tree = inf.Get('hadtop/events')
hAll = TH1F('hAll', 'hAll', bins, xmin, xmax)
hPass = TH1F('hPass', 'hPass', bins, xmin, xmax)
hAll.Sumw2()
hPass.Sumw2()
tree.Draw(var + '>>hAll', 'ht>450 && nBJets>1 && triggerBit[7]')
tree.Draw(
var + '>>hPass',
'ht>450 && nBJets>1 && triggerBit[7] && (triggerBit[0] || triggerBit[2])')
print hAll.Integral()
print hPass.Integral()
eff = TEfficiency('Efficiency', 'Efficiency', bins, xmin, xmax)
eff.SetPassedHistogram(hPass, "f")
eff.SetTotalHistogram(hAll, "f")
eff.SetMarkerColor(ROOT.kBlack)
eff.SetLineColor(ROOT.kBlack)
eff.SetMarkerStyle(20)
x = []
y = []
exl = []
exh = []
eyl = []
eyh = []
for i in xrange(hAll.GetNbinsX()):
x.append(hAll.GetBinCenter(i + 1))
exl.append(0)
hRef.SetFillColor(ROOT.kGray)
hRef.Draw('hist')
hSig.Draw('sameE')
leg = TLegend(0.6, 0.7, 0.9, 0.9)
leg.AddEntry(hSig, 'Ref. + Sig. trigger', 'LP')
leg.AddEntry(hRef, 'Ref. trigger', 'F')
leg.SetFillColor(0)
leg.SetBorderSize(0)
leg.SetTextFont(42)
leg.SetTextSize(0.05)
leg.Draw()
can2 = TCanvas('can_TrigEff', 'can_TrigEff', 900, 600)
eff = TEfficiency('efficiency', 'efficiency', hRef.GetNbinsX(), 0, 2000)
eff.SetPassedHistogram(hSig, 'f')
eff.SetTotalHistogram(hRef, 'f')
eff.SetLineColor(ROOT.kBlack)
eff.SetMarkerColor(ROOT.kBlack)
eff.SetMarkerStyle(20)
fit = TF1('fit', '(1-[2])+[2]*TMath::Erf((x-[0])/[1])', xmin, xmax)
fit.SetParameters(800, 100, 0.3)
fit.SetLineColor(ROOT.kBlue)
eff.Fit(fit, 'RQ')
line = TF1('line', '1', xmin, xmax)
line.GetXaxis().SetTitle('m_{jj} (GeV)')
line.GetYaxis().SetTitle('Trigger Efficiency')
line.SetLineColor(ROOT.kBlack)
line.SetLineStyle(2)
line.SetMinimum(0.3)