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staff.C
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1 /// \file
2 /// \ingroup tutorial_tree
3 /// \notebook -nodraw
4 /// Create a plot of the data in `cernstaff.root`
5 /// To create `cernstaff.root`, execute tutorial `$ROOTSYS/tutorials/tree/cernbuild.C`
6 ///
7 /// \macro_image
8 /// \macro_code
9 ///
10 /// \author Rene Brun
11 
12 void staff() {
13  auto f = TFile::Open("cernstaff.root");
14  TTree *T = nullptr;
15  f->GetObject("T",T);
16  T->Draw("Grade:Age:Cost:Division:Nation","","gl5d");
17  if (gPad) gPad->Print("staff.C.png");
18 }