def cache_values(self):
input_file = r.TFile.Open(self.filename)
histogram = input_file.Get(self.histoname)
integral, error = None, None
ptmin, ptmax = self.ptmin, self.ptmax
one_dim = histogram.Class().GetName().startswith('TH1')
if one_dim:
integral, error = ru.integralAndError(histogram)
else:
pt_axis = histogram.GetXaxis()
if not any(s in pt_axis.GetTitle() for s in ['pt', 'p_T', 'p_{T']):
raise RuntimeError("expecting pt axis, but got '%s' from %s" %
(pt_axis.GetTitle(), histogram.GetName()))
first_pt_bin = pt_axis.FindFixBin(ptmin) if ptmin else 0
last_pt_bin = pt_axis.FindFixBin(ptmax) if ptmax else -1
first_m_bin = 0
last_m_bin = -1
error = r.Double(0.0)
integral = histogram.IntegralAndError(first_pt_bin, last_pt_bin,
first_m_bin, last_m_bin,
error)
error = float(error)
self.yields[self.keycache] = integral
self.errors[self.keycache] = error
input_file.Close()
def buildTotBackgroundHisto(histoFakeBkg=None, histosSimBkgs={}) :
hTemplate = histoFakeBkg
if not hTemplate :
hTemplate = first(histosSimBkgs)
print "warning, cannot use fake as template; histo name will be wrong, based on %s"%hTemplate.GetName()
totBkg = hTemplate.Clone(hTemplate.GetName().replace('_fake','_totbkg'))
totBkg.Reset()
if not totBkg.GetSumw2N() : totBkg.Sumw2()
allBackgrounds = dict((group, histo) for group, histo in [('fake',histoFakeBkg)]+[(g,h) for g,h in histosSimBkgs.iteritems()])
for group, histo in allBackgrounds.iteritems() :
if histo :
totBkg.Add(histo)
integral, error = integralAndError(histo)
print "adding %.3f +/- %.3f : %s (%s)" % (integral, error, group, histo.GetName())
else : print "buildStatisticalErrorBand: missing %s"%group
integral, error = integralAndError(totBkg)
print "totBkg %.3f +/- %.3f : %s" % (integral, error, totBkg.GetName())
return totBkg
def buildTotBackgroundHisto(histoFakeBkg=None, histosSimBkgs={}):
hTemplate = histoFakeBkg
if not hTemplate:
hTemplate = first(histosSimBkgs)
print "warning, cannot use fake as template; histo name will be wrong, based on %s" % hTemplate.GetName(
)
totBkg = hTemplate.Clone(hTemplate.GetName().replace('_fake', '_totbkg'))
totBkg.Reset()
if not totBkg.GetSumw2N(): totBkg.Sumw2()
allBackgrounds = dict((group, histo)
for group, histo in [('fake', histoFakeBkg)] +
[(g, h) for g, h in histosSimBkgs.iteritems()])
for group, histo in allBackgrounds.iteritems():
if histo:
totBkg.Add(histo)
integral, error = integralAndError(histo)
print "adding %.3f +/- %.3f : %s (%s)" % (integral, error, group,
histo.GetName())
else:
print "buildStatisticalErrorBand: missing %s" % group
integral, error = integralAndError(totBkg)
print "totBkg %.3f +/- %.3f : %s" % (integral, error, totBkg.GetName())
return totBkg
def cache_values(self):
input_file = r.TFile.Open(self.filename)
histogram = input_file.Get(self.histoname)
integral, error = None, None
ptmin, ptmax = self.ptmin, self.ptmax
