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LowPtQuadStep_cff.py
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LowPtQuadStep_cff.py
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import FWCore.ParameterSet.Config as cms
import RecoTracker.IterativeTracking.iterativeTkConfig as _cfg
# NEW CLUSTERS (remove previously used clusters)
lowPtQuadStepClusters = _cfg.clusterRemoverForIter("LowPtQuadStep")
for _eraName, _postfix, _era in _cfg.nonDefaultEras():
_era.toReplaceWith(lowPtQuadStepClusters, _cfg.clusterRemoverForIter("LowPtQuadStep", _eraName, _postfix))
# SEEDING LAYERS
import RecoTracker.TkSeedingLayers.PixelLayerQuadruplets_cfi
lowPtQuadStepSeedLayers = RecoTracker.TkSeedingLayers.PixelLayerQuadruplets_cfi.PixelLayerQuadruplets.clone(
BPix = dict(skipClusters = cms.InputTag('lowPtQuadStepClusters')),
FPix = dict(skipClusters = cms.InputTag('lowPtQuadStepClusters'))
)
# TrackingRegion
from RecoTracker.TkTrackingRegions.globalTrackingRegionFromBeamSpot_cfi import globalTrackingRegionFromBeamSpot as _globalTrackingRegionFromBeamSpot
lowPtQuadStepTrackingRegions = _globalTrackingRegionFromBeamSpot.clone(RegionPSet = dict(
ptMin = 0.15,
originRadius = 0.02,
nSigmaZ = 4.0
))
from Configuration.Eras.Modifier_trackingPhase1QuadProp_cff import trackingPhase1QuadProp
from Configuration.Eras.Modifier_trackingPhase2PU140_cff import trackingPhase2PU140
trackingPhase1QuadProp.toModify(lowPtQuadStepTrackingRegions, RegionPSet = dict(ptMin = 0.2))
trackingPhase2PU140.toModify(lowPtQuadStepTrackingRegions, RegionPSet = dict(ptMin = 0.35,originRadius = 0.025))
# seeding
from RecoTracker.TkHitPairs.hitPairEDProducer_cfi import hitPairEDProducer as _hitPairEDProducer
lowPtQuadStepHitDoublets = _hitPairEDProducer.clone(
seedingLayers = "lowPtQuadStepSeedLayers",
trackingRegions = "lowPtQuadStepTrackingRegions",
layerPairs = [0,1,2], # layer pairs (0,1), (1,2), (2,3)
maxElement = 0,
produceIntermediateHitDoublets = True,
)
from RecoPixelVertexing.PixelTriplets.caHitQuadrupletEDProducer_cfi import caHitQuadrupletEDProducer as _caHitQuadrupletEDProducer
from RecoPixelVertexing.PixelTriplets.pixelTripletHLTEDProducer_cfi import pixelTripletHLTEDProducer as _pixelTripletHLTEDProducer
from RecoPixelVertexing.PixelLowPtUtilities.ClusterShapeHitFilterESProducer_cfi import *
import RecoPixelVertexing.PixelLowPtUtilities.LowPtClusterShapeSeedComparitor_cfi
lowPtQuadStepHitQuadruplets = _caHitQuadrupletEDProducer.clone(
doublets = "lowPtQuadStepHitDoublets",
extraHitRPhitolerance = _pixelTripletHLTEDProducer.extraHitRPhitolerance,
SeedComparitorPSet = RecoPixelVertexing.PixelLowPtUtilities.LowPtClusterShapeSeedComparitor_cfi.LowPtClusterShapeSeedComparitor.clone(),
maxChi2 = dict(
pt1 = 0.7, pt2 = 2,
value1 = 1000, value2 = 150,
),
useBendingCorrection = True,
fitFastCircle = True,
fitFastCircleChi2Cut = True,
CAThetaCut = 0.0017,
CAPhiCut = 0.3,
)
trackingPhase2PU140.toModify(lowPtQuadStepHitQuadruplets,CAThetaCut = 0.0015,CAPhiCut = 0.25)
from RecoTracker.TkSeedGenerator.seedCreatorFromRegionConsecutiveHitsEDProducer_cff import seedCreatorFromRegionConsecutiveHitsEDProducer as _seedCreatorFromRegionConsecutiveHitsEDProducer
lowPtQuadStepSeeds = _seedCreatorFromRegionConsecutiveHitsEDProducer.clone(
seedingHitSets = "lowPtQuadStepHitQuadruplets",
)
trackingPhase1QuadProp.toModify(lowPtQuadStepHitDoublets, layerPairs = [0])
lowPtQuadStepHitTriplets = _pixelTripletHLTEDProducer.clone(
