X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;ds=sidebyside;f=PWG4%2FPartCorrBase%2FAliCaloPID.h;h=bf0dfa28ed205dc4104d88f54024a97707ea7bb9;hb=06f1b12a0d208f44d5e8c8d0186b1c1518a817ee;hp=88fcf593f63bea1c2dce57823422d162ae25d7a6;hpb=bbb09837a5c2ec572e8e13f47c15d740bf8cd20c;p=u%2Fmrichter%2FAliRoot.git diff --git a/PWG4/PartCorrBase/AliCaloPID.h b/PWG4/PartCorrBase/AliCaloPID.h index 88fcf593f63..bf0dfa28ed2 100755 --- a/PWG4/PartCorrBase/AliCaloPID.h +++ b/PWG4/PartCorrBase/AliCaloPID.h @@ -6,13 +6,11 @@ //_________________________________________________________________________ // Class for PID selection with calorimeters -// The Output of the 2 main methods GetPdg is a PDG number identifying the cluster, +// The Output of the main method GetIdentifiedParticleType is a PDG number identifying the cluster, // being kPhoton, kElectron, kPi0 ... as defined in the header file -// - GetPdg(const TString calo, const Double_t * pid, const Float_t energy) -// Reads the PID weights array of the ESDs and depending on its magnitude identifies the particle -// - GetPdg(const TString calo,const TLorentzVector mom, const AliVCluster * cluster) -// Recalcultes PID, the bayesian or any new one to be implemented in the future -// Right now only the possibility to recalculate EMCAL with bayesian and simple PID. +// - GetIdentifiedParticleType(const TString calo, const TLorentzVector mom, const AliVCluster * cluster) +// Assignes a PID tag to the cluster, right now there is the possibility to : use bayesian weights from reco, +// recalculate them (EMCAL) or use other procedures not used in reco. // In order to recalculate Bayesian, it is necessary to load the EMCALUtils library // and do SwitchOnBayesianRecalculation(). // To change the PID parameters from Low to High like the ones by default, use the constructor @@ -20,10 +18,13 @@ // where flux is AliCaloPID::kLow or AliCaloPID::kHigh // If it is necessary to change the parameters use the constructor // AliCaloPID(AliEMCALPIDUtils *utils) and set the parameters before. -// - SetPIDBits: Simple PID, depending on the thresholds fDispCut fTOFCut and even the + +// - GetGetIdentifiedParticleTypeFromBayesian(const TString calo, const Double_t * pid, const Float_t energy) +// Reads the PID weights array of the ESDs and depending on its magnitude identifies the particle, +// executed when bayesian is ON by GetIdentifiedParticleType(const TString calo, const TLorentzVector mom, const AliVCluster * cluster) +// - SetPIDBits: Simple PID, depending on the thresholds fLOCut fTOFCut and even the // result of the PID bayesian a different PID bit is set. // -// All these methods can be called in the analysis you are interested. // //*-- Author: Gustavo Conesa (INFN-LNF) @@ -32,14 +33,15 @@ class TString ; class TLorentzVector ; #include -class TTask; +class TList; class TH2F ; //--- AliRoot system --- class AliVCluster; class AliAODPWG4Particle; -#include "AliEMCALPIDUtils.h" +class AliEMCALPIDUtils; class AliCalorimeterUtils; +class AliVEvent; class AliCaloPID : public TObject { @@ -47,15 +49,9 @@ class AliCaloPID : public TObject { AliCaloPID() ; // ctor AliCaloPID(const Int_t particleFlux) ; // ctor, to be used when recalculating bayesian PID - AliCaloPID(const TTask * emcalpid) ; // ctor, to be used when recalculating bayesian PID and need different parameters + AliCaloPID(const TNamed * emcalpid) ; // ctor, to be used when recalculating bayesian PID and need different parameters virtual ~AliCaloPID() ;//virtual dtor - -private: - AliCaloPID & operator = (const AliCaloPID & g) ;//cpy assignment - AliCaloPID(const AliCaloPID & g) ; // cpy ctor - -public: - + enum PidType { kPhoton = 