c1 = TCanvas()
gStyle.SetOptStat(0)
c1.SetGrid()
graph.SetTitle('Track Momentum')
graph.GetXaxis().SetTitle('track p')
graph.GetYaxis().SetTitle('number of events')
gPad.SetLogx()
gPad.SetLogy()
g2.SetTitle('Track Momentum (trk_nclusters_EM_200+trk_nclusters_HAD_200 > 0)*(trk_nTRT>=20)')
g2.GetXaxis().SetTitle('track p')
g2.GetYaxis().SetTitle('number of events')
g2.SetLineColor(2)
gPad.SetLogx()
gPad.SetLogy()
graph.Draw("SAME")
g2.Draw("SAME")
leg.AddEntry(graph, "Track Momentum", "l")
leg.AddEntry(g2, "Track Momentum (trk_nclusters_EM_200+trk_nclusters_HAD_200 > 0)*(trk_nTRT>=20)", "l")
leg.SetTextSizePixels(12)
leg.Draw()
c1.Draw()
c2 = TCanvas()
gStyle.SetOptStat(0)
c2.SetGrid()
g3.Divide(g2, graph)
g3.Draw()
c2.Draw()
