Brian Dunning's FileMaker Custom Functions

DirectionFrom ( Lat1 ; Lon1 ; Lat2 ; Lon2 )

Calculates the approximate direction in cardinal (compass) points from one location on earth to another.

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Chris Pye   Chris Pye
Mactec
http://mactec.com.au

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  Sample input:
DirectionFrom ( -27.603479 ; 152.823141 ; -28.088477 ; 153.451921 )
  Sample output:
SE

  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.

 

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Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.

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