00001 void staff() { 00002 //to create cernstaff.root, execute tutorial $ROOTSYS/tree/cernbuild.C 00003 TFile *f = TFile::Open("$ROOTSYS/tutorials/tree/cernstaff.root"); 00004 TTree *T = (TTree*)f->Get("T"); 00005 T->Draw("Grade:Age:Cost:Division:Nation","","gl5d"); 00006 } 00007 00008 00009