[nycphp-talk] Hello / Geo coords
Daniel Convissor
danielc at analysisandsolutions.com
Thu Nov 20 22:39:59 EST 2003
Hey Folks:
On Thu, Nov 20, 2003 at 03:33:34PM -0500, Hans Zaunere wrote:
>
> Dealing with lat/long is fairly straightforward... just a series of
> mathematical equations and you can generate distances.
I think his main question was where to get the geocoded data.
> Also, there are loads of zipcode calculation
> libs out there, which work on basically the same principal... actually,
> just using zipcodes might be easier :)
Ding! That reminds me, there are some vendors/libraries out there where
you can obtain tables that map zip codes centroids to lat/long data.
I even have a table of zipcode, state, postoffice, latitude, longitude. I
don't feel like looking at my notes as to the source, but if you want it,
you can have it.
Enjoy,
--Dan
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