ExtCollRead.py

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from Gaudi.Configuration import *
from Configurables import (SequencerTimerTool, GaudiPersistency, ReadAlg)
 
# Basic configuration for Gaudi persistency
GaudiPersistency()
 
FileCatalog(Catalogs=["xmlcatalog_file:ROOTIO.xml"])
 
# Input
esel = EventSelector(PrintFreq=100)
esel.Input = [  # new
    "COLLECTION='Fill/MyCOL1' DATAFILE='PFN:ROOT_IO.etags' "
    "SVC='Gaudi::RootCnvSvc' SEL='(Ntrack>9 && Ntrack<20 && Energy<180)' "
    "FUN='Gaudi::Examples::EvtExtCollectionSelector'",
    # old
    "COLLECTION='Dir1/Dir2/Dir3/Collection' DATAFILE='PFN:ROOT_IO.tags' "
    "SVC='Gaudi::RootCnvSvc' SEL='(Ntrack>15)' "
    "FUN='Gaudi::Examples::EvtCollectionSelector'"
]
evtColl = TagCollectionSvc("EvtTupleSvc")
 
# Application
app = ApplicationMgr(
    TopAlg=[ReadAlg()], EvtMax=-1, HistogramPersistency="NONE")
app.ExtSvc.append(evtColl)
 
# Verbosity
# SequencerTimerTool(OutputLevel=WARNING)