{
   TFile f2("HistL.root");
   TCanvas *Canvas = (TCanvas*)f2.Get("Canvas");
   TPad *pad  = (TPad*)Canvas->GetPrimitive("Pad");
   TPad *pad1 = (TPad*)pad->GetPrimitive("Pad_1");
   TH1D *hup  = (TH1D*)pad1->GetPrimitive("InclusiveSys[20]");
   TH1D *hlow = (TH1D*)pad1->GetPrimitive("InclusiveSys[21]");
   TH1D *h    = (TH1D*)pad1->GetPrimitive("Inclusive");
   TGraphAsymmErrors *ae = (TGraphAsymmErrors*)pad1->GetPrimitive("Graph");
   Int_t nbins = hup->GetXaxis()->GetNbins();
   TGraph *band = new TGraph(2*nbins);
   Int_t i;
   for (i=0;i<nbins;i++) {
      band->SetPoint(i,hup->GetBinCenter(i+1),hup->GetBinContent(i+1));
   }
   for (i=0;i<nbins;i++) {
      band->SetPoint(i+nbins,hlow->GetBinCenter(nbins-i),hlow->GetBinContent(nbins-i));
   }
   band->SetPoint(2*nbins,hup->GetBinCenter(1),hup->GetBinContent(1));
   band->SetFillColor(kYellow);
   TCanvas *c1 = new TCanvas("c1");
   h->Draw("a");
   band->Draw("f");
   h->Draw("same");
   ae->Draw();
}