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00012 #ifndef ROOT_TGraph
00013 #define ROOT_TGraph
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00021
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00023
00024 #ifndef ROOT_TNamed
00025 #include "TNamed.h"
00026 #endif
00027 #ifndef ROOT_TAttLine
00028 #include "TAttLine.h"
00029 #endif
00030 #ifndef ROOT_TAttFill
00031 #include "TAttFill.h"
00032 #endif
00033 #ifndef ROOT_TAttMarker
00034 #include "TAttMarker.h"
00035 #endif
00036 #ifndef ROOT_TVectorFfwd
00037 #include "TVectorFfwd.h"
00038 #endif
00039 #ifndef ROOT_TVectorDfwd
00040 #include "TVectorDfwd.h"
00041 #endif
00042
00043 class TBrowser;
00044 class TAxis;
00045 class TH1;
00046 class TH1F;
00047 class TCollection;
00048 class TF1;
00049 class TSpline;
00050
00051 #include "TFitResultPtr.h"
00052
00053 class TGraph : public TNamed, public TAttLine, public TAttFill, public TAttMarker {
00054
00055 protected:
00056
00057 Int_t fMaxSize;
00058 Int_t fNpoints;
00059 Double_t *fX;
00060 Double_t *fY;
00061 TList *fFunctions;
00062 TH1F *fHistogram;
00063 Double_t fMinimum;
00064 Double_t fMaximum;
00065
00066 static void SwapValues(Double_t* arr, Int_t pos1, Int_t pos2);
00067 virtual void SwapPoints(Int_t pos1, Int_t pos2);
00068
00069 virtual Double_t **Allocate(Int_t newsize);
00070 Double_t **AllocateArrays(Int_t Narrays, Int_t arraySize);
00071 virtual Bool_t CopyPoints(Double_t **newarrays, Int_t ibegin, Int_t iend, Int_t obegin);
00072 virtual void CopyAndRelease(Double_t **newarrays, Int_t ibegin, Int_t iend, Int_t obegin);
00073 Bool_t CtorAllocate();
00074 Double_t **ExpandAndCopy(Int_t size, Int_t iend);
00075 virtual void FillZero(Int_t begin, Int_t end, Bool_t from_ctor = kTRUE);
00076 Double_t **ShrinkAndCopy(Int_t size, Int_t iend);
00077
00078 public:
00079
00080 enum {
00081 kClipFrame = BIT(10),
00082 kNotEditable = BIT(18)
00083 };
00084
00085 TGraph();
00086 TGraph(Int_t n);
00087 TGraph(Int_t n, const Int_t *x, const Int_t *y);
00088 TGraph(Int_t n, const Float_t *x, const Float_t *y);
00089 TGraph(Int_t n, const Double_t *x, const Double_t *y);
00090 TGraph(const TGraph &gr);
00091 TGraph& operator=(const TGraph&);
00092 TGraph(const TVectorF &vx, const TVectorF &vy);
00093 TGraph(const TVectorD &vx, const TVectorD &vy);
00094 TGraph(const TH1 *h);
00095 TGraph(const TF1 *f, Option_t *option="");
00096 TGraph(const char *filename, const char *format="%lg %lg", Option_t *option="");
00097 virtual ~TGraph();
00098
00099 virtual void Apply(TF1 *f);
00100 virtual void Browse(TBrowser *b);
00101 virtual Double_t Chisquare(const TF1 *f1) const;
00102 static Bool_t CompareArg(const TGraph* gr, Int_t left, Int_t right);
00103 static Bool_t CompareX(const TGraph* gr, Int_t left, Int_t right);
00104 static Bool_t CompareY(const TGraph* gr, Int_t left, Int_t right);
00105 static Bool_t CompareRadius(const TGraph* gr, Int_t left, Int_t right);
00106 virtual void ComputeRange(Double_t &xmin, Double_t &ymin, Double_t &xmax, Double_t &ymax) const;
00107 virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
00108 virtual void Draw(Option_t *chopt="");
00109 virtual void DrawGraph(Int_t n, const Int_t *x, const Int_t *y, Option_t *option="");
00110 virtual void DrawGraph(Int_t n, const Float_t *x, const Float_t *y, Option_t *option="");
00111 virtual void DrawGraph(Int_t n, const Double_t *x=0, const Double_t *y=0, Option_t *option="");
00112 virtual void DrawPanel();
00113 virtual Double_t Eval(Double_t x, TSpline *spline=0, Option_t *option="") const;
00114 virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py);
00115 virtual void Expand(Int_t newsize);
00116 virtual void Expand(Int_t newsize, Int_t step);
00117 virtual TObject *FindObject(const char *name) const;
00118 virtual TObject *FindObject(const TObject *obj) const;
00119 virtual TFitResultPtr Fit(const char *formula ,Option_t *option="" ,Option_t *goption="", Axis_t xmin=0, Axis_t xmax=0);
