FastElectronMenuSequences.py

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#
#  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
#
 
from TriggerMenuMT.HLT.Egamma.TrigEgammaKeys import getTrigEgammaKeys
 
# menu components   
from TriggerMenuMT.HLT.Config.MenuComponents import MenuSequence, SelectionCA, InViewRecoCA
from AthenaConfiguration.ComponentFactory import CompFactory
from AthenaConfiguration.AccumulatorCache import AccumulatorCache
 
@AccumulatorCache
def fastElectronSequenceGenCfg(flags, name='FastElectron', variant='', is_probe_leg = False):
    """ second step:  tracking....."""
 
    InViewRoIs = "EMFastElectronRoIs"+variant
 
    roiTool = CompFactory.ViewCreatorPreviousROITool()
    reco = InViewRecoCA("EMElectron"+variant, RoITool = roiTool, InViewRoIs = InViewRoIs, RequireParentView = True, isProbe=is_probe_leg)
 
    # Configure the reconstruction algorithm sequence
    from TriggerMenuMT.HLT.Electron.FastElectronRecoSequences import fastElectronRecoSequence
    reco.mergeReco(fastElectronRecoSequence(flags, name, InViewRoIs, variant))
    
    theFastElectronHypo = CompFactory.TrigEgammaFastElectronHypoAlg("TrigEgammaFastElectronHypoAlg"+variant)
    TrigEgammaKeys = getTrigEgammaKeys(flags, variant)
    theFastElectronHypo.Electrons = TrigEgammaKeys.fastElectronContainer
    theFastElectronHypo.RunInView = True
    from TrigEgammaHypo.TrigEgammaFastElectronHypoTool import TrigEgammaFastElectronHypoToolFromDict
 
    selAcc = SelectionCA('FastElectronMenuSequence'+variant,isProbe=is_probe_leg)
    selAcc.mergeReco(reco)
    selAcc.addHypoAlgo(theFastElectronHypo)
 
    return MenuSequence(flags,selAcc,HypoToolGen=TrigEgammaFastElectronHypoToolFromDict)
 
 
def fastElectron_LRTSequenceGenCfg(flags, name='FastElectron', is_probe_leg=False):
    # This is to call fastElectronMenuSequence for the _LRT variant
    return fastElectronSequenceGenCfg(flags, name, is_probe_leg=is_probe_leg, variant='_LRT')