doublets = "lowPtQuadStepHitDoublets",
produceIntermediateHitTriplets = True,
SeedComparitorPSet = lowPtQuadStepHitQuadruplets.SeedComparitorPSet,
)
from RecoPixelVertexing.PixelTriplets.pixelQuadrupletEDProducer_cfi import pixelQuadrupletEDProducer as _pixelQuadrupletEDProducer
_lowPtQuadStepHitQuadruplets_propagation = _pixelQuadrupletEDProducer.clone(
triplets = "lowPtQuadStepHitTriplets",
extraHitRZtolerance = lowPtQuadStepHitTriplets.extraHitRZtolerance,
extraHitRPhitolerance = lowPtQuadStepHitTriplets.extraHitRPhitolerance,
maxChi2 = dict(
pt1 = 0.8 , pt2 = 2,
value1 = 2000, value2 = 100,
enabled = True,
),
extraPhiTolerance = dict(
pt1 = 0.3, pt2 = 1,
value1 = 0.4, value2 = 0.05,
enabled = True,
),
useBendingCorrection = True,
fitFastCircle = True,
fitFastCircleChi2Cut = True,
SeedComparitorPSet = lowPtQuadStepHitTriplets.SeedComparitorPSet,
)
trackingPhase1QuadProp.toReplaceWith(lowPtQuadStepHitQuadruplets, _lowPtQuadStepHitQuadruplets_propagation)
# QUALITY CUTS DURING TRACK BUILDING
import TrackingTools.TrajectoryFiltering.TrajectoryFilter_cff as _TrajectoryFilter_cff
_lowPtQuadStepTrajectoryFilterBase = _TrajectoryFilter_cff.CkfBaseTrajectoryFilter_block.clone(
minimumNumberOfHits = 3,
minPt = 0.075,
)
lowPtQuadStepTrajectoryFilterBase = _lowPtQuadStepTrajectoryFilterBase.clone(
maxCCCLostHits = 0,
minGoodStripCharge = dict(refToPSet_ = 'SiStripClusterChargeCutLoose')
)
trackingPhase2PU140.toReplaceWith(lowPtQuadStepTrajectoryFilterBase, _lowPtQuadStepTrajectoryFilterBase)
from RecoPixelVertexing.PixelLowPtUtilities.ClusterShapeTrajectoryFilter_cfi import *
# Composite filter
lowPtQuadStepTrajectoryFilter = _TrajectoryFilter_cff.CompositeTrajectoryFilter_block.clone(
filters = [cms.PSet(refToPSet_ = cms.string('lowPtQuadStepTrajectoryFilterBase'))]
)
trackingPhase2PU140.toModify(lowPtQuadStepTrajectoryFilter,
filters = lowPtQuadStepTrajectoryFilter.filters.value() + [cms.PSet(refToPSet_ = cms.string('ClusterShapeTrajectoryFilter'))]
)
import RecoTracker.MeasurementDet.Chi2ChargeMeasurementEstimator_cfi
lowPtQuadStepChi2Est = RecoTracker.MeasurementDet.Chi2ChargeMeasurementEstimator_cfi.Chi2ChargeMeasurementEstimator.clone(
ComponentName = 'lowPtQuadStepChi2Est',
nSigma = 3.0,
MaxChi2 = 9.0,
clusterChargeCut = dict(refToPSet_ = ('SiStripClusterChargeCutTight')),
)
trackingPhase2PU140.toModify(lowPtQuadStepChi2Est,
MaxChi2 = 16.0,
clusterChargeCut = dict(refToPSet_ = 'SiStripClusterChargeCutNone')
)
# TRACK BUILDING
import RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi
lowPtQuadStepTrajectoryBuilder = RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi.GroupedCkfTrajectoryBuilder.clone(
MeasurementTrackerName = '',
trajectoryFilter = dict(refToPSet_ = 'lowPtQuadStepTrajectoryFilter'),
maxCand = 4,
estimator = cms.string('lowPtQuadStepChi2Est'),
maxDPhiForLooperReconstruction = cms.double(2.0),
# 0.63 GeV is the maximum pT for a charged particle to loop within the 1.1m radius
# of the outermost Tracker barrel layer (with B=3.8T)
maxPtForLooperReconstruction = cms.double(0.7)
)
trackingPhase2PU140.toModify(lowPtQuadStepTrajectoryBuilder,
minNrOfHitsForRebuild = 1,
keepOriginalIfRebuildFails = True,
)
# MAKING OF TRACK CANDIDATES
from TrackingTools.TrajectoryCleaning.TrajectoryCleanerBySharedHits_cfi import trajectoryCleanerBySharedHits as _trajectoryCleanerBySharedHits
lowPtQuadStepTrajectoryCleanerBySharedHits = _trajectoryCleanerBySharedHits.clone(
ComponentName = 'lowPtQuadStepTrajectoryCleanerBySharedHits',
