[u/mrichter/AliRoot.git] / PWG2 / SPECTRA / AliProtonAnalysis.h

#ifndef ALIPROTONANALYSIS_H
#define ALIPROTONANALYSIS_H

/*  See cxx source for full Copyright notice */


/* $Id$ */

//-------------------------------------------------------------------------
//                       Class AliProtonAnalysis
//   This is the class for the baryon (proton) analysis
//
//    Origin: Panos Christakoglou, UOA-CERN, Panos.Christakoglou@cern.ch
//-------------------------------------------------------------------------

#include <TObject.h>

class TF1;
class TH2F;
class TH1D;
class AliESDEvent;
class AliESDtrack;

class AliProtonAnalysis : public TObject {
 public:
  AliProtonAnalysis();
  AliProtonAnalysis(Int_t nbinsY, Float_t fLowY, Float_t fHighY,
		    Int_t nbinsPt, Float_t fLowPt, Float_t fHighPt);
  virtual ~AliProtonAnalysis();
  
  void InitHistograms(Int_t nbinsY, Float_t fLowY, Float_t fHighY,
		      Int_t nbinsPt, Float_t fLowPt, Float_t fHighPt);
  void ReadFromFile(const char* filename);
  void Analyze(AliESDEvent* fESD);
  
  TH2F *GetProtonYPtHistogram() {return fHistYPtProtons;}
  TH2F *GetAntiProtonYPtHistogram() {return fHistYPtAntiProtons;}
  TH1D *GetProtonYHistogram();
  TH1D *GetAntiProtonYHistogram();
  TH1D *GetProtonPtHistogram();
  TH1D *GetAntiProtonPtHistogram();
  TH1D *GetYRatioHistogram();
  TH1D *GetPtRatioHistogram();
  TH1D *GetYAsymmetryHistogram();
  TH1D *GetPtAsymmetryHistogram();
  
  //Cut functions
  void    SetMinTPCClusters(Int_t minTPCClusters) {
    fMinTPCClusters = minTPCClusters;
    fMinTPCClustersFlag = kTRUE;
  }
  void    SetMinITSClusters(Int_t minITSClusters) {
    fMinITSClusters = minITSClusters;
    fMinITSClustersFlag = kTRUE;
  }
  void    SetMaxChi2PerTPCCluster(Double_t maxChi2PerTPCCluster) {
    fMaxChi2PerTPCCluster = maxChi2PerTPCCluster;
    fMaxChi2PerTPCClusterFlag = kTRUE;
  }
  void    SetMaxChi2PerITSCluster(Double_t maxChi2PerITSCluster) {
    fMaxChi2PerITSCluster = maxChi2PerITSCluster;
    fMaxChi2PerITSClusterFlag = kTRUE;
  }
  void    SetMaxCov11(Double_t maxCov11) {fMaxCov11 = maxCov11; fMaxCov11Flag = kTRUE;}
  void    SetMaxCov22(Double_t maxCov22) {fMaxCov22 = maxCov22; fMaxCov22Flag = kTRUE;}
  void    SetMaxCov33(Double_t maxCov33) {fMaxCov33 = maxCov33; fMaxCov33Flag = kTRUE;}
  void    SetMaxCov44(Double_t maxCov44) {fMaxCov44 = maxCov44; fMaxCov44Flag = kTRUE;}
  void    SetMaxCov55(Double_t maxCov55) {fMaxCov55 = maxCov55; fMaxCov55Flag = kTRUE;}
  void    SetMaxSigmaToVertex(Double_t maxSigmaToVertex) {
    fMaxSigmaToVertex = maxSigmaToVertex;
    fMaxSigmaToVertexFlag = kTRUE;
  }
  void    SetITSRefit() {fITSRefitFlag = kTRUE;}
  void    SetTPCRefit() {fTPCRefitFlag = kTRUE;}
  
  //Prior probabilities
  void    SetPriorProbabilities(Double_t *partFrac) {for(Int_t i = 0; i < 5; i++) fPartFrac[i] = partFrac[i];} 
  void    SetPriorProbabilityFunctions(TF1 *felectron, TF1 *fmuon, TF1 *fpion, TF1 *fkaon, TF1 *fproton) {
    fFunctionProbabilityFlag = kTRUE;
    fElectronFunction = felectron; 
    fMuonFunction = fmuon; 
    fPionFunction = fpion;
    fKaonFunction = fkaon;
    fProtonFunction = fproton;
  } 
  Double_t GetParticleFraction(Int_t i, Double_t p);

 private:
  Bool_t IsAccepted(AliESDtrack *track);
  Float_t GetSigmaToVertex(AliESDtrack* esdTrack); 
  Double_t Rapidity(AliESDtrack *track);
  
