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LowPU_MixedTripletStep_cff.py
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1 import FWCore.ParameterSet.Config as cms
2 
3 ###############################################################
4 # Large impact parameter Tracking using mixed-triplet seeding #
5 ###############################################################
6 
7 mixedTripletStepClusters = cms.EDProducer("TrackClusterRemover",
8  clusterLessSolution = cms.bool(True),
9  oldClusterRemovalInfo = cms.InputTag("detachedTripletStepClusters"),
10  trajectories = cms.InputTag("detachedTripletStepTracks"),
11  overrideTrkQuals = cms.InputTag('detachedTripletStep'),
12  TrackQuality = cms.string('highPurity'),
13  minNumberOfLayersWithMeasBeforeFiltering = cms.int32(0),
14  pixelClusters = cms.InputTag("siPixelClusters"),
15  stripClusters = cms.InputTag("siStripClusters"),
16  Common = cms.PSet(
17  maxChi2 = cms.double(9.0)
18  )
19 )
20 
21 # SEEDING LAYERS
22 mixedTripletStepSeedLayersA = cms.EDProducer("SeedingLayersEDProducer",
23  layerList = cms.vstring('BPix1+BPix2+BPix3',
24  'BPix1+BPix2+FPix1_pos', 'BPix1+BPix2+FPix1_neg',
25  'BPix1+FPix1_pos+FPix2_pos', 'BPix1+FPix1_neg+FPix2_neg',
26  'BPix2+FPix1_pos+FPix2_pos', 'BPix2+FPix1_neg+FPix2_neg',
27  'FPix1_pos+FPix2_pos+TEC1_pos', 'FPix1_neg+FPix2_neg+TEC1_neg',
28  'FPix1_pos+FPix2_pos+TEC2_pos', 'FPix1_neg+FPix2_neg+TEC2_neg',
29  'FPix2_pos+TEC2_pos+TEC3_pos', 'FPix2_neg+TEC2_neg+TEC3_neg'),
30  BPix = cms.PSet(
31  TTRHBuilder = cms.string('TTRHBuilderWithoutAngle4MixedTriplets'),
32  HitProducer = cms.string('siPixelRecHits'),
33  skipClusters = cms.InputTag('mixedTripletStepClusters')
34  ),
35  FPix = cms.PSet(
36  TTRHBuilder = cms.string('TTRHBuilderWithoutAngle4MixedTriplets'),
37  HitProducer = cms.string('siPixelRecHits'),
38  skipClusters = cms.InputTag('mixedTripletStepClusters')
39  ),
40  TEC = cms.PSet(
41  matchedRecHits = cms.InputTag("siStripMatchedRecHits","matchedRecHit"),
42  useRingSlector = cms.bool(True),
43  TTRHBuilder = cms.string('WithTrackAngle'),
44  minRing = cms.int32(1),
45  maxRing = cms.int32(1),
46  skipClusters = cms.InputTag('mixedTripletStepClusters')
47  )
48 )
49 
50 # SEEDS
51 from RecoPixelVertexing.PixelTriplets.PixelTripletLargeTipGenerator_cfi import *
52 PixelTripletLargeTipGenerator.extraHitRZtolerance = 0.0
53 PixelTripletLargeTipGenerator.extraHitRPhitolerance = 0.0
54 import RecoTracker.TkSeedGenerator.GlobalSeedsFromTriplets_cff
55 mixedTripletStepSeedsA = RecoTracker.TkSeedGenerator.GlobalSeedsFromTriplets_cff.globalSeedsFromTriplets.clone()
56 mixedTripletStepSeedsA.OrderedHitsFactoryPSet.SeedingLayers = 'mixedTripletStepSeedLayersA'
57 mixedTripletStepSeedsA.OrderedHitsFactoryPSet.GeneratorPSet = cms.PSet(PixelTripletLargeTipGenerator)
58 mixedTripletStepSeedsA.SeedCreatorPSet.ComponentName = 'SeedFromConsecutiveHitsTripletOnlyCreator'
