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DetachedQuadStep_cff.py
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DetachedQuadStep_cff.py
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import FWCore.ParameterSet.Config as cms
import RecoTracker.IterativeTracking.iterativeTkConfig as _cfg
###############################################
# Low pT and detached tracks from pixel quadruplets
###############################################
# REMOVE HITS ASSIGNED TO GOOD TRACKS FROM PREVIOUS ITERATIONS
detachedQuadStepClusters = _cfg.clusterRemoverForIter("DetachedQuadStep")
for _eraName, _postfix, _era in _cfg.nonDefaultEras():
_era.toReplaceWith(detachedQuadStepClusters, _cfg.clusterRemoverForIter("DetachedQuadStep", _eraName, _postfix))
# SEEDING LAYERS
import RecoTracker.TkSeedingLayers.PixelLayerQuadruplets_cfi
detachedQuadStepSeedLayers = RecoTracker.TkSeedingLayers.PixelLayerQuadruplets_cfi.PixelLayerQuadruplets.clone(
BPix = dict(skipClusters = cms.InputTag('detachedQuadStepClusters')),
FPix = dict(skipClusters = cms.InputTag('detachedQuadStepClusters'))
)
# TrackingRegion
from RecoTracker.TkTrackingRegions.globalTrackingRegionFromBeamSpotFixedZ_cfi import globalTrackingRegionFromBeamSpotFixedZ as _globalTrackingRegionFromBeamSpotFixedZ
detachedQuadStepTrackingRegions = _globalTrackingRegionFromBeamSpotFixedZ.clone(RegionPSet = dict(
ptMin = 0.3,
originHalfLength = 15.0,
originRadius = 1.5
))
from RecoTracker.TkTrackingRegions.globalTrackingRegionFromBeamSpot_cfi import globalTrackingRegionFromBeamSpot as _globalTrackingRegionFromBeamSpot
from Configuration.Eras.Modifier_trackingPhase2PU140_cff import trackingPhase2PU140
trackingPhase2PU140.toReplaceWith(detachedQuadStepTrackingRegions, _globalTrackingRegionFromBeamSpot.clone(RegionPSet = dict(
ptMin = 0.45,
originRadius = 0.9,
nSigmaZ = 5.0
)))
# seeding
from RecoTracker.TkHitPairs.hitPairEDProducer_cfi import hitPairEDProducer as _hitPairEDProducer
detachedQuadStepHitDoublets = _hitPairEDProducer.clone(
seedingLayers = "detachedQuadStepSeedLayers",
trackingRegions = "detachedQuadStepTrackingRegions",
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.pixelTripletLargeTipEDProducer_cfi import pixelTripletLargeTipEDProducer as _pixelTripletLargeTipEDProducer
from RecoPixelVertexing.PixelLowPtUtilities.ClusterShapeHitFilterESProducer_cfi import *
detachedQuadStepHitQuadruplets = _caHitQuadrupletEDProducer.clone(
doublets = "detachedQuadStepHitDoublets",
extraHitRPhitolerance = _pixelTripletLargeTipEDProducer.extraHitRPhitolerance,
maxChi2 = dict(
pt1 = 0.8, pt2 = 2,
value1 = 500, value2 = 100,
),
useBendingCorrection = True,
fitFastCircle = True,
fitFastCircleChi2Cut = True,
CAThetaCut = 0.0011,
CAPhiCut = 0,
)
from RecoTracker.TkSeedGenerator.seedCreatorFromRegionConsecutiveHitsTripletOnlyEDProducer_cff import seedCreatorFromRegionConsecutiveHitsTripletOnlyEDProducer as _seedCreatorFromRegionConsecutiveHitsTripletOnlyEDProducer
detachedQuadStepSeeds = _seedCreatorFromRegionConsecutiveHitsTripletOnlyEDProducer.clone(
seedingHitSets = "detachedQuadStepHitQuadruplets",
SeedComparitorPSet = dict(# FIXME: is this defined in any cfi that could be imported instead of copy-paste?
