PWGHF/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 "AliCFVertexingHF3Prong.h"
  31 #include "AliCFVertexingHFLctoV0bachelor.h"
  32 #include "AliCFVertexingHF.h"
  33 #include <TH1F.h>
  34
  35 class TH1I;
  36 class TParticle ;
  37 class TFile ;
  38 class TClonesArray ;
  39 class AliCFManager;
  40 class AliAODRecoDecay;
  41 class AliAODRecoDecayHF2Prong;
  42 class AliAODMCParticle;
  43 class THnSparse;
  44 class TF1;
  45 class AliRDHFCuts;
  46 class AliCFVertexingHF2Prong;
  47 class AliCFVertexingHF3Prong;
  48
  49 class AliCFTaskVertexingHF: public AliAnalysisTaskSE {
  50 public:
  51
  52         enum {
  53                 kStepGeneratedLimAcc = 0,
  54                 kStepGenerated       = 1,
  55                 kStepAcceptance      = 2,
  56                 kStepVertex          = 3,
  57                 kStepRefit           = 4,
  58                 kStepReconstructed   = 5,
  59                 kStepRecoAcceptance  = 6,
  60                 kStepRecoITSClusters = 7,
  61                 kStepRecoPPR         = 8,
  62                 kStepRecoPID         = 9
  63         };
  64
  65         enum {
  66                 kSnail = 0,    // slow configuration, all variables
  67                 kCheetah = 1   // fast configuration, only a subset of variables
  68         };
  69
  70         enum {
  71           kAll = 0,   // all decays (resonant + non-resonant)
  72           kNonResonant = 1, // only non resonant
  73           kL1520 = 2,  // Lc --> L(1520) + p
  74           kKstar = 3,  // Lc --> K* + pi
  75           kDelta = 4   // Lc --> Delta + K
  76         };
  77
  78         AliCFTaskVertexingHF();
  79         AliCFTaskVertexingHF(const Char_t* name, AliRDHFCuts* cuts, TF1* func = 0x0);
  80         AliCFTaskVertexingHF& operator= (const AliCFTaskVertexingHF& c);
  81         AliCFTaskVertexingHF(const AliCFTaskVertexingHF& c);
  82         virtual ~AliCFTaskVertexingHF();
  83
  84         // ANALYSIS FRAMEWORK STUFF to loop on data and fill output objects
  85         void     UserCreateOutputObjects();
  86         void     UserExec(Option_t *option);
  87         void     Init();
  88         void     LocalInit() {Init();}
  89         void     Terminate(Option_t *);
  90
  91         // UNFOLDING
  92         void     SetCorrelationMatrix(THnSparse* h) {fCorrelation=h;}
  93         void     SetAcceptanceUnf(Bool_t AcceptanceUnf) {fAcceptanceUnf = AcceptanceUnf;}
  94         Bool_t   GetAcceptanceUnf() const {return fAcceptanceUnf;}
  95
  96
  97         // CORRECTION FRAMEWORK RELATED FUNCTIONS
  98         void           SetCFManager(AliCFManager* io) {fCFManager = io;}   // global correction manager
  99         AliCFManager * GetCFManager()                 {return fCFManager;} // get corr manager
 100
 101         // Setters (and getters) for the config macro
 102         void    SetFillFromGenerated(Bool_t flag) {fFillFromGenerated = flag;}
 103         Bool_t  GetFillFromGenerated() const {return fFillFromGenerated;}
 104         void    SetDecayChannel (Int_t decayChannel) {fDecayChannel = decayChannel;}
 105         Int_t   GetDecayChannel () {return fDecayChannel;}
 106         void     SetUseWeight(Bool_t useWeight){fUseWeight=useWeight;}
 107         Bool_t   GetUseWeight() const {return fUseWeight;}
 108         Double_t GetWeight(Float_t pt);
 109         Double_t dNdptFit(Float_t pt, Double_t* par);
 110
 111         void SetUseFlatPtWeight(Bool_t useWeight){fUseFlatPtWeight=useWeight; fUseWeight=useWeight;}
 112         Bool_t GetUseFlatPtWeight() const {return fUseFlatPtWeight;}