59 mixedTripletStepSeedsA.RegionFactoryPSet.RegionPSet.ptMin = 0.3
60 mixedTripletStepSeedsA.RegionFactoryPSet.RegionPSet.originHalfLength = 20.0
61 mixedTripletStepSeedsA.RegionFactoryPSet.RegionPSet.originRadius = 1.5
62 
63 # SEEDING LAYERS
64 mixedTripletStepSeedLayersB = cms.EDProducer("SeedingLayersEDProducer",
65  layerList = cms.vstring('BPix2+BPix3+TIB1', 'BPix2+BPix3+TIB2'),
66  BPix = cms.PSet(
67  TTRHBuilder = cms.string('TTRHBuilderWithoutAngle4MixedTriplets'),
68  HitProducer = cms.string('siPixelRecHits'),
69  skipClusters = cms.InputTag('mixedTripletStepClusters')
70  ),
71  TIB = cms.PSet(
72  matchedRecHits = cms.InputTag("siStripMatchedRecHits","matchedRecHit"),
73  TTRHBuilder = cms.string('WithTrackAngle'),
74  skipClusters = cms.InputTag('mixedTripletStepClusters')
75  )
76 )
77 
78 # SEEDS
79 from RecoPixelVertexing.PixelTriplets.PixelTripletLargeTipGenerator_cfi import *
80 PixelTripletLargeTipGenerator.extraHitRZtolerance = 0.0
81 PixelTripletLargeTipGenerator.extraHitRPhitolerance = 0.0
82 import RecoTracker.TkSeedGenerator.GlobalSeedsFromTriplets_cff
83 mixedTripletStepSeedsB = RecoTracker.TkSeedGenerator.GlobalSeedsFromTriplets_cff.globalSeedsFromTriplets.clone()
84 mixedTripletStepSeedsB.OrderedHitsFactoryPSet.SeedingLayers = 'mixedTripletStepSeedLayersB'
85 mixedTripletStepSeedsB.OrderedHitsFactoryPSet.GeneratorPSet = cms.PSet(PixelTripletLargeTipGenerator)
86 mixedTripletStepSeedsB.SeedCreatorPSet.ComponentName = 'SeedFromConsecutiveHitsTripletOnlyCreator'
87 mixedTripletStepSeedsB.RegionFactoryPSet.RegionPSet.ptMin = 0.4
88 mixedTripletStepSeedsB.RegionFactoryPSet.RegionPSet.originHalfLength = 15.0
89 mixedTripletStepSeedsB.RegionFactoryPSet.RegionPSet.originRadius = 1.5
90 
91 mixedTripletStepSeedsB.SeedComparitorPSet = cms.PSet(
92  ComponentName = cms.string('PixelClusterShapeSeedComparitor'),
93  FilterAtHelixStage = cms.bool(False),
94  FilterPixelHits = cms.bool(True),
95  FilterStripHits = cms.bool(True),
96  ClusterShapeHitFilterName = cms.string('ClusterShapeHitFilter'),
97  ClusterShapeCacheSrc = cms.InputTag('siPixelClusterShapeCache')
98  )
99 
100 import RecoTracker.TkSeedGenerator.GlobalCombinedSeeds_cfi
101 mixedTripletStepSeeds = RecoTracker.TkSeedGenerator.GlobalCombinedSeeds_cfi.globalCombinedSeeds.clone()
102 mixedTripletStepSeeds.seedCollections = cms.VInputTag(
103  cms.InputTag('mixedTripletStepSeedsA'),
104  cms.InputTag('mixedTripletStepSeedsB'),
105  )
106 
107 # QUALITY CUTS DURING TRACK BUILDING
108 import TrackingTools.TrajectoryFiltering.TrajectoryFilter_cff
109 mixedTripletStepTrajectoryFilter = TrackingTools.TrajectoryFiltering.TrajectoryFilter_cff.CkfBaseTrajectoryFilter_block.clone(
110  maxLostHits = 0,
111  minimumNumberOfHits = 3,
112  minPt = 0.05
113  )
114 
115 # Propagator taking into account momentum uncertainty in multiple scattering calculation.
