//_________________________________________________________________________
// 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
// 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)
class TString ;
class TLorentzVector ;
#include <TFormula.h>
-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 {
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,
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)
} ;
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff