[u/mrichter/AliRoot.git] / PWGHF / vertexingHF / AliCFTaskVertexingHF.h

#ifndef ALICFTASKVERTEXINGHF_H
#define ALICFTASKVERTEXINGHF_H
/**************************************************************************
 * Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */ 

//-----------------------------------------------------------------------
// Class for HF corrections as a function of many variables and step 
// Author : C. Zampolli, CERN
//			D. Caffarri, Univ & INFN Padova caffarri@pd.infn.it
// Base class for HF Unfolding - agrelli@uu.nl
//-----------------------------------------------------------------------


#include "AliAnalysisTaskSE.h"
#include "AliCFVertexingHF2Prong.h"
#include "AliCFVertexingHF3Prong.h"
#include "AliCFVertexingHF.h"
#include <TH1F.h>

class TH1I;
class TParticle ;
class TFile ;
class TClonesArray ;
class AliCFManager;
class AliAODRecoDecay;
class AliAODRecoDecayHF2Prong;
class AliAODMCParticle;
class THnSparse;
class TF1;
class AliRDHFCuts;
class AliCFVertexingHF2Prong;
class AliCFVertexingHF3Prong;

class AliCFTaskVertexingHF: public AliAnalysisTaskSE {
public:
	
	enum {
	        kStepGeneratedLimAcc = 0,
		kStepGenerated       = 1,
		kStepAcceptance      = 2,
		kStepVertex          = 3,
		kStepRefit           = 4,
		kStepReconstructed   = 5,
		kStepRecoAcceptance  = 6,
		kStepRecoITSClusters = 7,
		kStepRecoPPR         = 8,
		kStepRecoPID         = 9
	};

	enum {
		kSnail = 0,    // slow configuration, all variables
		kCheetah = 1   // fast configuration, only a subset of variables
	};

        enum {
          kAll = 0,   // all decays (resonant + non-resonant)
          kNonResonant = 1, // only non resonant
          kL1520 = 2,  // Lc --> L(1520) + p
          kKstar = 3,  // Lc --> K* + pi
          kDelta = 4   // Lc --> Delta + K
        };
	
	AliCFTaskVertexingHF();
	AliCFTaskVertexingHF(const Char_t* name, AliRDHFCuts* cuts, TF1* func = 0x0);
	AliCFTaskVertexingHF& operator= (const AliCFTaskVertexingHF& c);
	AliCFTaskVertexingHF(const AliCFTaskVertexingHF& c);
 	virtual ~AliCFTaskVertexingHF();
	
	// ANALYSIS FRAMEWORK STUFF to loop on data and fill output objects
	void     UserCreateOutputObjects();
	void     UserExec(Option_t *option);
	void     Init();
	void     LocalInit() {Init();}
	void     Terminate(Option_t *);
	
	// UNFOLDING
	void     SetCorrelationMatrix(THnSparse* h) {fCorrelation=h;}
	void     SetAcceptanceUnf(Bool_t AcceptanceUnf) {fAcceptanceUnf = AcceptanceUnf;}
	Bool_t   GetAcceptanceUnf() const {return fAcceptanceUnf;}
	
	
	// CORRECTION FRAMEWORK RELATED FUNCTIONS
	void           SetCFManager(AliCFManager* io) {fCFManager = io;}   // global correction manager
	AliCFManager * GetCFManager()                 {return fCFManager;} // get corr manager
	
	// Setters (and getters) for the config macro
	void    SetFillFromGenerated(Bool_t flag) {fFillFromGenerated = flag;}
	Bool_t  GetFillFromGenerated() const {return fFillFromGenerated;}
	void    SetDecayChannel (Int_t decayChannel) {fDecayChannel = decayChannel;}
	Int_t   GetDecayChannel () {return fDecayChannel;}
	void     SetUseWeight(Bool_t useWeight){fUseWeight=useWeight;}
	Bool_t   GetUseWeight() const {return fUseWeight;}
	Double_t GetWeight(Float_t pt);
	Double_t dNdptFit(Float_t pt, Double_t* par);

	void SetUseFlatPtWeight(Bool_t useWeight){fUseFlatPtWeight=useWeight; fUseWeight=useWeight;}
	Bool_t GetUseFlatPtWeight() const {return fUseFlatPtWeight;}
	void SetUseZWeight(Bool_t useWeight){fUseZWeight=useWeight;}
	Bool_t GetUseZWeight() const {return fUseZWeight;}
	Double_t GetZWeight(Float_t z, Int_t runnumber);
	Double_t DodzFit(Float_t z, Double_t* par);

