StGlauberPlotMaker.h

/******************************************************************************
 * $Id: StGlauberPlotMaker.h,v 1.2 2012/04/25 05:02:16 hmasui Exp $
 * $Log: StGlauberPlotMaker.h,v $
 * Revision 1.2  2012/04/25 05:02:16  hmasui
 * 5% increment for centrality bins. Added 3rd harmonic eccentricity
 *
******************************************************************************/

#ifndef __StGlauberPlotMaker_h__
#define __StGlauberPlotMaker_h__

class TGraph ;
class TGraphErrors ;
#include <vector>
#include "TString.h"

//____________________________________________________________________________________________________
// Class StGlauberPlotMaker: Plot average quantity as a function of centrality and evaluate systematic error
class StGlauberPlotMaker {
  public:
    StGlauberPlotMaker(const TString name="Npart"); 
    virtual ~StGlauberPlotMaker(); 

    Int_t Read(const TString filename, const TString type) ;

    void Draw(const UInt_t mode = 0) ;

  private:
    // Functions
    Double_t GetYMinimum() const ; 
    Double_t GetYMaximum() const ; 
    TString GetYTitle() const    ; 

    TGraphErrors* Divide(const TGraphErrors& g0, const TGraphErrors& g1) const ;

    TGraphErrors* SystematicErrors(const UInt_t mode) ;

    // Data members
    enum {
      mNCentrality = 16  // 16 centrality bins in 0-80% (5% increment)
    };
    const TString mName                   ; 
    std::vector<TGraphErrors*> mGraph     ; 
    std::vector<TGraphErrors*> mGraphDraw ; 

    TGraph* mSystematicError        ; 
    static UInt_t mCanvasId ; 
    static UInt_t mGraphId ;  

    ClassDef(StGlauberPlotMaker, 0)
};
#endif