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File indexing completed on 2024-04-06 12:33:34

 import FWCore.ParameterSet.Config as cms
 
 from Configuration.StandardSequences.MagneticField_AutoFromDBCurrent_cff import *
 from Configuration.StandardSequences.GeometryRecoDB_cff import *
 from Configuration.StandardSequences.Reconstruction_cff import *
 
 #from RecoVertex.PrimaryVertexProducer.OfflinePrimaryVertices_cfi import *
 
 # 2010-like PV reconstruction 
 from RecoVertex.PrimaryVertexProducer.OfflinePrimaryVertices_cfi import offlinePrimaryVertices
 offlinePrimaryVerticesGAP = offlinePrimaryVertices.clone(
        TrackLabel = "generalTracks",             # label of tracks to be used
        TkFilterParameters = dict(
                     maxNormalizedChi2 = 20.0,    #
                     minSiliconLayersWithHits = 5,# >= 5
                     minPixelLayersWithHits = 2,  # >= 2
                     maxD0Significance = 100.0,   # keep most primary tracks
                     minPt = 0.0,                 # better for softish events
                     maxEta = 5.0
                 ),
        # clustering
        TkClusParameters = dict(
                    algorithm   = 'gap',
                    TkGapClusParameters = dict(
                          zSeparation = 0.2
                    )
        ),
        vertexCollections = cms.VPSet(
               [cms.PSet(label=cms.string(""),
                         chi2cutoff = cms.double(3.0),
                         algorithm = cms.string('AdaptiveVertexFitter'),
                         minNdof=cms.double(0.0),
                         useBeamConstraint = cms.bool(False),
                         maxDistanceToBeam = cms.double(2.0)
                        )
               ]
        )
 )
 
 offlinePrimaryVerticesD0s5 = offlinePrimaryVerticesGAP.clone(
     TkFilterParameters = dict( 
            maxD0Significance = 5 
     )
 )
 offlinePrimaryVerticesD0s51mm = offlinePrimaryVerticesGAP.clone(
     TkFilterParameters = dict(
            maxD0Significance = 5
     ),
     TkClusParameters = dict(
            TkGapClusParameters = dict(
                   zSeparation = 0.1
            )
     )
 )
 
 offlinePrimaryVerticesDA100um = offlinePrimaryVertices.clone(
     TrackLabel = "generalTracks",
     TkFilterParameters = dict(
         maxNormalizedChi2 = 20.0,
         maxD0Significance = 5.0,
         maxEta = 5.0
     ),
 
     TkClusParameters = dict(
         algorithm   = "DA",
         TkDAClusParameters = dict(
             coolingFactor = 0.6,  #  moderate annealing speed
             Tmin = 4.0,           #  end of annealing
             vertexSize = 0.01,    #  
             d0CutOff = 3.,        # downweight high IP tracks
             dzCutOff = 4.         # outlier rejection after freeze-out (T<Tmin)
         )
     ),
 
     vertexCollections = cms.VPSet(
      [cms.PSet(label=cms.string(""),
                chi2cutoff = cms.double(3.0),
                algorithm=cms.string("AdaptiveVertexFitter"),
                minNdof=cms.double(0.0),
                useBeamConstraint = cms.bool(False),
                maxDistanceToBeam = cms.double(1.0)
               )
      ]
     )
 )
 
 offlinePrimaryVerticesDA100umV7 = offlinePrimaryVerticesDA100um.clone(
     vertexCollections = {0: dict(maxDistanceToBeam = 2.0)},
     TkFilterParameters = dict(
            maxNormalizedChi2 = 5.0
     ),
     TkClusParameters = dict(
            TkDAClusParameters = dict(
                   coolingFactor = 0.8,
                   Tmin = 9.
            )
     )
 )
 offlinePrimaryVerticesDA100umV8 = offlinePrimaryVerticesDA100um.clone(
     vertexCollections = {0: dict(maxDistanceToBeam = 1.0)},
     TkFilterParameters = dict(
            maxNormalizedChi2 = 5.0
     ),
     TkClusParameters = dict(
            TkDAClusParameters = dict(
                   coolingFactor = 0.6,
                   Tmin = 4.
            )
     )
 )
 
 seqPVReco = cms.Sequence(offlinePrimaryVerticesGAP + offlinePrimaryVerticesD0s5 + offlinePrimaryVerticesD0s51mm +
                          offlinePrimaryVerticesDA100um + offlinePrimaryVerticesDA100umV7 + offlinePrimaryVerticesDA100umV8 )

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