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[u/mrichter/AliRoot.git] / PWG3 / vertexingHF / AliCFTaskVertexingHF.h
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 "AliCFVertexingHF.h"
31
32 class TH1I;
33 class TParticle ;
34 class TFile ;
35 class TClonesArray ;
36 class AliCFManager;
37 class AliAODRecoDecay;
38 class AliAODRecoDecayHF2Prong;
39 class AliAODMCParticle;
40 class THnSparse;
41 class AliRDHFCuts;
42 class AliCFVertexingHF2Prong;
43 class AliCFVertexingHF3Prong;
44
45 class AliCFTaskVertexingHF: public AliAnalysisTaskSE {
46 public:
47         
48         enum {
49                 kStepGeneratedLimAcc = 0,
50                 kStepGenerated       = 1,
51                 kStepAcceptance      = 2,
52                 kStepVertex          = 3,
53                 kStepRefit           = 4,
54                 kStepReconstructed   = 5,
55                 kStepRecoAcceptance  = 6,
56                 kStepRecoITSClusters = 7,
57                 kStepRecoPPR         = 8,
58                 kStepRecoPID         = 9
59         };
60
61         enum {
62                 kSnail = 0,    // slow configuration, all variables
63                 kCheetah = 1   // fast configuration, only a subset of variables
64         };
65         
66         AliCFTaskVertexingHF();
67         AliCFTaskVertexingHF(const Char_t* name, AliRDHFCuts* cuts);
68         AliCFTaskVertexingHF& operator= (const AliCFTaskVertexingHF& c);
69         AliCFTaskVertexingHF(const AliCFTaskVertexingHF& c);
70         virtual ~AliCFTaskVertexingHF();
71         
72         // ANALYSIS FRAMEWORK STUFF to loop on data and fill output objects
73         void     UserCreateOutputObjects();
74         void     UserExec(Option_t *option);
75         void     Init();
76         void     LocalInit() {Init();}
77         void     Terminate(Option_t *);
78         
79         // UNFOLDING
80         void     SetCorrelationMatrix(THnSparse* h) {fCorrelation=h;}
81         void     SetAcceptanceUnf(Bool_t AcceptanceUnf) {fAcceptanceUnf = AcceptanceUnf;}
82         Bool_t   GetAcceptanceUnf() const {return fAcceptanceUnf;}
83         
84         
85         // CORRECTION FRAMEWORK RELATED FUNCTIONS
86         void           SetCFManager(AliCFManager* io) {fCFManager = io;}   // global correction manager
87         AliCFManager * GetCFManager()                 {return fCFManager;} // get corr manager
88         
89         // Setters (and getters) for the config macro
90         void    SetFillFromGenerated(Bool_t flag) {fFillFromGenerated = flag;}
91         Bool_t  GetFillFromGenerated() const {return fFillFromGenerated;}
92         void    SetDecayChannel (Int_t decayChannel) {fDecayChannel = decayChannel;}
93         Int_t   GetDecayChannel () {return fDecayChannel;}
94         void     SetUseWeight(Bool_t useWeight){fUseWeight=useWeight;}
95         Bool_t   GetUseWeight() const {return fUseWeight;}
96         Double_t GetWeight(Float_t pt);
97         Double_t dNdptFit(Float_t pt, Double_t* par);
98         
99         void   SetDselection(UShort_t originDselection) {fOriginDselection=originDselection;}
100         UShort_t GetDselection (){return fOriginDselection;}
101         void SetSign(Char_t isSign) {fSign = isSign;}
102         Char_t GetSign() {return fSign;}
103          
104         void SetCentralitySelection(Bool_t centSelec = kTRUE) {fCentralitySelection = centSelec;}   
105         Bool_t GetCentralitySelection() {return fCentralitySelection;} 
106
107         void SetFakeSelection(Int_t fakeSel = 0) {fFakeSelection=fakeSel;}
108         Int_t GetFakeSelection(){return fFakeSelection;}
109
110         void SetRejectCandidateIfNotFromQuark(Bool_t opt){fRejectIfNoQuark=opt;}
111         Bool_t GetRejectCandidateIfNotFromQuark(){return fRejectIfNoQuark;}
112
113         void SetUseMCVertex(Bool_t opt){fUseMCVertex=opt;}
114         Bool_t GetUseMCVertex(){return fUseMCVertex;}
115         
116
117         void SetKeepDsViaPhi(){fDsOption=1;}
118         void SetKeepDsViaK0star(){fDsOption=2;}
119         void SetKeepAllDs(){fDsOption=3;}
120
121         Bool_t ProcessDs(Int_t returnCodeDs) const;
122
123         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;} 
124         Int_t GetConfiguration() const {return fConfiguration;} 
125         
126 protected:
127         AliCFManager   *fCFManager;   //  pointer to the CF manager
128         TH1I *fHistEventsProcessed;   //! simple histo for monitoring the number of events processed
129         THnSparse* fCorrelation;      //  response matrix for unfolding
130         Int_t fCountMC;               //  MC particle found
131         Int_t fCountAcc;              //  MC particle found that satisfy acceptance cuts
132         Int_t fCountVertex;       //  Reco particle found that satisfy vertex constrained
133         Int_t fCountRefit;        //  Reco particle found that satisfy kTPCrefit and kITSrefit
134         Int_t fCountReco;             //  Reco particle found that satisfy cuts
135         Int_t fCountRecoAcc;          //  Reco particle found that satisfy cuts in requested acceptance
136         Int_t fCountRecoITSClusters;  //  Reco particle found that satisfy cuts in n. of ITS clusters
137         Int_t fCountRecoPPR;          //  Reco particle found that satisfy cuts in PPR
138         Int_t fCountRecoPID;          //Reco PID step 
139         Int_t fEvents;                //  n. of events
140         Int_t fDecayChannel;          // decay channel to configure the task
141         Bool_t fFillFromGenerated;    //  flag to indicate whether data container should be filled with generated values also for reconstructed particles
142         UShort_t fOriginDselection;      // flag to select D0 origins. 0 Only from charm 1 only from beauty 2 both from charm and beauty
143         Bool_t fAcceptanceUnf;        //  flag for unfolding before or after cuts.
144         AliRDHFCuts* fCuts;            // cuts
145         Bool_t fUseWeight;             //flag to decide whether to use weights != 1 when filling the container or not
146         Double_t fWeight;              //weight used to fill the container
147         Int_t fNvar;                   // number of variables for the container
148         TString fPartName;    // D meson name
149         TString fDauNames;    // daughter in fin state
150         Char_t fSign;                 // flag to decide wheter to keep D0 only (0), D0bar only (1), or both D0 and D0bar (2)
151         Bool_t fCentralitySelection;  //flag to switch off the centrality selection
152         Int_t  fFakeSelection;  //selection flag for fakes tracks 
153         Bool_t fRejectIfNoQuark;  // flag to remove events not geenrated with PYTHIA
154         Bool_t fUseMCVertex;  // flag to use MC vertex (useful when runnign in pp)
155         Int_t  fDsOption;     // Ds decay option
156         Int_t fConfiguration; // configuration (slow / fast) of the CF --> different variables will be allocated (all / reduced number)
157
158         ClassDef(AliCFTaskVertexingHF,8); // class for HF corrections as a function of many variables
159 };
160
161 #endif