ana.C: Included possibility to read MC data directly from galice.root

[u/mrichter/AliRoot.git] / PWG4 / PartCorrBase / AliCaloPID.h

#ifndef ALICALOPID_H
#define ALICALOPID_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice     */
/* $Id:  $ */

//_________________________________________________________________________
// Class for track/cluster acceptance selection
// Selection in Central barrel, EMCAL and PHOS
//
//*-- Author: Gustavo Conesa (INFN-LNF)

// --- ROOT system ---
#include <TObject.h> 
class TString ;
class TLorentzVector ;
class TFormula ;

//--- AliRoot system ---
class AliLog ;
class AliAODCaloCluster;
class AliAODPWG4Particle;
#include "AliStack.h"

class AliCaloPID : public TObject {
	
public: 
	
	AliCaloPID() ; // ctor
	AliCaloPID(const AliCaloPID & g) ; // cpy ctor
	AliCaloPID & operator = (const AliCaloPID & g) ;//cpy assignment
	virtual ~AliCaloPID() ;//virtual dtor
	
	enum PidType {
		kPhoton = 22,
		kPi0 = 111,
		kEta = 221, 
		kElectron = 11, 
		kEleCon = -11, 
		kNeutralHadron = 2112, 
		kChargedHadron = 211, 
		kNeutralUnknown = 130, 
		kChargedUnknown=321
	};
	
	
	enum mcTypes {kMCPrompt, kMCFragmentation, kMCISR, kMCPi0Decay, kMCEtaDecay, kMCOtherDecay, kMCPi0, kMCEta, kMCElectron, kMCConversion, kMCUnknown};
	
	void InitParameters();
	Int_t CheckOrigin(const Int_t label, AliStack *  stack) const ;
	
	Int_t GetPdg(const TString calo, const Double_t * pid, const Float_t energy) const ;
	
	Int_t GetPdg(const TString calo,const TLorentzVector mom, const AliAODCaloCluster * cluster) const ;
	
	TString	GetPIDParametersList();
		
	void SetPIDBits(const TString calo,  const AliAODCaloCluster * cluster, AliAODPWG4Particle *aodph);
	
	void Print(const Option_t * opt)const;
	
	//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() const     {  return fPHOSPhotonWeightFormula  ; } 
	TFormula * GetPHOSPi0WeightFormula() const    {  return fPHOSPi0WeightFormula  ; }
	
	//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 par)  { fPHOSWeightFormula  = par; } 
	void SetPHOSPhotonWeightFormula(TFormula * photon)    {  fPHOSPhotonWeightFormula  = photon; } 
	void SetPHOSPi0WeightFormula(TFormula * pi0)   {  fPHOSPi0WeightFormula  = pi0; }
	
	//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;}	
	
	void SetMCGenerator(TString mcgen) {fMCGenerator=mcgen;}
	TString GetMCGenerator() const {return fMCGenerator;}	

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
	
	Float_t fDispCut;    //Cut on dispersion, used in PID evaluation
	Float_t fTOFCut;     //Cut on TOF, used in PID evaluation
	
	Int_t	 fDebug; //Debug level
	TString fMCGenerator; // MC geneator used to generate data in simulation

	ClassDef(AliCaloPID,3)
} ;


#endif //ALICALOPID_H