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[WIP] add plotting script to produce jet energy resolution plots #129
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# git ls-files --others --exclude-from=.git/info/exclude | ||
# Lines that start with '#' are comments. | ||
# For a project mostly in C, the following would be a good set of | ||
# exclude patterns (uncomment them if you want to use them): | ||
# *.[oa] | ||
*~ | ||
*.pyc | ||
*.root | ||
*.swp | ||
*.swo |
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"""Jet studies.""" | ||
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# !/bin/python | ||
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import os | ||
import sys | ||
import math | ||
import ROOT | ||
from ROOT import gStyle | ||
from jetResolution.helperFunctions import checkJetPairMatching | ||
from jetResolution.helperFunctions import checkForRequiredFields, getTree, getLorentzVectors | ||
from jetResolution.histPool import histPool, VectorTuple | ||
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# ROOT.gROOT.LoadMacro("CLIC_style/CLICdpStyle/rootstyle/CLICdpStyle.C+") | ||
# ROOT.CLICdpStyle() | ||
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def main(inFileName): | ||
"""Fill plots.""" | ||
gStyle.SetOptStat(0) | ||
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inFile = ROOT.TFile(inFileName, "READ") | ||
if not inFile.IsOpen(): | ||
return ("Can't find the file: %s" % inFileName) | ||
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res = getTree(inFile) | ||
if not res['OK']: | ||
return res['Message'] | ||
inTree = res['Value'] | ||
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requiredBranches = ['d1_mcPDGID', 'd1_mcE', 'd1_mcPx', 'd1_mcPy', 'd1_mcPz', | ||
'd2_mcPDGID', 'd2_mcE', 'd2_mcPx', 'd2_mcPy', 'd2_mcPz', | ||
'E_trueAll', 'Px_trueAll', 'Py_trueAll', 'Pz_trueAll', | ||
'E_trueInv', 'Px_trueInv', 'Py_trueInv', 'Pz_trueInv', | ||
'E_totPFO', 'Px_totPFO', 'Py_totPFO', 'Pz_totPFO', | ||
'genJetE', 'genJetPx', 'genJetPy', 'genJetPz', | ||
'recoJetE', 'recoJetPx', 'recoJetPy', 'recoJetPz'] | ||
treeBranches = [x.GetName() for x in inTree.GetListOfBranches()] | ||
res = checkForRequiredFields(requiredBranches, treeBranches, | ||
"Tree doesn't contains all required branches.") | ||
if not res['OK']: | ||
return res['Message'] | ||
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counter = 0 | ||
nEventsToProcess = sys.maxint | ||
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hPool = histPool() | ||
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for iEv in inTree: | ||
if counter >= nEventsToProcess: | ||
break | ||
counter += 1 | ||
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vTuple = VectorTuple( | ||
quark1=getLorentzVectors(iEv.d1_mcPx, iEv.d1_mcPy, iEv.d1_mcPz, iEv.d1_mcE), | ||
quark2=getLorentzVectors(iEv.d2_mcPx, iEv.d2_mcPy, iEv.d2_mcPz, iEv.d2_mcE), | ||
totalTrueVisible=getLorentzVectors(iEv.Px_trueAll, iEv.Py_trueAll, iEv.Pz_trueAll, iEv.E_trueAll), | ||
totalTrueInvisible=getLorentzVectors(iEv.Px_trueInv, iEv.Py_trueInv, iEv.Pz_trueInv, iEv.E_trueInv), | ||
totalPFO=getLorentzVectors(iEv.Px_totPFO, iEv.Py_totPFO, iEv.Pz_totPFO, iEv.E_totPFO), | ||
genJets=getLorentzVectors(iEv.genJetPx, iEv.genJetPy, iEv.genJetPz, iEv.genJetE), | ||
recoJets=getLorentzVectors(iEv.recoJetPx, iEv.recoJetPy, iEv.recoJetPz, iEv.recoJetE) | ||
) | ||
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if not checkJetPairMatching(vTuple.genJets, vTuple.recoJets, 10./180.*math.pi): | ||
hPool.fillAllHists(vTuple, 'failJetMatching') | ||
continue | ||
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hPool.fillAllHists(vTuple, 'signalSelection') | ||
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hPool.makeJERPlot('signalSelection') | ||
hPool.saveToFile('hists_%s' % os.path.basename(inFileName)) | ||
return("Successful execution.") | ||
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if __name__ == "__main__": | ||
if len(sys.argv) == 2: | ||
print ("\n[INFO]\tRead file: {0}".format(sys.argv[1])) | ||
print(main(sys.argv[1])) | ||
else: | ||
print ("\n[ERROR]\tProvide input file. Terminating...") | ||
sys.exit() |
Empty file.
