Logo ROOT  
Reference Guide
exclusiongraph.C
Go to the documentation of this file.
1/// \file
2/// \ingroup tutorial_graphs
3/// \notebook
4/// Draw three graphs with an exclusion zone.
5///
6/// \macro_image
7/// \macro_code
8///
9/// \author Olivier Couet
10
11TCanvas *exclusiongraph() {
12 TCanvas *c1 = new TCanvas("c1","Exclusion graphs examples",200,10,600,400);
13 c1->SetGrid();
14
15 TMultiGraph *mg = new TMultiGraph();
16 mg->SetTitle("Exclusion graphs");
17
18 const Int_t n = 35;
19 Double_t xvalues1[n], xvalues2[n], xvalues3[n], yvalues1[n], yvalues2[n], yvalues3[n];
20 for (Int_t i=0;i<n;i++) {
21 xvalues1[i] = i*0.1;
22 xvalues2[i] = xvalues1[i];
23 xvalues3[i] = xvalues1[i]+.5;
24 yvalues1[i] = 10*sin(xvalues1[i]);
25 yvalues2[i] = 10*cos(xvalues1[i]);
26 yvalues3[i] = 10*sin(xvalues1[i])-2;
27 }
28
29 TGraph *gr1 = new TGraph(n,xvalues1,yvalues1);
30 gr1->SetLineColor(2);
31 gr1->SetLineWidth(1504);
32 gr1->SetFillStyle(3005);
33
34 TGraph *gr2 = new TGraph(n,xvalues2,yvalues2);
35 gr2->SetLineColor(4);
36 gr2->SetLineWidth(-2002);
37 gr2->SetFillStyle(3004);
38 gr2->SetFillColor(9);
39
40 TGraph *gr3 = new TGraph(n,xvalues3,yvalues3);
41 gr3->SetLineColor(5);
42 gr3->SetLineWidth(-802);
43 gr3->SetFillStyle(3002);
44 gr3->SetFillColor(2);
45
46 mg->Add(gr1);
47 mg->Add(gr2);
48 mg->Add(gr3);
49 mg->Draw("AC");
50
51 return c1;
52}
int Int_t
Definition: RtypesCore.h:45
double Double_t
Definition: RtypesCore.h:59
virtual void SetFillColor(Color_t fcolor)
Set the fill area color.
Definition: TAttFill.h:37
virtual void SetFillStyle(Style_t fstyle)
Set the fill area style.
Definition: TAttFill.h:39
virtual void SetLineWidth(Width_t lwidth)
Set the line width.
Definition: TAttLine.h:43
virtual void SetLineColor(Color_t lcolor)
Set the line color.
Definition: TAttLine.h:40
The Canvas class.
Definition: TCanvas.h:23
A TGraph is an object made of two arrays X and Y with npoints each.
Definition: TGraph.h:41
A TMultiGraph is a collection of TGraph (or derived) objects.
Definition: TMultiGraph.h:34
RVec< PromoteType< T > > cos(const RVec< T > &v)
Definition: RVec.hxx:1798
RVec< PromoteType< T > > sin(const RVec< T > &v)
Definition: RVec.hxx:1797
return c1
Definition: legend1.C:41
const Int_t n
Definition: legend1.C:16
static constexpr double mg