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Reference Guide
legend2.C
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1 {
2  TCanvas *c2 = new TCanvas("c2","c2",500,300);
3 
4  TLegend* leg = new TLegend(0.2, 0.2, .8, .8);
5  TH1* h = new TH1F("", "", 1, 0, 1);
6 
7  leg->AddEntry(h, "Histogram \"h\"", "l");
8  leg->AddEntry((TObject*)0, "", "");
9  leg->AddEntry((TObject*)0, "Some text", "");
10  leg->AddEntry((TObject*)0, "", "");
11  leg->AddEntry(h, "Histogram \"h\" again", "l");
12 
13  leg->Draw();
14  return c2;
15 }
16 
h
TH1 * h
Definition: legend2.C:5
leg
TLegend * leg
Definition: legend2.C:4
TLegend::AddEntry
TLegendEntry * AddEntry(const TObject *obj, const char *label="", Option_t *option="lpf")
Add a new entry to this legend.
Definition: TLegend.cxx:330
TCanvas
The Canvas class.
Definition: TCanvas.h:23
TH1F
1-D histogram with a float per channel (see TH1 documentation)}
Definition: TH1.h:575
TObject
Mother of all ROOT objects.
Definition: TObject.h:37
TH1
TH1 is the base class of all histogramm classes in ROOT.
Definition: TH1.h:58
c2
return c2
Definition: legend2.C:14
TLegend::Draw
virtual void Draw(Option_t *option="")
Draw this legend with its current attributes.
Definition: TLegend.cxx:423
TLegend
This class displays a legend box (TPaveText) containing several legend entries.
Definition: TLegend.h:23