d8/d6e/jetCorrFactors__cfi_8py_source.html

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("ak4PFJetsCHS"),

    ## payload postfix for testing

    payload = cms.string('AK4PFchs'),

    ## 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'

    ),

    ## define the type of L5Flavor corrections for here. These can

    ## be of type 'J' for dijet derived, or of type 'T' for ttbar

    ## derived.

    flavorType = cms.string('J'),

    ## in case you are using JPT jets you must have specified the L1Offset

    ## corrections by a dedicated L1JPTOffset correction level. This dedi-

    ## cated correction level has an ordinary L1Offset or L1FastJet corrector

    ## as input, which needs to be specified via this additional parameter

    extraJPTOffset = cms.string("L1FastJet"),

    ## 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('fixedGridRhoFastjetAll'),

)