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plottingUtils.py
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plottingUtils.py
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#!/usr/bin/env python
# encoding: utf-8
"""
PlottingUtils.py
Created by Bryn Mathias on 2011-09-30.
"""
import sys
import os
import ROOT as r
import math
import array
def MakeCumu(inHist):
cumulativeHist = inHist.Clone()
maxbin = inHist.GetNbinsX()
for bin in range(0,maxbin):
err = r.Double(0)
val = inHist.IntegralAndError(bin, maxbin, err)
cumulativeHist.SetBinContent(bin,val)
cumulativeHist.SetBinError(bin,err)
return cumulativeHist
def ensure_dir(path):
try:
os.makedirs(path)
except OSError as exc: # Python >2.5
if exc.errno == errno.EEXIST:
pass
else: raise
# r.gROOT.SetStyle("Plain") #To set plain bkgds for slides
r.gStyle.SetTitleBorderSize(0)
r.gStyle.SetCanvasBorderMode(0)
r.gStyle.SetCanvasColor(0)#Sets canvas colour white
r.gStyle.SetOptStat(1110)#set no title on Stat box
r.gStyle.SetLabelOffset(0.001)
r.gStyle.SetLabelSize(0.003)
r.gStyle.SetLabelSize(0.005,"Y")#Y axis
r.gStyle.SetLabelSize(0.1,"X")#Y axis
r.gStyle.SetTitleSize(0.06)
r.gStyle.SetTitleW(0.7)
r.gStyle.SetTitleH(0.07)
r.gStyle.SetOptTitle(1)
r.gStyle.SetOptStat(0)
r.gStyle.SetOptFit(1)
r.gStyle.SetAxisColor(1, "XYZ");
r.gStyle.SetStripDecimals(r.kTRUE);
r.gStyle.SetTickLength(0.03, "XYZ");
r.gStyle.SetNdivisions(510, "XYZ");
r.gStyle.SetPadTickX(1);
r.gStyle.SetPadTickY(1);
r.gStyle.SetLabelColor(1, "XYZ");
r.gStyle.SetLabelFont(42, "XYZ");
r.gStyle.SetLabelOffset(0.01, "XYZ");
r.gStyle.SetLabelSize(0.05, "XYZ");
r.gStyle.SetHatchesLineWidth(2)
r.gStyle.SetPalette(1)
def SetBatch():
"""docstring for SetBatch"""
return r.gROOT.SetBatch(True)
class GetSumHist(object):
def __init__(self, File = None, Directories = None, Hist = None, Col = r.kBlack, Norm = None, LegendText = None):
super(GetSumHist, self).__init__()
object.__init__(self)
self.files = File
self.directories = Directories
self.hist = Hist
self.col = Col
self.norm = Norm
self.legendText = LegendText
self.isData = False
self.hObj = None
self.returnHist()
self.cumulativeHist = None
self.checkErrors = False
if self.checkErrors:
self.CheckErrors()
"""docstring for GetSumHist"""
def returnHist(self):
"""docstring for returnHist"""
eh = [1.15, 1.36, 1.53, 1.73, 1.98, 2.21, 2.42, 2.61, 2.80, 3.00 ]
el = [0.00, 1.00, 2.00, 2.14, 2.30, 2.49, 2.68, 2.86, 3.03, 3.19 ]
if self.files is None: return self.hObj
for f in self.files:
a = r.TFile.Open(f)
