//_________________________________________________________________________
// Implementation version v1 of the PHOS particle identifier
-// Identification is based on information from PPSD and EMC
+// Identification is based on information from CPV and EMC
// Oh yeah
-//*-- Author: Yves Schutz (SUBATECH)
+//*-- Author: Yves Schutz (SUBATECH), Gustavo Conesa.
// --- ROOT system ---
-class TFormula ;
class TVector3 ;
+class TMatrix ;
+class TPrincipal ;
// --- Standard library ---
// --- AliRoot header files ---
class AliPHOSEmcRecPoint ;
-class AliPHOSRecPoint ;
+class AliPHOSCpvRecPoint ;
#include "AliPHOSPID.h"
class AliPHOSPIDv1 : public AliPHOSPID {
-
+
public:
-
- AliPHOSPIDv1() ; // ctor
- AliPHOSPIDv1(const char* headerFile, const char * tsBranch = 0) ;
+
+ AliPHOSPIDv1() ; // ctor
+ AliPHOSPIDv1(const TString alirunFileNameFile, const TString eventFolderName = AliConfig::GetDefaultEventFolderName()) ;
+ AliPHOSPIDv1(const AliPHOSPIDv1 & pid) ; // cpy ctor
+
virtual ~AliPHOSPIDv1() ; // dtor
-
- virtual void Exec(Option_t * option);
- virtual char * GetRecParticlesBranch()const {return (char*) fRecparticlesTitle.Data() ;}
- virtual char * GetTrackSegmentsBranch()const{return (char*) fTSTitle.Data(); }
-
- virtual void Init() ;
-
- virtual void PlotDispersionCuts()const ;
-
- virtual void Print(Option_t * option)const ;
- virtual Bool_t ReadTrackSegments() ;
-
- virtual void SetIdentificationMethod(char * option = "CPV DISP" ){fIDOptions = option ;}
+ virtual void Exec(Option_t *option); // Does the job
- virtual void SetShowerProfileCut(char * formula =
- "0.35*0.35 - (x-1.386)*(x-1.386) - 1.707*1.707*(y-1.008)*(y-1.008)") ;
+ //Get file name that contain the PCA
+ const TString GetFileNamePrincipal(TString particle) const;
- virtual void SetDispersionCut(Float_t cut){fDispersion = cut ; }
- virtual void SetCpvtoEmcDistanceCut(Float_t cut ) {fCpvEmcDistance = cut ;}
- virtual void SetTrackSegmentsBranch(const char* title) { fTSTitle = title;}
- virtual void SetRecParticlesBranch (const char* title) { fRecparticlesTitle = title;}
+ //Get file name that contain PID parameters
+ const TString GetFileNameParameters() const {return fFileNameParameters ;}
- virtual void WriteRecParticles() ;
-
+ // Get number of rec.particles in this run
+ virtual Int_t GetRecParticlesInRun() const {return fRecParticlesInRun ;}
- private:
- void MakeRecParticles(void ) ;
- Float_t GetDistance(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv, Option_t * Axis)const ;
- // Relative Distance PPSD-EMC
- TVector3 GetMomentumDirection(AliPHOSEmcRecPoint * emc, AliPHOSRecPoint * cpv, AliPHOSRecPoint * ppsd)const ;
+ // 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 GetParameterTimeGate (Int_t i) const;
+ Float_t GetParameterToCalculateEllipse(TString particle, TString param, Int_t i) const ;
+ Float_t GetParameterPhotonBoundary (Int_t i) const;
+ Float_t GetParameterPi0Boundary (Int_t i) const;
- void PrintRecParticles(Option_t * option) ;
+ // Get energy-dependent PID parameters
+ Float_t GetCalibratedEnergy (Float_t e) const;
+ Float_t GetCpv2EmcDistanceCut (TString axis, Float_t e) const ;
+ Float_t GetEllipseParameter (TString particle, TString param, Float_t e) const;
- private:
+ // 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 SetParameterTimeGate (Int_t i, Float_t gate) ;
+ void SetParameterToCalculateEllipse(TString particle, TString param, Int_t i, Float_t value) ;
+ void SetParameterPhotonBoundary(Int_t i, Float_t param);
+ void SetParameterPi0Boundary (Int_t i, Float_t param);
- TString fHeaderFileName ;
- TString fTSTitle;
- TString fRecPointsTitle ;
- TString fRecparticlesTitle ;
+ void Print() const ;
- TString fIDOptions ;
+ virtual const char * Version() const { return "pid-v1" ; }
- Int_t fNEvent ;
- TObjArray * fEmcRecPoints ; // ! initial EMC RecPoints
- TObjArray * fCpvRecPoints ; // ! initial CPV RecPoints
- TClonesArray * fTrackSegments; // ! initial list of TrackSegments
- TClonesArray * fRecParticles ; // ! output
-
- AliPHOSClusterizer * fClusterizer ; // !