 113         void SetUseZWeight(Bool_t useWeight){fUseZWeight=useWeight;}
 114         Bool_t GetUseZWeight() const {return fUseZWeight;}
 115         Double_t GetZWeight(Float_t z, Int_t runnumber);
 116         Double_t DodzFit(Float_t z, Double_t* par);
 117
 118         void SetUseNchWeight(Bool_t useWeight){fUseNchWeight=useWeight;}
 119         Bool_t GetUseNchWeight() const {return fUseNchWeight;}
 120         void SetMCNchHisto(TH1F* h){
 121           if(fHistoMCNch) delete fHistoMCNch;
 122           fHistoMCNch=new TH1F(*h);
 123         }
 124         void CreateMeasuredNchHisto();
 125         Double_t GetNchWeight(Int_t nch);
 126
 127         void   SetDselection(UShort_t originDselection) {fOriginDselection=originDselection;}
 128         UShort_t GetDselection (){return fOriginDselection;}
 129         void SetSign(Char_t isSign) {fSign = isSign;}
 130         Char_t GetSign() {return fSign;}
 131
 132         void SetCentralitySelection(Bool_t centSelec = kTRUE) {fCentralitySelection = centSelec;}
 133         Bool_t GetCentralitySelection() {return fCentralitySelection;}
 134
 135         void SetFakeSelection(Int_t fakeSel = 0) {fFakeSelection=fakeSel;}
 136         Int_t GetFakeSelection(){return fFakeSelection;}
 137
 138         void SetRejectCandidateIfNotFromQuark(Bool_t opt){fRejectIfNoQuark=opt;}
 139         Bool_t GetRejectCandidateIfNotFromQuark(){return fRejectIfNoQuark;}
 140
 141         void SetUseMCVertex(Bool_t opt){fUseMCVertex=opt;}
 142         Bool_t GetUseMCVertex(){return fUseMCVertex;}
 143
 144
 145         void SetKeepDsViaPhi(){fDsOption=1;}
 146         void SetKeepDsViaK0star(){fDsOption=2;}
 147         void SetKeepAllDs(){fDsOption=3;}
 148         void SetCountAllDs(){fGenDsOption=AliCFVertexingHF3Prong::kCountAllDsKKpi;}
 149         void SetCountDsViaPhi(){fGenDsOption=AliCFVertexingHF3Prong::kCountPhipi;}
 150         void SetCountDsViaK0star(){fGenDsOption=AliCFVertexingHF3Prong::kCountK0stK;}
 151         void SetCountResonantDs(){fGenDsOption=AliCFVertexingHF3Prong::kCountResonant;}
 152         void SetCountNonResonantDs(){fGenDsOption=AliCFVertexingHF3Prong::kCountNonResonant;}
 153
 154         Bool_t ProcessDs(Int_t returnCodeDs) const;
 155
 156         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;}
 157         Int_t GetConfiguration() const {return fConfiguration;}
 158
 159         void SetWeightFunction(TF1* func) {fFuncWeight = func;}
 160         TF1* GetWeightFunction() const {return fFuncWeight;}
 161
 162         void SetResonantDecay(UInt_t resonantDecay) {fResonantDecay = resonantDecay;}
 163         UInt_t GetResonantDecay() const {return fResonantDecay;}
 164
 165         void SetKeepLctoK0Sp() {fLctoV0bachelorOption=1;}
 166         void SetKeepLctoLambdaBarpi() {fLctoV0bachelorOption=2;}
 167         void SetKeepLctoLambdapi() {fLctoV0bachelorOption=4;}
 168         void SetKeepLctoV0bachelor() {fLctoV0bachelorOption=7;}
 169
 170         void SetCountAllLctoBachelor(){fGenLctoV0bachelorOption=AliCFVertexingHFLctoV0bachelor::kCountAllLctoV0;}
 171         void SetCountLctoK0Sp(){fGenLctoV0bachelorOption=AliCFVertexingHFLctoV0bachelor::kCountK0Sp;}
 172         void SetCountLambdaBarpi(){fGenLctoV0bachelorOption=AliCFVertexingHFLctoV0bachelor::kCountLambdapi;}
 173
 174         Bool_t ProcessLctoV0Bachelor(Int_t returnCodeDs) const;
 175
 176 protected:
 177         AliCFManager   *fCFManager;   //  pointer to the CF manager
 178         TH1I *fHistEventsProcessed;   //! simple histo for monitoring the number of events processed
 179         THnSparse* fCorrelation;      //  response matrix for unfolding
