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import FWCore.ParameterSet.Config as cms
from RecoTauTag.Configuration.RecoPFTauTag_cff import *
from RecoTauTag.RecoTau.pfTauSelector_cfi import pfTauSelector
import RecoTauTag.RecoTau.RecoTauCleanerPlugins as cleaners
import RecoJets.JetProducers.ak4PFJets_cfi as jetConfig
'''
pfTaus_cff
Specify the prototype/default configuration of 'pfTaus', which is a selected
collection of taus that is used as an input to the 'patTaus'. The pf2pat tau
selection is constructed by:
* Rerunning a tau algorithm (fixedConePFTaus, shrinkingConePFTaus, etc)
* Cloning and running a set of discriminants for this algorithm so they are
independent of other cfis
* Constructing pfTaus via a PFTauSelector using the cloned discriminants
* In PhysicsTools.PatAlgos.tools.pfTools the regular discriminants are
modified to take the pfTaus as input. The original discriminant
labels are kept (i.e. fixedConePFTauDiscriminationByIsolation) but the Tau
source is defined as pfTaus
'''
# PiZeroProducers
pfJetsLegacyHPSPiZeros = ak4PFJetsLegacyHPSPiZeros.clone(
jetSrc = "ak4PFJets"
)
pfTauPFJetsRecoTauChargedHadrons = ak4PFJetsRecoTauChargedHadrons.clone()
pfTauTagInfoProducer = pfRecoTauTagInfoProducer.clone(
PFCandidateProducer = jetConfig.ak4PFJets.src ,
PFJetTracksAssociatorProducer = 'pfJetTracksAssociatorAtVertex'
)
# Clone tau producer
pfTausProducer = hpsPFTauProducer.clone(
src = "pfTausProducerSansRefs"
)
pfTausCombiner = combinatoricRecoTaus.clone(
jetSrc = "ak4PFJets",
piZeroSrc = "pfJetsLegacyHPSPiZeros",
chargedHadronSrc = "pfTauPFJetsRecoTauChargedHadrons"
)
for mod in pfTausCombiner.modifiers:
if mod.name == "TTIworkaround": mod.pfTauTagInfoSrc = "pfTauTagInfoProducer"
pfTausSelectionDiscriminator = hpsSelectionDiscriminator.clone(
PFTauProducer = "pfTausCombiner"
)
pfTausProducerSansRefs = hpsPFTauProducerSansRefs.clone(
src = "pfTausCombiner",
outputSelection = "",
verbosity = 0,
cleaners = [
cleaners.unitCharge,
cms.PSet(
name = cms.string("leadStripPtLt2_5"),
plugin = cms.string("RecoTauStringCleanerPlugin"),
tolerance = cleaners.tolerance_default,
selection = cms.string("signalPiZeroCandidates().size() = 0 | signalPiZeroCandidates()[0].pt > 2.5"),
selectionPassFunction = cms.string("0"),
selectionFailValue = cms.double(1e3)
),
cms.PSet(
name = cms.string("HPS_Select"),
plugin = cms.string("RecoTauDiscriminantCleanerPlugin"),
tolerance = cleaners.tolerance_default,
src = cms.InputTag("pfTausSelectionDiscriminator"),
),
cleaners.combinedIsolation
]
)
#cloning discriminants
pfTausDiscriminationByDecayModeFinding = hpsPFTauDiscriminationByDecayModeFinding.clone(
PFTauProducer = "pfTausProducer"
)
pfTausrequireDecayMode = cms.PSet(
BooleanOperator = cms.string("and"),
decayMode = cms.PSet(
Producer = cms.InputTag('pfTausDiscriminationByDecayModeFinding'),
cut = cms.double(0.5)
)
)
pfTausDiscriminationByIsolation= hpsPFTauBasicDiscriminators.clone(
PFTauProducer = "pfTausProducer",
Prediscriminants = pfTausrequireDecayMode.clone()
)
# Task to reproduce taus and compute our cloned discriminants
pfTausBaseTask = cms.Task(
pfJetsLegacyHPSPiZeros ,
pfTauPFJetsRecoTauChargedHadrons ,
pfTausCombiner ,
pfTausSelectionDiscriminator ,
pfTausProducerSansRefs ,
pfTausProducer ,
pfTausDiscriminationByDecayModeFinding ,
pfTausDiscriminationByIsolation
)
# Associate track to pfJets
pfJetTracksAssociatorAtVertex = ak4PFJetTracksAssociatorAtVertex.clone(
jets = "ak4PFJets"
)
pfTauPileUpVertices = cms.EDFilter(
"RecoTauPileUpVertexSelector",
src = cms.InputTag("offlinePrimaryVertices"),
minTrackSumPt = cms.double(5),
filter = cms.bool(False),
)
pfTauTagInfoProducer = pfRecoTauTagInfoProducer.clone(
PFCandidateProducer = jetConfig.ak4PFJets.src ,
PFJetTracksAssociatorProducer = 'pfJetTracksAssociatorAtVertex'
)
pfTausPreTask = cms.Task(
pfJetTracksAssociatorAtVertex ,
recoTauAK4PFJets08Region ,
pfTauPileUpVertices ,
pfTauTagInfoProducer
)
# Select taus from given collection that pass cloned discriminants
pfTaus = pfTauSelector.clone(
src = "pfTausProducer",
discriminators = cms.VPSet(
cms.PSet(
discriminator=cms.InputTag("pfTausDiscriminationByDecayModeFinding"),
selectionCut=cms.double(0.5)
),
)
)
pfTausPtrs = cms.EDProducer("PFTauFwdPtrProducer",
src=cms.InputTag("pfTaus")
)
pfTauTask = cms.Task(
pfTausPreTask ,
pfTausBaseTask ,
pfTaus ,
pfTausPtrs
)
pfTauSequence = cms.Sequence(pfTauTask)
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