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"""Set of helper functions.""" | ||
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import re | ||
import string | ||
import random | ||
import ROOT | ||
import math | ||
import sys | ||
from ROOT import TLorentzVector as lorVec | ||
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def S_OK(value=None): | ||
"""Return value on success. | ||
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:param value: value of the 'Value' | ||
:return: dictionary { 'OK' : True, 'Value' : value } | ||
""" | ||
return {'OK': True, 'Value': value} | ||
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def S_ERROR(messageString=''): | ||
"""Return value on error condition. | ||
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:param string messageString: error description | ||
""" | ||
return {'OK': False, 'Message': '[ERROR]\t%s' % str(messageString)} | ||
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def printSet(inSet): | ||
"""Print set.""" | ||
if isinstance(inSet, set): | ||
return re.split(r'\(|\)', str(inSet))[1] | ||
else: | ||
return '' | ||
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def checkForRequiredFields(requiredFields, providedFields, errMsg=""): | ||
"""Check for required fields.""" | ||
sDiff = set(requiredFields) - set(providedFields) | ||
if len(sDiff) > 0: | ||
errMsg = ("%s Missing branches: %s" | ||
% (errMsg, list(sDiff))) | ||
return S_ERROR(errMsg) | ||
return S_OK() | ||
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def getTree(inFile): | ||
""" | ||
Get TTree object from TFile. | ||
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If there are no or more than one TTree objects return error. | ||
""" | ||
keyList = inFile.GetListOfKeys() | ||
outTree = None | ||
for iKey in keyList: | ||
iObj = inFile.Get(iKey.GetName()) | ||
if type(iObj) != ROOT.TTree: | ||
continue | ||
if not outTree: | ||
outTree = iObj | ||
else: | ||
return S_ERROR("more than one TTree object is found") | ||
if outTree is not None: | ||
return S_OK(outTree) | ||
else: | ||
return S_ERROR("no TTree object found in the file: %s" % inFile.GetName()) | ||
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def getLorentzVectors(px, py, pz, E): | ||
"""Create Lorentx vector.""" | ||
inputArgs = (px, py, pz, E) | ||
if sum([isinstance(x, float) for x in inputArgs]) == 4: | ||
outVec = lorVec() | ||
outVec.SetPxPyPzE(px, py, pz, E) | ||
return outVec | ||
if sum([isinstance(x, ROOT.vector("float")) for x in inputArgs]) == 4: | ||
output = [] | ||
for iCount in range(0, px.size()): | ||
outVec = lorVec() | ||
outVec.SetPxPyPzE(px[iCount], py[iCount], pz[iCount], E[iCount]) | ||
output.append(outVec) | ||
return output | ||
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def checkJetPairMatching(jetCol1, jetCol2, matchingAngle): | ||
"""Check jet pair matching. | ||
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Check if jet pair from jetCol1 are matched to pair from jetCol2 within | ||
provided angle. | ||
""" | ||
# the second pair will have inverted indices | ||
possibleJetCombinationsForTheFirstPair = [(0, 0), (0, 1), (1, 0), (1, 1)] | ||
for iComb in possibleJetCombinationsForTheFirstPair: | ||
angle1 = jetCol1[iComb[0]].Angle(jetCol2[iComb[1]].Vect()) | ||
angle2 = jetCol1[1 - iComb[0]].Angle(jetCol2[1 - iComb[1]].Vect()) | ||
if angle1 < matchingAngle and angle2 < matchingAngle: | ||
return True | ||
return False | ||
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def randomString(stringLength=10): | ||
"""Generate a random string of fixed length.""" | ||
letters = string.ascii_lowercase | ||
return ''.join(random.choice(letters) for i in range(stringLength)) | ||
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def calculateRMS90(inHist): | ||
'''???''' | ||
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FLOAT_MAX = sys.float_info.max | ||
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# Calculate raw properties of distribution | ||
sum = 0. | ||
total = 0. | ||
sx = 0. | ||
sxx = 0. | ||
nbins = inHist.GetNbinsX() | ||
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for i in range(0, nbins+1): | ||
