Re: [android-developers] Gps sorting question

Ok, so if I use plain simple trigonometry there is some inaccuracy. I
can live with that.

Thank you Frank

Frank Weiss wrote:
> It's that simple unless you want to account for latitude compression or
> obstacles. Latitude compression is usually negligible if the latitude
> bounds are small (<0.2 degrees), otherwise use great circle computation,
> which involves more calculation. Most nearness calculations are done "as
> the bird flies", but such calculations are not true if the path is
> limited to roadways or land, such as for cars, walking, or crossing
> rivers via bridges.
>
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