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staff.C File Reference

Detailed Description

View in nbviewer Open in SWAN Create a plot of the data in cernstaff.root To create cernstaff.root, execute tutorial $ROOTSYS/tutorials/tree/cernbuild.C

void staff() {
auto f = TFile::Open("cernstaff.root");
TTree *T = nullptr;
f->GetObject("T",T);
T->Draw("Grade:Age:Cost:Division:Nation","","gl5d");
if (gPad) gPad->Print("staff.C.png");
}
#define f(i)
Definition RSha256.hxx:104
#define gPad
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:3997
A TTree represents a columnar dataset.
Definition TTree.h:79
Definition staff.py:1
Author
Rene Brun

Definition in file staff.C.