ROOT
v6-32
Reference Guide
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staff.C
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/// \file
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/// \ingroup tutorial_tree
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/// \notebook -nodraw
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/// Create a plot of the data in `cernstaff.root`
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/// To create `cernstaff.root`, execute tutorial `$ROOTSYS/tutorials/tree/cernbuild.C`
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///
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/// \macro_image
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/// \macro_code
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///
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/// \author Rene Brun
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void
staff
() {
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auto
f
=
TFile::Open
(
"cernstaff.root"
);
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TTree
*
T
=
nullptr
;
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f
->GetObject(
"T"
,T);
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T
->Draw(
"Grade:Age:Cost:Division:Nation"
,
""
,
"gl5d"
);
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if
(
gPad
)
gPad
->Print(
"staff.C.png"
);
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}
f
#define f(i)
Definition
RSha256.hxx:104
gPad
#define gPad
Definition
TVirtualPad.h:305
TFile::Open
static TFile * Open(const char *name, Option_t *option="", const char *ftitle="", Int_t compress=ROOT::RCompressionSetting::EDefaults::kUseCompiledDefault, Int_t netopt=0)
Create / open a file.
Definition
TFile.cxx:4089
TTree
A TTree represents a columnar dataset.
Definition
TTree.h:79
ROOT::Math::Chebyshev::T
double T(double x)
Definition
ChebyshevPol.h:34
staff
Definition
staff.py:1
tutorials
tree
staff.C
ROOT v6-32 - Reference Guide Generated on Thu Dec 12 2024 15:06:29 (GVA Time) using Doxygen 1.9.8