116 import TrackingTools.MaterialEffects.MaterialPropagator_cfi
117 mixedTripletStepPropagator = TrackingTools.MaterialEffects.MaterialPropagator_cfi.MaterialPropagator.clone(
118  ComponentName = 'mixedTripletStepPropagator',
119  ptMin = 0.05
120  )
121 import TrackingTools.MaterialEffects.OppositeMaterialPropagator_cfi
122 mixedTripletStepPropagatorOpposite = TrackingTools.MaterialEffects.OppositeMaterialPropagator_cfi.OppositeMaterialPropagator.clone(
123  ComponentName = 'mixedTripletStepPropagatorOpposite',
124  ptMin = 0.05
125  )
126 
127 import TrackingTools.KalmanUpdators.Chi2MeasurementEstimatorESProducer_cfi
128 mixedTripletStepChi2Est = TrackingTools.KalmanUpdators.Chi2MeasurementEstimatorESProducer_cfi.Chi2MeasurementEstimator.clone(
129  ComponentName = cms.string('mixedTripletStepChi2Est'),
130  nSigma = cms.double(3.0),
131  MaxChi2 = cms.double(25.0)
132 )
133 
134 # TRACK BUILDING
135 import RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi
136 mixedTripletStepTrajectoryBuilder = RecoTracker.CkfPattern.GroupedCkfTrajectoryBuilder_cfi.GroupedCkfTrajectoryBuilder.clone(
137  MeasurementTrackerName = '',
138  trajectoryFilter = cms.PSet(refToPSet_ = cms.string('mixedTripletStepTrajectoryFilter')),
139  propagatorAlong = cms.string('mixedTripletStepPropagator'),
140  propagatorOpposite = cms.string('mixedTripletStepPropagatorOpposite'),
141  clustersToSkip = cms.InputTag('mixedTripletStepClusters'),
142  maxCand = 3,
143  estimator = cms.string('mixedTripletStepChi2Est'),
144  maxDPhiForLooperReconstruction = cms.double(2.0),
145  maxPtForLooperReconstruction = cms.double(0.7)
146  )
147 
148 # MAKING OF TRACK CANDIDATES
149 import RecoTracker.CkfPattern.CkfTrackCandidates_cfi
150 mixedTripletStepTrackCandidates = RecoTracker.CkfPattern.CkfTrackCandidates_cfi.ckfTrackCandidates.clone(
151  src = cms.InputTag('mixedTripletStepSeeds'),
152  ### these two parameters are relevant only for the CachingSeedCleanerBySharedInput
153  numHitsForSeedCleaner = cms.int32(50),
154  #onlyPixelHitsForSeedCleaner = cms.bool(True),
155  TrajectoryBuilderPSet = cms.PSet(refToPSet_ = cms.string('mixedTripletStepTrajectoryBuilder')),
156  doSeedingRegionRebuilding = True,
157  useHitsSplitting = True
158 )
159 
160 from TrackingTools.TrajectoryCleaning.TrajectoryCleanerBySharedHits_cfi import trajectoryCleanerBySharedHits
161 mixedTripletStepTrajectoryCleanerBySharedHits = trajectoryCleanerBySharedHits.clone(
162  ComponentName = cms.string('mixedTripletStepTrajectoryCleanerBySharedHits'),
163  fractionShared = cms.double(0.11),
164  allowSharedFirstHit = cms.bool(True)
165  )
166 mixedTripletStepTrackCandidates.TrajectoryCleaner = 'mixedTripletStepTrajectoryCleanerBySharedHits'
167 
168 
169 # TRACK FITTING
170 import RecoTracker.TrackProducer.TrackProducer_cfi
171 mixedTripletStepTracks = RecoTracker.TrackProducer.TrackProducer_cfi.TrackProducer.clone(
172  AlgorithmName = cms.string('iter4'),
173  src = 'mixedTripletStepTrackCandidates',
174  Fitter = cms.string('FlexibleKFFittingSmoother')
175 )
176 
177 # TRACK SELECTION AND QUALITY FLAG SETTING.
178 import RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi
179 mixedTripletStepSelector = RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.multiTrackSelector.clone(
180  src='mixedTripletStepTracks',
181  trackSelectors= cms.VPSet(
182  RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.looseMTS.clone(
183  name = 'mixedTripletStepVtxLoose',
184  chi2n_par = 0.9,
185  res_par = ( 0.003, 0.001 ),
186  minNumberLayers = 3,
187  maxNumberLostLayers = 1,
188  minNumber3DLayers = 3,
189  d0_par1 = ( 1.2, 3.0 ),
190  dz_par1 = ( 1.2, 3.0 ),
