ROOT  6.06/09
Reference Guide
TMultiGraph.h
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1 // @(#)root/hist:$Id$
2 // Author: Rene Brun 12/10/2000
3 
4 /*************************************************************************
5  * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
6  * All rights reserved. *
7  * *
8  * For the licensing terms see $ROOTSYS/LICENSE. *
9  * For the list of contributors see $ROOTSYS/README/CREDITS. *
10  *************************************************************************/
11 
12 #ifndef ROOT_TMultiGraph
13 #define ROOT_TMultiGraph
14 
15 
16 //////////////////////////////////////////////////////////////////////////
17 // //
18 // TMultiGraph //
19 // //
20 // A collection of TGraph objects //
21 // //
22 //////////////////////////////////////////////////////////////////////////
23 
24 #ifndef ROOT_TNamed
25 #include "TNamed.h"
26 #endif
27 
28 #include "TF1.h"
29 
30 class TH1F;
31 class TAxis;
32 class TBrowser;
33 class TGraph;
34 
35 #include "TFitResultPtr.h"
36 
37 class TMultiGraph : public TNamed {
38 
39 protected:
40  TList *fGraphs; //Pointer to list of TGraphs
41  TList *fFunctions; //Pointer to list of functions (fits and user)
42  TH1F *fHistogram; //Pointer to histogram used for drawing axis
43  Double_t fMaximum; //Maximum value for plotting along y
44  Double_t fMinimum; //Minimum value for plotting along y
45 
46  TMultiGraph(const TMultiGraph&);
48 
49 public:
50  TMultiGraph();
51  TMultiGraph(const char *name, const char *title);
52  virtual ~TMultiGraph();
53 
54  virtual void Add(TGraph *graph, Option_t *chopt="");
55  virtual void Add(TMultiGraph *multigraph, Option_t *chopt="");
56  virtual void Browse(TBrowser *b);
57  virtual Int_t DistancetoPrimitive(Int_t px, Int_t py);
58  virtual void Draw(Option_t *chopt="");
59  virtual TFitResultPtr Fit(const char *formula ,Option_t *option="" ,Option_t *goption="", Axis_t xmin=0, Axis_t xmax=0);
60  virtual TFitResultPtr Fit(TF1 *f1 ,Option_t *option="" ,Option_t *goption="", Axis_t rxmin=0, Axis_t rxmax=0);
61  virtual void FitPanel(); // *MENU*
62  virtual Option_t *GetGraphDrawOption(const TGraph *gr) const;
63  virtual void LeastSquareLinearFit(Int_t ndata, Double_t &a0, Double_t &a1, Int_t &ifail, Double_t xmin, Double_t xmax);
65  virtual void InitPolynom(Double_t xmin, Double_t xmax);
66  virtual void InitExpo(Double_t xmin, Double_t xmax);
67  virtual void InitGaus(Double_t xmin, Double_t xmax);
68  virtual Int_t IsInside(Double_t x, Double_t y) const;
69  TH1F *GetHistogram() const;
70  TF1 *GetFunction(const char *name) const;
71  TList *GetListOfGraphs() const { return fGraphs; }
72  TList *GetListOfFunctions(); // non const method (create list if empty)
73  const TList *GetListOfFunctions() const { return fFunctions; }
74  TAxis *GetXaxis() const;
75  TAxis *GetYaxis() const;
76  virtual void Paint(Option_t *chopt="");
77  void PaintPads(Option_t *chopt="");
78  void PaintPolyLine3D(Option_t *chopt="");
79  virtual void Print(Option_t *chopt="") const;
80  virtual void RecursiveRemove(TObject *obj);
81  virtual void SavePrimitive(std::ostream &out, Option_t *option = "");
82  virtual void SetMaximum(Double_t maximum=-1111);
83  virtual void SetMinimum(Double_t minimum=-1111);
84 
85  ClassDef(TMultiGraph,2) //A collection of TGraph objects
86 };
87 
88 #endif
89 
90 
const int ndata
void PaintPads(Option_t *chopt="")
Divides the active pad and draws all Graphs in the Multigraph separately.
virtual void SetMinimum(Double_t minimum=-1111)
Set multigraph minimum.
virtual TFitResultPtr Fit(const char *formula, Option_t *option="", Option_t *goption="", Axis_t xmin=0, Axis_t xmax=0)
Fit this graph with function with name fname.
float xmin
Definition: THbookFile.cxx:93
virtual void FitPanel()
Display a panel with all histogram fit options.
