TGraph

class TGraph : public TNamed, public TAttLine, public TAttFill, public TAttMarker

    protected:

      virtual void SwapPoints(Int_t pos1, Int_t pos2)
       static void SwapValues(Double_t* arr, Int_t pos1, Int_t pos2)

    public:

                       TGraph()
                       TGraph(Int_t n)
                       TGraph(Int_t n, const Int_t* x, const Int_t* y)
                       TGraph(Int_t n, const Float_t* x, const Float_t* y)
                       TGraph(Int_t n, const Double_t* x, const Double_t* y)
                       TGraph(const TVector& vx, const TVector& vy)
                       TGraph(const TVectorD& vx, const TVectorD& vy)
                       TGraph(const TH1* h)
                       TGraph(const TF1* f, Option_t* option)
                       TGraph(const char* filename, const char* format = "%lg %lg", Option_t* option)
                       TGraph(const TGraph&)
               virtual ~TGraph()
          virtual void Apply(TF1* f)
          virtual void Browse(TBrowser* b)
        static TClass* Class()
         static Bool_t CompareRadius(const TGraph* gr, Int_t left, Int_t right)
         static Bool_t CompareX(const TGraph* gr, Int_t left, Int_t right)
         static Bool_t CompareY(const TGraph* gr, Int_t left, Int_t right)
                  void ComputeLogs(Int_t npoints, Int_t opt)
          virtual void ComputeRange(Double_t& xmin, Double_t& ymin, Double_t& xmax, Double_t& ymax) const
         virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
          virtual void Draw(Option_t* chopt)
          virtual void DrawGraph(Int_t n, const Double_t* x, const Double_t* y, Option_t* option)
          virtual void DrawGraph(Int_t n, const Int_t* x, const Int_t* y, Option_t* option)
          virtual void DrawGraph(Int_t n, const Float_t* x, const Float_t* y, Option_t* option)
          virtual void DrawPanel()
          virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py)
      virtual TObject* FindObject(const char* name) const
      virtual TObject* FindObject(const TObject* obj) const
         virtual Int_t Fit(const char* formula, Option_t* option, Option_t* goption, Axis_t xmin = 0, Axis_t xmax = 0)
         virtual Int_t Fit(TF1* f1, Option_t* option, Option_t* goption, Axis_t xmin = 0, Axis_t xmax = 0)
          virtual void FitPanel()
      virtual Double_t GetCorrelationFactor() const
      virtual Double_t GetCovariance() const
      virtual Double_t GetErrorX(Int_t bin) const
      virtual Double_t GetErrorY(Int_t bin) const
                  TF1* GetFunction(const char* name) const
                 TH1F* GetHistogram() const
                TList* GetListOfFunctions() const
      virtual Double_t GetMean(Int_t axis = 1) const
                 Int_t GetN() const
          virtual void GetPoint(Int_t i, Double_t& x, Double_t& y)
      virtual Double_t GetRMS(Int_t axis = 1) const
             Double_t* GetX() const
                TAxis* GetXaxis() const
             Double_t* GetY() const
                TAxis* GetYaxis() const
          virtual void InitExpo(Int_t first = 0, Int_t last = 0)
          virtual void InitGaus(Int_t first = 0, Int_t last = 0)
          virtual void InitPolynom(Int_t first = 0, Int_t last = 0)
         virtual Int_t InsertPoint()
       virtual TClass* IsA() const
        virtual Bool_t IsEditable() const
          virtual void LeastSquareFit(Int_t m, Double_t* a, Int_t first = 0, Int_t last = 0)
          virtual void LeastSquareLinearFit(Int_t n, Double_t& a0, Double_t& a1, Int_t& ifail, Int_t first, Int_t last)
          virtual void Paint(Option_t* chopt)
          virtual void PaintFit(TF1* fit)
          virtual void PaintGraph(Int_t npoints, const Double_t* x, const Double_t* y, Option_t* option)
          virtual void PaintGrapHist(Int_t npoints, const Double_t* x, const Double_t* y, Option_t* option)
          virtual void Print(Option_t* chopt) const
         virtual Int_t RemovePoint(Int_t ipoint)
         virtual Int_t RemovePoint()
          virtual void SavePrimitive(ofstream& out, Option_t* option)
          virtual void Set(Int_t n)
          virtual void SetEditable(Bool_t editable = kTRUE)
          virtual void SetHistogram(TH1* h)
          virtual void SetMaximum(Double_t maximum = -1111)
          virtual void SetMinimum(Double_t minimum = -1111)
          virtual void SetPoint(Int_t i, Double_t x, Double_t y)
          virtual void SetTitle(const char* title)
          virtual void ShowMembers(TMemberInspector& insp, char* parent)
                  void Smooth(Int_t npoints, Double_t* x, Double_t* y, Int_t drawtype)
          virtual void Sort(Bool_t (*)(const TGraph*, Int_t, Int_t) greater = &TGraph::CompareX, Bool_t ascending = kTRUE, Int_t low = 0, Int_t high = -1111)
          virtual void Streamer(TBuffer& b)
                  void StreamerNVirtual(TBuffer& b)
          virtual void UseCurrentStyle()
                  void Zero(Int_t& k, Double_t AZ, Double_t BZ, Double_t E2, Double_t& X, Double_t& Y, Int_t maxiterations)

Data Members

    protected:

          Int_t fNpoints    Number of points
      Double_t* fX          [fNpoints] array of X points
      Double_t* fY          [fNpoints] array of Y points
         TList* fFunctions  Pointer to list of functions (fits and user)
          TH1F* fHistogram  Pointer to histogram used for drawing axis
       Double_t fMinimum    Minimum value for plotting along y
       Double_t fMaximum    Maximum value for plotting along y

    public:

      static const enum TGraph:: kClipFrame    
      static const enum TGraph:: kNotEditable  
      static const enum TGraph:: kFitInit      

See also

TCutG, TGraphAsymmErrors, TGraphBentErrors, TGraphErrors

Class Description