MergeTrackCollections_cff.py

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import FWCore.ParameterSet.Config as cms
 
from RecoTracker.FinalTrackSelectors.DuplicateTrackMerger_cfi import *
from RecoTracker.FinalTrackSelectors.DuplicateListMerger_cfi import *
from RecoTracker.FinalTrackSelectors.trackAlgoPriorityOrder_cfi import trackAlgoPriorityOrder
 
from TrackingTools.KalmanUpdators.Chi2MeasurementEstimator_cfi import Chi2MeasurementEstimator as _Chi2MeasurementEstimator
duplicateTrackCandidatesChi2Est = _Chi2MeasurementEstimator.clone(
    ComponentName = "duplicateTrackCandidatesChi2Est",
    MaxChi2 = 100,
)
 
duplicateTrackCandidates = DuplicateTrackMerger.clone(
    source = "preDuplicateMergingGeneralTracks",
    useInnermostState  = True,
    ttrhBuilderName   = "WithAngleAndTemplate",
    chi2EstimatorName = "duplicateTrackCandidatesChi2Est"
)
 
import RecoTracker.TrackProducer.TrackProducer_cfi
mergedDuplicateTracks = RecoTracker.TrackProducer.TrackProducer_cfi.TrackProducer.clone(
    src = "duplicateTrackCandidates:candidates",
    Fitter='RKFittingSmoother' # no outlier rejection!
)
 
from RecoTracker.FinalTrackSelectors.TrackCutClassifier_cff import *
duplicateTrackClassifier = TrackCutClassifier.clone(
    src='mergedDuplicateTracks',
    mva = dict(
    minPixelHits = [0,0,0],
    maxChi2 = [9999.,9999.,9999.],
    maxChi2n = [10.,1.0,0.4],  # [9999.,9999.,9999.]
    minLayers = [0,0,0],
    min3DLayers = [0,0,0],
    maxLostLayers = [99,99,99])
)
 
generalTracks = DuplicateListMerger.clone(
    originalSource      = "preDuplicateMergingGeneralTracks",
    originalMVAVals     = "preDuplicateMergingGeneralTracks:MVAValues",
    mergedSource        = "mergedDuplicateTracks",
    mergedMVAVals       = "duplicateTrackClassifier:MVAValues",
    candidateSource     = "duplicateTrackCandidates:candidates",
    candidateComponents = "duplicateTrackCandidates:candidateMap"
)
 
generalTracksTask = cms.Task(
    duplicateTrackCandidates,
    mergedDuplicateTracks,
    duplicateTrackClassifier,
    generalTracks
    )
generalTracksSequence = cms.Sequence(generalTracksTask)
 
from Configuration.Eras.Modifier_fastSim_cff import fastSim
fastSim.toReplaceWith(generalTracksTask, 
                      cms.Task(duplicateTrackCandidates,
                               mergedDuplicateTracks,
                               duplicateTrackClassifier)
)
 
def _fastSimGeneralTracks(process):
    from FastSimulation.Configuration.DigiAliases_cff import loadGeneralTracksAlias
    loadGeneralTracksAlias(process)
modifyMergeTrackCollections_fastSimGeneralTracks = fastSim.makeProcessModifier( _fastSimGeneralTracks )
 
import RecoTracker.FinalTrackSelectors.trackListMerger_cfi
conversionStepTracks = RecoTracker.FinalTrackSelectors.trackListMerger_cfi.trackListMerger.clone(
    TrackProducers     = ['convStepTracks'],
    hasSelector        = [1],
    selectedTrackQuals = ['convStepSelector:convStep'],
    setsToMerge = cms.VPSet( cms.PSet( tLists=cms.vint32(1), pQual=cms.bool(True) )
                             ),
    copyExtras = True,
    makeReKeyedSeeds = cms.untracked.bool(False),
)