X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=PHOS%2FAliPHOSPIDv1.h;h=3e7ff285e1fbc0d68f5d230170a2172ba19b27eb;hb=9c4e14d709c89b3e75ee67ba7bda917c6612fcf7;hp=d8be9467450686a29cc1f7cfbc7e0cd3a7911f76;hpb=b2a609669e35c09c3298f41c1cf13e86bdcbb39d;p=u%2Fmrichter%2FAliRoot.git diff --git a/PHOS/AliPHOSPIDv1.h b/PHOS/AliPHOSPIDv1.h index d8be9467450..3e7ff285e1f 100644 --- a/PHOS/AliPHOSPIDv1.h +++ b/PHOS/AliPHOSPIDv1.h @@ -5,43 +5,193 @@ /* $Id$ */ +/* History of cvs commits: + * + * $Log$ + * Revision 1.60 2007/04/01 15:40:15 kharlov + * Correction for actual vertex position implemented + * + * Revision 1.59 2007/03/06 06:57:46 kharlov + * DP:calculation of distance to CPV done in TSM + * + * Revision 1.58 2006/04/12 11:32:03 alibrary + * Simplification of Makefile and some small corrections + * + * Revision 1.57 2006/01/23 17:51:48 hristov + * Using the recommended way of forward declarations for TVector and TMatrix (see v5-08-00 release notes). Additional clean-up + * + * Revision 1.56 2005/05/28 14:19:04 schutz + * Compilation warnings fixed by T.P. + * + */ //_________________________________________________________________________ // Implementation version v1 of the PHOS particle identifier -// Identification is based on information from PPSD and EMC -// -//*-- Author: Yves Schutz (SUBATECH) - -// --- ROOT system --- +// Identification is based on information from CPV and EMC +// Oh yeah +//*-- Author: Yves Schutz (SUBATECH), Gustavo Conesa. // --- Standard library --- -// --- AliRoot header files --- +// --- ROOT system --- +class TCanvas ; +class TFolder ; +class TFormula; +class TPrincipal ; +class TROOT ; +class TTree ; +#include "TVector3.h" +#include +// --- AliRoot header files --- +class AliPHOSClusterizerv1 ; +class AliPHOSCpvRecPoint ; +class AliPHOSEmcRecPoint ; +class AliPHOSTrackSegment ; +class AliPHOSTrackSegmentMakerv1 ; #include "AliPHOSPID.h" +#include "AliPID.h" class AliPHOSPIDv1 : public AliPHOSPID { - + public: - - AliPHOSPIDv1(): fCutOnDispersion(1.5){} - virtual ~ AliPHOSPIDv1(){} ; // dtor - - virtual void MakeParticles(TrackSegmentsList * trsl, RecParticlesList * rpl ) ; // does the job - void Print() ; - virtual void SetDispersionCutOff(Float_t Dcut) {fCutOnDispersion = Dcut ; } - virtual void SetShowerProfileCuts(Float_t l1m, Float_t l1M, Float_t l2m, Float_t l2M) ; - - private: - - // cuts on the shower profile - Float_t fLambda1m ; // minimum value for first elips axis - Float_t fLambda1M ; // maximum value for first elips axis - Float_t fLambda2m ; // minimum value for second elips axis - Float_t fLambda2M ; // maximum value for second elips axis - Float_t fCutOnDispersion ; // cut on the shower dispersion to distinguish hadronic from EM showers - - ClassDef( AliPHOSPIDv1,1) // Particle identifier implementation version 1 + + AliPHOSPIDv1() ; // ctor + AliPHOSPIDv1(AliPHOSGeometry *geom); + AliPHOSPIDv1(const AliPHOSPIDv1 & pid) ; // cpy ctor + + virtual ~AliPHOSPIDv1() ; // dtor + + virtual void TrackSegments2RecParticles(Option_t *option); // Does the job + + //Get file name that contain the PCA + const TString GetFileNamePrincipal(TString particle) const; + + //Get file name that contain PID parameters + const TString GetFileNameParameters() const {return fFileNameParameters ;} + + // 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; + + // Get energy-dependent PID parameters + 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 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); + + 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 ; + + void GetVertex(void) ; //Extracts vertex in current event + + virtual const char * Version() const { return "pid-v1" ; } + + AliPHOSPIDv1 & operator = (const AliPHOSPIDv1 & /*pid*/) { return *this ;} + +private: + + virtual void InitParameters() ; + void MakeRecParticles(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 + Int_t GetCPVBit (AliPHOSTrackSegment * ts, 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) ; + void SetParameters() ; //Fills the matrix of parameters + + //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 + 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 + TMatrixF *fParameters; //! Matrix of identification Parameters + + TVector3 fVtx ; //! Vertex position in current event + + //Initial pid population + Double_t fInitPID[AliPID::kSPECIESCN] ; // 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( AliPHOSPIDv1,13) // Particle identifier implementation version 1 };