Files
2016-06-30 14:12:05 +02:00

29 lines
624 B
C++

{
gROOT->Reset();
// Draw histos filled by Geant4 simulation
//
TCanvas* c1 = new TCanvas("c1", " ");
c1->SetLogy(0);
c1->cd();
c1->Update();
TFile fa("water_opt3.root");
TFile fb("water_100um.root");
TH1D* ha1 = (TH1D*)fa.Get("10");
ha1->SetStats(kFALSE);
ha1->SetLineColor(kBlue);
ha1->Draw("HIST");
TH1D* hb1 = (TH1D*)fb.Get("10");
hb1->SetLineColor(kRed);
hb1->Draw("HIST SAME");
// Print the histograms legend
TLegend *le = new TLegend(0.6,0.6,0.8,0.8);
le->AddEntry(ha1,"opt3","l");
le->AddEntry(hb1,"100um","l");
le->Draw();
}