trackingTruthProducer_cfi.py

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import FWCore.ParameterSet.Config as cms

trackingParticles = cms.PSet(
    accumulatorType = cms.string('TrackingTruthAccumulator'),
    createUnmergedCollection = cms.bool(True),
    createMergedBremsstrahlung = cms.bool(True),
    createInitialVertexCollection = cms.bool(False),
    alwaysAddAncestors = cms.bool(True),
    maximumPreviousBunchCrossing = cms.uint32(9999),
    maximumSubsequentBunchCrossing = cms.uint32(9999),
    simHitCollections = cms.PSet(
        muon = cms.VInputTag( cms.InputTag('g4SimHits','MuonDTHits'),
            cms.InputTag('g4SimHits','MuonCSCHits'),
            cms.InputTag('g4SimHits','MuonRPCHits') ),
        tracker = cms.VInputTag( cms.InputTag('g4SimHits','TrackerHitsTIBLowTof'),
            cms.InputTag('g4SimHits','TrackerHitsTIBHighTof'),
            cms.InputTag('g4SimHits','TrackerHitsTIDLowTof'),
            cms.InputTag('g4SimHits','TrackerHitsTIDHighTof'),
            cms.InputTag('g4SimHits','TrackerHitsTOBLowTof'),
            cms.InputTag('g4SimHits','TrackerHitsTOBHighTof'),
            cms.InputTag('g4SimHits','TrackerHitsTECLowTof'),
            cms.InputTag('g4SimHits','TrackerHitsTECHighTof') ),
        pixel = cms.VInputTag(cms.InputTag( 'g4SimHits','TrackerHitsPixelBarrelLowTof'),
            cms.InputTag('g4SimHits','TrackerHitsPixelBarrelHighTof'),
            cms.InputTag('g4SimHits','TrackerHitsPixelEndcapLowTof'),
            cms.InputTag('g4SimHits','TrackerHitsPixelEndcapHighTof') )
    ),
    simTrackCollection = cms.InputTag('g4SimHits'),
    simVertexCollection = cms.InputTag('g4SimHits'),
    genParticleCollection = cms.InputTag('genParticles'),
    removeDeadModules = cms.bool(False), # currently not implemented
    volumeRadius = cms.double(120.0),
    volumeZ = cms.double(300.0),
    vertexDistanceCut = cms.double(0.003),
    ignoreTracksOutsideVolume = cms.bool(False),
    allowDifferentSimHitProcesses = cms.bool(False), # should be True for FastSim, False for FullSim
    HepMCProductLabel = cms.InputTag('generatorSmeared')
)

from Configuration.StandardSequences.Eras import eras
if eras.fastSim.isChosen():
    # for unknown reasons, fastsim needs this flag on
    trackingParticles.allowDifferentSimHitProcesses = True
    # fastsim labels for simhits, simtracks, simvertices
    trackingParticles.simHitCollections = cms.PSet(
        muon = cms.VInputTag( cms.InputTag('MuonSimHits','MuonDTHits'),
                              cms.InputTag('MuonSimHits','MuonCSCHits'),
                              cms.InputTag('MuonSimHits','MuonRPCHits') ),
        trackerAndPixel = cms.VInputTag( cms.InputTag('famosSimHits','TrackerHits') )
        )
    trackingParticles.simTrackCollection = cms.InputTag('famosSimHits')
    trackingParticles.simVertexCollection = cms.InputTag('famosSimHits')