# Get The first hist in the list and clone it.
if self.norm is None or len(self.norm) is 1:
for Dir in self.directories:
if Dir is None:
self.hObj = a.Get(self.hist)
return self.hObj
try: a.Get(Dir)
except: "print SubDir does not exist"
hf = a.Get(Dir)
if not hf:
print "Subdirectory %s does not exist in %s"%(Dir,f)
self.hObj = r.TH1D()
return self.hObj
h = hf.Get(self.hist)
if self.hObj is None:
self.hObj = h.Clone()
else: self.hObj.Add(h)
if self.norm != None and len(self.norm) != 1:
for Dir,weight in zip(self.directories,self.norm):
weight = int(1./weight)
hf = a.Get(Dir)
if not hf:
print "Subdirectory %s does not exist in %s"%(Dir,f)
self.hObj = r.TH1D()
return self.hObj
h = hf.Get(self.hist)
if self.hObj is None:
self.hObj = h.Clone()
self.hObj.Scale(weight)
else:
self.hObj.Add(h,weight)
self.hObj.SetLineColor(self.col)
self.hObj.SetMarkerColor(self.col)
# Set the last bin to show how many events in the over flow as well
if self.norm is not None and len(self.norm) is 1:
self.hObj.Scale(self.norm[0])
return self.hObj
def CheckErrors(self):
"""docstring for CheckErrors"""
eh = [1.15, 1.36, 1.53, 1.73, 1.98, 2.21, 2.42, 2.61, 2.80, 3.00 ]
el = [0.00, 1.00, 2.00, 2.14, 2.30, 2.49, 2.68, 2.86, 3.03, 3.19 ]
for bin in range(self.hObj.GetNbinsX()):
if self.hObj.GetBinContent(bin) < 10.:
n = int(self.hObj.GetBinContent(bin))
# print "BinContent is %f, New Error is %f, DataSet is %s, Bin LowEdge is: %f"%(n,eh[n]*newWeight,DataSetName,Hist.GetBinLowEdge(bin))
self.hObj.SetBinError(bin,eh[n])
pass
def HideOverFlow(self):
"""docstring for HideOverFlow"""
self.hObj.SetBinContent(self.hObj.GetNbinsX() ,self.hObj.GetBinContent(self.hObj.GetNbinsX())+self.hObj.GetBinContent(self.hObj.GetNbinsX()+1))
self.hObj.SetBinError(self.hObj.GetNbinsX() ,math.sqrt((self.hObj.GetBinError(self.hObj.GetNbinsX()))**2 + (self.hObj.GetBinError(self.hObj.GetNbinsX()+1))**2))
self.hObj.SetBinContent(self.hObj.GetNbinsX()+1,0)
def Draw(self,options):
"""docstring for Draw"""
self.hObj.Draw(options)
def SetRange(self,axis,axis1,axis2):
"""docstring for SetRange"""
if axis is "x": self.hObj.GetXaxis().SetRangeUser(axis1,axis2)
if axis is "y": self.hObj.GetYaxis().SetRangeUser(axis1,axis2)
pass
def Integral(self,val1,val2):
"""docstring for Integral"""
bin1 = self.hObj.FindBin(val1)
bin2 = self.hObj.FindBin(val2)
return self.hObj.Integral(bin1,bin2)
pass
def CumulativeHist(self):
"""docstring for cumulativeHist"""
self.cumulativeHist = self.hObj.Clone()
maxbin = self.hObj.GetNbinsX()
for bin in range(0,maxbin):
err = r.Double(0)
val = self.hObj.IntegralAndError(bin, maxbin+1, err)
self.cumulativeHist.SetBinContent(bin,val)
self.cumulativeHist.SetBinError(bin,err)
return self.cumulativeHist
def Rebin(self,nbins,binList):
"""docstring for Rebin"""
if binList != None:
bins = array.array('d',binList)
tmp = self.hObj.Rebin(nbins,"tmp",bins)
self.hObj = tmp
else:
self.hObj.Rebin(nbins)
def Help(self):
print "====================================================================================================================="
print "Usage is GetSumHist(File = None, Directories = None, Hist = None, Col = r.kBlack, Norm = None, LegendText = None)"
