{
   //
   // To see the output of this macro, click begin_html <a href="gif/graph.gif">here</a>. end_html
   //
   gROOT->Reset();
   c1 = new TCanvas("c1","Difference of backgrounds",200,10,700,500);

   c1->SetFillColor(0);
   c1->SetGrid();
   c1->SetBorderMode(0);
   // draw the legend
   TLegend *legend=new TLegend(0.5,0.65,0.88,0.85);
    ntuple_meas = new TNtuple("measured","Meas data","E:Y:T:S:P:TP");
   int NData = ntuple_meas->ReadFile("LossBG1.csv");
   ntuple_meas->SetLineColor(2);
   ntuple_meas->SetLineStyle(0);
   ntuple_meas->SetLineWidth(3); 
	ntuple_meas->SetMarkerSize(0);
	ntuple_meas->Draw("T:E","Y");
   ntuple_meas->SetLineColor(1);
   ntuple_meas->SetLineStyle(0);
   ntuple_meas->SetLineWidth(3);
	ntuple_meas->Draw("S:E","Y","Csame");
/*  ntuple_meas->SetLineColor(2);
   ntuple_meas->SetLineStyle(1);
   ntuple_meas->SetLineWidth(3);
	ntuple_meas->Draw("P:E","P","Csame");
  ntuple_meas->SetLineColor(3);
   ntuple_meas->SetLineStyle(1);
   ntuple_meas->SetLineWidth(3);
	ntuple_meas->Draw("TP:E","TP","Csame");
	legend->Draw();
*/
	ntuple_meas->SetMarkerStyle(6);
	ntuple_meas->SetMarkerSize(3);
	ntuple_meas->Draw("Y:E","Y","Csame");
   // TCanvas::Update() draws the frame, after which one can change it
   c1->Update();
   c1->GetFrame()->SetFillColor(0);
   c1->Modified();
}