fractionShared = 0.16,
allowSharedFirstHit = True
)
trackingPhase2PU140.toModify(lowPtQuadStepTrajectoryCleanerBySharedHits, fractionShared = 0.09)
import RecoTracker.CkfPattern.CkfTrackCandidates_cfi
lowPtQuadStepTrackCandidates = RecoTracker.CkfPattern.CkfTrackCandidates_cfi.ckfTrackCandidates.clone(
src = 'lowPtQuadStepSeeds',
### these two parameters are relevant only for the CachingSeedCleanerBySharedInput
numHitsForSeedCleaner = cms.int32(50),
onlyPixelHitsForSeedCleaner = cms.bool(True),
TrajectoryBuilderPSet = dict(refToPSet_ = 'lowPtQuadStepTrajectoryBuilder'),
TrajectoryCleaner = 'lowPtQuadStepTrajectoryCleanerBySharedHits',
clustersToSkip = cms.InputTag('lowPtQuadStepClusters'),
doSeedingRegionRebuilding = True,
useHitsSplitting = True
)
trackingPhase2PU140.toModify(lowPtQuadStepTrackCandidates,
clustersToSkip = None,
phase2clustersToSkip = cms.InputTag("lowPtQuadStepClusters")
)
# TRACK FITTING
import RecoTracker.TrackProducer.TrackProducer_cfi
lowPtQuadStepTracks = RecoTracker.TrackProducer.TrackProducer_cfi.TrackProducer.clone(
src = 'lowPtQuadStepTrackCandidates',
AlgorithmName = 'lowPtQuadStep',
Fitter = 'FlexibleKFFittingSmoother',
)
# Final selection
from RecoTracker.FinalTrackSelectors.TrackMVAClassifierPrompt_cfi import *
lowPtQuadStep = TrackMVAClassifierPrompt.clone(
src = 'lowPtQuadStepTracks',
mva = dict(GBRForestLabel = 'MVASelectorLowPtQuadStep_Phase1'),
qualityCuts = [-0.65,-0.35,-0.15],
)
# For Phase2PU140
import RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi
lowPtQuadStepSelector = RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.multiTrackSelector.clone(
src = 'lowPtQuadStepTracks',
trackSelectors = [
RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.looseMTS.clone(
name = 'lowPtQuadStepLoose',
chi2n_par = 2.0,
res_par = ( 0.003, 0.002 ),
minNumberLayers = 3,
maxNumberLostLayers = 2,
minNumber3DLayers = 3,
d0_par1 = ( 0.8, 4.0 ),
dz_par1 = ( 0.7, 4.0 ),
d0_par2 = ( 0.6, 4.0 ),
dz_par2 = ( 0.6, 4.0 )
), #end of pset
RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.tightMTS.clone(
name = 'lowPtQuadStepTight',
preFilterName = 'lowPtQuadStepLoose',
chi2n_par = 1.4,
res_par = ( 0.003, 0.002 ),
minNumberLayers = 3,
maxNumberLostLayers = 2,
minNumber3DLayers = 3,
d0_par1 = ( 0.7, 4.0 ),
dz_par1 = ( 0.6, 4.0 ),
d0_par2 = ( 0.5, 4.0 ),
dz_par2 = ( 0.5, 4.0 )
),
RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.highpurityMTS.clone(
name = 'lowPtQuadStep',
preFilterName = 'lowPtQuadStepTight',
chi2n_par = 1.2,
res_par = ( 0.003, 0.001 ),
minNumberLayers = 3,
maxNumberLostLayers = 2,
minNumber3DLayers = 3,
d0_par1 = ( 0.5, 4.0 ),
dz_par1 = ( 0.5, 4.0 ),
d0_par2 = ( 0.45, 4.0 ),
dz_par2 = ( 0.45, 4.0 )
),
] #end of vpset
) #end of clone
# Final sequence
LowPtQuadStep = cms.Sequence(lowPtQuadStepClusters*
lowPtQuadStepSeedLayers*
lowPtQuadStepTrackingRegions*
lowPtQuadStepHitDoublets*
lowPtQuadStepHitQuadruplets*
lowPtQuadStepSeeds*
lowPtQuadStepTrackCandidates*
lowPtQuadStepTracks*
lowPtQuadStep)
_LowPtQuadStep_Phase1Prop = LowPtQuadStep.copy()
_LowPtQuadStep_Phase1Prop.replace(lowPtQuadStepHitDoublets, lowPtQuadStepHitDoublets+lowPtQuadStepHitTriplets)
trackingPhase1QuadProp.toReplaceWith(LowPtQuadStep, _LowPtQuadStep_Phase1Prop)
_LowPtQuadStep_Phase2PU140 = LowPtQuadStep.copy()
_LowPtQuadStep_Phase2PU140.replace(lowPtQuadStep, lowPtQuadStepSelector)
trackingPhase2PU140.toReplaceWith(LowPtQuadStep, _LowPtQuadStep_Phase2PU140)