OverlayConfigFlags.py

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"""Construct Overlay configuration flags
 
Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
"""
 
from AthenaConfiguration.AthConfigFlags import AthConfigFlags
 
 
def createOverlayConfigFlags():
    """Return an AthConfigFlags object with required flags"""
    flags = AthConfigFlags()
    # Data overlay flag
    flags.addFlag("Overlay.DataOverlay", False)
    # Overlay skip secondary events
    flags.addFlag("Overlay.SkipSecondaryEvents", -1)
    # Overlay flag when reading from ByteStream
    flags.addFlag("Overlay.ByteStream", False)
    # Overlay background StoreGate key prefix
    flags.addFlag("Overlay.BkgPrefix", "Bkg_")
    # Overlay signal StoreGate key prefix
    flags.addFlag("Overlay.SigPrefix", "Sig_")
    # Overlay extra input dependencies
    flags.addFlag("Overlay.ExtraInputs", [("McEventCollection", "TruthEvent")])
    # track overlay flag
    flags.addFlag("Overlay.doTrackOverlay", False)
    return flags