191  d0_par2 = ( 1.3, 3.0 ),
192  dz_par2 = ( 1.3, 3.0 )
193  ),
194  RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.looseMTS.clone(
195  name = 'mixedTripletStepTrkLoose',
196  chi2n_par = 0.4,
197  res_par = ( 0.003, 0.001 ),
198  minNumberLayers = 4,
199  maxNumberLostLayers = 1,
200  minNumber3DLayers = 3,
201  d0_par1 = ( 1.0, 4.0 ),
202  dz_par1 = ( 1.1, 4.0 ),
203  d0_par2 = ( 1.1, 4.0 ),
204  dz_par2 = ( 1.1, 4.0 )
205  ),
206  RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.tightMTS.clone(
207  name = 'mixedTripletStepVtxTight',
208  preFilterName = 'mixedTripletStepVtxLoose',
209  chi2n_par = 0.6,
210  res_par = ( 0.003, 0.001 ),
211  minNumberLayers = 3,
212  maxNumberLostLayers = 1,
213  minNumber3DLayers = 3,
214  d0_par1 = ( 1.0, 3.0 ),
215  dz_par1 = ( 1.1, 3.0 ),
216  d0_par2 = ( 1.1, 3.0 ),
217  dz_par2 = ( 1.1, 3.0 )
218  ),
219  RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.tightMTS.clone(
220  name = 'mixedTripletStepTrkTight',
221  preFilterName = 'mixedTripletStepTrkLoose',
222  chi2n_par = 0.3,
223  res_par = ( 0.003, 0.001 ),
224  minNumberLayers = 5,
225  maxNumberLostLayers = 1,
226  minNumber3DLayers = 4,
227  d0_par1 = ( 0.9, 4.0 ),
228  dz_par1 = ( 1.0, 4.0 ),
229  d0_par2 = ( 1.0, 4.0 ),
230  dz_par2 = ( 1.0, 4.0 )
231  ),
232  RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.highpurityMTS.clone(
233  name = 'mixedTripletStepVtx',
234  preFilterName = 'mixedTripletStepVtxTight',
235  chi2n_par = 0.4,
236  res_par = ( 0.003, 0.001 ),
237  minNumberLayers = 3,
238  maxNumberLostLayers = 1,
239  minNumber3DLayers = 3,
240  max_minMissHitOutOrIn = 1,
241  d0_par1 = ( 0.9, 3.0 ),
242  dz_par1 = ( 1.0, 3.0 ),
243  d0_par2 = ( 1.0, 3.0 ),
244  dz_par2 = ( 1.0, 3.0 )
245  ),
246  RecoTracker.FinalTrackSelectors.multiTrackSelector_cfi.highpurityMTS.clone(
247  name = 'mixedTripletStepTrk',
248  preFilterName = 'mixedTripletStepTrkTight',
249  chi2n_par = 0.25,
250  res_par = ( 0.003, 0.001 ),
251  minNumberLayers = 5,
252  maxNumberLostLayers = 0,
253  minNumber3DLayers = 4,
254  max_minMissHitOutOrIn = 1,
255  d0_par1 = ( 0.8, 4.0 ),
256  dz_par1 = ( 0.8, 4.0 ),
257  d0_par2 = ( 0.8, 4.0 ),
258  dz_par2 = ( 0.8, 4.0 )
259  )
260  ) #end of vpset
261  ) #end of clone
262 
263 import RecoTracker.FinalTrackSelectors.trackListMerger_cfi
264 mixedTripletStep = RecoTracker.FinalTrackSelectors.trackListMerger_cfi.trackListMerger.clone(
265  TrackProducers = cms.VInputTag(cms.InputTag('mixedTripletStepTracks'),
266  cms.InputTag('mixedTripletStepTracks')),
267  hasSelector=cms.vint32(1,1),
268  shareFrac=cms.double(0.11),
269  indivShareFrac=cms.vdouble(0.11,0.11),
270  selectedTrackQuals = cms.VInputTag(cms.InputTag("mixedTripletStepSelector","mixedTripletStepVtx"),
271  cms.InputTag("mixedTripletStepSelector","mixedTripletStepTrk")),
272  setsToMerge = cms.VPSet( cms.PSet( tLists=cms.vint32(0,1), pQual=cms.bool(True) )),
273  writeOnlyTrkQuals=cms.bool(True)
274 )
275 
276 
277 MixedTripletStep = cms.Sequence(mixedTripletStepClusters*
278  mixedTripletStepSeedLayersA*
279  mixedTripletStepSeedsA*
280  mixedTripletStepSeedLayersB*
281  mixedTripletStepSeedsB*
282  mixedTripletStepSeeds*
283  mixedTripletStepTrackCandidates*
284  mixedTripletStepTracks*
285  mixedTripletStepSelector*
286  mixedTripletStep)
OppositeMaterialPropagator_cfi
PixelTripletLargeTipGenerator_cfi
CkfTrackCandidates_cfi
MaterialPropagator_cfi
Chi2MeasurementEstimatorESProducer_cfi
TrajectoryFilter_cff
TrajectoryCleanerBySharedHits_cfi
TrackProducer_cfi
GroupedCkfTrajectoryBuilder_cfi
GlobalCombinedSeeds_cfi
GlobalSeedsFromTriplets_cff
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