tedd wrote:
At 5:37 PM +0100 9/1/08, Colin Guthrie wrote:
Tom Chubb wrote:
That's all way above my head, but I think I'll be able to understand it
after a strong coffee!
I should point out that this is really just trig and is only an
approximate distance as the crow flies. Not even sure if it takes the
curvature of the earth into consideration, but it's probably "good
enough" for most things.
Oh, I forgot to add -- I use it for this:
http://php1.net/b/zipcode/
This plugs into a zip code dB that has the center of the zip code in
lats and longs.
Cheers,
tedd
I've got code to cal all of this it's rather simple actually - I'll fire
it through when i get back from work.
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