one_dim = histogram.Class().GetName().startswith('TH1')
if one_dim:
integral, error = ru.integralAndError(histogram)
else:
pt_axis = histogram.GetXaxis()
if not any(s in pt_axis.GetTitle() for s in ['pt', 'p_T', 'p_{T']):
raise RuntimeError("expecting pt axis, but got '%s' from %s"%(pt_axis.GetTitle(), histogram.GetName()))
first_pt_bin = pt_axis.FindFixBin(ptmin) if ptmin else 0
last_pt_bin = pt_axis.FindFixBin(ptmax) if ptmax else -1
first_m_bin = 0
last_m_bin = -1
error = r.Double(0.0)
integral = histogram.IntegralAndError(first_pt_bin, last_pt_bin, first_m_bin, last_m_bin, error)
error = float(error)
self.yields[self.keycache] = integral
self.errors[self.keycache] = error
input_file.Close()
def plotHistos(histoData=None, histoSignal=None, histoTotBkg=None, histosBkg={},
statErrBand=None, systErrBand=None, # these are TGraphAsymmErrors
canvasName='canvas', outdir='./', options=None,
stack_order=[],
topLabel='',
drawStatErr=False, drawSystErr=False,
drawYieldAndError=False, printYieldSummary=False) :
"Note: blinding can be required for only a subrange of the histo, so it is taken care of when filling"
verbose = options.verbose
formatAuxMaterial = options.format_aux
setAtlasStyle()
padMaster = histoData
if verbose : print "plotting ",padMaster.GetName(),' (',padMaster.GetEntries(),' entries)'
can = r.TCanvas(canvasName, padMaster.GetTitle(), 800, 800)
botPad, topPad = buildBotTopPads(can, squeezeMargins=False)
can.cd()
topPad.Draw()
# draw top
topPad.cd()
topPad._hists = [padMaster]
if formatAuxMaterial:
for ax in [padMaster.GetXaxis(), padMaster.GetYaxis()]:
ax.SetTitle(prettify(ax.GetTitle()))
padMaster.Draw('axis')
topPad.Update() # necessary to fool root's dumb object ownership of the stack
stack = r.THStack('stack_'+padMaster.GetName(), '')
r.SetOwnership(stack, False)
topPad._hists.append(stack)
leg = topRightLegend(can,
0.300 if formatAuxMaterial else 0.225,
0.400 if formatAuxMaterial else 0.325,
shiftX=-0.1 if formatAuxMaterial else 0.0,
shiftY=-0.1 if formatAuxMaterial else 0.0)
topPad._leg = leg
leg.SetBorderSize(0)
leg.SetTextFont(padMaster.GetTitleFont())
leg._reversedEntries = []
def integralWou(h):
"Integral with underflow and overflow"
return h.Integral(0, h.GetNbinsX()+1)
for group, histo in sortedAs(histosBkg, stack_order) :
histo.SetFillColor(getGroupColor(group))
histo.SetLineWidth(2)
histo.SetLineColor(r.kBlack)
stack.Add(histo)
topPad._hists.append(histo)
leg._reversedEntries.append((histo,
prettify(group) if formatAuxMaterial else
"{0}: {1:.2f}".format(group, integralWou(histo)), 'F'))
if not formatAuxMaterial:
leg._reversedEntries.append((dummyHisto(),
"{0}, {1:.2f}".format('bkg', sum([integralWou(h) for h in stack.GetHists()])), 'l'))
if statErrBand and drawStatErr :
statErrBand.SetFillStyle(3006)
leg._reversedEntries.append((statErrBand, 'stat', 'f'))
if systErrBand and drawSystErr :
systErrBand.SetFillStyle(3007)
