text: import FWCore.ParameterSet.Config as cms
  
  # The following DF algorithms looks how far a rechit is from the
  # proto segment in terms of its error ellipse.  This is different
  # from SK & TC algorithms which use a cylinder around the proto
  # segment and look for rechits within that cylinder
  DF_ME1234_1 = cms.PSet(
      preClustering = cms.untracked.bool(False),
      minHitsPerSegment = cms.int32(3),
      dPhiFineMax = cms.double(0.025),
      chi2Max = cms.double(5000.0),
      dXclusBoxMax = cms.double(8.0),
      tanThetaMax = cms.double(1.2),
      tanPhiMax = cms.double(0.5),
      maxRatioResidualPrune = cms.double(3.0),
      minHitsForPreClustering = cms.int32(10),
      CSCSegmentDebug = cms.untracked.bool(False),
      dRPhiFineMax = cms.double(8.0),
      nHitsPerClusterIsShower = cms.int32(20),
      minLayersApart = cms.int32(2),
      Pruning = cms.untracked.bool(False),
      dYclusBoxMax = cms.double(8.0),
      maxDPhi = cms.double(999.),
      maxDTheta = cms.double(999.)
  )
  DF_ME1234_2 = cms.PSet(
      preClustering = cms.untracked.bool(False),
      minHitsPerSegment = cms.int32(3),
      dPhiFineMax = cms.double(0.025),
      chi2Max = cms.double(5000.0),
      dXclusBoxMax = cms.double(8.0),
      tanThetaMax = cms.double(2.0),
      tanPhiMax = cms.double(0.8),
      maxRatioResidualPrune = cms.double(3.0),
      minHitsForPreClustering = cms.int32(10),
      CSCSegmentDebug = cms.untracked.bool(False),
      dRPhiFineMax = cms.double(12.0),
      nHitsPerClusterIsShower = cms.int32(20),
      minLayersApart = cms.int32(2),
      Pruning = cms.untracked.bool(False),
      dYclusBoxMax = cms.double(12.0),
      maxDPhi = cms.double(999.),
      maxDTheta = cms.double(999.)
  )
  DF_ME1A = cms.PSet(
      preClustering = cms.untracked.bool(False),
      minHitsPerSegment = cms.int32(3),
      dPhiFineMax = cms.double(0.025),
      chi2Max = cms.double(5000.0),
      dXclusBoxMax = cms.double(8.0),
      tanThetaMax = cms.double(1.2),
      tanPhiMax = cms.double(0.5),
      maxRatioResidualPrune = cms.double(3.0),
      minHitsForPreClustering = cms.int32(30),
      CSCSegmentDebug = cms.untracked.bool(False),
      dRPhiFineMax = cms.double(8.0),
      nHitsPerClusterIsShower = cms.int32(20),
      minLayersApart = cms.int32(2),
      Pruning = cms.untracked.bool(False),
      dYclusBoxMax = cms.double(8.0),
      maxDPhi = cms.double(999.),
      maxDTheta = cms.double(999.)
  )
  CSCSegAlgoDF = cms.PSet(
      chamber_types = cms.vstring('ME1/a', 'ME1/b', 'ME1/2', 'ME1/3', 'ME2/1', 'ME2/2', 'ME3/1', 'ME3/2', 'ME4/1','ME4/2'),
      algo_name = cms.string('CSCSegAlgoDF'),
      algo_psets = cms.VPSet( cms.PSet(DF_ME1234_1), cms.PSet(DF_ME1234_2), cms.PSet(DF_ME1A) ),
      parameters_per_chamber_type = cms.vint32( 3, 1, 2, 2, 1, 2, 1, 2, 1, 2 )
  )
  
  