PixelTracks_cff.py

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import FWCore.ParameterSet.Config as cms
 
from RecoLocalTracker.SiStripRecHitConverter.StripCPEfromTrackAngle_cfi import *
from RecoLocalTracker.SiStripRecHitConverter.SiStripRecHitMatcher_cfi import *
from RecoTracker.TransientTrackingRecHit.TransientTrackingRecHitBuilder_cfi import *
import RecoTracker.TransientTrackingRecHit.TransientTrackingRecHitBuilder_cfi
myTTRHBuilderWithoutAngle = RecoTracker.TransientTrackingRecHit.TransientTrackingRecHitBuilder_cfi.ttrhbwr.clone(
    StripCPE = 'Fake',
    ComponentName = 'PixelTTRHBuilderWithoutAngle'
)
from RecoTracker.TkSeedingLayers.PixelLayerTriplets_cfi import *
from RecoTracker.TkSeedingLayers.TTRHBuilderWithoutAngle4PixelTriplets_cfi import *
from RecoPixelVertexing.PixelTrackFitting.pixelFitterByHelixProjections_cfi import pixelFitterByHelixProjections
from RecoPixelVertexing.PixelTrackFitting.pixelTrackFilterByKinematics_cfi import pixelTrackFilterByKinematics
from RecoPixelVertexing.PixelTrackFitting.pixelTrackCleanerBySharedHits_cfi import pixelTrackCleanerBySharedHits
from RecoPixelVertexing.PixelTrackFitting.pixelTracks_cfi import pixelTracks as _pixelTracks
from RecoTracker.TkTrackingRegions.globalTrackingRegion_cfi import globalTrackingRegion as _globalTrackingRegion
from RecoTracker.TkTrackingRegions.globalTrackingRegionFromBeamSpot_cfi import globalTrackingRegionFromBeamSpot as _globalTrackingRegionFromBeamSpot
from RecoTracker.TkHitPairs.hitPairEDProducer_cfi import hitPairEDProducer as _hitPairEDProducer
from RecoPixelVertexing.PixelTriplets.pixelTripletHLTEDProducer_cfi import pixelTripletHLTEDProducer as _pixelTripletHLTEDProducer
from RecoPixelVertexing.PixelLowPtUtilities.ClusterShapeHitFilterESProducer_cfi import *
import RecoPixelVertexing.PixelLowPtUtilities.LowPtClusterShapeSeedComparitor_cfi
from RecoTracker.FinalTrackSelectors.trackAlgoPriorityOrder_cfi import trackAlgoPriorityOrder
 
from Configuration.Eras.Modifier_trackingLowPU_cff import trackingLowPU
 
# SEEDING LAYERS
from RecoTracker.IterativeTracking.InitialStep_cff import initialStepSeedLayers, initialStepHitDoublets, _initialStepCAHitQuadruplets
 
# TrackingRegion
pixelTracksTrackingRegions = _globalTrackingRegion.clone()
trackingLowPU.toReplaceWith(pixelTracksTrackingRegions, _globalTrackingRegionFromBeamSpot.clone())
 
 
# Pixel Quadruplets Tracking
pixelTracksSeedLayers = initialStepSeedLayers.clone(
    BPix = dict(HitProducer = "siPixelRecHitsPreSplitting"),
    FPix = dict(HitProducer = "siPixelRecHitsPreSplitting")
)
 
pixelTracksHitDoublets = initialStepHitDoublets.clone(
    clusterCheck = "",
    seedingLayers = "pixelTracksSeedLayers",
    trackingRegions = "pixelTracksTrackingRegions"
)
 
pixelTracksHitQuadruplets = _initialStepCAHitQuadruplets.clone(
    doublets = "pixelTracksHitDoublets",
    SeedComparitorPSet = dict(clusterShapeCacheSrc = 'siPixelClusterShapeCachePreSplitting')
)
 
# for trackingLowPU
pixelTracksHitTriplets = _pixelTripletHLTEDProducer.clone(
    doublets = "pixelTracksHitDoublets",
    produceSeedingHitSets = True,
    SeedComparitorPSet = RecoPixelVertexing.PixelLowPtUtilities.LowPtClusterShapeSeedComparitor_cfi.LowPtClusterShapeSeedComparitor.clone(
        clusterShapeCacheSrc = "siPixelClusterShapeCachePreSplitting"
    )
)
 
pixelTracks = _pixelTracks.clone(
    SeedingHitSets = "pixelTracksHitQuadruplets"
)
trackingLowPU.toModify(pixelTracks, SeedingHitSets = "pixelTracksHitTriplets")
 
pixelTracksTask = cms.Task(
    pixelTracksTrackingRegions,
    pixelFitterByHelixProjections,
    pixelTrackFilterByKinematics,
    pixelTracksSeedLayers,
    pixelTracksHitDoublets,
    pixelTracksHitQuadruplets,
    pixelTracks
)
_pixelTracksTask_lowPU = pixelTracksTask.copy()
_pixelTracksTask_lowPU.replace(pixelTracksHitQuadruplets, pixelTracksHitTriplets)
trackingLowPU.toReplaceWith(pixelTracksTask, _pixelTracksTask_lowPU)
 
pixelTracksSequence = cms.Sequence(pixelTracksTask)