leg._reversedEntries.append((systErrBand, 'syst', 'f'))
leg._reversedEntries.append((histoData,
"Data {0}".format(prettify(topLabel)) if formatAuxMaterial else
"{0}, {1:.2f}".format('data', integralWou(histoData)), 'p'))
for h, g, o in leg._reversedEntries[::-1] : leg.AddEntry(h, g, o) # stack goes b-t, legend goes t-b
stack.Draw('hist same')
histoData.SetMarkerStyle(r.kFullCircle)
histoData.SetLineWidth(2)
dataGraph = graphWithPoissonError(histoData)
dataGraph.Draw('same p')
isRightSignal = False
if histoSignal:
histoSignal.SetFillStyle(0)
histoSignal.SetFillColor(0)
histoSignal.SetLineColor(getGroupColor('signal'))
histoSignal.SetLineWidth(3)
isRightSignal = (all(s in histoSignal.GetName() for s in ['signaltaumu', 'sr_mue']) or
all(s in histoSignal.GetName() for s in ['signaltaue', 'sr_emu']))
if isRightSignal: histoSignal.Draw('histo same')
if statErrBand and drawStatErr :
statErrBand.SetFillStyle(3006)
statErrBand.Draw('E2 same')
leg.AddEntry(statErrBand, 'stat', 'f')
if systErrBand and drawSystErr :
systErrBand.SetFillStyle(3007)
systErrBand.Draw('E2 same')
leg.AddEntry(systErrBand, 'syst', 'f')
totErrBand = systUtils.addErrorBandsInQuadrature(statErrBand, systErrBand)
if totErrBand :
totErrBand.Draw('E2 same')
totErrBand.SetFillStyle(3005)
leg.AddEntry(totErrBand, 'stat+syst', 'f')
if printYieldSummary:
print_total_error = False
print ("{}:".format(topLabel if topLabel else dataGraph.GetName())+
(" expected {:.2f}^{{+{:.2f}}}_{{{:.2f}}}".format(totErrBand.GetY()[0],
totErrBand.GetErrorYhigh(0),
totErrBand.GetErrorYlow(0))
if print_total_error else
" expected {:.2f}^{{+{:.2f}}}_{{{:.2f}}} (stat) ^{{+{:.2f}}}_{{{:.2f}}} (syst)"
.format(totErrBand.GetY()[0],
statErrBand.GetErrorYhigh(0) if statErrBand else 0.0,
statErrBand.GetErrorYlow(0) if statErrBand else 0.0,
systErrBand.GetErrorYhigh(0) if systErrBand else 0.0,
systErrBand.GetErrorYlow(0) if systErrBand else 0.0)
)+
" obs {:.2f}".format(dataGraph.GetY()[0]))
if histoSignal and isRightSignal:
hname = histoSignal.GetName()
label = ('H#rightarrow#mu#tau' if 'signaltaumu' in hname else
'H#rightarrowe#tau' if 'signaltaue' in hname else
'signal')
label = ("{}, BR=1%".format(label) if formatAuxMaterial else
"{}, BR=1%, {:.2f}".format(label, integralWou(histoSignal)))
leg.AddEntry(histoSignal, label, 'l')
leg.Draw('same')
topPad.Update()
tex = r.TLatex()
tex.SetTextSize(0.5 * tex.GetTextSize())
tex.SetNDC(True)
label = "%s tot bkg : "%(can.GetName())
label += "%.3f #pm %.3f (stat)"%(integralAndError(histoTotBkg))
if systErrBand :
sysUp, sysDo = systUtils.totalUpDownVariation(systErrBand)
label += "#pm #splitline{%.3f}{%.3f} (syst)"%(sysUp, sysDo)
if drawYieldAndError :
tex.DrawLatex(0.10, 0.95, label)
topPad.SetTopMargin(2.0*topPad.GetTopMargin())
atlasLabel = drawAtlasLabel(can, align=13, scale=0.75,
xpos=0.175 if formatAuxMaterial else 0.125,
ypos=0.945 if formatAuxMaterial else None,
