DirectionFrom ( Lat1 ; Lon1 ; Lat2 ; Lon2 )
Calculates the approximate direction in cardinal (compass) points from one location on earth to another.
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Function definition: (Copy & paste into FileMaker's Edit Custom Function window)
I use this function along side Vaughan Bromfield's "DistanceBetweenPoints" custom function http://www.briandunning.com/cf/143 to calculate the distance and direction between two locations.
Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.