formula
140/* Double_t fTelectron[3] ; // gaussian tof response for electrons */
141/* TFormula * fTFelectron ; // the formula */
142/* Double_t fTmuon[3] ; // gaussian tof response for muon */
143/* TFormula * fTFmuon ; // the formula */
144 Double_t fTpiong[3] ; // gaussian tof response for pions
145 TFormula * fTFpiong ; // the formula
146/* Double_t fTpionl[3] ; // gaussian tof response for pions */
147/* TFormula * fTFpionl ; // the formula */
148 Double_t fTkaong[3] ; // landau tof response for kaons
149 TFormula * fTFkaong ; // the formula
150 Double_t fTkaonl[3] ; // landau tof response for kaons
151 TFormula * fTFkaonl ; // the formula
152 Double_t fThhadrong[3] ; // gaus tof response for heavy hadrons
153 TFormula * fTFhhadrong ; // the formula
154 Double_t fThhadronl[3] ; // landau tof response for heavy hadrons
155 TFormula * fTFhhadronl ; // the formula
156 /* Double_t fTpion[9] ; // gaussian tof response for pions */
157/* Double_t fTkaon[9] ; // landau tof response for kaons */
158/* Double_t fThhadron[9] ; // landau tof response for nucleons */
159
160 //Shower dispersion
161 Double_t fDmuon[3] ; // gaussian ss response for muon
162 TFormula * fDFmuon ; // the formula
163 Double_t fDphoton[9] ; // gaussian ss response for EM
164 Double_t fDpi0[9] ; // gaussian ss response for pi0
165 Double_t fDhadron[9] ; // gaussian ss response for hadrons
166
167 // gaussian ss response for muons
168 //CPV-EMCAL distance
c947e71a 169/* Double_t fCPVelectron[9] ; // gaussian emc-cpv distance response for electron */
170/* Double_t fCPVcharged[9] ; // landau emc-cpv distance response for charged part (no elect) */
171 Double_t fXelectron[9] ; // gaussian emc-cpv distance response for electron
172 Double_t fXcharged[9] ; // landau emc-cpv distance response for charged part (no elect) */
173 Double_t fZelectron[9] ; // gaussian emc-cpv distance response for electron
174 Double_t fZcharged[9] ; // landau emc-cpv distance response for charged part (no elect) */
175
35adb638 176/* Double_t fCPVchargedg[9] ; // gaussian emc-cpv distance response for charged part (no elect) */
177/* Double_t fCPVchargedl[9] ; // landau emc-cpv distance response for charged part (no elect) */
cc1fe362 178
c947e71a 179 ClassDef( AliPHOSPIDv1,11) // Particle identifier implementation version 1
6ad0bfa0 180
181};
182
26d4b141 183#endif // AliPHOSPIDV1_H