{
  gROOT->Reset();
  
  // Draw histos filled by Geant4 simulation 
  //   
  TFile f("pixe.root");
  TCanvas* c1 = new TCanvas("c1", "  ");
  
  c1->SetLogy(1);
  c1->cd();
  c1->Update();
  
  ///TH1D* hist1 = (TH1D*)f.Get("1");
  ///hist1->Draw("HIST");
  
  ///TH1D* hist2 = (TH1D*)f.Get("2");
  ///hist2->Draw("HIST");
    
  ///TH1D* hist3 = (TH1D*)f.Get("3");
  ///hist3->Draw("HIST");
  
  ///TH1D* hist4 = (TH1D*)f.Get("4");
  ///hist4->Draw("HIST");
  
  ///TH1D* hist5 = (TH1D*)f.Get("5");
  ///hist5->Draw("HIST");
  
  ///TH1D* hist6 = (TH1D*)f.Get("6");
  ///hist6->Draw("HIST");
    
  TH1D* hist7 = (TH1D*)f.Get("7");
  hist7->Draw("HIST");
  
  ///TH1D* hist8 = (TH1D*)f.Get("8");
  ///hist8->Draw("HIST");
     
  ///TH1D* hist9 = (TH1D*)f.Get("9");
  ///hist9->Draw("HIST");
  
  ///TH1D* hist10 = (TH1D*)f.Get("10");
  ///hist10->Draw("HIST SAME");
  
  TH1D* hist11 = (TH1D*)f.Get("11");
  hist11->Draw("HIST");
  
  TH1D* hist12 = (TH1D*)f.Get("12");
  hist12->Draw("HIST");  
}