jetCorrFactors_cfi.py

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import FWCore.ParameterSet.Config as cms

# module to produce jet correction factors associated in a valuemap
patJetCorrFactors = cms.EDProducer("JetCorrFactorsProducer",
    ## the use of emf in the JEC is not yet implemented
    emf = cms.bool(False),
    ## input collection of jets
    src = cms.InputTag("ak5CaloJets"),
    ## payload postfix for testing
    payload = cms.string('AK5Calo'),
    ## correction levels
    levels = cms.vstring(
        ## tags for the individual jet corrections; when
        ## not available the string should be set to 'none'
        'L1FastJet', 'L2Relative', 'L3Absolute'#, 'L5Flavor', 'L7Parton'
    ),
    flavorType = cms.string('J'), ## alternatively use 'T'
    ## in case that L1Offset or L1FastJet corrections are part
    ## of the parameter levels add the optional parameter
    ## primaryVertices here to specify the primary vertex
    ## collection, which was used to determine the L1Offset
    ## or L1FastJet correction from. This parameter will ONLY
    ## be read out if the correction level L1Offset or
    ## L1FastJet is found in levels.
    useNPV = cms.bool(True),
    primaryVertices = cms.InputTag('offlinePrimaryVertices'),
    ## in case that L1FastJet corrections are part of the
    ## parameter levels add the optional parameter rho
    ## here to specify the energy density parameter for
    ## the corresponding jet collection (this variable is
    ## typically taken from kt6PFJets).
    useRho = cms.bool(True),
    rho = cms.InputTag('kt6CaloJets', 'rho'),
)