	void SetUseNchWeight(Bool_t useWeight){fUseNchWeight=useWeight;}
	Bool_t GetUseNchWeight() const {return fUseNchWeight;}
 	void SetMCNchHisto(TH1F* h){
	  if(fHistoMCNch) delete fHistoMCNch;
	  fHistoMCNch=new TH1F(*h);
	}
	void CreateMeasuredNchHisto();
	Double_t GetNchWeight(Int_t nch);

	void   SetDselection(UShort_t originDselection) {fOriginDselection=originDselection;}
	UShort_t GetDselection (){return fOriginDselection;}
	void SetSign(Char_t isSign) {fSign = isSign;}
	Char_t GetSign() {return fSign;}
	 
	void SetCentralitySelection(Bool_t centSelec = kTRUE) {fCentralitySelection = centSelec;}   
	Bool_t GetCentralitySelection() {return fCentralitySelection;} 

	void SetFakeSelection(Int_t fakeSel = 0) {fFakeSelection=fakeSel;}
	Int_t GetFakeSelection(){return fFakeSelection;}

	void SetRejectCandidateIfNotFromQuark(Bool_t opt){fRejectIfNoQuark=opt;}
	Bool_t GetRejectCandidateIfNotFromQuark(){return fRejectIfNoQuark;}

	void SetUseMCVertex(Bool_t opt){fUseMCVertex=opt;}
	Bool_t GetUseMCVertex(){return fUseMCVertex;}
	

	void SetKeepDsViaPhi(){fDsOption=1;}
	void SetKeepDsViaK0star(){fDsOption=2;}
	void SetKeepAllDs(){fDsOption=3;}
	void SetCountAllDs(){fGenDsOption=AliCFVertexingHF3Prong::kCountAllDsKKpi;}
	void SetCountDsViaPhi(){fGenDsOption=AliCFVertexingHF3Prong::kCountPhipi;}
	void SetCountDsViaK0star(){fGenDsOption=AliCFVertexingHF3Prong::kCountK0stK;}
	void SetCountResonantDs(){fGenDsOption=AliCFVertexingHF3Prong::kCountResonant;}
	void SetCountNonResonantDs(){fGenDsOption=AliCFVertexingHF3Prong::kCountNonResonant;}

	Bool_t ProcessDs(Int_t returnCodeDs) const;

	void SetConfiguration(Int_t configuration) {(configuration == kSnail) ? Printf("Slow configuration chosen, all variables will be used!") : Printf("Fast configuration chosen, all variablesOnly pt, y, phi, ct, fake, z_vtx, centrality and multiplicity will be used!"); fConfiguration = configuration;} 
	Int_t GetConfiguration() const {return fConfiguration;} 
	
	void SetWeightFunction(TF1* func) {fFuncWeight = func;}
	TF1* GetWeightFunction() const {return fFuncWeight;}

        void SetResonantDecay(UInt_t resonantDecay) {fResonantDecay = resonantDecay;}
        UInt_t GetResonantDecay() const {return fResonantDecay;}
	
protected:
	AliCFManager   *fCFManager;   //  pointer to the CF manager
	TH1I *fHistEventsProcessed;   //! simple histo for monitoring the number of events processed
	THnSparse* fCorrelation;      //  response matrix for unfolding
	Int_t fCountMC;               //  MC particle found
	Int_t fCountAcc;              //  MC particle found that satisfy acceptance cuts
	Int_t fCountVertex;       //  Reco particle found that satisfy vertex constrained
	Int_t fCountRefit;        //  Reco particle found that satisfy kTPCrefit and kITSrefit
	Int_t fCountReco;             //  Reco particle found that satisfy cuts
	Int_t fCountRecoAcc;          //  Reco particle found that satisfy cuts in requested acceptance
	Int_t fCountRecoITSClusters;  //  Reco particle found that satisfy cuts in n. of ITS clusters
	Int_t fCountRecoPPR;          //  Reco particle found that satisfy cuts in PPR
	Int_t fCountRecoPID;          //Reco PID step 
	Int_t fEvents;                //  n. of events
	Int_t fDecayChannel;          // decay channel to configure the task
	Bool_t fFillFromGenerated;    //  flag to indicate whether data container should be filled with generated values also for reconstructed particles
	UShort_t fOriginDselection;      // flag to select D0 origins. 0 Only from charm 1 only from beauty 2 both from charm and beauty
	Bool_t fAcceptanceUnf;        //  flag for unfolding before or after cuts.
	AliRDHFCuts* fCuts;            // cuts
	Bool_t fUseWeight;             //flag to decide whether to use pt-weights != 1 when filling the container or not
	Double_t fWeight;              //weight used to fill the container
	Bool_t fUseFlatPtWeight;       // flag to decide to use a flat pt shape
	Bool_t fUseZWeight;           // flag to decide whether to use z-vtx weights != 1 when filling the container or not
	Bool_t fUseNchWeight;         // flag to decide whether to use Ncharged weights != 1 when filling the container or not
	Int_t fNvar;                   // number of variables for the container
	TString fPartName;    // D meson name
	TString fDauNames;    // daughter in fin state
	Char_t fSign;                 // flag to decide wheter to keep D0 only (0), D0bar only (1), or both D0 and D0bar (2)
        Bool_t fCentralitySelection;  //flag to switch off the centrality selection
	Int_t  fFakeSelection;  //selection flag for fakes tracks 
	Bool_t fRejectIfNoQuark;  // flag to remove events not geenrated with PYTHIA
	Bool_t fUseMCVertex;  // flag to use MC vertex (useful when runnign in pp)
	Int_t  fDsOption;     // Ds decay option (selection level)
	Int_t  fGenDsOption;     // Ds decay option (generation level)
	Int_t fConfiguration; // configuration (slow / fast) of the CF --> different variables will be allocated (all / reduced number)
	TF1* fFuncWeight;     // user-defined function to be used to calculate weights
	TH1F* fHistoMeasNch;  // histogram with measured Nch distribution (pp 7 TeV)
	TH1F* fHistoMCNch;  // histogram with Nch distribution from MC production
        UInt_t fResonantDecay;  // resonant deacy channel to be used if the CF should be run on resonant channels only

