### midPoint

Accepts an event-station pair if the midPoint between them is within the given area. Areas can be any valid area, including BoxArea, and GlobalArea.

### Example

    <midPoint>
      <boxArea>
        <latitudeRange>
          <min>35</min>
          <max>35</max>
        </latitudeRange>
        <longitudeRange>
          <min>-80</min>
          <max>-80</max>
        </longitudeRange>
      </boxArea>
    </midPoint>

### This consists of

<midPoint>

area choice
<boxArea>
<globalArea/>
<polygonFile>
</midPoint>

### 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