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>
Places this can be found
In eventStation there is a choice between all of the following