	ClassDef(AliCFTaskVertexingHF,12); // class for HF corrections as a function of many variables
};

#endif
Commit	Line	Data
	1	#ifndef ALICFTASKVERTEXINGHF_H
	2	#define ALICFTASKVERTEXINGHF_H
	3	/**************************************************************************
	4	* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
	5	* *
	6	* Author: The ALICE Off-line Project. *
	7	* Contributors are mentioned in the code where appropriate. *
	8	* *
	9	* Permission to use, copy, modify and distribute this software and its *
	10	* documentation strictly for non-commercial purposes is hereby granted *
	11	* without fee, provided that the above copyright notice appears in all *
	12	* copies and that both the copyright notice and this permission notice *
	13	* appear in the supporting documentation. The authors make no claims *
	14	* about the suitability of this software for any purpose. It is *
	15	* provided "as is" without express or implied warranty. *
	16	**************************************************************************/
	17
	18	/* $Id$ */
	19
	20	//-----------------------------------------------------------------------
	21	// Class for HF corrections as a function of many variables and step
	22	// Author : C. Zampolli, CERN
	23	// D. Caffarri, Univ & INFN Padova caffarri@pd.infn.it
	24	// Base class for HF Unfolding - agrelli@uu.nl
	25	//-----------------------------------------------------------------------
	26
	27
	28	#include "AliAnalysisTaskSE.h"
	29	#include "AliCFVertexingHF2Prong.h"
	30	#include "AliCFVertexingHF3Prong.h"
	31	#include "AliCFVertexingHF.h"
	32	#include <TH1F.h>
	33
	34	class TH1I;
	35	class TParticle ;
	36	class TFile ;
	37	class TClonesArray ;
	38	class AliCFManager;
	39	class AliAODRecoDecay;
	40	class AliAODRecoDecayHF2Prong;
	41	class AliAODMCParticle;
	42	class THnSparse;
	43	class TF1;
	44	class AliRDHFCuts;
	45	class AliCFVertexingHF2Prong;
	46	class AliCFVertexingHF3Prong;
	47
	48	class AliCFTaskVertexingHF: public AliAnalysisTaskSE {
	49	public:
	50
	51	enum {
	52	kStepGeneratedLimAcc = 0,
	53	kStepGenerated = 1,
	54	kStepAcceptance = 2,
	55	kStepVertex = 3,
	56	kStepRefit = 4,
	57	kStepReconstructed = 5,
	58	kStepRecoAcceptance = 6,
	59	kStepRecoITSClusters = 7,
	60	kStepRecoPPR = 8,
	61	kStepRecoPID = 9
	62	};
	63
	64	enum {
	65	kSnail = 0, // slow configuration, all variables
	66	kCheetah = 1 // fast configuration, only a subset of variables
	67	};
	68
	69	enum {
	70	kAll = 0, // all decays (resonant + non-resonant)
	71	kNonResonant = 1, // only non resonant
	72	kL1520 = 2, // Lc --> L(1520) + p
	73	kKstar = 3, // Lc --> K* + pi
	74	kDelta = 4 // Lc --> Delta + K
	75	};
	76
	77	AliCFTaskVertexingHF();
	78	AliCFTaskVertexingHF(const Char_t* name, AliRDHFCuts* cuts, TF1* func = 0x0);
	79	AliCFTaskVertexingHF& operator= (const AliCFTaskVertexingHF& c);
	80	AliCFTaskVertexingHF(const AliCFTaskVertexingHF& c);
	81	virtual ~AliCFTaskVertexingHF();
	82
	83	// ANALYSIS FRAMEWORK STUFF to loop on data and fill output objects
	84	void UserCreateOutputObjects();
	85	void UserExec(Option_t *option);
	86	void Init();
	87	void LocalInit() {Init();}
	88	void Terminate(Option_t *);
	89
	90	// UNFOLDING
	91	void SetCorrelationMatrix(THnSparse* h) {fCorrelation=h;}
	92	void SetAcceptanceUnf(Bool_t AcceptanceUnf) {fAcceptanceUnf = AcceptanceUnf;}