ComponentName = 'PixelClusterShapeSeedComparitor',
FilterAtHelixStage = cms.bool(False),
FilterPixelHits = cms.bool(True),
FilterStripHits = cms.bool(False),
ClusterShapeHitFilterName = cms.string('ClusterShapeHitFilter'),
ClusterShapeCacheSrc = cms.InputTag('siPixelClusterShapeCache')
),
)
from Configuration.Eras.Modifier_trackingPhase1QuadProp_cff import trackingPhase1QuadProp
trackingPhase1QuadProp.toModify(detachedQuadStepHitDoublets, layerPairs = [0])
detachedQuadStepHitTriplets = _pixelTripletLargeTipEDProducer.clone(
doublets = "detachedQuadStepHitDoublets",
produceIntermediateHitTriplets = True,
)
from RecoPixelVertexing.PixelTriplets.pixelQuadrupletEDProducer_cfi import pixelQuadrupletEDProducer as _pixelQuadrupletEDProducer
_detachedQuadStepHitQuadruplets_propagation = _pixelQuadrupletEDProducer.clone(
triplets = "detachedQuadStepHitTriplets",
extraHitRZtolerance = detachedQuadStepHitTriplets.extraHitRZtolerance,
extraHitRPhitolerance = detachedQuadStepHitTriplets.extraHitRPhitolerance,
maxChi2 = dict(
pt1 = 0.8, pt2 = 2,
value1 = 500, value2 = 100,
enabled = True,
),
extraPhiTolerance = dict(
pt1 = 0.4, pt2 = 1,
value1 = 0.2, value2 = 0.05,
enabled = True,
),
useBendingCorrection = True,
fitFastCircle = True,
fitFastCircleChi2Cut = True,
)
trackingPhase1QuadProp.toReplaceWith(detachedQuadStepHitQuadruplets, _detachedQuadStepHitQuadruplets_propagation)
# QUALITY CUTS DURING TRACK BUILDING
import TrackingTools.TrajectoryFiltering.TrajectoryFilter_cff as _TrajectoryFilter_cff
_detachedQuadStepTrajectoryFilterBase = _TrajectoryFilter_cff.CkfBaseTrajectoryFilter_block.clone(
minimumNumberOfHits = 3,
minPt = 0.075,
)
detachedQuadStepTrajectoryFilterBase = _detachedQuadStepTrajectoryFilterBase.clone(
maxCCCLostHits = 0,
minGoodStripCharge = dict(refToPSet_ = 'SiStripClusterChargeCutLoose')
)
trackingPhase2PU140.toReplaceWith(detachedQuadStepTrajectoryFilterBase,
_detachedQuadStepTrajectoryFilterBase.clone(
maxLostHitsFraction = 1./10.,
constantValueForLostHitsFractionFilter = 0.301,
)
)
detachedQuadStepTrajectoryFilter = _TrajectoryFilter_cff.CompositeTrajectoryFilter_block.clone(
filters = [cms.PSet(refToPSet_ = cms.string('detachedQuadStepTrajectoryFilterBase'))]
)
trackingPhase2PU140.toModify(detachedQuadStepTrajectoryFilter,
filters = detachedQuadStepTrajectoryFilter.filters.value()+[cms.PSet(refToPSet_ = cms.string('ClusterShapeTrajectoryFilter'))]
)
import RecoTracker.MeasurementDet.Chi2ChargeMeasurementEstimator_cfi
detachedQuadStepChi2Est = RecoTracker.MeasurementDet.Chi2ChargeMeasurementEstimator_cfi.Chi2ChargeMeasurementEstimator.clone(
ComponentName = 'detachedQuadStepChi2Est',
nSigma = 3.0,
MaxChi2 = 9.0,
clusterChargeCut = dict(refToPSet_ = 'SiStripClusterChargeCutTight'),
)
trackingPhase2PU140.toModify(detachedQuadStepChi2Est,
MaxChi2 = 12.0,
clusterChargeCut = dict(refToPSet_ = "SiStripClusterChargeCutNone")
)
# TRACK BUILDING
import RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi
detachedQuadStepTrajectoryBuilder = RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi.GroupedCkfTrajectoryBuilder.clone(
MeasurementTrackerName = '',
trajectoryFilter = dict(refToPSet_ = 'detachedQuadStepTrajectoryFilter'),
maxCand = 3,
alwaysUseInvalidHits = True,
estimator = 'detachedQuadStepChi2Est',
maxDPhiForLooperReconstruction = cms.double(2.0),
maxPtForLooperReconstruction = cms.double(0.7)
)
trackingPhase2PU140.toModify(detachedQuadStepTrajectoryBuilder,
maxCand = 2,
alwaysUseInvalidHits = False,
)
# MAKING OF TRACK CANDIDATES
from TrackingTools.TrajectoryCleaning.TrajectoryCleanerBySharedHits_cfi import trajectoryCleanerBySharedHits
detachedQuadStepTrajectoryCleanerBySharedHits = trajectoryCleanerBySharedHits.clone(
ComponentName = cms.string('detachedQuadStepTrajectoryCleanerBySharedHits'),
fractionShared = cms.double(0.13),
allowSharedFirstHit = cms.bool(True)
)
import RecoTracker.CkfPattern.CkfTrackCandidates_cfi
detachedQuadStepTrackCandidates = RecoTracker.CkfPattern.CkfTrackCandidates_cfi.ckfTrackCandidates.clone(
src = 'detachedQuadStepSeeds',
clustersToSkip = cms.InputTag('detachedQuadStepClusters'),
### these two parameters are relevant only for the CachingSeedCleanerBySharedInput
numHitsForSeedCleaner = cms.int32(50),
onlyPixelHitsForSeedCleaner = cms.bool(True),
TrajectoryBuilderPSet = dict(refToPSet_ = 'detachedQuadStepTrajectoryBuilder'),
TrajectoryCleaner = 'detachedQuadStepTrajectoryCleanerBySharedHits',
doSeedingRegionRebuilding = True,
useHitsSplitting = True
)
trackingPhase2PU140.toModify(detachedQuadStepTrackCandidates,
clustersToSkip = None,
phase2clustersToSkip = cms.InputTag("detachedQuadStepClusters")
)
# TRACK FITTING
import RecoTracker.TrackProducer.TrackProducer_cfi
detachedQuadStepTracks = RecoTracker.TrackProducer.TrackProducer_cfi.TrackProducer.clone(
AlgorithmName = 'detachedQuadStep',
src = 'detachedQuadStepTrackCandidates',
Fitter = 'FlexibleKFFittingSmoother',
)
# TRACK SELECTION AND QUALITY FLAG SETTING.
from RecoTracker.FinalTrackSelectors.TrackMVAClassifierDetached_cfi import *
detachedQuadStep = TrackMVAClassifierDetached.clone(
src = 'detachedQuadStepTracks',
mva = dict(GBRForestLabel = 'MVASelectorDetachedQuadStep_Phase1'),
qualityCuts = [-0.5,0.0,0.5],
)
# For Phase2PU140
import RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi
detachedQuadStepSelector = RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.multiTrackSelector.clone(
src = 'detachedQuadStepTracks',
trackSelectors = [
RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.looseMTS.clone(
name = 'detachedQuadStepVtxLoose',
chi2n_par = 1.0,
res_par = ( 0.003, 0.001 ),
minNumberLayers = 3,
d0_par1 = ( 0.9, 3.0 ),
dz_par1 = ( 0.9, 3.0 ),
d0_par2 = ( 1.0, 3.0 ),
dz_par2 = ( 1.0, 3.0 )
),
RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.looseMTS.clone(
name = 'detachedQuadStepTrkLoose',
chi2n_par = 0.6,
res_par = ( 0.003, 0.001 ),
minNumberLayers = 3,
d0_par1 = ( 1.3, 4.0 ),
dz_par1 = ( 1.3, 4.0 ),
d0_par2 = ( 1.3, 4.0 ),
dz_par2 = ( 1.3, 4.0 )
),
RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.tightMTS.clone(
name = 'detachedQuadStepVtxTight',
preFilterName = 'detachedQuadStepVtxLoose',
chi2n_par = 0.9,
res_par = ( 0.003, 0.001 ),
minNumberLayers = 3,
maxNumberLostLayers = 1,
minNumber3DLayers = 3,
d0_par1 = ( 0.9, 3.0 ),
dz_par1 = ( 0.9, 3.0 ),
d0_par2 = ( 0.9, 3.0 ),
dz_par2 = ( 0.9, 3.0 )
),
RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.tightMTS.clone(
name = 'detachedQuadStepTrkTight',
preFilterName = 'detachedQuadStepTrkLoose',
chi2n_par = 0.5,
res_par = ( 0.003, 0.001 ),
minNumberLayers = 4,
maxNumberLostLayers = 1,
minNumber3DLayers = 3,
d0_par1 = ( 1.1, 4.0 ),
dz_par1 = ( 1.1, 4.0 ),
d0_par2 = ( 1.1, 4.0 ),
dz_par2 = ( 1.1, 4.0 )
),
RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.highpurityMTS.clone(
name = 'detachedQuadStepVtx',
preFilterName = 'detachedQuadStepVtxTight',
chi2n_par = 0.9,
res_par = ( 0.003, 0.001 ),
minNumberLayers = 3,
maxNumberLostLayers = 1,
minNumber3DLayers = 3,
d0_par1 = ( 0.8, 3.0 ),
dz_par1 = ( 0.8, 3.0 ),
d0_par2 = ( 0.8, 3.0 ),
dz_par2 = ( 0.8, 3.0 )
),
RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.highpurityMTS.clone(
name = 'detachedQuadStepTrk',
preFilterName = 'detachedQuadStepTrkTight',
chi2n_par = 0.5,
res_par = ( 0.003, 0.001 ),
minNumberLayers = 4,
maxNumberLostLayers = 1,
minNumber3DLayers = 3,
d0_par1 = ( 0.9, 4.0 ),
dz_par1 = ( 0.9, 4.0 ),
d0_par2 = ( 0.9, 4.0 ),
dz_par2 = ( 0.9, 4.0 )
)
] #end of vpset
) #end of clone
from RecoTracker.FinalTrackSelectors.trackAlgoPriorityOrder_cfi import trackAlgoPriorityOrder
import RecoTracker.FinalTrackSelectors.trackListMerger_cfi
trackingPhase2PU140.toReplaceWith(detachedQuadStep, RecoTracker.FinalTrackSelectors.trackListMerger_cfi.trackListMerger.clone(
TrackProducers = cms.VInputTag(cms.InputTag('detachedQuadStepTracks'),
cms.InputTag('detachedQuadStepTracks')),
hasSelector=cms.vint32(1,1),
shareFrac = cms.double(0.09),
indivShareFrac=cms.vdouble(0.09,0.09),
selectedTrackQuals = cms.VInputTag(cms.InputTag("detachedQuadStepSelector","detachedQuadStepVtx"),
cms.InputTag("detachedQuadStepSelector","detachedQuadStepTrk")),
setsToMerge = cms.VPSet(cms.PSet( tLists=cms.vint32(0,1), pQual=cms.bool(True) )),
writeOnlyTrkQuals=cms.bool(True)
)
)
DetachedQuadStep = cms.Sequence(detachedQuadStepClusters*
detachedQuadStepSeedLayers*
detachedQuadStepTrackingRegions*
detachedQuadStepHitDoublets*
detachedQuadStepHitQuadruplets*
detachedQuadStepSeeds*
detachedQuadStepTrackCandidates*
detachedQuadStepTracks*
detachedQuadStep)
_DetachedQuadStep_Phase1Prop = DetachedQuadStep.copy()
_DetachedQuadStep_Phase1Prop.replace(detachedQuadStepHitDoublets, detachedQuadStepHitDoublets+detachedQuadStepHitTriplets)
trackingPhase1QuadProp.toReplaceWith(DetachedQuadStep, _DetachedQuadStep_Phase1Prop)
_DetachedQuadStep_Phase2PU140 = DetachedQuadStep.copy()
_DetachedQuadStep_Phase2PU140.replace(detachedQuadStep, detachedQuadStepSelector+detachedQuadStep)
trackingPhase2PU140.toReplaceWith(DetachedQuadStep, _DetachedQuadStep_Phase2PU140)