public=True)
if topLabel and not formatAuxMaterial : topRightLabel(can, topLabel, ypos=1.0)
yMin, yMax = getMinMax([histoData, dataGraph, histoTotBkg, histoSignal, totErrBand])
padMaster.SetMinimum(0.0)
padMaster.SetMaximum(1.1 * yMax)
padMaster.GetXaxis().SetLabelSize(0)
padMaster.GetXaxis().SetTitleSize(0)
increaseAxisFont(padMaster.GetXaxis())
increaseAxisFont(padMaster.GetYaxis())
topPad.RedrawAxis()
topPad.Update() # force stack to create padMaster
# draw bot (ratio)
can.cd()
botPad.Draw()
botPad.cd()
ratio = systUtils.buildAsymmRatioGraph(dataGraph, totErrBand)
ratioPadMaster = padMaster.Clone(padMaster.GetName()+'_ratio')
ratioPadMaster.SetDirectory(0)
ratioPadMaster.Clear()
yMin, yMax = 0.0, 2.0
ratioPadMaster.SetMinimum(yMin)
ratioPadMaster.SetMaximum(yMax)
ratioPadMaster.SetStats(0)
ratioPadMaster.Draw('axis')
x_lo, x_hi = getXrange(ratioPadMaster)
refLines = [referenceLine(x_lo, x_hi, y, y) for y in [0.5, 1.0, 1.5]]
for l in refLines : l.Draw()
err_band_r = systUtils.buildErrBandRatioGraph(totErrBand)
err_band_r.Draw('E2 same')
ratio.Draw('ep')
xA, yA = ratioPadMaster.GetXaxis(), ratioPadMaster.GetYaxis()
textScaleUp = 0.75*1.0/botPad.GetHNDC()
# if xaxis_title : xA.SetTitle(xaxis_title)
yA.SetNdivisions(-104)
yA.SetTitle('Data/Bkg')
yA.CenterTitle()
yA.SetTitleOffset(yA.GetTitleOffset()/textScaleUp)
xA.SetTitleSize(yA.GetTitleSize()) # was set to 0 for padmaster, restore it
xA.SetLabelSize(yA.GetLabelSize())
for a in [xA, yA] :
a.SetLabelSize(a.GetLabelSize()*textScaleUp)
a.SetTitleSize(a.GetTitleSize()*textScaleUp)
botPad._graphical_objects = [ratio, ratioPadMaster, err_band_r] + refLines # avoid garbage collection
botPad.Update()
can.Update()
for ext in ['png','eps'] : can.SaveAs(outdir+'/'+can.GetName()+'.'+ext)
def plotHistos(
histoData=None,
histoSignal=None,
histoTotBkg=None,
histosBkg={},
statErrBand=None,
systErrBand=None, # these are TGraphAsymmErrors
canvasName='canvas',
outdir='./',
options=None,
stack_order=[],
topLabel='',
drawStatErr=False,
drawSystErr=False,
drawYieldAndError=False,
printYieldSummary=False):
"Note: blinding can be required for only a subrange of the histo, so it is taken care of when filling"
verbose = options.verbose
formatAuxMaterial = options.format_aux
setAtlasStyle()
padMaster = histoData
if verbose:
print "plotting ", padMaster.GetName(), ' (', padMaster.GetEntries(
), ' entries)'
can = r.TCanvas(canvasName, padMaster.GetTitle(), 800, 800)
botPad, topPad = buildBotTopPads(can, squeezeMargins=False)
can.cd()
topPad.Draw()
# draw top
topPad.cd()
topPad._hists = [padMaster]
if formatAuxMaterial:
for ax in [padMaster.GetXaxis(), padMaster.GetYaxis()]:
ax.SetTitle(prettify(ax.GetTitle()))
padMaster.Draw('axis')
topPad.Update(
) # necessary to fool root's dumb object ownership of the stack
stack = r.THStack('stack_' + padMaster.GetName(), '')
r.SetOwnership(stack, False)