	93	Bool_t GetAcceptanceUnf() const {return fAcceptanceUnf;}
	94
	95
	96	// CORRECTION FRAMEWORK RELATED FUNCTIONS
	97	void SetCFManager(AliCFManager* io) {fCFManager = io;} // global correction manager
	98	AliCFManager * GetCFManager() {return fCFManager;} // get corr manager
	99
	100	// Setters (and getters) for the config macro
	101	void SetFillFromGenerated(Bool_t flag) {fFillFromGenerated = flag;}
	102	Bool_t GetFillFromGenerated() const {return fFillFromGenerated;}
	103	void SetDecayChannel (Int_t decayChannel) {fDecayChannel = decayChannel;}
	104	Int_t GetDecayChannel () {return fDecayChannel;}
	105	void SetUseWeight(Bool_t useWeight){fUseWeight=useWeight;}
	106	Bool_t GetUseWeight() const {return fUseWeight;}
	107	Double_t GetWeight(Float_t pt);
	108	Double_t dNdptFit(Float_t pt, Double_t* par);
	109
	110	void SetUseFlatPtWeight(Bool_t useWeight){fUseFlatPtWeight=useWeight; fUseWeight=useWeight;}
	111	Bool_t GetUseFlatPtWeight() const {return fUseFlatPtWeight;}
	112	void SetUseZWeight(Bool_t useWeight){fUseZWeight=useWeight;}
	113	Bool_t GetUseZWeight() const {return fUseZWeight;}
	114	Double_t GetZWeight(Float_t z, Int_t runnumber);
	115	Double_t DodzFit(Float_t z, Double_t* par);
	116
	117	void SetUseNchWeight(Bool_t useWeight){fUseNchWeight=useWeight;}
	118	Bool_t GetUseNchWeight() const {return fUseNchWeight;}
	119	void SetMCNchHisto(TH1F* h){
	120	if(fHistoMCNch) delete fHistoMCNch;
	121	fHistoMCNch=new TH1F(*h);
	122	}
	123	void CreateMeasuredNchHisto();
	124	Double_t GetNchWeight(Int_t nch);
	125
	126	void SetDselection(UShort_t originDselection) {fOriginDselection=originDselection;}
	127	UShort_t GetDselection (){return fOriginDselection;}
	128	void SetSign(Char_t isSign) {fSign = isSign;}
	129	Char_t GetSign() {return fSign;}
	130
	131	void SetCentralitySelection(Bool_t centSelec = kTRUE) {fCentralitySelection = centSelec;}
	132	Bool_t GetCentralitySelection() {return fCentralitySelection;}
	133
	134	void SetFakeSelection(Int_t fakeSel = 0) {fFakeSelection=fakeSel;}
	135	Int_t GetFakeSelection(){return fFakeSelection;}
	136
	137	void SetRejectCandidateIfNotFromQuark(Bool_t opt){fRejectIfNoQuark=opt;}
	138	Bool_t GetRejectCandidateIfNotFromQuark(){return fRejectIfNoQuark;}
	139
	140	void SetUseMCVertex(Bool_t opt){fUseMCVertex=opt;}
	141	Bool_t GetUseMCVertex(){return fUseMCVertex;}
	142
	143
	144	void SetKeepDsViaPhi(){fDsOption=1;}
	145	void SetKeepDsViaK0star(){fDsOption=2;}
	146	void SetKeepAllDs(){fDsOption=3;}
	147	void SetCountAllDs(){fGenDsOption=AliCFVertexingHF3Prong::kCountAllDsKKpi;}
	148	void SetCountDsViaPhi(){fGenDsOption=AliCFVertexingHF3Prong::kCountPhipi;}
	149	void SetCountDsViaK0star(){fGenDsOption=AliCFVertexingHF3Prong::kCountK0stK;}
	150	void SetCountResonantDs(){fGenDsOption=AliCFVertexingHF3Prong::kCountResonant;}
	151	void SetCountNonResonantDs(){fGenDsOption=AliCFVertexingHF3Prong::kCountNonResonant;}
	152
	153	Bool_t ProcessDs(Int_t returnCodeDs) const;
	154
	155	void SetConfiguration(Int_t configuration) {(configuration == kSnail) ? Printf("Slow configuration chosen, all variables will be used!") : Printf("Fast configuration chosen, all variablesOnly pt, y, phi, ct, fake, z_vtx, centrality and multiplicity will be used!"); fConfiguration = configuration;}
	156	Int_t GetConfiguration() const {return fConfiguration;}
	157
	158	void SetWeightFunction(TF1* func) {fFuncWeight = func;}
