TH2D


class description - source file - inheritance tree

class TH2D : public TH2, public TArrayD


    public:
TH2D() TH2D(const char* name, const char* title, Int_t nbinsx, Axis_t xlow, Axis_t xup, Int_t nbinsy, Axis_t ylow, Axis_t yup) TH2D(const char* name, const char* title, Int_t nbinsx, const Double_t* xbins, Int_t nbinsy, Axis_t ylow, Axis_t yup) TH2D(const char* name, const char* title, Int_t nbinsx, Axis_t xlow, Axis_t xup, Int_t nbinsy, const Double_t* ybins) TH2D(const char* name, const char* title, Int_t nbinsx, const Double_t* xbins, Int_t nbinsy, const Double_t* ybins) TH2D(const char* name, const char* title, Int_t nbinsx, const Float_t* xbins, Int_t nbinsy, const Float_t* ybins) TH2D(const TMatrixD& m) TH2D(const TH2D& h2d) virtual ~TH2D() 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(const 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 TH2D& operator=(const TH2D& h1) virtual void Reset(const 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





See also

TProfile2D

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)
  TH2F a 2-D histogram with four bytes per cell (float)
  TH2D a 2-D histogram with eight bytes per cell (double)


TH2D(): TH2()

~TH2D()

TH2D(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)

TH2D(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)

TH2D(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)

TH2D(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)

TH2D(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)

TH2D(const TMatrixD &m) :TH2("TMatrixD","",m.GetNcols(),m.GetColLwb(),1+m.GetColUpb(),m.GetNrows(),m.GetRowLwb(),1+m.GetRowUpb())

TH2D(const TH2D &h2d) : TH2(), TArrayD()

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

void Streamer(TBuffer &R__b)
 Stream an object of class TH2D.



Inline Functions


               void AddBinContent(Int_t bin)
               void AddBinContent(Int_t bin, Stat_t w)
             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)
              TH2D& operator=(const TH2D& h1)
            TClass* Class()
            TClass* IsA() const
               void ShowMembers(TMemberInspector& insp, char* parent)
               void StreamerNVirtual(TBuffer& b)


Author: Rene Brun 26/12/94
Last update: root/hist:$Name: $:$Id: TH2.cxx,v 1.43 2003/05/10 15:52:01 brun Exp $
Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *


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