  Int_t fNBinsY; //number of bins in y
  Float_t fMinY, fMaxY; //min & max value of y
  Int_t fNBinsPt;  //number of bins in pT
  Float_t fMinPt, fMaxPt; //min & max value of pT
  
  //cuts
  Int_t fMinTPCClusters, fMinITSClusters; //min TPC & ITS clusters
  Double_t fMaxChi2PerTPCCluster, fMaxChi2PerITSCluster; //max chi2 per TPC & ITS cluster
  Double_t fMaxCov11, fMaxCov22, fMaxCov33, fMaxCov44, fMaxCov55; //max values of cov. matrix
  Double_t fMaxSigmaToVertex; //max sigma to vertex cut
  Bool_t fMinTPCClustersFlag, fMinITSClustersFlag; //shows if this cut is used or not
  Bool_t fMaxChi2PerTPCClusterFlag, fMaxChi2PerITSClusterFlag; //shows if this cut is used or not
  Bool_t fMaxCov11Flag, fMaxCov22Flag, fMaxCov33Flag, fMaxCov44Flag, fMaxCov55Flag; //shows if this cut is used or not
  Bool_t fMaxSigmaToVertexFlag; //shows if this cut is used or not
  Bool_t fITSRefitFlag, fTPCRefitFlag; //shows if this cut is used or not
  
  //pid
  Bool_t fFunctionProbabilityFlag; //flag: kTRUE if functions used
  Double_t fPartFrac[5]; //prior probabilities
  TF1  *fElectronFunction; //momentum dependence of the prior probs
  TF1  *fMuonFunction; //momentum dependence of the prior probs
  TF1  *fPionFunction; //momentum dependence of the prior probs
  TF1  *fKaonFunction; //momentum dependence of the prior probs
  TF1  *fProtonFunction; //momentum dependence of the prior probs

  TH2F *fHistYPtProtons; //Y-Pt of Protons
  TH2F *fHistYPtAntiProtons; // Y-Pt of Antiprotons
  
  ClassDef(AliProtonAnalysis,0);
};

