PWG2/FLOW/AliFlowCommon/AliFlowAnalysisWithScalarProduct.h

   1 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   2  * See cxx source for full Copyright notice                               */
   3
   4 /* $Id$ */
   5
   6
   7 #ifndef ALIFLOWANALYSISWITHSCALARPRODUCT_H
   8 #define ALIFLOWANALYSISWITHSCALARPRODUCT_H
   9
  10 class AliFlowTrackSimple;
  11 class AliFlowEventSimple;
  12 class AliFlowCommonHist;
  13 class AliFlowCommonHistResults;
  14
  15 class TH1D;
  16 class TH2D;
  17 class TProfile;
  18 #include  "TList.h"
  19 class TDirectoryFile;
  20
  21 /////////////////////////////////////////////////////////////////////////////
  22 // Description: Maker to analyze Flow from the Event Plane method.
  23 //              Adaptation based on Scalar Product
  24 // authors: Naomi van del Kolk (kolk@nikhef.nl)
  25 //          Ante Bilandzic (anteb@nikhef.nl)
  26 // mods:    Carlos Perez (cperez@nikhef.nl)
  27 /////////////////////////////////////////////////////////////////////////////
  28
  29 class AliFlowAnalysisWithScalarProduct {
  30  public:
  31
  32    AliFlowAnalysisWithScalarProduct();            //default constructor
  33    virtual  ~AliFlowAnalysisWithScalarProduct();  //destructor
  34
  35    void Init();                                       //Define output objects
  36    void Make(AliFlowEventSimple* anEvent);            //Main routine
  37    void GetOutputHistograms(TList *outputListHistos); //Copy output objects from TList
  38    void Finish();                                     //Fill results
  39    void WriteHistograms(TDirectoryFile *outputFileName); //writes histograms locally (for OnTheFly)
  40
  41
  42    void SetHarmonic(Int_t iHarmonic)          { fHarmonic = iHarmonic; }
  43    void SetApplyCorrectionForNUA(Bool_t iVal) { fApplyCorrectionForNUA = iVal?1:0; }
  44    void SetNormalizationType(Int_t iVal)      { fNormalizationType = iVal; }
  45    void SetDebug(Bool_t bVal)                 { fDebug = bVal; }
  46    void SetTotalQvector(Int_t iVal)           { fTotalQvector = iVal; }
  47
  48    void SetUsePhiWeights(Bool_t bVal)        { fUsePhiWeights = bVal; }
  49    void SetWeightsList(TList* const aWeightsList)  { fWeightsList = (TList*)aWeightsList->Clone(); }
  50
  51    TList*    GetHistList()      { return fHistList; }
  52    TProfile* GetHistProConfig() { return fHistProConfig; }
  53    TProfile* GetHistProUQ(Int_t iRFPorPOI, Int_t iPTorETA) { return fHistProUQ[iRFPorPOI][iPTorETA]; }
  54    TProfile* GetHistProQaQbNorm()   { return fHistProQaQbNorm; }
  55    TProfile* GetHistProNUAq()   { return fHistProNUAq; }
  56    TProfile* GetHistProNUAu(Int_t iRFPorPOI, Int_t iPTorETA, Int_t iIMorRE) { return fHistProNUAu[iRFPorPOI][iPTorETA][iIMorRE]; }
  57    TH1D*     GetHistSumOfWeights() { return fHistSumOfWeights; }
  58    TProfile* GetHistProUQQaQb( Int_t iRFPorPOI, Int_t iPTorETA ) { return fHistProUQQaQb[iRFPorPOI][iPTorETA]; }
  59    TH1D*     GetHistSumOfWeightsu(Int_t iRFPorPOI, Int_t iPTorETA, Int_t iWeight) { return fHistSumOfWeightsu[iRFPorPOI][iPTorETA][iWeight]; }
  60    AliFlowCommonHist*        GetCommonHists()    { return fCommonHists; }
  61    AliFlowCommonHistResults* GetCommonHistsRes() { return fCommonHistsRes; }
  62
  63  private:
  64    AliFlowAnalysisWithScalarProduct(const AliFlowAnalysisWithScalarProduct& anAnalysis);            //copy constructor
  65    AliFlowAnalysisWithScalarProduct& operator=(const AliFlowAnalysisWithScalarProduct& anAnalysis); //assignment operator
  66    Double_t CalculateStatisticalError( Int_t RFPorPOI, Int_t PTorETA, Int_t bin, Double_t errV );
  67    Double_t computeResolution( Double_t x );
  68    Double_t findXi( Double_t res, Double_t prec );
  69
  70
  71    Int_t fDebug ;                // flag for analysis: more print statements
  72    Int_t fUsePhiWeights;         // use phi weights
  73    Int_t fApplyCorrectionForNUA; // apply correction for non-uniform acceptance
  74    Int_t fHarmonic;              // harmonic
  75    Int_t fNormalizationType;     // 0: EP mode || 1: SP mode
  76    Int_t fTotalQvector;          // 1:Qa 2:Qb 3:QaQb
  77
  78    TList*     fWeightsList;      // list holding input histograms with phi weights
  79    TList*     fHistList;         // list to hold all output histograms
  80    TProfile*  fHistProConfig;    // configuration values
  81    TProfile*  fHistProQaQbNorm;  // average of QaQb
  82    TH1D*      fHistSumOfWeights; // holds sum of Na*Nb and (Na*Nb)^2
  83    TProfile*  fHistProNUAq;      // NUA related qq
  84
  85    //QAHists
  86    TProfile* fHistProQNorm;
  87    TProfile* fHistProQaQb;
  88    TProfile* fHistProQaQbM;
  89    TH2D* fHistMaMb;
  90    TH2D* fHistQNormQaQbNorm;
  91    TH2D* fHistQaNormMa;
  92    TH2D* fHistQbNormMb;
  93    TH1D* fResolution;
  94    TH1D* fHistQaQb;
  95    TH1D* fHistQaQbCos;
  96
  97    AliFlowCommonHist*        fCommonHists;    // control histograms
  98    AliFlowCommonHist*        fCommonHistsuQ;  // control histograms
  99    AliFlowCommonHistResults* fCommonHistsRes; // results histograms
 100
 101    TH1F*      fPhiWeightsSub[2];           // histogram holding phi weights for subevents
 102    TProfile*  fHistProUQ[2][2];            // uQ for RP|POI PT|ETA
 103    TProfile*  fHistProUQQaQb[2][2];        // holds weighted average of <QuQaQb> for RP|POI PT|ETA
 104    TH1D*      fHistSumOfWeightsu[2][2][3]; // holds sums of 0: Nq', 1: Nq'^2, 2: Nq'*Na*Nb
 105    TProfile*  fHistProNUAu[2][2][2];          // NUA related qq for RP|POI PT|ETA
 106
 107    ClassDef(AliFlowAnalysisWithScalarProduct,0)  // class version
 108 };
 109
 110
 111 #endif