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Reference Guide
ratioplot5.C
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1/// \file
2/// \ingroup tutorial_hist
3/// \notebook
4/// Example that shows how you can set the colors of the confidence interval bands by using
5/// the method `TRatioPlot::SetConfidenceIntervalColors`.
6///
7/// \macro_image
8/// \macro_code
9///
10/// \author Paul Gessinger
11
12void ratioplot5() {
14 auto c1 = new TCanvas("c1", "fit residual simple");
15 auto h1 = new TH1D("h1", "h1", 50, -5, 5);
16 h1->FillRandom("gaus", 2000);
17 h1->Fit("gaus","0");
18 h1->GetXaxis()->SetTitle("x");
19 h1->GetYaxis()->SetTitle("y");
20 auto rp1 = new TRatioPlot(h1);
21 rp1->SetConfidenceIntervalColors(kBlue, kRed);
22 rp1->Draw();
23}
@ kRed
Definition: Rtypes.h:66
@ kBlue
Definition: Rtypes.h:66
R__EXTERN TStyle * gStyle
Definition: TStyle.h:414
The Canvas class.
Definition: TCanvas.h:23
1-D histogram with a double per channel (see TH1 documentation)}
Definition: TH1.h:620
TAxis * GetXaxis()
Definition: TH1.h:322
virtual void FillRandom(const char *fname, Int_t ntimes=5000, TRandom *rng=nullptr)
Fill histogram following distribution in function fname.
Definition: TH1.cxx:3513
virtual TFitResultPtr Fit(const char *formula, Option_t *option="", Option_t *goption="", Double_t xmin=0, Double_t xmax=0)
Fit histogram with function fname.
Definition: TH1.cxx:3894
TAxis * GetYaxis()
Definition: TH1.h:323
virtual void SetTitle(const char *title="")
Set the title of the TNamed.
Definition: TNamed.cxx:164
Class for displaying ratios, differences and fit residuals.
Definition: TRatioPlot.h:43
void SetOptStat(Int_t stat=1)
The type of information printed in the histogram statistics box can be selected via the parameter mod...
Definition: TStyle.cxx:1589
return c1
Definition: legend1.C:41
TH1F * h1
Definition: legend1.C:5