22, kPi0 = 111, @@ -70,151 +66,189 @@ public: enum TagType {kPi0Decay, kEtaDecay, kOtherDecay, kConversion, kNoTag = -1}; + // Main methods + TList * GetCreateOutputObjects(); void InitParameters(); - - Int_t GetIdentifiedParticleType(const TString calo, const Double_t * pid, const Float_t energy) ; + + Int_t GetIdentifiedParticleTypeFromBayesWeights(const TString calo, const Double_t * pid, const Float_t energy) ; Int_t GetIdentifiedParticleType(const TString calo, const TLorentzVector mom, const AliVCluster * cluster) ; - TString GetPIDParametersList(); + TString GetPIDParametersList(); - void SetPIDBits(const TString calo, const AliVCluster * cluster, AliAODPWG4Particle *aodph, const AliCalorimeterUtils* cu); + Bool_t IsTrackMatched(AliVCluster * cluster, AliCalorimeterUtils* cu, AliVEvent* event) const ; + + void SetPIDBits(const TString calo, AliVCluster * cluster, AliAODPWG4Particle *aodph, + AliCalorimeterUtils* cu, AliVEvent* event); void Print(const Option_t * opt)const; - AliEMCALPIDUtils * GetEMCALPIDUtils() {if(!fEMCALPIDUtils) fEMCALPIDUtils = new AliEMCALPIDUtils; return fEMCALPIDUtils ; } + //Check if cluster photon-like. Uses photon cluster parameterization in real pp data + //Returns distance in sigmas. Recommended cut 2.5 + Float_t TestPHOSDispersion(const Double_t pt, const Double_t m20, const Double_t m02) const ; + //Checks distance to the closest track. Takes into account + //non-perpendicular incidence of tracks. + Float_t TestPHOSChargedVeto(const Double_t dx, const Double_t dz, const Double_t ptTrack, + const Int_t chargeTrack, const Double_t mf) const ; + + // Setters, getters + + void SetDebug(Int_t deb) { fDebug = deb ; } + Int_t GetDebug() const { return fDebug ; } + + enum eventType{kLow,kHigh}; + void SetLowParticleFlux() { fParticleFlux = kLow ; } + void SetHighParticleFlux() { fParticleFlux = kHigh ; } + // not really used, only for bayesian recalculation in EMCAL, but could be useful in future + + // Bayesian + + void SwitchOnBayesian() { fUseBayesianWeights = kTRUE ; } + void SwitchOffBayesian() { fUseBayesianWeights = kFALSE; } + void SwitchOnBayesianRecalculation() { fRecalculateBayesian = kTRUE ; fUseBayesianWeights = kTRUE ;} // EMCAL + void SwitchOffBayesianRecalculation() { fRecalculateBayesian = kFALSE; } // EMCAL + + AliEMCALPIDUtils * GetEMCALPIDUtils() ; //Weight getters - Float_t GetEMCALPhotonWeight() const { return fEMCALPhotonWeight ; } - Float_t GetEMCALPi0Weight() const { return fEMCALPi0Weight ; } - Float_t GetEMCALElectronWeight() const { return fEMCALElectronWeight; } - Float_t GetEMCALChargeWeight() const { return fEMCALChargeWeight ; } - Float_t GetEMCALNeutralWeight() const { return fEMCALNeutralWeight ; } - Float_t GetPHOSPhotonWeight() const { return fPHOSPhotonWeight ; } - Float_t GetPHOSPi0Weight() const { return fPHOSPi0Weight ; } - Float_t GetPHOSElectronWeight() const { return fPHOSElectronWeight ; } - Float_t GetPHOSChargeWeight() const { return fPHOSChargeWeight ; } - Float_t GetPHOSNeutralWeight() const { return fPHOSNeutralWeight ; } - - Bool_t IsPHOSPIDWeightFormulaOn() const { return fPHOSWeightFormula ; } - - TFormula * GetPHOSPhotonWeightFormula() { + Float_t GetEMCALPhotonWeight() const { return fEMCALPhotonWeight ; } + Float_t GetEMCALPi0Weight() const { return fEMCALPi0Weight ; } + Float_t GetEMCALElectronWeight() const { return fEMCALElectronWeight ; } + Float_t GetEMCALChargeWeight() const { return fEMCALChargeWeight ; } + Float_t GetEMCALNeutralWeight() const { return fEMCALNeutralWeight ; } + Float_t GetPHOSPhotonWeight() const { return fPHOSPhotonWeight ; } + Float_t GetPHOSPi0Weight() const { return fPHOSPi0Weight ; } + Float_t