topPad._hists.append(stack)
leg = topRightLegend(can,
0.300 if formatAuxMaterial else 0.225,
0.400 if formatAuxMaterial else 0.325,
shiftX=-0.1 if formatAuxMaterial else 0.0,
shiftY=-0.1 if formatAuxMaterial else 0.0)
topPad._leg = leg
leg.SetBorderSize(0)
leg.SetTextFont(padMaster.GetTitleFont())
leg._reversedEntries = []
def integralWou(h):
"Integral with underflow and overflow"
return h.Integral(0, h.GetNbinsX() + 1)
for group, histo in sortedAs(histosBkg, stack_order):
histo.SetFillColor(getGroupColor(group))
histo.SetLineWidth(2)
histo.SetLineColor(r.kBlack)
stack.Add(histo)
topPad._hists.append(histo)
leg._reversedEntries.append(
(histo, prettify(group) if formatAuxMaterial else
"{0}: {1:.2f}".format(group, integralWou(histo)), 'F'))
if not formatAuxMaterial:
leg._reversedEntries.append((dummyHisto(), "{0}, {1:.2f}".format(
'bkg', sum([integralWou(h) for h in stack.GetHists()])), 'l'))
if statErrBand and drawStatErr:
statErrBand.SetFillStyle(3006)
leg._reversedEntries.append((statErrBand, 'stat', 'f'))
if systErrBand and drawSystErr:
systErrBand.SetFillStyle(3007)
leg._reversedEntries.append((systErrBand, 'syst', 'f'))
leg._reversedEntries.append(
(histoData, "Data {0}".format(prettify(topLabel)) if formatAuxMaterial
else "{0}, {1:.2f}".format('data', integralWou(histoData)), 'p'))
for h, g, o in leg._reversedEntries[::-1]:
leg.AddEntry(h, g, o) # stack goes b-t, legend goes t-b
stack.Draw('hist same')
histoData.SetMarkerStyle(r.kFullCircle)
histoData.SetLineWidth(2)
dataGraph = graphWithPoissonError(histoData)
dataGraph.Draw('same p')
isRightSignal = False
if histoSignal:
histoSignal.SetFillStyle(0)
histoSignal.SetFillColor(0)
histoSignal.SetLineColor(getGroupColor('signal'))
histoSignal.SetLineWidth(3)
isRightSignal = (all(s in histoSignal.GetName()
for s in ['signaltaumu', 'sr_mue'])
or all(s in histoSignal.GetName()
for s in ['signaltaue', 'sr_emu']))
if isRightSignal: histoSignal.Draw('histo same')
if statErrBand and drawStatErr:
statErrBand.SetFillStyle(3006)
statErrBand.Draw('E2 same')
leg.AddEntry(statErrBand, 'stat', 'f')
if systErrBand and drawSystErr:
systErrBand.SetFillStyle(3007)
systErrBand.Draw('E2 same')
leg.AddEntry(systErrBand, 'syst', 'f')
totErrBand = systUtils.addErrorBandsInQuadrature(statErrBand, systErrBand)
if totErrBand:
totErrBand.Draw('E2 same')
totErrBand.SetFillStyle(3005)
leg.AddEntry(totErrBand, 'stat+syst', 'f')
if printYieldSummary:
print_total_error = False
print(
"{}:".format(topLabel if topLabel else dataGraph.GetName()) +
(" expected {:.2f}^{{+{:.2f}}}_{{{:.2f}}}".format(
totErrBand.GetY()[0], totErrBand.GetErrorYhigh(0),
totErrBand.GetErrorYlow(0)) if print_total_error else
" expected {:.2f}^{{+{:.2f}}}_{{{:.2f}}} (stat) ^{{+{:.2f}}}_{{{:.2f}}} (syst)"
.format(totErrBand.GetY()[0],
statErrBand.GetErrorYhigh(0) if statErrBand else 0.0,
statErrBand.GetErrorYlow(0) if statErrBand else 0.0,