binx = inHist.GetBinLowEdge(i) + (0.5 * inHist.GetBinWidth(i)) | ||
yi = inHist.GetBinContent(i) | ||
sx = sx + yi * binx | ||
sxx = sxx + yi * binx * binx | ||
total = total + yi | ||
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rawMean = sx / total | ||
rawMeanSquared = sxx / total | ||
rawRms = math.sqrt(rawMeanSquared - rawMean * rawMean) | ||
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sum = 0. | ||
is0 = 0 | ||
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i = 0 | ||
while ((i <= nbins) and (sum < total / 10.)): | ||
sum = sum + inHist.GetBinContent(i) | ||
is0 = i | ||
i = i + 1 | ||
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# Calculate truncated properties | ||
rmsmin = FLOAT_MAX | ||
sigma = FLOAT_MAX | ||
sigmasigma = FLOAT_MAX | ||
frac = FLOAT_MAX | ||
efrac = FLOAT_MAX | ||
mean = FLOAT_MAX | ||
low = FLOAT_MAX | ||
rms = FLOAT_MAX | ||
high = 0. | ||
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for istart in range(0, is0 + 1): | ||
sumn = 0. | ||
csum = 0. | ||
sumx = 0. | ||
sumxx = 0. | ||
iend = 0 | ||
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i = istart | ||
while ((i <= nbins) and (csum < 0.9 * total)): | ||
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binx = inHist.GetBinLowEdge(i) + (0.5 * inHist.GetBinWidth(i)) | ||
yi = inHist.GetBinContent(i) | ||
csum += yi | ||
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if (sumn < 0.9 * total): | ||
sumn += yi | ||
sumx += yi * binx | ||
sumxx += yi * binx * binx | ||
iend = i | ||
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i = i + 1 | ||
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localMean = sumx / sumn | ||
localMeanSquared = sumxx / sumn | ||
localRms = math.sqrt(localMeanSquared - localMean * localMean) | ||
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if (localRms < rmsmin): | ||
mean = localMean | ||
rms = localRms | ||
low = inHist.GetBinLowEdge(istart) | ||
high = inHist.GetBinLowEdge(iend) | ||
rmsmin = localRms | ||
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# resolution: | ||
# frac = rms / mean * 100.; | ||
# resolutin uncertainty: | ||
# efrac = frac / std::sqrt(total); | ||
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rms90 = rmsmin | ||
mean90 = mean | ||
totalCounts = total | ||
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print('%s (%d entries), rawrms: %f, rms90: %f (%f-%f), mean90: %f, mean: %f' % (inHist.GetTitle(), inHist.GetEntries(), rawRms, rms90, low, high, mean90, rawMean)) | ||
# std::cout << pTH1F->GetName() << " (" << pTH1F->GetEntries() << " entries), rawrms: " << rawRms << ", rms90: " << rmsmin | ||
# << " (" << low << "-" << high << "), mean90: " << mean << ", mean: " << rawMean; | ||
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outData = {} | ||
outData['rms90'] = rms90 | ||
outData['mean90'] = mean90 | ||
outData['totalCounts'] = totalCounts | ||
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return outData | ||
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# for (unsigned int istart = 0; istart <= is0; ++istart) | ||
# { | ||
# | ||
# if (localRms < rmsmin) | ||
# { | ||
# mean = localMean; | ||
# rms = localRms; | ||
# low = pTH1F->GetBinLowEdge(istart); | ||
# high = pTH1F->GetBinLowEdge(iend); | ||
# rmsmin = localRms; | ||
# | ||
# // resolution: | ||
# // frac = rms / mean * 100.; | ||
# | ||
# // resolutin uncertainty: | ||
# // efrac = frac / std::sqrt(total); | ||
# } | ||
# } | ||
# | ||
# rms90 = rmsmin; | ||
# mean90 = mean; | ||
# totalCounts = total; | ||
# | ||
# if (print) | ||
# { | ||
# std::cout << pTH1F->GetName() << " (" << pTH1F->GetEntries() << " entries), rawrms: " << rawRms << ", rms90: " << rmsmin | ||
# << " (" << low << "-" << high << "), mean90: " << mean << ", mean: " << rawMean; | ||
# } |
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when checking of the jet pair match, at this point I would also save the responses of the matched pair,
resp = E_recoJet/E_genJet
as well as dphi = delta(phi_genJet,phi_recoJet) and dtheta = theta_recoJet-theta_genJet
thus we have all 3 quantities needed for filling the histograms, each jet is filled then