GetPHOSElectronWeight() const { return fPHOSElectronWeight ; } + Float_t GetPHOSChargeWeight() const { return fPHOSChargeWeight ; } + Float_t GetPHOSNeutralWeight() const { return fPHOSNeutralWeight ; } + + Bool_t IsPHOSPIDWeightFormulaOn() const { return fPHOSWeightFormula ; } + + TFormula * GetPHOSPhotonWeightFormula() { if(!fPHOSPhotonWeightFormula) fPHOSPhotonWeightFormula = new TFormula("phos_photon_weight", fPHOSPhotonWeightFormulaExpression); - return fPHOSPhotonWeightFormula ; } + return fPHOSPhotonWeightFormula ; } - TFormula * GetPHOSPi0WeightFormula() { + TFormula * GetPHOSPi0WeightFormula() { if(!fPHOSPi0WeightFormula) fPHOSPi0WeightFormula = new TFormula("phos_pi0_weight", fPHOSPi0WeightFormulaExpression); - return fPHOSPi0WeightFormula ; } + return fPHOSPi0WeightFormula ; } - TString GetPHOSPhotonWeightFormulaExpression() const { return fPHOSPhotonWeightFormulaExpression ; } - TString GetPHOSPi0WeightFormulaExpression() const { return fPHOSPi0WeightFormulaExpression ; } + TString GetPHOSPhotonWeightFormulaExpression() const { return fPHOSPhotonWeightFormulaExpression ; } + TString GetPHOSPi0WeightFormulaExpression() const { return fPHOSPi0WeightFormulaExpression ; } //Weight setters - void SetEMCALPhotonWeight (Float_t w) { fEMCALPhotonWeight = w ; } - void SetEMCALPi0Weight (Float_t w) { fEMCALPi0Weight = w ; } - void SetEMCALElectronWeight(Float_t w) { fEMCALElectronWeight = w ; } - void SetEMCALChargeWeight (Float_t w) { fEMCALChargeWeight = w ; } - void SetEMCALNeutralWeight (Float_t w) { fEMCALNeutralWeight = w ; } - void SetPHOSPhotonWeight (Float_t w) { fPHOSPhotonWeight = w ; } - void SetPHOSPi0Weight (Float_t w) { fPHOSPi0Weight = w ; } - void SetPHOSElectronWeight (Float_t w) { fPHOSElectronWeight = w ; } - void SetPHOSChargeWeight (Float_t w) { fPHOSChargeWeight = w ; } - void SetPHOSNeutralWeight (Float_t w) { fPHOSNeutralWeight = w ; } - - void UsePHOSPIDWeightFormula (Bool_t ok ) { fPHOSWeightFormula = ok; } - void SetPHOSPhotonWeightFormulaExpression(TString ph) { fPHOSPhotonWeightFormulaExpression = ph; } - void SetPHOSPi0WeightFormulaExpression (TString pi) { fPHOSPi0WeightFormulaExpression = pi; } - - //PID bits setters and getters - - void SetDispersionCut(Float_t dcut ) { fDispCut = dcut ; } - Float_t GetDispersionCut() const { return fDispCut ; } - - void SetTOFCut(Float_t tcut ) { fTOFCut = tcut ; } - Float_t GetTOFCut() const { return fTOFCut ; } - - void SetDebug(Int_t deb) { fDebug=deb ; } - Int_t GetDebug() const { return fDebug ; } - - //Bayesian recalculation (EMCAL) - void SwitchOnBayesianRecalculation() { fRecalculateBayesian = kTRUE ; } - void SwitchOffBayesianRecalculation() { fRecalculateBayesian = kFALSE; } - enum eventType{kLow,kHigh}; - void SetLowParticleFlux() { fParticleFlux = kLow ; } - void SetHighParticleFlux() { fParticleFlux = kHigh ; } - + void SetEMCALPhotonWeight (Float_t w) { fEMCALPhotonWeight = w ; } + void SetEMCALPi0Weight (Float_t w) { fEMCALPi0Weight = w ; } + void SetEMCALElectronWeight(Float_t w) { fEMCALElectronWeight = w ; } + void SetEMCALChargeWeight (Float_t w) { fEMCALChargeWeight = w ; } + void SetEMCALNeutralWeight (Float_t w) { fEMCALNeutralWeight = w ; } + void SetPHOSPhotonWeight (Float_t w) { fPHOSPhotonWeight = w ; } + void SetPHOSPi0Weight (Float_t w) { fPHOSPi0Weight = w ; } + void SetPHOSElectronWeight (Float_t w) { fPHOSElectronWeight = w ; } + void SetPHOSChargeWeight (Float_t w) { fPHOSChargeWeight = w ; } + void SetPHOSNeutralWeight (Float_t w) { fPHOSNeutralWeight = w ; } + + void UsePHOSPIDWeightFormula (Bool_t ok ) { fPHOSWeightFormula = ok ; } + void SetPHOSPhotonWeightFormulaExpression(TString ph) { fPHOSPhotonWeightFormulaExpression = ph ; } + void SetPHOSPi0WeightFormulaExpression (TString pi) { fPHOSPi0WeightFormulaExpression = pi ; } + + //PID cuts + + void SetEMCALLambda0CutMax(Float_t lcut ) { fEMCALL0CutMax = lcut ; } + Float_t GetEMCALLambda0CutMax() const { return fEMCALL0CutMax ; } - // Track matching + void SetEMCALLambda0CutMin(Float_t lcut ) { fEMCALL0CutMin = lcut ; } + Float_t GetEMCALLambda0CutMin() const { return fEMCALL0CutMin ; } - Bool_t IsTrackMatched(const AliVCluster * cluster, const AliCalorimeterUtils* cu) const ; + void SetEMCALDEtaCut(Float_t dcut ) { fEMCALDEtaCut = dcut ; } + Float_t GetEMCALDEtaCut() const { return fEMCALDEtaCut ; } + + void SetEMCALDPhiCut(Float_t dcut ) { fEMCALDPhiCut = dcut ; } + Float_t GetEMCALDPhiCut() const { return fEMCALDPhiCut ; } + + void SetTOFCut(Float_t tcut ) { fTOFCut = tcut ; } + Float_t GetTOFCut() const { return fTOFCut ; } + + void SetPHOSRCut(Float_t rcut ) { fPHOSRCut = rcut ; } + Float_t GetPHOSRCut() const { return fPHOSRCut ; } + void SetPHOSDispersionCut(Float_t dcut ) { fPHOSDispersionCut = dcut ; } + Float_t GetPHOSDispersionCut() const { return fPHOSDispersionCut ; } + // Track matching histogrammes setters and getters virtual void SetHistoERangeAndNBins(Float_t min, Float_t max, Int_t n) { - fHistoNEBins = n ; fHistoEMax = max ; fHistoEMin = min ; - } + fHistoNEBins = n ; fHistoEMax = max ; fHistoEMin = min ; } virtual void SetHistoDEtaRangeAndNBins(Float_t min, Float_t max, Int_t n) { - fHistoNDEtaBins = n ; fHistoDEtaMax = max ; fHistoDEtaMin = min ; - } + fHistoNDEtaBins = n ; fHistoDEtaMax = max ; fHistoDEtaMin = min ; } virtual void SetHistoDPhiRangeAndNBins(Float_t min, Float_t max, Int_t n) { - fHistoNDPhiBins = n ; fHistoDPhiMax = max ; fHistoDPhiMin = min ; - } + fHistoNDPhiBins = n ; fHistoDPhiMax = max ; fHistoDPhiMin = min ; } private: - Float_t fEMCALPhotonWeight; // Bayesian PID weight for photons in EMCAL - Float_t fEMCALPi0Weight; // Bayesian PID weight for pi0 in EMCAL - Float_t fEMCALElectronWeight; // Bayesian PID weight for electrons in EMCAL - Float_t fEMCALChargeWeight; // Bayesian PID weight for charged hadrons in EMCAL - Float_t fEMCALNeutralWeight; // Bayesian PID weight for neutral hadrons in EMCAL - Float_t fPHOSPhotonWeight; // Bayesian PID weight for photons in PHOS - Float_t fPHOSPi0Weight; // Bayesian PID weight for pi0 in PHOS - Float_t fPHOSElectronWeight; // Bayesian PID weight for electrons in PHOS - Float_t fPHOSChargeWeight; // Bayesian PID weight for charged hadrons in PHOS - Float_t fPHOSNeutralWeight; // Bayesian PID weight for neutral hadrons in PHOS - - Bool_t fPHOSWeightFormula ; // Use parametrized weight threshold, function of energy - TFormula *fPHOSPhotonWeightFormula ; // Formula for photon weight - TFormula *fPHOSPi0WeightFormula ; // Formula for pi0 weight + Int_t fDebug; // Debug level + Int_t fParticleFlux; // Particle flux for setting PID parameters + + // Bayesian + AliEMCALPIDUtils * fEMCALPIDUtils; // Pointer to EMCALPID to redo the PID Bayesian calculation + Bool_t fUseBayesianWeights; // Select clusters based on weights calculated in reconstruction + Bool_t fRecalculateBayesian; // Recalculate PID bayesian or use simple PID? + + Float_t fEMCALPhotonWeight; // Bayesian PID weight for photons in EMCAL + Float_t fEMCALPi0Weight; // Bayesian PID weight for pi0 in EMCAL + Float_t fEMCALElectronWeight; // Bayesian PID weight for electrons in EMCAL + Float_t fEMCALChargeWeight; // Bayesian PID weight for charged hadrons in EMCAL + Float_t fEMCALNeutralWeight; // Bayesian PID weight for neutral hadrons in EMCAL + Float_t fPHOSPhotonWeight; // Bayesian PID weight for photons in PHOS + Float_t fPHOSPi0Weight; // Bayesian