- AliPHOSTrackSegmentMaker * fTSMaker ; // !
-
- AliPHOSGeometry * fGeom ; // !pointer to PHOS geometry
- TFormula * fFormula ; // formula to define cut on the shouer elips axis
- Float_t fDispersion ; // dispersion cut
- Float_t fCpvEmcDistance ;
-
- Bool_t fIsInitialized ;
-
-
-
-
- ClassDef( AliPHOSPIDv1,1) // Particle identifier implementation version 1
+ AliPHOSPIDv1 & operator = (const AliPHOSPIDv1 & /*pid*/) { return *this ;}
+
+private:
+
+ const TString BranchName() const ;
+ virtual void Init() ;
+ virtual void InitParameters() ;
+ void MakeRecParticles(void ) ;
+ void MakePID(void ) ;
+ // 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;
+ Int_t GetPrincipalBit (TString particle, const Double_t* P, Int_t EffPur, Float_t e)const ; //Principal cut
+ Int_t GetHardPhotonBit(AliPHOSEmcRecPoint * emc) const;
+ Int_t GetHardPi0Bit (AliPHOSEmcRecPoint * emc) const;
+ TVector3 GetMomentumDirection(AliPHOSEmcRecPoint * emc, AliPHOSCpvRecPoint * cpv)const ;
+ void PrintRecParticles(Option_t * option) ;
+ virtual void WriteRecParticles() ;
+ void SetParameters() ; //Fills the matrix of parameters
+ void Unload();
+
+private:
+
+ Bool_t fDefaultInit; //! kTRUE if the task was created by defaut ctor (only parameters are initialized)
+ Int_t fNEvent ; //! current event number
+ TString fFileNamePrincipalPhoton ; // File name of the photon principals
+ TString fFileNamePrincipalPi0 ; // File name of the pi0 principals
+ TString fFileNameParameters ; // File name with PID parameters
+ TPrincipal *fPrincipalPhoton ; //! TPrincipal from photon pca file
+ TPrincipal *fPrincipalPi0 ; //! TPrincipal from pi0 pca file
+ Double_t *fX ; //! Shower shape for the principal data
+ Double_t *fPPhoton ; //! Principal photon eigenvalues
+ Double_t *fPPi0 ; //! Principal pi0 eigenvalues
+ Int_t fRecParticlesInRun ; //! Total number of recparticles in one run
+ TMatrix *fParameters; //! Matrix of identification Parameters
+ // response function parameters
+ // ToF
+ Double_t fTphoton[3] ; // gaussian response for photon
+ TFormula * fTFphoton ; // the formula
+ Double_t fTelectron[3] ; // gaussian response for electrons
+ TFormula * fTFelectron ; // the formula
+ Double_t fTchargedhadron[3] ; // landau response for charged hadrons
+ TFormula * fTFchargedhadron ; // the formula
+ Double_t fTneutralhadron[3] ; // landau response for neutral hadrons
+ TFormula * fTFneutralhadron ; // the formula
+
+
+ ClassDef( AliPHOSPIDv1,10) // Particle identifier implementation version 1
};
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff