library: libHist
#include "TH2.h"

TH2D

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

class TH2D : public TH2, public TArrayD

Inheritance Chart:

TObject

TNamed

TAttLine

TAttFill

TAttMarker

TH1

TH2

TArray

TArrayD

TH2D

TProfile2D


    public:

                       TH2D()
                       TH2D(const char* name, const char* title, Int_t nbinsx, Double_t xlow, Double_t xup, Int_t nbinsy, Double_t ylow, Double_t yup)
                       TH2D(const char* name, const char* title, Int_t nbinsx, const Double_t* xbins, Int_t nbinsy, Double_t ylow, Double_t yup)
                       TH2D(const char* name, const char* title, Int_t nbinsx, Double_t xlow, Double_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 TMatrixDBase& m)
                       TH2D(const TH2D& h2d)
               virtual ~TH2D()
          virtual void AddBinContent(Int_t bin)
          virtual void AddBinContent(Int_t bin, Double_t w)
        static TClass* Class()
          virtual void Copy(TObject& hnew) const
          virtual TH1* DrawCopy(Option_t* option = "") const
      virtual Double_t GetBinContent(Int_t bin) const
      virtual Double_t GetBinContent(Int_t binx, Int_t biny) const
      virtual Double_t GetBinContent(Int_t binx, Int_t biny, Int_t) const
       virtual TClass* IsA() const
                 TH2D& operator=(const TH2D& h1)
          virtual void Reset(Option_t* option = "")
          virtual void SetBinContent(Int_t bin, Double_t content)
          virtual void SetBinContent(Int_t binx, Int_t biny, Double_t content)
          virtual void SetBinContent(Int_t binx, Int_t biny, Int_t, Double_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)

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)

TH2D()

 Constructor.

~TH2D()

 Destructor.

TH2D(const char *name,const char *title,Int_t nbinsx,Double_t xlow,Double_t xup ,Int_t nbinsy,Double_t ylow,Double_t yup)

 Constructor.

TH2D(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins ,Int_t nbinsy,Double_t ylow,Double_t yup)

 Constructor.

TH2D(const char *name,const char *title,Int_t nbinsx,Double_t xlow,Double_t xup ,Int_t nbinsy,const Double_t *ybins)

 Constructor.

TH2D(const char *name,const char *title,Int_t nbinsx,const Double_t *xbins ,Int_t nbinsy,const Double_t *ybins)

 Constructor.

TH2D(const char *name,const char *title,Int_t nbinsx,const Float_t *xbins ,Int_t nbinsy,const Float_t *ybins)

 Constructor.

TH2D(const TMatrixDBase &m)

 Constructor.

TH2D(const TH2D &h2d)

 Copy constructor.

void Copy(TObject &newth2)

 Copy.

TH1 * DrawCopy(Option_t *option)

 Draw copy.

Double_t GetBinContent(Int_t bin)

 Get bin content.

void Reset(Option_t *option)

*-*-*-*-*-*-*-*Reset this histogram: contents, errors, etc*-*-*-*-*-*-*-*
*-*            ===========================================

void SetBinContent(Int_t bin, Double_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.

TH2D& operator=(const TH2D &h1)

 Operator =

void AddBinContent(Int_t bin)

void AddBinContent(Int_t bin, Double_t w)

Double_t GetBinContent(Int_t bin)

Double_t GetBinContent(Int_t binx, Int_t biny)

void SetBinContent(Int_t bin, Double_t content)

void SetBinContent(Int_t binx, Int_t biny, Double_t content)

Author: Rene Brun 26/12/94
Last update: root/hist:$Name: $:$Id: TH2.cxx,v 1.97 2006/07/03 12:12:21 brun Exp $
Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *

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TH2D

class TH2D : public TH2, public TArrayD

Data Members

Class Description