hiRegitInitialStep_cff.py

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import FWCore.ParameterSet.Config as cms

# pp iterative tracking modified for hiOffline reco (the vertex is the one reconstructed in HI)
################################### 0st step:pixel-triplet seeding, high-pT;
from RecoHI.HiTracking.HITrackingRegionProducer_cfi import *

###################################  
from RecoTracker.IterativeTracking.InitialStep_cff import *

#################################
# Filter on quality tracks
hiGeneralTrackFilter = cms.EDProducer("QualityFilter",
                                      TrackQuality = cms.string('highPurity'),
                                      recTracks = cms.InputTag("hiGeneralTracks")
                                      )

# NEW CLUSTERS (remove previously used clusters)
hiRegitInitialStepClusters = cms.EDProducer("TrackClusterRemover",
                                            clusterLessSolution= cms.bool(True),
                                            oldClusterRemovalInfo = cms.InputTag("hiPixelPairClusters"),
                                            trajectories = cms.InputTag("hiGeneralTrackFilter"),
                                            TrackQuality = cms.string('highPurity'),
                                            pixelClusters = cms.InputTag("siPixelClusters"),
                                            stripClusters = cms.InputTag("siStripClusters"),
                                            Common = cms.PSet(
    maxChi2 = cms.double(9.0),
    ),
                                            Strip = cms.PSet(
    maxChi2 = cms.double(9.0),
    )
                                            )



# seeding
hiRegitInitialStepSeeds     = RecoTracker.IterativeTracking.InitialStep_cff.initialStepSeeds.clone()
hiRegitInitialStepSeeds.RegionFactoryPSet                                           = HiTrackingRegionFactoryFromJetsBlock.clone()
hiRegitInitialStepSeeds.ClusterCheckPSet.doClusterCheck                             = False # do not check for max number of clusters pixel or strips
hiRegitInitialStepSeeds.skipClusters = cms.InputTag('hiRegitInitialStepClusters')
hiRegitInitialStepSeeds.RegionFactoryPSet.RegionPSet.ptMin = 1.2

# building: feed the new-named seeds
hiRegitInitialStepTrajectoryFilter = RecoTracker.IterativeTracking.InitialStep_cff.initialStepTrajectoryFilter.clone()


hiRegitInitialStepTrajectoryBuilder = RecoTracker.IterativeTracking.InitialStep_cff.initialStepTrajectoryBuilder.clone(
    trajectoryFilter = cms.PSet(refToPSet_ = cms.string('hiRegitInitialStepTrajectoryFilter')),
    clustersToSkip = cms.InputTag('hiRegitInitialStepClusters')
)

# track candidates
hiRegitInitialStepTrackCandidates        =  RecoTracker.IterativeTracking.InitialStep_cff.initialStepTrackCandidates.clone(
    src               = cms.InputTag('hiRegitInitialStepSeeds'),
    TrajectoryBuilderPSet = cms.PSet(refToPSet_ = cms.string('hiRegitInitialStepTrajectoryBuilder')),
    maxNSeeds = 100000
    )

# fitting: feed new-names
hiRegitInitialStepTracks                 = RecoTracker.IterativeTracking.InitialStep_cff.initialStepTracks.clone(
    src                 = 'hiRegitInitialStepTrackCandidates',
    AlgorithmName = cms.string('iter0')
)


# Track selection
import RecoHI.HiTracking.hiMultiTrackSelector_cfi
hiRegitInitialStepSelector = RecoHI.HiTracking.hiMultiTrackSelector_cfi.hiMultiTrackSelector.clone(
    src='hiRegitInitialStepTracks',
    trackSelectors= cms.VPSet(
    RecoHI.HiTracking.hiMultiTrackSelector_cfi.hiLooseMTS.clone(
    name = 'hiRegitInitialStepLoose',
    d0_par2 = [9999.0, 0.0],
    dz_par2 = [9999.0, 0.0],
    applyAdaptedPVCuts = False
    ), #end of pset
    RecoHI.HiTracking.hiMultiTrackSelector_cfi.hiTightMTS.clone(
    name = 'hiRegitInitialStepTight',
    preFilterName = 'hiRegitInitialStepLoose',
    d0_par2 = [9999.0, 0.0],
    dz_par2 = [9999.0, 0.0],
    applyAdaptedPVCuts = False
    ),
    RecoHI.HiTracking.hiMultiTrackSelector_cfi.hiHighpurityMTS.clone(
    name = 'hiRegitInitialStep',
    preFilterName = 'hiRegitInitialStepTight',
    d0_par2 = [9999.0, 0.0],
    dz_par2 = [9999.0, 0.0],
    applyAdaptedPVCuts = False
    ),
    ) #end of vpset
    ) #end of clone  


hiRegitInitialStep = cms.Sequence(hiGeneralTrackFilter*
                                  hiRegitInitialStepClusters*
                                  hiRegitInitialStepSeeds*
                                  hiRegitInitialStepTrackCandidates*
                                  hiRegitInitialStepTracks*
                                  hiRegitInitialStepSelector)