PID weight for pi0 in PHOS + Float_t fPHOSElectronWeight; // Bayesian PID weight for electrons in PHOS + Float_t fPHOSChargeWeight; // Bayesian PID weight for charged hadrons in PHOS + Float_t fPHOSNeutralWeight; // Bayesian PID weight for neutral hadrons in PHOS + + Bool_t fPHOSWeightFormula ; // Use parametrized weight threshold, function of energy + TFormula *fPHOSPhotonWeightFormula ; // Formula for photon weight + TFormula *fPHOSPi0WeightFormula ; // Formula for pi0 weight TString fPHOSPhotonWeightFormulaExpression; // Photon weight formula in string TString fPHOSPi0WeightFormulaExpression; // Pi0 weight formula in string - Float_t fDispCut; //Cut on shower shape lambda0, used in PID evaluation - Float_t fTOFCut; //Cut on TOF, used in PID evaluation + // PID calculation + Float_t fEMCALL0CutMax; // Max Cut on shower shape lambda0, used in PID evaluation, only EMCAL + Float_t fEMCALL0CutMin; // Min Cut on shower shape lambda0, used in PID evaluation, only EMCAL + Float_t fEMCALDEtaCut; // Track matching cut on Dz + Float_t fEMCALDPhiCut; // Track matching cut on Dx + + Float_t fTOFCut; // Cut on TOF, used in PID evaluation - Int_t fDebug; //Debug level - - //Bayesian - Bool_t fRecalculateBayesian; // Recalculate PID bayesian or use simple PID? - Int_t fParticleFlux; // Particle flux for setting PID parameters - AliEMCALPIDUtils * fEMCALPIDUtils; // Pointer to EMCALPID to redo the PID Bayesian calculation - + Float_t fPHOSDispersionCut; // Shower shape elipse radious cut + Float_t fPHOSRCut; // Track-Cluster distance cut for track matching in PHOS + // Track matching control histograms - Int_t fHistoNEBins ; // Number of bins in cluster E axis - Float_t fHistoEMax ; // Maximum value of cluster E histogram range - Float_t fHistoEMin ; // Minimum value of cluster E histogram range - Int_t fHistoNDEtaBins ; // Number of bins in dEta (cluster-track) axis - Float_t fHistoDEtaMax ; // Maximum value of dEta (cluster-track) histogram range - Float_t fHistoDEtaMin ; // Minimum value of dEta (cluster-track) histogram range - Int_t fHistoNDPhiBins ; // Number of bins in dPhi axis - Float_t fHistoDPhiMax ; // Maximum value of dPhi (cluster-track) histogram range - Float_t fHistoDPhiMin ; // Minimum value of dPhi (cluster-track) histogram range - - TH2F * fhTrackMatchedDEta ; //! Eta distance between track and cluster vs cluster E - TH2F * fhTrackMatchedDPhi ; //! Phi distance between track and cluster vs cluster E - TH2F * fhTrackMatchedDEtaDPhi ; //! Eta vs Phi distance between track and cluster, E cluster > 0.5 GeV - - - ClassDef(AliCaloPID,7) + Int_t fHistoNEBins ; // Number of bins in cluster E axis + Float_t fHistoEMax ; // Maximum value of cluster E histogram range + Float_t fHistoEMin ; // Minimum value of cluster E histogram range + Int_t fHistoNDEtaBins ; // Number of bins in dEta (cluster-track) axis + Float_t fHistoDEtaMax ; // Maximum value of dEta (cluster-track) histogram range + Float_t fHistoDEtaMin ; // Minimum value of dEta (cluster-track) histogram range + Int_t fHistoNDPhiBins ; // Number of bins in dPhi axis + Float_t fHistoDPhiMax ; // Maximum value of dPhi (cluster-track) histogram range + Float_t fHistoDPhiMin ; // Minimum value of dPhi (cluster-track) histogram range + + TH2F *fhTrackMatchedDEta ; //! Eta distance between track and cluster vs cluster E + TH2F *fhTrackMatchedDPhi ; //! Phi distance between track and cluster vs cluster E + TH2F *fhTrackMatchedDEtaDPhi ; //! Eta vs Phi distance between track and cluster, E cluster > 0.5 GeV + + AliCaloPID & operator = (const AliCaloPID & g) ; // cpy assignment + AliCaloPID(const AliCaloPID & g) ; // cpy ctor + + ClassDef(AliCaloPID,10) } ;