// @(#)root/graf:$Name: $:$Id: TGraph.h,v 1.31 2003/04/10 20:12:21 brun Exp $ // Author: Rene Brun, Olivier Couet 12/12/94 /************************************************************************* * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. * * All rights reserved. * * * * For the licensing terms see $ROOTSYS/LICENSE. * * For the list of contributors see $ROOTSYS/README/CREDITS. * *************************************************************************/ #ifndef ROOT_TGraph #define ROOT_TGraph ////////////////////////////////////////////////////////////////////////// // // // TGraph // // // // Graph graphics class. // // // ////////////////////////////////////////////////////////////////////////// #ifndef ROOT_TNamed #include "TNamed.h" #endif #ifndef ROOT_TH1 #include "TH1.h" #endif class TBrowser; class TF1; class TVector; class TVectorD; class TGraph : public TNamed, public TAttLine, public TAttFill, public TAttMarker { 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 static void SwapValues(Double_t* arr, Int_t pos1, Int_t pos2); virtual void SwapPoints(Int_t pos1, Int_t pos2); public: // TGraph status bits enum { kClipFrame = BIT(10), // clip to the frame boundary kNotEditable = BIT(18), // bit set if graph is non editable kFitInit = BIT(19) }; 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=""); virtual ~TGraph(); virtual void Apply(TF1 *f); virtual void Browse(TBrowser *b); 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); static Bool_t CompareRadius(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 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 DrawGraph(Int_t n, const Double_t *x, const Double_t *y, Option_t *option=""); virtual void DrawPanel(); // *MENU* 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); // *MENU* virtual Int_t Fit(TF1 *f1 ,Option_t *option="" ,Option_t *goption="", Axis_t xmin=0, Axis_t xmax=0); // *MENU* virtual void FitPanel(); // *MENU* 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 { return fFunctions; } virtual Double_t GetCorrelationFactor() const; virtual Double_t GetCovariance() const; virtual Double_t GetMean(Int_t axis=1) const; virtual Double_t GetRMS(Int_t axis=1) const; Int_t GetN() const {return fNpoints;} Double_t *GetX() const {return fX;} Double_t *GetY() const {return fY;} TAxis *GetXaxis() const ; TAxis *GetYaxis() const ; virtual void GetPoint(Int_t i, Double_t &x, Double_t &y); 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(); // *MENU* virtual Bool_t IsEditable() const {return !TestBit(kNotEditable);} 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(); // *MENU* virtual Int_t RemovePoint(Int_t ipoint); virtual void SavePrimitive(ofstream &out, Option_t *option); virtual void SetEditable(Bool_t editable=kTRUE); // *MENU* virtual void SetHistogram(TH1 *h) {fHistogram = (TH1F*)h;} virtual void SetMaximum(Double_t maximum=-1111); // *MENU* virtual void SetMinimum(Double_t minimum=-1111); // *MENU* virtual void Set(Int_t n); virtual void SetPoint(Int_t i, Double_t x, Double_t y); virtual void SetTitle(const char *title=""); // *MENU* void Smooth(Int_t npoints, Double_t *x, Double_t *y, Int_t drawtype); virtual void Sort(Bool_t (*greater)(const TGraph*, Int_t, Int_t)=&TGraph::CompareX, Bool_t ascending=kTRUE, Int_t low=0, Int_t high=-1111); 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); ClassDef(TGraph,3) //Graph graphics class }; #endif