Re: Find nearest geographic coordinates
Ivan Uemlianin <[email protected]>
| Newsgroups | gmane.comp.lang.erlang.general |
|---|---|
| Message-ID | <[email protected]> |
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
Llaisdy
Ymchwil a Datblygu Technoleg Lleferydd
Speech Technology Research and Development
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festina lente
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