quickTrackAssociatorByHits_cfi.py

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import FWCore.ParameterSet.Config as cms

quickTrackAssociatorByHits = cms.EDProducer("QuickTrackAssociatorByHitsProducer",
    AbsoluteNumberOfHits = cms.bool(False),
    Cut_RecoToSim = cms.double(0.75),
    SimToRecoDenominator = cms.string('reco'), # either "sim" or "reco"
    Quality_SimToReco = cms.double(0.5),
    Purity_SimToReco = cms.double(0.75),
    ThreeHitTracksAreSpecial = cms.bool(True),
        PixelHitWeight = cms.double(1.0),
        useClusterTPAssociation = cms.bool(True),
        cluster2TPSrc = cms.InputTag("tpClusterProducer")
)

quickTrackAssociatorByHitsTrackerHitAssociator = quickTrackAssociatorByHits.clone(
    useClusterTPAssociation = False,
    associateStrip = cms.bool(True),
    associatePixel = cms.bool(True),
    pixelSimLinkSrc = cms.InputTag("simSiPixelDigis"),
    stripSimLinkSrc = cms.InputTag("simSiStripDigis"),
)

from Configuration.Eras.Modifier_fastSim_cff import fastSim
fastSim.toReplaceWith(quickTrackAssociatorByHits, quickTrackAssociatorByHitsTrackerHitAssociator.clone(
    associateStrip = False,
    associatePixel = False,
))

from Configuration.ProcessModifiers.premix_stage2_cff import premix_stage2
(fastSim & premix_stage2).toModify(quickTrackAssociatorByHits,
    pixelSimLinkSrc = "mixData:PixelDigiSimLink",
    stripSimLinkSrc = "mixData:StripDigiSimLink",
)