In This Package:

Example.py

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#!/usr/bin/env python

'''
usage example:

  nuwa.py -n -1 -m"SmartFilter.Example" -o filtered.root all.root

'''

def configure(argv = []):

    from SmartFilter.SmartFilterConf import SmartFilterAlg
    # Make a new filter and give it a name
    exampleFilter = SmartFilterAlg("exampleFilter")
    # The first filter should clean all output data

    #   (Subsequent filters should have this set to 'False')
    exampleFilter.ClearAll = True

    # Specify the data you wish to filter
    exampleFilter.KeepLocation = "/Event/Rec/AdSimple"

    # Optionally specify a prescale fraction between 0 and 1
    # exampleFilter.Prescale = 0.1

    # Specify if you wish to keep 'Parent' headers of this data.
    # The inputHeaders will be recursively searched for data to keep.
    #
    # Keep parent headers at any path
    #  exampleFilter.KeepAllParents = True
    #
    # Keep only parents at specific paths
    #  exampleFilter.KeepParents = ["/Event/Readout/ReadoutHeader",
    #                               "/Event/CalibReadout/CalibReadoutHeader"]
    #
    # Apply an additional prescale to parent headers
    #  exampleFilter.ParentPrescale = 0.01

    # Specify if you wish to keep 'Child' headers of this data.  The
    # filter will attempt to associate and keep children of the
    # filtered data.
    # 
    # Keep all child headers at any path
    #  exampleFilter.KeepAllChildren = True
    #
    # Keep only parents at specific paths
    #  exampleFilter.KeepChildren = ["/Event/Tags/MyTag",
    #                                "/Event/UserData/MyData"]
    #
    # Apply an additional prescale to parent headers
    #  exampleFilter.ChildrenPrescale = 0.01
    #
    # Keep a history of recently kept headers.  This is used to help
    # associate children.  If the children move far away, you may
    # need to increase the search range
    #  exampleFilter.MaxKeptHistory = 5

    from Gaudi.Configuration import ApplicationMgr
    app = ApplicationMgr()
    app.TopAlg.append(exampleFilter)
    
def run(app):
    pass

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