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master
Reference Guide
legend3.C
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1
{
2
TCanvas
*
c3
=
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
->
SetNColumns
(2);
8
9
leg
->
AddEntry
(
h
,
"Column 1 line 1"
,
"l"
);
10
leg
->
AddEntry
(
h
,
"Column 2 line 1"
,
"l"
);
11
leg
->
AddEntry
(
h
,
"Column 1 line 2"
,
"l"
);
12
leg
->
AddEntry
(
h
,
"Column 2 line 2"
,
"l"
);
13
14
leg
->
Draw
();
15
return
c3
;
16
}
17
c3
return c3
Definition:
legend3.C:15
SetNColumns
leg SetNColumns(2)
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
TH1
TH1 is the base class of all histogramm classes in ROOT.
Definition:
TH1.h:58
leg
TLegend * leg
Definition:
legend3.C:4
TLegend::Draw
virtual void Draw(Option_t *option="")
Draw this legend with its current attributes.
Definition:
TLegend.cxx:423
h
TH1 * h
Definition:
legend3.C:5
TLegend
This class displays a legend box (TPaveText) containing several legend entries.
Definition:
TLegend.h:23
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legend3.C
ROOT master - Reference Guide Generated on Sun Jan 17 2021 12:08:24 (GVA Time) using Doxygen 1.9.0