#endif
Commit	Line	Data
734d2c12	1	#ifndef ALIPROTONANALYSIS_H
	2	#define ALIPROTONANALYSIS_H
	3
	4	/* See cxx source for full Copyright notice */
	5
	6
	7	/* $Id$ */
	8
	9	//-------------------------------------------------------------------------
	10	// Class AliProtonAnalysis
	11	// This is the class for the baryon (proton) analysis
	12	//
	13	// Origin: Panos Christakoglou, UOA-CERN, Panos.Christakoglou@cern.ch
	14	//-------------------------------------------------------------------------
	15
	16	#include <TObject.h>
	17
aafecd8b	18	class TF1;
734d2c12	19	class TH2F;
	20	class TH1D;
	21	class AliESDEvent;
	22	class AliESDtrack;
	23
	24	class AliProtonAnalysis : public TObject {
	25	public:
	26	AliProtonAnalysis();
	27	AliProtonAnalysis(Int_t nbinsY, Float_t fLowY, Float_t fHighY,
	28	Int_t nbinsPt, Float_t fLowPt, Float_t fHighPt);
	29	virtual ~AliProtonAnalysis();
	30
	31	void InitHistograms(Int_t nbinsY, Float_t fLowY, Float_t fHighY,
	32	Int_t nbinsPt, Float_t fLowPt, Float_t fHighPt);
	33	void ReadFromFile(const char* filename);
	34	void Analyze(AliESDEvent* fESD);
	35
	36	TH2F *GetProtonYPtHistogram() {return fHistYPtProtons;}
	37	TH2F *GetAntiProtonYPtHistogram() {return fHistYPtAntiProtons;}
	38	TH1D *GetProtonYHistogram();
	39	TH1D *GetAntiProtonYHistogram();
	40	TH1D *GetProtonPtHistogram();
	41	TH1D *GetAntiProtonPtHistogram();
	42	TH1D *GetYRatioHistogram();
	43	TH1D *GetPtRatioHistogram();
	44	TH1D *GetYAsymmetryHistogram();
	45	TH1D *GetPtAsymmetryHistogram();
	46
	47	//Cut functions
	48	void SetMinTPCClusters(Int_t minTPCClusters) {
	49	fMinTPCClusters = minTPCClusters;
	50	fMinTPCClustersFlag = kTRUE;
	51	}
	52	void SetMinITSClusters(Int_t minITSClusters) {
	53	fMinITSClusters = minITSClusters;
	54	fMinITSClustersFlag = kTRUE;
	55	}
	56	void SetMaxChi2PerTPCCluster(Double_t maxChi2PerTPCCluster) {
	57	fMaxChi2PerTPCCluster = maxChi2PerTPCCluster;
	58	fMaxChi2PerTPCClusterFlag = kTRUE;
	59	}
	60	void SetMaxChi2PerITSCluster(Double_t maxChi2PerITSCluster) {
	61	fMaxChi2PerITSCluster = maxChi2PerITSCluster;
	62	fMaxChi2PerITSClusterFlag = kTRUE;
	63	}
	64	void SetMaxCov11(Double_t maxCov11) {fMaxCov11 = maxCov11; fMaxCov11Flag = kTRUE;}
	65	void SetMaxCov22(Double_t maxCov22) {fMaxCov22 = maxCov22; fMaxCov22Flag = kTRUE;}
	66	void SetMaxCov33(Double_t maxCov33) {fMaxCov33 = maxCov33; fMaxCov33Flag = kTRUE;}
	67	void SetMaxCov44(Double_t maxCov44) {fMaxCov44 = maxCov44; fMaxCov44Flag = kTRUE;}
	68	void SetMaxCov55(Double_t maxCov55) {fMaxCov55 = maxCov55; fMaxCov55Flag = kTRUE;}
	69	void SetMaxSigmaToVertex(Double_t maxSigmaToVertex) {
	70	fMaxSigmaToVertex = maxSigmaToVertex;
	71	fMaxSigmaToVertexFlag = kTRUE;
	72	}
	73	void SetITSRefit() {fITSRefitFlag = kTRUE;}
	74	void SetTPCRefit() {fTPCRefitFlag = kTRUE;}
	75
	76	//Prior probabilities
	77	void SetPriorProbabilities(Double_t *partFrac) {for(Int_t i = 0; i < 5; i++) fPartFrac[i] = partFrac[i];}
aafecd8b	78	void SetPriorProbabilityFunctions(TF1 felectron, TF1 fmuon, TF1 fpion, TF1 fkaon, TF1 *fproton) {
	79	fFunctionProbabilityFlag = kTRUE;
	80	fElectronFunction = felectron;
	81	fMuonFunction = fmuon;
	82	fPionFunction = fpion;
	83	fKaonFunction = fkaon;
	84	fProtonFunction = fproton;
	85	}
	86	Double_t GetParticleFraction(Int_t i, Double_t p);
	87
734d2c12	88	private:
	89	Bool_t IsAccepted(AliESDtrack *track);
	90	Float_t GetSigmaToVertex(AliESDtrack* esdTrack);
	91	Double_t Rapidity(AliESDtrack *track);
	92
	93	Int_t fNBinsY; //number of bins in y
	94	Float_t fMinY, fMaxY; //min & max value of y
	95	Int_t fNBinsPt; //number of bins in pT
	96	Float_t fMinPt, fMaxPt; //min & max value of pT
	97
	98	//cuts
	99	Int_t fMinTPCClusters, fMinITSClusters; //min TPC & ITS clusters
	100	Double_t fMaxChi2PerTPCCluster, fMaxChi2PerITSCluster; //max chi2 per TPC & ITS cluster
	101	Double_t fMaxCov11, fMaxCov22, fMaxCov33, fMaxCov44, fMaxCov55; //max values of cov. matrix
	102	Double_t fMaxSigmaToVertex; //max sigma to vertex cut
	103	Bool_t fMinTPCClustersFlag, fMinITSClustersFlag; //shows if this cut is used or not
	104	Bool_t fMaxChi2PerTPCClusterFlag, fMaxChi2PerITSClusterFlag; //shows if this cut is used or not
	105	Bool_t fMaxCov11Flag, fMaxCov22Flag, fMaxCov33Flag, fMaxCov44Flag, fMaxCov55Flag; //shows if this cut is used or not
	106	Bool_t fMaxSigmaToVertexFlag; //shows if this cut is used or not
	107	Bool_t fITSRefitFlag, fTPCRefitFlag; //shows if this cut is used or not
	108
	109	//pid
aafecd8b	110	Bool_t fFunctionProbabilityFlag; //flag: kTRUE if functions used
734d2c12	111	Double_t fPartFrac[5]; //prior probabilities
aafecd8b	112	TF1 *fElectronFunction; //momentum dependence of the prior probs
	113	TF1 *fMuonFunction; //momentum dependence of the prior probs
	114	TF1 *fPionFunction; //momentum dependence of the prior probs
	115	TF1 *fKaonFunction; //momentum dependence of the prior probs
	116	TF1 *fProtonFunction; //momentum dependence of the prior probs
	117
	118	TH2F *fHistYPtProtons; //Y-Pt of Protons
	119	TH2F *fHistYPtAntiProtons; // Y-Pt of Antiprotons
734d2c12	120
	121	ClassDef(AliProtonAnalysis,0);
	122	};
	123
	124	#endif