### externalEventStationSubsetter

Works on the combination of an event and station. Existing subsetters check on things like the station's distance from the event and things like that.

The jython class defined in class must implement EventStationSubsetter like this example implementation.

For more information on externals, see the externals documentation

### Example

    <externalEventStationSubsetter>
        <classname>edu.somewhere.seis.sodExt.subsetter.eventStation.MyEventStationSubsetter</classname>
    </externalEventStationSubsetter>

### This consists of

<externalEventStationSubsetter>

<classname>Any text</classname>
</externalEventStationSubsetter>

### Places this can be found

In eventStation there is a choice between all of the following

- distanceRange
- printlineEventStation
- azimuthRange
- backAzimuthRange
- linearDistanceMagnitudeRange
- eventStationAND
- eventStationOR
- eventStationNOT
- midPoint
- removeStationDuplicate
- phaseExists
- phaseWithoutInterference
- eventStationScript
- externalEventStationSubsetter