TList * GetListOfGraphs() const
Definition: TMultiGraph.h:71
const TList * GetListOfFunctions() const
Definition: TMultiGraph.h:73
const char Option_t
Definition: RtypesCore.h:62
virtual void LeastSquareLinearFit(Int_t ndata, Double_t &a0, Double_t &a1, Int_t &ifail, Double_t xmin, Double_t xmax)
Least square linear fit without weights.
double Axis_t
Definition: RtypesCore.h:72
virtual void InitPolynom(Double_t xmin, Double_t xmax)
Compute Initial values of parameters for a polynom.
A TMultiGraph is a collection of TGraph (or derived) objects.
Definition: TMultiGraph.h:37
1-D histogram with a float per channel (see TH1 documentation)}
Definition: TH1.h:570
int Int_t
Definition: RtypesCore.h:41
TArc * a
Definition: textangle.C:12
virtual void Paint(Option_t *chopt="")
Paint all the graphs of this multigraph.
virtual void RecursiveRemove(TObject *obj)
Recursively remove this object from a list.
Double_t x[n]
Definition: legend1.C:17
#define ClassDef(name, id)
Definition: Rtypes.h:254
The TNamed class is the base class for all named ROOT classes.
Definition: TNamed.h:33
virtual ~TMultiGraph()
TMultiGraph destructor.
TList * GetListOfFunctions()
Return pointer to list of functions.
virtual void Draw(Option_t *chopt="")
Draw this multigraph with its current attributes.
TMultiGraph & operator=(const TMultiGraph &)
Assignement operator.
TAxis * GetXaxis() const
Get x axis of the graph.
virtual void LeastSquareFit(Int_t m, Double_t *a, Double_t xmin, Double_t xmax)
Least squares lpolynomial fitting without weights.
char * out
Definition: TBase64.cxx:29
A doubly linked list.
Definition: TList.h:47
virtual void Print(Option_t *chopt="") const
Print the list of graphs.
Using a TBrowser one can browse all ROOT objects.
Definition: TBrowser.h:41
Class to manage histogram axis.
Definition: TAxis.h:36
virtual Option_t * GetGraphDrawOption(const TGraph *gr) const
Return the draw option for the TGraph gr in this TMultiGraph.
virtual void Browse(TBrowser *b)
Browse multigraph.
Provides an indirection to the TFitResult class and with a semantics identical to a TFitResult pointe...
Definition: TFitResultPtr.h:33
TMarker * m
Definition: textangle.C:8
TList * fFunctions
Definition: TMultiGraph.h:41
float xmax
Definition: THbookFile.cxx:93
virtual void InitExpo(Double_t xmin, Double_t xmax)
Compute Initial values of parameters for an exponential.
TGraphErrors * gr
Definition: legend1.C:25
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
Compute distance from point px,py to each graph.
double Double_t
Definition: RtypesCore.h:55
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save primitive as a C++ statement(s) on output stream out.
Double_t y[n]
Definition: legend1.C:17
Double_t fMaximum
Definition: TMultiGraph.h:43
TH1F * GetHistogram() const
Returns a pointer to the histogram used to draw the axis.
#define name(a, b)
Definition: linkTestLib0.cpp:5
void PaintPolyLine3D(Option_t *chopt="")
Paint all the graphs of this multigraph as 3D lines.
Mother of all ROOT objects.
Definition: TObject.h:58
TList * fGraphs
Definition: TMultiGraph.h:40
virtual void SetMaximum(Double_t maximum=-1111)
Set multigraph maximum.
TH1F * fHistogram
Definition: TMultiGraph.h:42
1-Dim function class
Definition: TF1.h:149
A Graph is a graphics object made of two arrays X and Y with npoints each.
Definition: TGraph.h:53
TF1 * f1
Definition: legend1.C:11
virtual void Add(TGraph *graph, Option_t *chopt="")
Add a new graph to the list of graphs.
TObject * obj
TF1 * GetFunction(const char *name) const
Return pointer to function with name.
virtual void InitGaus(Double_t xmin, Double_t xmax)
Compute Initial values of parameters for a gaussian.
TAxis * GetYaxis() const
Get y axis of the graph.
Double_t fMinimum
Definition: TMultiGraph.h:44
virtual Int_t IsInside(Double_t x, Double_t y) const
Return 1 if the point (x,y) is inside one of the graphs 0 otherwise.