library: libHist
#include "TH2.h"

TH2I


class description - source file - inheritance tree (.pdf)

class TH2I : public TH2, public TArrayI

Inheritance Chart:
TObject
<-
TNamed
TAttLine
TAttFill
TAttMarker
<-
TH1
<-
TH2
TArray
<-
TArrayI
<-
TH2I

    public:
TH2I() TH2I(const char* name, const char* title, Int_t nbinsx, Axis_t xlow, Axis_t xup, Int_t nbinsy, Axis_t ylow, Axis_t yup) TH2I(const char* name, const char* title, Int_t nbinsx, const Double_t* xbins, Int_t nbinsy, Axis_t ylow, Axis_t yup) TH2I(const char* name, const char* title, Int_t nbinsx, Axis_t xlow, Axis_t xup, Int_t nbinsy, const Double_t* ybins) TH2I(const char* name, const char* title, Int_t nbinsx, const Double_t* xbins, Int_t nbinsy, const Double_t* ybins) TH2I(const char* name, const char* title, Int_t nbinsx, const Float_t* xbins, Int_t nbinsy, const Float_t* ybins) TH2I(const TH2I& h2i) virtual ~TH2I() virtual void AddBinContent(Int_t bin) virtual void AddBinContent(Int_t bin, Stat_t w) static TClass* Class() virtual void Copy(TObject& hnew) const virtual TH1* DrawCopy(Option_t* option) const virtual Stat_t GetBinContent(Int_t bin) const virtual Stat_t GetBinContent(Int_t binx, Int_t biny) const virtual Stat_t GetBinContent(Int_t binx, Int_t biny, Int_t) const virtual TClass* IsA() const TH2I& operator=(const TH2I& h1) virtual void Reset(Option_t* option) virtual void SetBinContent(Int_t bin, Stat_t content) virtual void SetBinContent(Int_t binx, Int_t biny, Stat_t content) virtual void SetBinContent(Int_t binx, Int_t biny, Int_t, Stat_t content) virtual void SetBinsLength(Int_t n = -1) virtual void ShowMembers(TMemberInspector& insp, char* parent) virtual void Streamer(TBuffer& b) void StreamerNVirtual(TBuffer& b)

Data Members




Class Description

 Service class for 2-Dim histogram classes

  TH2C a 2-D histogram with one byte per cell (char)
  TH2S a 2-D histogram with two bytes per cell (short integer)
  TH2I a 2-D histogram with four bytes per cell (32 bits integer)
  TH2F a 2-D histogram with four bytes per cell (float)
  TH2D a 2-D histogram with eight bytes per cell (double)


TH2I(): TH2()

~TH2I()

TH2I(const char *name,const char *title,Int_t nbinsx,Axis_t xlow,Axis_t xup ,Int_t nbinsy,Axis_t ylow,Axis_t yup) :TH2(name,title,nbinsx,xlow,xup,nbinsy,ylow,yup)

TH2I(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins ,Int_t nbinsy,Axis_t ylow,Axis_t yup) :TH2(name,title,nbinsx,xbins,nbinsy,ylow,yup)

TH2I(const char *name,const char *title,Int_t nbinsx,Axis_t xlow,Axis_t xup ,Int_t nbinsy,const Double_t *ybins) :TH2(name,title,nbinsx,xlow,xup,nbinsy,ybins)

TH2I(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins ,Int_t nbinsy,const Double_t *ybins) :TH2(name,title,nbinsx,xbins,nbinsy,ybins)

TH2I(const char *name,const char *title,Int_t nbinsx,const Float_t *xbins ,Int_t nbinsy,const Float_t *ybins) :TH2(name,title,nbinsx,xbins,nbinsy,ybins)

TH2I(const TH2I &h2i) : TH2(), TArrayI()

void AddBinContent(Int_t bin)
*-*-*-*-*-*-*-*-*-*Increment bin content by 1*-*-*-*-*-*-*-*-*-*-*-*-*-*
*-*                ==========================

void AddBinContent(Int_t bin, Stat_t w)
*-*-*-*-*-*-*-*-*-*Increment bin content by w*-*-*-*-*-*-*-*-*-*-*-*-*-*
*-*                ==========================

void Copy(TObject &newth2) const

TH1* DrawCopy(Option_t *option) const

Stat_t GetBinContent(Int_t bin) const

void Reset(Option_t *option)
*-*-*-*-*-*-*-*Reset this histogram: contents, errors, etc*-*-*-*-*-*-*-*
*-*            ===========================================

void SetBinContent(Int_t bin, Stat_t content)
 Set bin content

void SetBinsLength(Int_t n)
 Set total number of bins including under/overflow
 Reallocate bin contents array



Inline Functions


             Stat_t GetBinContent(Int_t binx, Int_t biny) const
             Stat_t GetBinContent(Int_t binx, Int_t biny, Int_t) const
               void SetBinContent(Int_t binx, Int_t biny, Stat_t content)
               void SetBinContent(Int_t binx, Int_t biny, Int_t, Stat_t content)
              TH2I& operator=(const TH2I& h1)
            TClass* Class()
            TClass* IsA() const
               void ShowMembers(TMemberInspector& insp, char* parent)
               void Streamer(TBuffer& b)
               void StreamerNVirtual(TBuffer& b)


Author: Rene Brun 26/12/94
Last update: root/hist:$Name: $:$Id: TH2.cxx,v 1.60 2004/11/23 14:45:02 brun Exp $
Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *


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