Write.py

Go to the documentation of this file.

 
"""
Create an Event Tag Collection based from the DST file prepared by the
"Prepare.py" options.
"""
from Configurables import Gaudi__Examples__EvtColAlg as EvtColAlg
from Configurables import GaudiPersistency, RndmGenSvc, TagCollectionSvc
from Gaudi.Configuration import *
 
GaudiPersistency()
FileCatalog(Catalogs=["xmlcatalog_file:EvtColsEx.xml"])
 
# Input
esel = EventSelector(PrintFreq=1000)
esel.Input = ["DATAFILE='PFN:EvtColsEx.dst'  SVC='Gaudi::RootEvtSelector' OPT='READ'"]
 
# Output
evtColl = TagCollectionSvc("EvtTupleSvc")
evtColl.Output = [
    "EVTCOLS DATAFILE='PFN:EvtColsEx.tags' OPT='RECREATE' SVC='Gaudi::RootCnvSvc'"
]
 
app = ApplicationMgr()
app.TopAlg = [
    EvtColAlg(
        "Fill",
        # Logical unit for Event Tag Collection
        EvtColLUN="EVTCOLS",
    )
]
app.EvtMax = -1
app.ExtSvc += [RndmGenSvc(), evtColl]