PWG/FLOW/Base/AliFlowLYZHist1.h

   1 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   2  * See cxx source for full Copyright notice                               */
   3
   4 /* $Id: AliFlowLYZHist1.h 29627 2008-10-31 10:30:41Z snelling $ */
   5
   6 #ifndef AliFlowLYZHist1_H
   7 #define AliFlowLYZHist1_H
   8
   9
  10 #include "TComplex.h"  //explicitly called in void Fill(Float_t f, TComplex C);
  11
  12 class TH1D;
  13 class TCollection;
  14 class TList;
  15 class TBrowser;
  16
  17 // Description: Class to organise histograms for Flow
  18 //              by the LeeYangZeros method in the first run.
  19 //              Also includes methods to find the first minimum R0
  20 //              in the generating function.
  21
  22
  23 class AliFlowLYZHist1: public TNamed  {
  24
  25  public:
  26
  27   AliFlowLYZHist1();                          //default constructor
  28   AliFlowLYZHist1(Int_t theta, const char *name ,Bool_t useSum = kTRUE);               //constructor
  29   virtual  ~AliFlowLYZHist1();                //destructor
  30
  31   Bool_t   IsFolder() const {return kTRUE;};
  32   void     Browse(TBrowser *b);
  33
  34   void     Fill(Double_t f, TComplex c);      //fill the histograms
  35   TH1D*    FillGtheta();                      //fills fHistGtheta
  36   Double_t GetR0();                           //get R0
  37   Double_t GetBinCenter(Int_t i);             //Get a bincentre of fHistGtheta
  38   Int_t    GetNBins();                        //Gets Nbins
  39
  40   TH1D*     GetHistGtheta()      {return this->fHistGtheta;} ;
  41   TProfile* GetHistProReGtheta() {return this->fHistProReGtheta;} ;
  42   TProfile* GetHistProImGtheta() {return this->fHistProImGtheta;} ;
  43   TList*    GetHistList()        {return this->fHistList;} ;
  44
  45   virtual Double_t  Merge(TCollection *aList);           //merge function
  46   void              Print(Option_t* option = "") const;  //method to print stats
  47
  48 private:
  49
  50   AliFlowLYZHist1(const AliFlowLYZHist1& aAnalysis);             //copy constructor
  51   AliFlowLYZHist1& operator=(const AliFlowLYZHist1& aAnalysis);  //assignment operator
  52
  53   TH1D*     fHistGtheta;             //holds |Gtheta|^2(r)
  54   TProfile* fHistProReGtheta;        //holds Re of Gtheta(r)
  55   TProfile* fHistProImGtheta;        //holds Im of Gtheta(r)
  56   TList*    fHistList;               //list to hold all histograms
  57
  58   ClassDef(AliFlowLYZHist1,1)        // macro for rootcint
  59     };
  60
  61
  62 #endif