systErrBand.GetErrorYhigh(0) if systErrBand else 0.0,
systErrBand.GetErrorYlow(0) if systErrBand else 0.0))
+ " obs {:.2f}".format(dataGraph.GetY()[0]))
if histoSignal and isRightSignal:
hname = histoSignal.GetName()
label = ('H#rightarrow#mu#tau' if 'signaltaumu' in hname else
'H#rightarrowe#tau' if 'signaltaue' in hname else 'signal')
label = ("{}, BR=1%".format(label) if formatAuxMaterial else
"{}, BR=1%, {:.2f}".format(label, integralWou(histoSignal)))
leg.AddEntry(histoSignal, label, 'l')
leg.Draw('same')
topPad.Update()
tex = r.TLatex()
tex.SetTextSize(0.5 * tex.GetTextSize())
tex.SetNDC(True)
label = "%s tot bkg : " % (can.GetName())
label += "%.3f #pm %.3f (stat)" % (integralAndError(histoTotBkg))
if systErrBand:
sysUp, sysDo = systUtils.totalUpDownVariation(systErrBand)
label += "#pm #splitline{%.3f}{%.3f} (syst)" % (sysUp, sysDo)
if drawYieldAndError:
tex.DrawLatex(0.10, 0.95, label)
topPad.SetTopMargin(2.0 * topPad.GetTopMargin())
atlasLabel = drawAtlasLabel(can,
align=13,
scale=0.75,
xpos=0.175 if formatAuxMaterial else 0.125,
ypos=0.945 if formatAuxMaterial else None,
public=True)
if topLabel and not formatAuxMaterial:
topRightLabel(can, topLabel, ypos=1.0)
yMin, yMax = getMinMax(
[histoData, dataGraph, histoTotBkg, histoSignal, totErrBand])
padMaster.SetMinimum(0.0)
padMaster.SetMaximum(1.1 * yMax)
padMaster.GetXaxis().SetLabelSize(0)
padMaster.GetXaxis().SetTitleSize(0)
increaseAxisFont(padMaster.GetXaxis())
increaseAxisFont(padMaster.GetYaxis())
topPad.RedrawAxis()
topPad.Update() # force stack to create padMaster
# draw bot (ratio)
can.cd()
botPad.Draw()
botPad.cd()
ratio = systUtils.buildAsymmRatioGraph(dataGraph, totErrBand)
ratioPadMaster = padMaster.Clone(padMaster.GetName() + '_ratio')
ratioPadMaster.SetDirectory(0)
ratioPadMaster.Clear()
yMin, yMax = 0.0, 2.0
ratioPadMaster.SetMinimum(yMin)
ratioPadMaster.SetMaximum(yMax)
ratioPadMaster.SetStats(0)
ratioPadMaster.Draw('axis')
x_lo, x_hi = getXrange(ratioPadMaster)
refLines = [referenceLine(x_lo, x_hi, y, y) for y in [0.5, 1.0, 1.5]]
for l in refLines:
l.Draw()
err_band_r = systUtils.buildErrBandRatioGraph(totErrBand)
err_band_r.Draw('E2 same')
ratio.Draw('ep')
xA, yA = ratioPadMaster.GetXaxis(), ratioPadMaster.GetYaxis()
textScaleUp = 0.75 * 1.0 / botPad.GetHNDC()
# if xaxis_title : xA.SetTitle(xaxis_title)
yA.SetNdivisions(-104)
yA.SetTitle('Data/Bkg')
yA.CenterTitle()
yA.SetTitleOffset(yA.GetTitleOffset() / textScaleUp)
xA.SetTitleSize(
yA.GetTitleSize()) # was set to 0 for padmaster, restore it
xA.SetLabelSize(yA.GetLabelSize())
for a in [xA, yA]:
a.SetLabelSize(a.GetLabelSize() * textScaleUp)
a.SetTitleSize(a.GetTitleSize() * textScaleUp)
botPad._graphical_objects = [ratio, ratioPadMaster, err_band_r
] + refLines # avoid garbage collection
botPad.Update()
can.Update()
for ext in ['png', 'eps']:
can.SaveAs(outdir + '/' + can.GetName() + '.' + ext)
