/* $Id$ */
+/* History of cvs commits:
+ *
+ * $Log$
+ */
//_________________________________________________________________________
// Implementation version v1 of the PHOS particle identifier
class TVector3 ;
class TMatrix ;
class TPrincipal ;
-
+class TROOT ;
+class TTree ;
+class TCanvas ;
+class TFolder ;
+class TMatrixD ;
+class TFormula;
// --- Standard library ---
-
// --- AliRoot header files ---
class AliPHOSEmcRecPoint ;
class AliPHOSCpvRecPoint ;
+class AliPHOSClusterizerv1 ;
+class AliPHOSTrackSegmentMakerv1 ;
#include "AliPHOSPID.h"
-
+#include "AliPID.h"
class AliPHOSPIDv1 : public AliPHOSPID {
public:
// Get number of rec.particles in this run
virtual Int_t GetRecParticlesInRun() const {return fRecParticlesInRun ;}
+
// Get PID parameters as they are defined in fParameters
Float_t GetParameterCalibration (Int_t i) const;
Float_t GetParameterCpv2Emc (Int_t i, TString axis) const;
Float_t GetCpv2EmcDistanceCut (TString axis, Float_t e) const ;
Float_t GetEllipseParameter (TString particle, TString param, Float_t e) const;
+ Double_t GetThresholdChargedNeutral () const {return fChargedNeutralThreshold;}
+ Float_t GetTOFEnergyThreshold () const {return fTOFEnThreshold;}
+ Float_t GetDispersionEnergyThreshold () const {return fDispEnThreshold;}
+ Int_t GetDispersionMultiplicityThreshold () const {return fDispMultThreshold;}
+
+ //Do bayesian PID
+ void SetBayesianPID(Bool_t set){ fBayesian = set ;}
+
// Set PID parameters to change appropriate element of fParameters
void SetParameterCalibration (Int_t i, Float_t param);
void SetParameterCpv2Emc (Int_t i, TString axis, Float_t cut) ;
void SetParameterPhotonBoundary(Int_t i, Float_t param);
void SetParameterPi0Boundary (Int_t i, Float_t param);
- void Print() const ;
+ void SetThresholdChargedNeutral (Double_t th) {fChargedNeutralThreshold = th;}
+ void SetTOFEnergyThreshold (Float_t th) {fTOFEnThreshold = th;}
+ void SetDispersionEnergyThreshold (Float_t th) {fDispEnThreshold = th;}
+ void SetDispersionMultiplicityThreshold (Int_t th) {fDispMultThreshold = th;}
+
+ //Switch to "on flyght" mode, without writing to TreeR and file
+ void SetWriting(Bool_t toWrite = kFALSE){fWrite = toWrite;}
+ void Print(const Option_t * = "") const ;
virtual const char * Version() const { return "pid-v1" ; }
virtual void Init() ;
virtual void InitParameters() ;
void MakeRecParticles(void ) ;
- void MakePID(void ) ;
+ void MakePID(void) ;
+
+ //Functions to calculate the PID probability
+ // Double_t ChargedHadronDistProb(Double_t x, Double_t y, Double_t * parg, Double_t * parl) ;
+ Double_t GausF (Double_t x, Double_t y, Double_t *par) ; //gaussian probability, parameter dependence a+b/(x*x)+c/x
+ Double_t GausPol2(Double_t x, Double_t y, Double_t *par) ; //gaussian probability, parameter dependence a+b*x+c*x*x
+ Double_t LandauF(Double_t x, Double_t y, Double_t *par) ; //gaussian probability, parameter dependence a+b/(x*x)+c/x
+ Double_t LandauPol2(Double_t x, Double_t y, Double_t *par) ; //gaussian probability, parameter dependence a+b*x+c*x*x
// Relative Distance CPV-EMC
Float_t GetDistance (AliPHOSEmcRecPoint * emc, AliPHOSCpvRecPoint * cpv, Option_t * axis)const ;
Int_t GetCPVBit (AliPHOSEmcRecPoint * emc, AliPHOSCpvRecPoint * cpv, Int_t EffPur, Float_t e) const;
void PrintRecParticles(Option_t * option) ;
virtual void WriteRecParticles() ;
void SetParameters() ; //Fills the matrix of parameters
- void Unload();
+ void Unload();
-private:
+ //PID population
+ void SetInitPID(const Double_t * pid) ;
+ void GetInitPID(Double_t * pid) const ;
+private:
+ Bool_t fBayesian ; // Do PID bayesian
Bool_t fDefaultInit; //! kTRUE if the task was created by defaut ctor (only parameters are initialized)
+ Bool_t fWrite ; //! To write result to file
Int_t fNEvent ; //! current event number
TString fFileNamePrincipalPhoton ; // File name of the photon principals
TString fFileNamePrincipalPi0 ; // File name of the pi0 principals
Int_t fRecParticlesInRun ; //! Total number of recparticles in one run
TMatrix *fParameters; //! Matrix of identification Parameters
-
- ClassDef( AliPHOSPIDv1,9) // Particle identifier implementation version 1
+ //Initial pid population
+ Double_t fInitPID[AliPID::kSPECIESN] ; // Initial population to do bayesian PID
+ // pid probability function parameters
+ // ToF
+ Double_t fTphoton[3] ; // gaussian tof response for photon
+ TFormula * fTFphoton ; // the formula
+ Double_t fTpiong[3] ; // gaussian tof response for pions
+ TFormula * fTFpiong ; // the formula
+ Double_t fTkaong[3] ; // landau tof response for kaons
+ TFormula * fTFkaong ; // the formula
+ Double_t fTkaonl[3] ; // landau tof response for kaons
+ TFormula * fTFkaonl ; // the formula
+ Double_t fThhadrong[3] ; // gaus tof response for heavy hadrons
+ TFormula * fTFhhadrong ; // the formula
+ Double_t fThhadronl[3] ; // landau tof response for heavy hadrons
+ TFormula * fTFhhadronl ; // the formula
+
+ //Shower dispersion
+ Double_t fDmuon[3] ; // gaussian ss response for muon
+ TFormula * fDFmuon ; // the formula
+ Double_t fDphoton[10] ; // gaussian ss response for EM
+ Double_t fDpi0[10] ; // gaussian ss response for pi0
+ Double_t fDhadron[10] ; // gaussian ss response for hadrons
+
+ Double_t fXelectron[10] ; // gaussian emc-cpv distance response for electron
+ Double_t fXcharged[10] ; // landau emc-cpv distance response for charged part (no elect) */
+ Double_t fZelectron[10] ; // gaussian emc-cpv distance response for electron
+ Double_t fZcharged[10] ; // landau emc-cpv distance response for charged part (no elect) */
+
+
+ Double_t fERecWeightPar[4] ; // gaussian tof response for photon
+ TFormula * fERecWeight ; // the formula
+ Double_t fChargedNeutralThreshold ; //Threshold to differentiate between charged and neutral
+ Float_t fTOFEnThreshold; //Maximum energy to use TOF
+ Float_t fDispEnThreshold; //Minimum energy to use shower shape
+ Int_t fDispMultThreshold ; //Minimum multiplicity to use shower shape
+
+ ClassDef( AliPHOSPIDv1,12) // Particle identifier implementation version 1
};
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff