Find nearest geographic coordinates

[Ivan Uemlianin]

Hi Frank

Do you want to sort the list by Euclidean distance from X?  If so, could 
you use lists:sort/2?

Ivan


On 25/11/2020 21:38, Frank Muller wrote:
> Hi guys,
>
> I've a list of geographic coordinates:
>
> L = [ {{<<"longitude">>,6.1457}, {<<"latitude">>,46.2022}},
>       {{<<"longitude">>,2.3387}, {<<"latitude">>,48.8582}},
>       ... ]
>
> and a specific coordinate X = {{<<"longitude">>,-73.5848}, 
> {<<"latitude">>,45.4995}}.
>
> Question: how can i find the nearest coordinates to X from L (sorted 
> from the nearest to the farest)?
>
> /Frank

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Ivan A. Uemlianin PhD
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