{
gROOT->SetStyle("Plain");
 TLatex lx;
c1 = new TCanvas("c1"," - ",200,10,400,400);
// c1->SetOptStat("0000000");  not property of c1

  Float_t   ptot[8]      = {2.5, 5.0, 10.0, 20.0,        8, 10};

  Float_t resx_perf[8]   = { 102,  54,   26,   13,       260, 260};
  Float_t resx_20perc[8] = { 121,  71, 	 32,   18,       280, 280};
  Float_t resx_50100[8]  = { 714, 354,  160,   69,       300, 300};
  Float_t resx_strt[8]   = { 720, 356,  160,   81,       320, 320};

  frame = new TH2F("frame","y resolution vs ptotal",10,0.,21.,10,0.,400.); 
  //frame->SetOptStat("0000000");
  frame->Draw();  
  lx.SetTextSize(0.04);
  lx.DrawLatex(11,255,"p = p_{original}");
  lx.DrawLatex(11,275,"p = p #pm 20%");
  lx.DrawLatex(11,295,"p_{x,y,z} = 50,50,100 GeV");
  lx.DrawLatex(11,315,"straight-line fit");
  lx.DrawLatex(8,-35,"p_{total} (GeV)");
  lx.DrawLatex(-2,-40,"0 #mum");

  for (int i=0;i<3;i++) {
    TLine *line1 = new TLine(ptot[i], resx_perf[i], ptot[i+1], resx_perf[i+1]); 
    line1->SetLineWidth(3);
    line1->SetLineColor(2);
    line1->Draw(); 
  }
  TLine *line1a = new TLine(ptot[4], resx_perf[4], ptot[4+1], resx_perf[4+1]); 
  line1a->SetLineWidth(3);
  line1a->SetLineColor(2);
  line1a->Draw();

  for (int i=0;i<3;i++) {
    TLine *line2 = new TLine(ptot[i], resx_20perc[i], ptot[i+1], resx_20perc[i+1]); 
    line2->SetLineWidth(3);
    line2->SetLineColor(3);
    line2->Draw(); 
  }
  TLine *line2a = new TLine(ptot[4], resx_20perc[4], ptot[4+1], resx_20perc[4+1]); 
  line2a->SetLineWidth(3);
  line2a->SetLineColor(3);
  line2a->Draw();

  for (int i=0;i<3;i++) {
    TLine *line3 = new TLine(ptot[i], resx_50100[i], ptot[i+1], resx_50100[i+1]); 
    line3->SetLineWidth(3);
    line3->SetLineColor(4);
    line3->Draw(); 
  }
  TLine *line3a = new TLine(ptot[4], resx_50100[4], ptot[4+1], resx_50100[4+1]); 
  line3a->SetLineWidth(3);
  line3a->SetLineColor(4);
  line3a->Draw();

  for (int i=0;i<3;i++) {
    TLine *line4 = new TLine(ptot[i], resx_strt[i], ptot[i+1], resx_strt[i+1]); 
    line4->SetLineWidth(1);
    line4->SetLineColor(1);
    line4->Draw(); 
  }
  TLine *line4a = new TLine(ptot[4], resx_strt[4], ptot[4+1], resx_strt[4+1]); 
  line4a->SetLineWidth(1);
  line4a->SetLineColor(1);
  line4a->Draw();

}