]>
Commit | Line | Data |
---|---|---|
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 | ||
702ab87e | 8 | /* History of cvs commits: |
9 | * | |
10 | * $Log$ | |
26aa7e4a | 11 | * Revision 1.58 2006/04/12 11:32:03 alibrary |
12 | * Simplification of Makefile and some small corrections | |
13 | * | |
8faf5ae4 | 14 | * Revision 1.57 2006/01/23 17:51:48 hristov |
15 | * Using the recommended way of forward declarations for TVector and TMatrix (see v5-08-00 release notes). Additional clean-up | |
16 | * | |
e8d02863 | 17 | * Revision 1.56 2005/05/28 14:19:04 schutz |
18 | * Compilation warnings fixed by T.P. | |
19 | * | |
702ab87e | 20 | */ |
b2a60966 | 21 | |
22 | //_________________________________________________________________________ | |
23 | // Implementation version v1 of the PHOS particle identifier | |
148b2bba | 24 | // Identification is based on information from CPV and EMC |
2f04ed65 | 25 | // Oh yeah |
148b2bba | 26 | //*-- Author: Yves Schutz (SUBATECH), Gustavo Conesa. |
6ad0bfa0 | 27 | |
8faf5ae4 | 28 | // --- Standard library --- |
e8d02863 | 29 | |
8faf5ae4 | 30 | // --- ROOT system --- |
c947e71a | 31 | class TCanvas ; |
32 | class TFolder ; | |
acb5beb7 | 33 | class TFormula; |
8faf5ae4 | 34 | class TPrincipal ; |
35 | class TROOT ; | |
36 | class TTree ; | |
37 | class TVector3 ; | |
38 | #include <TMatrixDfwd.h> | |
39 | ||
6ad0bfa0 | 40 | // --- AliRoot header files --- |
c947e71a | 41 | class AliPHOSClusterizerv1 ; |
8faf5ae4 | 42 | class AliPHOSCpvRecPoint ; |
43 | class AliPHOSEmcRecPoint ; | |
26aa7e4a | 44 | class AliPHOSTrackSegment ; |
c947e71a | 45 | class AliPHOSTrackSegmentMakerv1 ; |
26d4b141 | 46 | #include "AliPHOSPID.h" |
fb7b51ad | 47 | #include "AliPID.h" |
8faf5ae4 | 48 | |
26d4b141 | 49 | class AliPHOSPIDv1 : public AliPHOSPID { |
50739f15 | 50 | |
e3817e5f | 51 | public: |
50739f15 | 52 | |
88cb7938 | 53 | AliPHOSPIDv1() ; // ctor |
e191bb57 | 54 | AliPHOSPIDv1(const TString alirunFileNameFile, const TString eventFolderName = AliConfig::GetDefaultEventFolderName()) ; |
88cb7938 | 55 | AliPHOSPIDv1(const AliPHOSPIDv1 & pid) ; // cpy ctor |
e3817e5f | 56 | |
7acf6008 | 57 | virtual ~AliPHOSPIDv1() ; // dtor |
50739f15 | 58 | |
eabde521 | 59 | virtual void Exec(Option_t *option); // Does the job |
e3817e5f | 60 | |
61 | //Get file name that contain the PCA | |
62 | const TString GetFileNamePrincipal(TString particle) const; | |
63 | ||
64 | //Get file name that contain PID parameters | |
65 | const TString GetFileNameParameters() const {return fFileNameParameters ;} | |
66 | ||
67 | // Get number of rec.particles in this run | |
fc7e2f43 | 68 | virtual Int_t GetRecParticlesInRun() const {return fRecParticlesInRun ;} |
e3817e5f | 69 | |
35adb638 | 70 | |
e3817e5f | 71 | // Get PID parameters as they are defined in fParameters |
fc7e2f43 | 72 | Float_t GetParameterCalibration (Int_t i) const; |
73 | Float_t GetParameterCpv2Emc (Int_t i, TString axis) const; | |
74 | Float_t GetParameterTimeGate (Int_t i) const; | |
75 | Float_t GetParameterToCalculateEllipse(TString particle, TString param, Int_t i) const ; | |
76 | Float_t GetParameterPhotonBoundary (Int_t i) const; | |
77 | Float_t GetParameterPi0Boundary (Int_t i) const; | |
e3817e5f | 78 | |
79 | // Get energy-dependent PID parameters | |
fc7e2f43 | 80 | Float_t GetCalibratedEnergy (Float_t e) const; |
81 | Float_t GetCpv2EmcDistanceCut (TString axis, Float_t e) const ; | |
82 | Float_t GetEllipseParameter (TString particle, TString param, Float_t e) const; | |
e3817e5f | 83 | |
