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PixelPairStep_cff.py
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PixelPairStep_cff.py
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import FWCore.ParameterSet.Config as cms
# import the full tracking equivalent of this file
import RecoTracker.IterativeTracking.PixelPairStep_cff as _standard
# fast tracking mask producer
import FastSimulation.Tracking.FastTrackerRecHitMaskProducer_cfi
pixelPairStepMasks = FastSimulation.Tracking.FastTrackerRecHitMaskProducer_cfi.maskProducerFromClusterRemover(_standard.pixelPairStepClusters)
# tracking regions
pixelPairStepTrackingRegions = _standard.pixelPairStepTrackingRegions.clone(
RegionPSet=dict(VertexCollection = "firstStepPrimaryVerticesBeforeMixing")
)
# trajectory seeds
import FastSimulation.Tracking.TrajectorySeedProducer_cfi
pixelPairStepSeeds = FastSimulation.Tracking.TrajectorySeedProducer_cfi.trajectorySeedProducer.clone(
layerList = _standard.pixelPairStepSeedLayers.layerList.value(),
trackingRegions = "pixelPairStepTrackingRegions",
hitMasks = cms.InputTag("pixelPairStepMasks"),
)
# track candidate
import FastSimulation.Tracking.TrackCandidateProducer_cfi
pixelPairStepTrackCandidates = FastSimulation.Tracking.TrackCandidateProducer_cfi.trackCandidateProducer.clone(
src = cms.InputTag("pixelPairStepSeeds"),
MinNumberOfCrossedLayers = 2, # ?
hitMasks = cms.InputTag("pixelPairStepMasks"),
)
# tracks
pixelPairStepTracks = _standard.pixelPairStepTracks.clone(TTRHBuilder = 'WithoutRefit')
# final Selection
pixelPairStep = _standard.pixelPairStep.clone()
pixelPairStep.vertices = "firstStepPrimaryVerticesBeforeMixing"
# Final sequence
PixelPairStep = cms.Sequence(pixelPairStepMasks
+pixelPairStepTrackingRegions
+pixelPairStepSeeds
+pixelPairStepTrackCandidates
+pixelPairStepTracks
+pixelPairStep
)