2 gROOT->SetStyle("Plain");
6 //open files and get lists
8 TFile f0("QAsym.proof.root");
9 l = (TList *)f0.Get("QAsymHists");
15 fHpos= (TH2F*) l->FindObject("fRecPtPosVz");
16 fHneg= (TH2F*) l->FindObject("fRecPtNegVz");
23 TCanvas * dca = new TCanvas("pt", "pt", 100, 100, 1020, 520);
27 fHpos->SetTitle("positive tracks");
28 fHpos->SetYTitle("esdtrack->Zv()");
32 fHneg->SetMaximum(fHpos->GetMaximum());
33 fHneg->SetTitle("negative tracks");
34 fHneg->SetYTitle("esdtrack->Zv()");