KVHistogram.h

 
#ifndef __KVHISTOGRAM_H
#define __KVHISTOGRAM_H
 
#include "KVBase.h"
#include "TH1.h"
#include "TCutG.h"
#include "KVNameValueList.h"
 
class KVHistogram : public KVBase {
protected:
    TH1* fHisto;
    TCutG* fCut;
    KVNameValueList fParams;
 
   Double_t GetMean(Int_t axis = 1) const;
 
public:
   KVHistogram(TH1* h = nullptr);
   KVHistogram(TCutG* cut);
   virtual ~KVHistogram();
 
   static void ParseHistoTitle(const Char_t* title, KVString& exp, KVString& sel, KVString& weight);
   static void ParseExpressionString(const Char_t* exp, KVString& varX, KVString& varY,
                                     KVString& varZ);
 
   TH1* GetHisto() const
   {
      return fHisto;
   }
   TCutG* GetCut() const
   {
      return fCut;
   }
   Bool_t IsProfile() const
   {
      return (fHisto && fHisto->InheritsFrom("TProfile"));
   }
   Bool_t IsTH2() const
   {
      return (fHisto && fHisto->InheritsFrom("TH2"));
   }
   Bool_t IsTH1() const
   {
      return (fHisto && !IsProfile() && !IsTH2());
   }
   const Char_t* GetExpression() const;
   const Char_t* GetHistoTitle() const;
   const Char_t* GetVarX() const;
   const Char_t* GetVarY() const;
   const Char_t* GetVarZ() const;
   const Char_t* GetSelection() const;
   const Char_t* GetWeight() const;
   Double_t GetMeanX() const
   {
      return GetMean();
   }
   Double_t GetMeanY() const
   {
      return GetMean(2);
   }
   const Char_t* GetMeanRMSX() const;
   const Char_t* GetMeanRMSY() const;
 
   void SetWeight(const Char_t*);
 
   void ls(Option_t* option = "") const override;
 
   TObject* GetObject() const override;
   void ParseExpressionAndSelection();
 
   ClassDefOverride(KVHistogram, 1) //Wrapper for histograms used by KVTreeAnalyzer
};
 
#endif