|
|
Posted by David Grant on 10/01/65 11:32
Hi Tony,
I would think the first step would be to find a web service or dataset
to convert a zip code to longitude/latitude.
The formula for calculating distances from long/lat is available here:
http://www.colorado.edu/geography/gcraft/warmup/aquifer/html/distance.html
Cheers,
David Grant
Tony Di Croce wrote:
> I'm helping a friend of mine build a matchmaking website, and we have a
> doozy of a problem to solve:
>
> What I need to do is two fold:
>
> #1 Collect whatever geographical information I need from each user to enable
> #2
> #2 Be able to run query's to find people NEAR (geographically) another
> person.
>
> Does anyone know of any commercial or free implementations of this? Is it
> primarily a database problem or is their some way (computationally) to
> compute the probable proximity of two zip codes?
>
> Hopefully someone responds to this with a Pear package that does exactly
> what I need! :) If that can't happen, then I'd appreciate any options you
> can think of.
>
> td
>
> --
> Free Linux Technical Articles
> http://www.linuxtecharticles.com
>
Navigation:
[Reply to this message]
|