print "Methods are:"
print "\t HideOverFlow() -- Adds the over flow bin to the last bin of the histogram and computes errors for this bin"
print "\t SetRange(\'axis\',start,end)"
print "\t Draw() -- Use ROOT's draw method, has to wrap classInstance.hObj.Draw()"
print "====================================================================================================================="
class Print(object):
"""docstring for printPDF"""
def __init__(self, Fname):
super(Print, self).__init__()
self.canvas = r.TCanvas()
self.fname = Fname
# self.rfile = r.TFile(self.fname[:-4]+".root",'RECREATE')
self.pageCounter = 1
def toFile(self,ob,title):
"""docstring for toFile"""
# self.rfile.cd()
# ob.SetName(title)
# ob.SetTitle(title)
# ob.Write()
# ob = None
pass
def cd(self):
"""docstring for cd"""
self.canvas.cd()
pass
def open(self):
"""docstring for open"""
self.canvas.Print(self.fname+"[")
pass
def close(self):
"""docstring for close"""
# self.rfile.Write()
# self.rfile.Close()
self.canvas.Print(self.fname+"]")
pass
def Clear(self):
"""docstring for Clear"""
self.canvas.Clear()
pass
def SetLog(self,axis,BOOL):
"""docstring for SetLog"""
if 'x' in axis:
if BOOL:
self.canvas.SetLogx()
else:
self.canvas.SetLogx(r.kFALSE)
if 'y' in axis:
if BOOL:
self.canvas.SetLogy()
else:
self.canvas.SetLogy(r.kFALSE)
pass
def Print(self):
"""docstring for Print"""
num = r.TLatex(0.95,0.01,"%d"%(self.pageCounter))
num.SetNDC()
num.Draw("same")
# self.canvas.SetGridx()
# self.canvas.SetGridy()
self.canvas.Print(self.fname)
self.pageCounter += 1
pass
class TurnOnPrefs(object):
"""docstring for TurnOnPrefs"""
def __init__(self,File = None, NomFile = None,DenomFile = None,Variables = None,AxisRanges = None,CumCut = None):
self.file = File
self.nomFile = NomFile
self.denomFile = DenomFile
self.variables = Variables
self.AxisRange = AxisRanges
self.cutList = CumCut
def AddHistos(List):
"""docstring for AddHistos"""
hist = None
for H in List:
if hist is None:
hist = H.hObj.Clone()
else:
hist.Add(H.hOjb)
return hist
pass
def Legend():
"""docstring for Legend"""
leg = r.TLegend(0.5, 0.4, 0.8, 0.6)
leg.SetShadowColor(0)
leg.SetBorderSize(0)
# leg.SetFillStyle(4100)
# leg.SetFillColor(0)
leg.SetLineColor(0)
leg.SetShadowColor(0)
leg.SetBorderSize(0)
# leg.SetFillStyle(4100)
leg.SetFillColor(0)
leg.SetLineColor(0)
return leg
prelim = r.TLatex(0.15,0.92,"#scale[0.8]{CMS}")
prelim.SetNDC()
lumi = r.TLatex(0.45,.82,"#scale[0.8]{#int L dt = 35 pb^{-1}, #sqrt{s} = 7 TeV}")
lumi.SetNDC()
c1 = r.TCanvas()
def errorFun(x, par):
return 0.5*par[0]*(1. + r.TMath.Erf( (x[0] - par[1]) / (math.sqrt(2.)*par[2]) ))
def reBiner(Hist,minimum):
"""docstring for reBiner"""
upArray = []
nBins = -1
for bin in range(0,Hist.GetNbinsX()):
binC = 0
n = Hist.GetBinContent(bin)
e = Hist.GetBinError(bin)
if e < 1: e = 1
if (n*n)/(e*e) > minimum:
upArray.append(Hist.GetBinLowEdge(bin+1))
nBins+=1
else:
binC += (n*n)/(e*e)
if binC > minimum:
upArray.append(Hist.GetBinLowEdge(bin+1))
nBins+=1
binC = 0
upArray.append(Hist.GetBinLowEdge(Hist.GetNbinsX()))
nBins+=1
rebinList = array.array('d',upArray)
return (nBins,rebinList)