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 FileMaker Pro Custom Functions

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DistanceList ( BaseLat ; BaseLong ; ListOfLatLongIdentifiers ; Delimiter ; Units ; SortableDistance )

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Hal Gumbert, CampSoftware
http://www.campsoftware.com

Prefixes a Value List containing Latitude, Longitude, and an Identifier with the Distance to the Base Lat, Long

Sample Input:
ValuesSort ( DistanceList ( "28.5413" ; "-81.3733" ; "28.5418|-81.3736|18TKD5YISDJA3FWUOVICTDD¶27.9826|-82.3401|18TKD5YISDJA3FWVYTBRV77¶30.2738|-81.7634|18TKD5YISDJA3FWX8R56X10¶30.1608|-85.6475|18TKD5YISDJA3FWYIOYLYUW¶25.8324|-80.2789|18TKD5YISDJA3FWZSMS10OP¶26.6175|-81.8713|18TKD5YISDJA3FX12KLG2II" ; "|" ; "miles" ; 1 ) ; "asc" ; "text" )
Sample Output:
00000000000000000000.0390254131982271|28.5418|-81.3736|18TKD5YISDJA3FWUOVICTDD
00000000000000000070.3216154385589278|27.9826|-82.3401|18TKD5YISDJA3FWVYTBRV77
00000000000000000121.9027848952389432|30.2738|-81.7634|18TKD5YISDJA3FWX8R56X10
00000000000000000136.2833063513182311|26.6175|-81.8713|18TKD5YISDJA3FX12KLG2II
00000000000000000198.74801761385407|25.8324|-80.2789|18TKD5YISDJA3FWZSMS10OP
00000000000000000280.4610538634018474|30.1608|-85.6475|18TKD5YISDJA3FWYIOYLYUW


 Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed

Description:

DistanceList ( BaseLat ; BaseLong ; ListOfLatLongIdentifiers ; Delimiter ; Units ; SortableDistance )

By Hal Gumbert, CampSoftware.com

BaseLat: The base Latitude to Compare against.
BaseLong: The base Longitude to Compare against.
ListOfLatLongIdentifiers: The list of values containing a Latitude, Longitude, and any identifying text separated by a Delimiter.
Delimiter: The character(s) used to seperate values in the list.
Units: Accepts "radians", "nm", "km" and "miles".
SortableDistance = Accepts 1 or 0. Passing 1 will prefix the integer portion of the distance with zeros so the list values can be sorted with another custom function.

Requires: Distance ( Lat1 ; Lon1 ; Lat2 ; Lon2 ; Units ) from Vaughan Bromfield, Vaughan Bromfield Design available at http://www.briandunning.com/cf/143

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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