fb7b51ad | 84 | Double_t GetThresholdChargedNeutral () const {return fChargedNeutralThreshold;} |
2924941c | 85 | Float_t GetTOFEnergyThreshold () const {return fTOFEnThreshold;} |
86 | Float_t GetDispersionEnergyThreshold () const {return fDispEnThreshold;} | |
87 | Int_t GetDispersionMultiplicityThreshold () const {return fDispMultThreshold;} | |
fb7b51ad | 88 | |
c947e71a | 89 | //Do bayesian PID |
90 | void SetBayesianPID(Bool_t set){ fBayesian = set ;} | |
91 | ||
e3817e5f | 92 | // Set PID parameters to change appropriate element of fParameters |
93 | void SetParameterCalibration (Int_t i, Float_t param); | |
94 | void SetParameterCpv2Emc (Int_t i, TString axis, Float_t cut) ; | |
95 | void SetParameterTimeGate (Int_t i, Float_t gate) ; | |
96 | void SetParameterToCalculateEllipse(TString particle, TString param, Int_t i, Float_t value) ; | |
97 | void SetParameterPhotonBoundary(Int_t i, Float_t param); | |
98 | void SetParameterPi0Boundary (Int_t i, Float_t param); | |
99 | ||
fb7b51ad | 100 | void SetThresholdChargedNeutral (Double_t th) {fChargedNeutralThreshold = th;} |
2924941c | 101 | void SetTOFEnergyThreshold (Float_t th) {fTOFEnThreshold = th;} |
102 | void SetDispersionEnergyThreshold (Float_t th) {fDispEnThreshold = th;} | |
103 | void SetDispersionMultiplicityThreshold (Int_t th) {fDispMultThreshold = th;} | |
fb7b51ad | 104 | |
adcca1e6 | 105 | //Switch to "on flyght" mode, without writing to TreeR and file |
5d0435dd | 106 | void SetWriting(Bool_t toWrite = kFALSE){fWrite = toWrite;} |
702ab87e | 107 | void Print(const Option_t * = "") const ; |
e3817e5f | 108 | |
8e8eae84 | 109 | virtual const char * Version() const { return "pid-v1" ; } |
e3817e5f | 110 | |
8c140292 | 111 | AliPHOSPIDv1 & operator = (const AliPHOSPIDv1 & /*pid*/) { return *this ;} |
e3817e5f | 112 | |
113 | private: | |
50739f15 | 114 | |
c6987a88 | 115 | const TString BranchName() const ; |
e3817e5f | 116 | virtual void Init() ; |
117 | virtual void InitParameters() ; | |
118 | void MakeRecParticles(void ) ; | |
35adb638 | 119 | void MakePID(void) ; |
120 | ||
121 | //Functions to calculate the PID probability | |
122 | // Double_t ChargedHadronDistProb(Double_t x, Double_t y, Double_t * parg, Double_t * parl) ; | |
17323043 | 123 | Double_t GausF (Double_t x, Double_t y, Double_t *par) ; //gaussian probability, parameter dependence a+b/(x*x)+c/x |
124 | Double_t GausPol2(Double_t x, Double_t y, Double_t *par) ; //gaussian probability, parameter dependence a+b*x+c*x*x | |
125 | Double_t LandauF(Double_t x, Double_t y, Double_t *par) ; //gaussian probability, parameter dependence a+b/(x*x)+c/x | |
126 | Double_t LandauPol2(Double_t x, Double_t y, Double_t *par) ; //gaussian probability, parameter dependence a+b*x+c*x*x | |
2cc71c1e | 127 | // Relative Distance CPV-EMC |
26aa7e4a | 128 | Int_t GetCPVBit (AliPHOSTrackSegment * ts, Int_t EffPur, Float_t e) const; |
fc7e2f43 | 129 | Int_t GetPrincipalBit (TString particle, const Double_t* P, Int_t EffPur, Float_t e)const ; //Principal cut |
130 | Int_t GetHardPhotonBit(AliPHOSEmcRecPoint * emc) const; | |
131 | Int_t GetHardPi0Bit (AliPHOSEmcRecPoint * emc) const; | |
8d4608b5 | 132 | TVector3 GetMomentumDirection(AliPHOSEmcRecPoint * emc, AliPHOSCpvRecPoint * cpv)const ; |
e3817e5f | 133 | void PrintRecParticles(Option_t * option) ; |
90cceaf6 | 134 | virtual void WriteRecParticles() ; |
e3817e5f | 135 | void SetParameters() ; //Fills the matrix of parameters |
adcca1e6 | 136 | void Unload(); |
e3817e5f | 137 | |
35adb638 | 138 | //PID population |