 180         Int_t fCountMC;               //  MC particle found
 181         Int_t fCountAcc;              //  MC particle found that satisfy acceptance cuts
 182         Int_t fCountVertex;       //  Reco particle found that satisfy vertex constrained
 183         Int_t fCountRefit;        //  Reco particle found that satisfy kTPCrefit and kITSrefit
 184         Int_t fCountReco;             //  Reco particle found that satisfy cuts
 185         Int_t fCountRecoAcc;          //  Reco particle found that satisfy cuts in requested acceptance
 186         Int_t fCountRecoITSClusters;  //  Reco particle found that satisfy cuts in n. of ITS clusters
 187         Int_t fCountRecoPPR;          //  Reco particle found that satisfy cuts in PPR
 188         Int_t fCountRecoPID;          //Reco PID step
 189         Int_t fEvents;                //  n. of events
 190         Int_t fDecayChannel;          // decay channel to configure the task
 191         Bool_t fFillFromGenerated;    //  flag to indicate whether data container should be filled with generated values also for reconstructed particles
 192         UShort_t fOriginDselection;      // flag to select D0 origins. 0 Only from charm 1 only from beauty 2 both from charm and beauty
 193         Bool_t fAcceptanceUnf;        //  flag for unfolding before or after cuts.
 194         AliRDHFCuts* fCuts;            // cuts
 195         Bool_t fUseWeight;             //flag to decide whether to use pt-weights != 1 when filling the container or not
 196         Double_t fWeight;              //weight used to fill the container
 197         Bool_t fUseFlatPtWeight;       // flag to decide to use a flat pt shape
 198         Bool_t fUseZWeight;           // flag to decide whether to use z-vtx weights != 1 when filling the container or not
 199         Bool_t fUseNchWeight;         // flag to decide whether to use Ncharged weights != 1 when filling the container or not
 200         Int_t fNvar;                   // number of variables for the container
 201         TString fPartName;    // D meson name
 202         TString fDauNames;    // daughter in fin state
 203         Char_t fSign;                 // flag to decide wheter to keep D0 only (0), D0bar only (1), or both D0 and D0bar (2)
 204         Bool_t fCentralitySelection;  //flag to switch off the centrality selection
 205         Int_t  fFakeSelection;  //selection flag for fakes tracks
 206         Bool_t fRejectIfNoQuark;  // flag to remove events not geenrated with PYTHIA
 207         Bool_t fUseMCVertex;  // flag to use MC vertex (useful when runnign in pp)
 208         Int_t  fDsOption;     // Ds decay option (selection level)
 209         Int_t  fGenDsOption;     // Ds decay option (generation level)
 210         Int_t fConfiguration; // configuration (slow / fast) of the CF --> different variables will be allocated (all / reduced number)
 211         TF1* fFuncWeight;     // user-defined function to be used to calculate weights
 212         TH1F* fHistoMeasNch;  // histogram with measured Nch distribution (pp 7 TeV)
 213         TH1F* fHistoMCNch;  // histogram with Nch distribution from MC production
 214         UInt_t fResonantDecay;  // resonant deacy channel to be used if the CF should be run on resonant channels only
 215         Int_t fLctoV0bachelorOption; // Lc->V0+bachelor decay option (selection level)
 216         Int_t fGenLctoV0bachelorOption; // Lc->V0+bachelor decay option (generation level)
 217
 218         ClassDef(AliCFTaskVertexingHF,13); // class for HF corrections as a function of many variables
 219 };
 220
 221 #endif