	159	TF1* GetWeightFunction() const {return fFuncWeight;}
	160
	161	void SetResonantDecay(UInt_t resonantDecay) {fResonantDecay = resonantDecay;}
	162	UInt_t GetResonantDecay() const {return fResonantDecay;}
	163
	164	protected:
	165	AliCFManager *fCFManager; // pointer to the CF manager
	166	TH1I *fHistEventsProcessed; //! simple histo for monitoring the number of events processed
	167	THnSparse* fCorrelation; // response matrix for unfolding
	168	Int_t fCountMC; // MC particle found
	169	Int_t fCountAcc; // MC particle found that satisfy acceptance cuts
	170	Int_t fCountVertex; // Reco particle found that satisfy vertex constrained
	171	Int_t fCountRefit; // Reco particle found that satisfy kTPCrefit and kITSrefit
	172	Int_t fCountReco; // Reco particle found that satisfy cuts
	173	Int_t fCountRecoAcc; // Reco particle found that satisfy cuts in requested acceptance
	174	Int_t fCountRecoITSClusters; // Reco particle found that satisfy cuts in n. of ITS clusters
	175	Int_t fCountRecoPPR; // Reco particle found that satisfy cuts in PPR
	176	Int_t fCountRecoPID; //Reco PID step
	177	Int_t fEvents; // n. of events
	178	Int_t fDecayChannel; // decay channel to configure the task
	179	Bool_t fFillFromGenerated; // flag to indicate whether data container should be filled with generated values also for reconstructed particles
	180	UShort_t fOriginDselection; // flag to select D0 origins. 0 Only from charm 1 only from beauty 2 both from charm and beauty
	181	Bool_t fAcceptanceUnf; // flag for unfolding before or after cuts.
	182	AliRDHFCuts* fCuts; // cuts
	183	Bool_t fUseWeight; //flag to decide whether to use pt-weights != 1 when filling the container or not
	184	Double_t fWeight; //weight used to fill the container
	185	Bool_t fUseFlatPtWeight; // flag to decide to use a flat pt shape
	186	Bool_t fUseZWeight; // flag to decide whether to use z-vtx weights != 1 when filling the container or not
	187	Bool_t fUseNchWeight; // flag to decide whether to use Ncharged weights != 1 when filling the container or not
	188	Int_t fNvar; // number of variables for the container
	189	TString fPartName; // D meson name
	190	TString fDauNames; // daughter in fin state
	191	Char_t fSign; // flag to decide wheter to keep D0 only (0), D0bar only (1), or both D0 and D0bar (2)
	192	Bool_t fCentralitySelection; //flag to switch off the centrality selection
	193	Int_t fFakeSelection; //selection flag for fakes tracks
	194	Bool_t fRejectIfNoQuark; // flag to remove events not geenrated with PYTHIA
	195	Bool_t fUseMCVertex; // flag to use MC vertex (useful when runnign in pp)
	196	Int_t fDsOption; // Ds decay option (selection level)
	197	Int_t fGenDsOption; // Ds decay option (generation level)
	198	Int_t fConfiguration; // configuration (slow / fast) of the CF --> different variables will be allocated (all / reduced number)
	199	TF1* fFuncWeight; // user-defined function to be used to calculate weights
	200	TH1F* fHistoMeasNch; // histogram with measured Nch distribution (pp 7 TeV)
	201	TH1F* fHistoMCNch; // histogram with Nch distribution from MC production
	202	UInt_t fResonantDecay; // resonant deacy channel to be used if the CF should be run on resonant channels only
	203
	204	ClassDef(AliCFTaskVertexingHF,12); // class for HF corrections as a function of many variables
	205	};
	206
	207	#endif