00120 virtual TFitResultPtr Fit(TF1 *f1 ,Option_t *option="" ,Option_t *goption="", Axis_t xmin=0, Axis_t xmax=0);
00121 virtual void FitPanel();
00122 Bool_t GetEditable() const;
00123 TF1 *GetFunction(const char *name) const;
00124 TH1F *GetHistogram() const;
00125 TList *GetListOfFunctions() const { return fFunctions; }
00126 virtual Double_t GetCorrelationFactor() const;
00127 virtual Double_t GetCovariance() const;
00128 virtual Double_t GetMean(Int_t axis=1) const;
00129 virtual Double_t GetRMS(Int_t axis=1) const;
00130 Int_t GetMaxSize() const {return fMaxSize;}
00131 Int_t GetN() const {return fNpoints;}
00132 virtual Double_t GetErrorX(Int_t bin) const;
00133 virtual Double_t GetErrorY(Int_t bin) const;
00134 virtual Double_t GetErrorXhigh(Int_t bin) const;
00135 virtual Double_t GetErrorXlow(Int_t bin) const;
00136 virtual Double_t GetErrorYhigh(Int_t bin) const;
00137 virtual Double_t GetErrorYlow(Int_t bin) const;
00138 Double_t *GetX() const {return fX;}
00139 Double_t *GetY() const {return fY;}
00140 virtual Double_t *GetEX() const {return 0;}
00141 virtual Double_t *GetEY() const {return 0;}
00142 virtual Double_t *GetEXhigh() const {return 0;}
00143 virtual Double_t *GetEXlow() const {return 0;}
00144 virtual Double_t *GetEYhigh() const {return 0;}
00145 virtual Double_t *GetEYlow() const {return 0;}
00146 virtual Double_t *GetEXlowd() const {return 0;}
00147 virtual Double_t *GetEXhighd() const {return 0;}
00148 virtual Double_t *GetEYlowd() const {return 0;}
00149 virtual Double_t *GetEYhighd() const {return 0;}
00150 Double_t GetMaximum() const {return fMaximum;}
00151 Double_t GetMinimum() const {return fMinimum;}
00152 TAxis *GetXaxis() const ;
00153 TAxis *GetYaxis() const ;
00154 virtual Int_t GetPoint(Int_t i, Double_t &x, Double_t &y) const;
00155
00156 virtual void InitExpo(Double_t xmin=0, Double_t xmax=0);
00157 virtual void InitGaus(Double_t xmin=0, Double_t xmax=0);
00158 virtual void InitPolynom(Double_t xmin=0, Double_t xmax=0);
00159 virtual Int_t InsertPoint();
00160 virtual Double_t Integral(Int_t first=0, Int_t last=-1) const;
00161 virtual Bool_t IsEditable() const {return !TestBit(kNotEditable);}
00162 virtual Int_t IsInside(Double_t x, Double_t y) const;
00163 virtual void LeastSquareFit(Int_t m, Double_t *a, Double_t xmin=0, Double_t xmax=0);
00164 virtual void LeastSquareLinearFit(Int_t n, Double_t &a0, Double_t &a1, Int_t &ifail, Double_t xmin=0, Double_t xmax=0);
00165 virtual Int_t Merge(TCollection* list);
00166 virtual void Paint(Option_t *chopt="");
00167 void PaintGraph(Int_t npoints, const Double_t *x, const Double_t *y, Option_t *chopt);
00168 void PaintGrapHist(Int_t npoints, const Double_t *x, const Double_t *y, Option_t *chopt);
00169 virtual void PaintStats(TF1 *fit);
00170 virtual void Print(Option_t *chopt="") const;
00171 virtual void RecursiveRemove(TObject *obj);
00172 virtual Int_t RemovePoint();
00173 virtual Int_t RemovePoint(Int_t ipoint);
00174 virtual void SavePrimitive(ostream &out, Option_t *option = "");
00175 virtual void SetEditable(Bool_t editable=kTRUE);
00176 virtual void SetHistogram(TH1 *h) {fHistogram = (TH1F*)h;}
00177 virtual void SetMaximum(Double_t maximum=-1111);
00178 virtual void SetMinimum(Double_t minimum=-1111);
00179 virtual void Set(Int_t n);
00180 virtual void SetPoint(Int_t i, Double_t x, Double_t y);
00181 virtual void SetTitle(const char *title="");
00182 virtual void Sort(Bool_t (*greater)(const TGraph*, Int_t, Int_t)=&TGraph::CompareX,
00183 Bool_t ascending=kTRUE, Int_t low=0, Int_t high=-1111);
00184 virtual void UseCurrentStyle();
00185 void Zero(Int_t &k,Double_t AZ,Double_t BZ,Double_t E2,Double_t &X,Double_t &Y,Int_t maxiterations);
00186
00187 ClassDef(TGraph,4)
00188 };
00189
00190 inline Double_t **TGraph::Allocate(Int_t newsize) {
00191 return AllocateArrays(2, newsize);
00192 }
00193
00194 #endif
