HILowPtConformalPixelTracks_cfi.py

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import FWCore.ParameterSet.Config as cms

from RecoTracker.TkHitPairs.hitPairEDProducer_cfi import hitPairEDProducer as _hitPairEDProducer
from RecoPixelVertexing.PixelTriplets.pixelTripletHLTEDProducer_cfi import pixelTripletHLTEDProducer as _pixelTripletHLTEDProducer
from RecoPixelVertexing.PixelLowPtUtilities.ClusterShapeHitFilterESProducer_cfi import *
from RecoPixelVertexing.PixelLowPtUtilities.trackCleaner_cfi import *
from RecoPixelVertexing.PixelTrackFitting.pixelFitterByConformalMappingAndLine_cfi import *
from RecoHI.HiTracking.HIPixelTrackFilter_cff import *
from RecoHI.HiTracking.HITrackingRegionProducer_cfi import *

# Hit ntuplets
hiConformalPixelTracksHitDoublets = _hitPairEDProducer.clone(
    clusterCheck    = "",
    seedingLayers   = "PixelLayerTriplets",
    trackingRegions = "hiTrackingRegionWithVertex",
    maxElement      = 50000000,
    produceIntermediateHitDoublets = True,
)

hiConformalPixelTracksHitTriplets = _pixelTripletHLTEDProducer.clone(
    doublets   = "hiConformalPixelTracksHitDoublets",
    maxElement = 5000000, # increase threshold for triplets in generation step (default: 100000)
    produceSeedingHitSets = True,
)

import RecoPixelVertexing.PixelTrackFitting.pixelTracks_cfi as _mod
# Pixel tracks
hiConformalPixelTracks = _mod.pixelTracks.clone(
    #passLabel  = 'Pixel triplet low-pt tracks with vertex constraint',
    # Ordered Hits
    SeedingHitSets = "hiConformalPixelTracksHitTriplets",
    # Fitter
    Fitter = 'pixelFitterByConformalMappingAndLine',
    # Filter
    Filter = "hiConformalPixelFilter",   
    # Cleaner
    Cleaner = "trackCleaner"
)



#Tracking regions - use PV from pp tracking
from RecoTracker.TkTrackingRegions.globalTrackingRegionWithVertices_cfi import globalTrackingRegionWithVertices
hiConformalPixelTracksPhase1TrackingRegions = globalTrackingRegionWithVertices.clone(
    RegionPSet = dict(
    precise = True,
    useMultipleScattering = False,
    useFakeVertices  = False,
    beamSpot         = "offlineBeamSpot",
    useFixedError    = True,
    nSigmaZ          = 3.0,
    sigmaZVertex     = 3.0,
    fixedError       = 0.2,
    VertexCollection = "offlinePrimaryVertices",
    ptMin            = 0.3,
    useFoundVertices = True,
    originRadius     = 0.2 
    )
)

# SEEDING LAYERS
# Using 4 layers layerlist
from RecoTracker.IterativeTracking.LowPtQuadStep_cff import lowPtQuadStepSeedLayers
hiConformalPixelTracksPhase1SeedLayers = lowPtQuadStepSeedLayers.clone(
    BPix = cms.PSet( 
    HitProducer = cms.string('siPixelRecHits'),
        TTRHBuilder = cms.string('WithTrackAngle'),
    ),
    FPix = cms.PSet( 
        HitProducer = cms.string('siPixelRecHits'),
        TTRHBuilder = cms.string('WithTrackAngle'),
    )
)


# Hit ntuplets
from RecoTracker.IterativeTracking.LowPtQuadStep_cff import lowPtQuadStepHitDoublets
hiConformalPixelTracksPhase1HitDoubletsCA = lowPtQuadStepHitDoublets.clone(
    seedingLayers   = "hiConformalPixelTracksPhase1SeedLayers",
    trackingRegions = "hiConformalPixelTracksPhase1TrackingRegions"
)


from RecoTracker.IterativeTracking.LowPtQuadStep_cff import lowPtQuadStepHitQuadruplets
hiConformalPixelTracksPhase1HitQuadrupletsCA = lowPtQuadStepHitQuadruplets.clone(
    doublets   = "hiConformalPixelTracksPhase1HitDoubletsCA",
    CAPhiCut   = 0.2,
    CAThetaCut = 0.0012,
    SeedComparitorPSet = dict( 
       ComponentName = 'none'
    ),
    extraHitRPhitolerance = 0.032,
    maxChi2 = dict(
       enabled = True,
       pt1     = 0.7,
       pt2     = 2,
       value1  = 200,
       value2  = 50
    )
)

#Filter
hiConformalPixelTracksPhase1Filter = hiConformalPixelFilter.clone(
    VertexCollection = "offlinePrimaryVertices",
    chi2   = 30.0,
    lipMax = 999.0,
    nSigmaLipMaxTolerance = 3.0,
    nSigmaTipMaxTolerance = 3.0,
    ptMax  = 999999,
    ptMin  = 0.30,
    tipMax = 999.0
)

from RecoPixelVertexing.PixelTrackFitting.pixelNtupletsFitter_cfi import pixelNtupletsFitter

from Configuration.Eras.Modifier_phase1Pixel_cff import phase1Pixel
phase1Pixel.toModify(hiConformalPixelTracks,
    Cleaner = 'pixelTrackCleanerBySharedHits',
    Filter  = "hiConformalPixelTracksPhase1Filter",
    Fitter  = "pixelNtupletsFitter",
    SeedingHitSets = "hiConformalPixelTracksPhase1HitQuadrupletsCA",
)

hiConformalPixelTracksTask = cms.Task(
    hiTrackingRegionWithVertex ,
    hiConformalPixelTracksHitDoublets ,
    hiConformalPixelTracksHitTriplets ,
    pixelFitterByConformalMappingAndLine ,
    hiConformalPixelFilter ,
    hiConformalPixelTracks
)

hiConformalPixelTracksTaskPhase1 = cms.Task(
    hiConformalPixelTracksPhase1TrackingRegions ,
    hiConformalPixelTracksPhase1SeedLayers ,
    hiConformalPixelTracksPhase1HitDoubletsCA ,
    hiConformalPixelTracksPhase1HitQuadrupletsCA ,
    pixelNtupletsFitter ,
    hiConformalPixelTracksPhase1Filter ,
    hiConformalPixelTracks
)
hiConformalPixelTracksSequencePhase1 = cms.Sequence(hiConformalPixelTracksTaskPhase1)