Restrict the coordinates of a location

[danbjoseph]

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You might find this post relevant to your question:

ODK geofence (v1)

Background "Geo-fencing" is the ability to define (and possibly enforce) a virtual 'fence' or perimeter, based on GPS locations, to determine whether a user is within the fence or outside it. It has come up a few times in the ODK Forum and elsewhere; eg geofencing-to-confirm-location, restrict-users-from-collecting-data-for-a-specific-area-geofencing. And there is even a longstanding feature request from 2010, which was 'solved' by exploiting accuraryThreshold to roughly define a circular 'fenc…