139 | void SetInitPID(const Double_t * pid) ; | |
140 | void GetInitPID(Double_t * pid) const ; | |
e3817e5f | 141 | |
35adb638 | 142 | private: |
143 | Bool_t fBayesian ; // Do PID bayesian | |
e3817e5f | 144 | Bool_t fDefaultInit; //! kTRUE if the task was created by defaut ctor (only parameters are initialized) |
adcca1e6 | 145 | Bool_t fWrite ; //! To write result to file |
e3817e5f | 146 | Int_t fNEvent ; //! current event number |
147 | TString fFileNamePrincipalPhoton ; // File name of the photon principals | |
148 | TString fFileNamePrincipalPi0 ; // File name of the pi0 principals | |
149 | TString fFileNameParameters ; // File name with PID parameters | |
150 | TPrincipal *fPrincipalPhoton ; //! TPrincipal from photon pca file | |
151 | TPrincipal *fPrincipalPi0 ; //! TPrincipal from pi0 pca file | |
152 | Double_t *fX ; //! Shower shape for the principal data | |
153 | Double_t *fPPhoton ; //! Principal photon eigenvalues | |
154 | Double_t *fPPi0 ; //! Principal pi0 eigenvalues | |
155 | Int_t fRecParticlesInRun ; //! Total number of recparticles in one run | |
e8d02863 | 156 | TMatrixF *fParameters; //! Matrix of identification Parameters |
cc1fe362 | 157 | |
35adb638 | 158 | //Initial pid population |
304864ab | 159 | Double_t fInitPID[AliPID::kSPECIESN] ; // Initial population to do bayesian PID |
35adb638 | 160 | // pid probability function parameters |
161 | // ToF | |
2924941c | 162 | Double_t fTphoton[3] ; // gaussian tof response for photon |
163 | TFormula * fTFphoton ; // the formula | |
164 | Double_t fTpiong[3] ; // gaussian tof response for pions | |
165 | TFormula * fTFpiong ; // the formula | |
166 | Double_t fTkaong[3] ; // landau tof response for kaons | |
167 | TFormula * fTFkaong ; // the formula | |
168 | Double_t fTkaonl[3] ; // landau tof response for kaons | |
169 | TFormula * fTFkaonl ; // the formula | |
170 | Double_t fThhadrong[3] ; // gaus tof response for heavy hadrons | |
171 | TFormula * fTFhhadrong ; // the formula | |
172 | Double_t fThhadronl[3] ; // landau tof response for heavy hadrons | |
173 | TFormula * fTFhhadronl ; // the formula | |
35adb638 | 174 | |
175 | //Shower dispersion | |
2924941c | 176 | Double_t fDmuon[3] ; // gaussian ss response for muon |
177 | TFormula * fDFmuon ; // the formula | |
178 | Double_t fDphoton[10] ; // gaussian ss response for EM | |
179 | Double_t fDpi0[10] ; // gaussian ss response for pi0 | |
180 | Double_t fDhadron[10] ; // gaussian ss response for hadrons | |
181 | ||
182 | Double_t fXelectron[10] ; // gaussian emc-cpv distance response for electron | |
183 | Double_t fXcharged[10] ; // landau emc-cpv distance response for charged part (no elect) */ | |
184 | Double_t fZelectron[10] ; // gaussian emc-cpv distance response for electron | |
185 | Double_t fZcharged[10] ; // landau emc-cpv distance response for charged part (no elect) */ | |
186 | ||
cc1fe362 | 187 | |
fb7b51ad | 188 | Double_t fERecWeightPar[4] ; // gaussian tof response for photon |
189 | TFormula * fERecWeight ; // the formula | |
2924941c | 190 | Double_t fChargedNeutralThreshold ; //Threshold to differentiate between charged and neutral |
191 | Float_t fTOFEnThreshold; //Maximum energy to use TOF | |
192 | Float_t fDispEnThreshold; //Minimum energy to use shower shape | |
193 | Int_t fDispMultThreshold ; //Minimum multiplicity to use shower shape | |
194 | ||
195 | ClassDef( AliPHOSPIDv1,12) // Particle identifier implementation version 1 | |
6ad0bfa0 | 196 | |
197 | }; | |
198 | ||
26d4b141 | 199 | #endif // AliPHOSPIDV1_H |