SimGeneral/MixingModule/python/pixelDigitizer_cfi.py - master - githubmirror/cmssw

SimGeneral/MixingModule/python/pixelDigitizer_cfi.py

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Suchandra

Code updates to use FastSim events as PileUp with FullSim Signal events through the MixingModule interface to be used during the Digitization step in different sub-systems

05 май 2026, 20:35

05 май 2026, 20:35591812c

import FWCore.ParameterSet.Config as cms

from SimGeneral.MixingModule.SiPixelSimParameters_cfi import SiPixelSimBlock

pixelDigitizer = cms.PSet(
    SiPixelSimBlock,
    accumulatorType = cms.string("SiPixelDigitizer"),
    hitsProducer = cms.string('g4SimHits'),
    hitsProducerPU = cms.string('g4SimHits'),    
    makeDigiSimLinks = cms.untracked.bool(True)
)
from Configuration.ProcessModifiers.premix_stage1_cff import premix_stage1
premix_stage1.toModify(pixelDigitizer, makeDigiSimLinks = False)

# ESProducer for SiPixelQuality with "forDigitizer" label
from CalibTracker.SiPixelESProducers.siPixelQualityForDigitizerESProducer_cfi import *

# Customize here instead of SiPixelSimBlock as the latter is imported
# also to DataMixer configuration, and the original version is needed
# there in stage2. Customize before phase2_tracker because this
# customization applies only to phase0/1 pixel.
from Configuration.ProcessModifiers.premix_stage2_cff import premix_stage2
premix_stage2.toModify(pixelDigitizer,
    AddPixelInefficiency = False, # will be added in DataMixer
    KillBadFEDChannels = False, # will be added in DataMixer
    killModules = False # will be added in DataMixer
)

from SimTracker.SiPhase2Digitizer.phase2TrackerDigitizer_cfi import phase2TrackerDigitizer as _phase2TrackerDigitizer, _premixStage1ModifyDict
from Configuration.Eras.Modifier_phase2_tracker_cff import phase2_tracker
phase2_tracker.toReplaceWith(pixelDigitizer, _phase2TrackerDigitizer.clone()) # have to clone here in order to not change the original with further customizations

# Customize here instead of phase2TrackerDigitizer as the latter is
# imported also to DataMixer configuration, and the original version
# is needed there in stage2.
(premix_stage2 & phase2_tracker).toModify(pixelDigitizer, **_premixStage1ModifyDict)
from CalibTracker.SiPixelESProducers.PixelFEDChannelCollectionProducer_cfi import *

# Run-dependent MC
from Configuration.ProcessModifiers.runDependentForPixel_cff import runDependentForPixel
(runDependentForPixel & premix_stage1).toModify(pixelDigitizer, 
         UseReweighting = False,
         applyLateReweighting = False,
         usePixelExtraLiteFormat = False,
         store_SimHitEntryExitPoints = True,
         store_SimHitEntryExitPointsLite = False,
         AdcFullScale = 1023,
         MissCalibrate = False
)
from Configuration.ProcessModifiers.runDependentForPixelVal_cff import runDependentForPixelVal
(runDependentForPixelVal & premix_stage1).toModify(pixelDigitizer, 
         UseReweighting = False,
         applyLateReweighting = False,
         usePixelExtraLiteFormat = False,
         store_SimHitEntryExitPoints = True,
         store_SimHitEntryExitPointsLite = True,
         AdcFullScale = 1023,
         MissCalibrate = False
)
# when FastSim events as PileUP events during mixing
from Configuration.ProcessModifiers.fastSimPU_cff import fastSimPU
fastSimPU.toModify(pixelDigitizer,
                   hitsProducerPU = cms.string('fastSimProducer'))
from Configuration.Eras.Modifier_fastSim_cff import fastSim
fastSim.toModify(pixelDigitizer,
                   hitsProducer = cms.string('fastSimProducer'),
                   hitsProducerPU = cms.string('fastSimProducer'))