def plotHistos(histoData=None, histoSignal=None, histoTotBkg=None, histosBkg={},
statErrBand=None, systErrBand=None, # these are TGraphAsymmErrors
canvasName='canvas', outdir='./', verbose=False,
drawStatErr=False, drawSystErr=False,
drawYieldAndError=False) :
"Note: blinding can be required for only a subrange of the histo, so it is taken care of when filling"
#setWhPlotStyle()
setAtlasStyle()
padMaster = histoData
if verbose : print "plotting ",padMaster.GetName()
can = r.TCanvas(canvasName, padMaster.GetTitle(), 800, 600)
can.cd()
can._hists = [padMaster]
padMaster.Draw('axis')
can.Update() # necessary to fool root's dumb object ownership of the stack
stack = r.THStack('stack_'+padMaster.GetName(), '')
r.SetOwnership(stack, False)
can._hists.append(stack)
leg = topRightLegend(can, 0.225, 0.325)
can._leg = leg
leg.SetBorderSize(0)
leg._reversedEntries = []
for group, histo in sortedAs(histosBkg, stackedGroups()) :
histo.SetFillColor(getGroupColor(group))
histo.SetLineWidth(2)
histo.SetLineColor(r.kBlack)
stack.Add(histo)
can._hists.append(histo)
leg._reversedEntries.append((histo, group, 'F'))
for h, g, o in leg._reversedEntries[::-1] : leg.AddEntry(h, g, o) # stack goes b-t, legend goes t-b
stack.Draw('hist same')
histoData.SetMarkerStyle(r.kFullCircle)
histoData.SetLineWidth(2)
dataGraph = graphWithPoissonError(histoData)
dataGraph.Draw('same p')
if histoSignal :
histoSignal.SetLineColor(getGroupColor('signal'))
histoSignal.SetLineWidth(2)
histoSignal.Draw('histo same')
leg.AddEntry(histoSignal, '(m_{C1},m_{N1})=(130, 0)GeV', 'l')
if statErrBand and drawStatErr :
statErrBand.SetFillStyle(3006)
statErrBand.Draw('E2 same')
leg.AddEntry(statErrBand, 'stat', 'f')
if systErrBand and drawSystErr :
systErrBand.SetFillStyle(3007)
systErrBand.Draw('E2 same')
leg.AddEntry(systErrBand, 'syst', 'f')
totErrBand = systUtils.addErrorBandsInQuadrature(statErrBand, systErrBand)
if totErrBand :
totErrBand.Draw('E2 same')
totErrBand.SetFillStyle(3005)
leg.AddEntry(totErrBand, 'stat+syst', 'f')
leg.Draw('same')
can.Update()
tex = r.TLatex()
tex.SetTextSize(0.5 * tex.GetTextSize())
tex.SetNDC(True)
label = "%s tot bkg : "%(can.GetName())
label += "%.3f #pm %.3f (stat)"%(integralAndError(histoTotBkg))
if systErrBand :
sysUp, sysDo = systUtils.totalUpDownVariation(systErrBand)
label += "#pm #splitline{%.3f}{%.3f} (syst)"%(sysUp, sysDo)
if drawYieldAndError :
tex.DrawLatex(0.10, 0.95, label)
can.SetTopMargin(2.0*can.GetTopMargin())
drawAtlasLabel(can, xpos=0.125, align=13)
yMin, yMax = getMinMax([histoData, dataGraph, histoTotBkg, histoSignal, totErrBand])
padMaster.SetMinimum(0.0)
padMaster.SetMaximum(1.1 * yMax)
increaseAxisFont(padMaster.GetXaxis())
increaseAxisFont(padMaster.GetYaxis())
can.RedrawAxis()
can.Update() # force stack to create padMaster
for ext in ['png','eps'] : can.SaveAs(outdir+'/'+can.GetName()+'.'+ext)