[NTLUG:Discuss] Linux and GPS navigation

[Steve Southwell]

I've written code to do this.  Unfortunately it's in Progress 4gl ( a 
sort of obscure language), but if you want to decipher the code, I can 
send you a copy off-line.

Paul Ingendorf wrote:

>What most sites are currently using is a zip code calculation algorithm that
>approximates the distance between zip codes.  Try a google search for "zip
>code distance calculation"  minus the quotes.  It's a relatively safe way of
>performing the task you are asking about and you should be able to find
>scripts that are free, "as in beer," that will perform this function for
>you.
>
>If distance calculation are a must you can use one of these algorithms to
>return the first 10 or so closest to the origin then using a mapping program
>like mapquest get the actual distances between each of the top ten sources
>to destination.
>
>A few sites out there use this method.
>
>-----Original Message-----
>From: discuss-bounces at ntlug.org [mailto:discuss-bounces at ntlug.org]On
>Behalf Of Bobby Wrenn
>Sent: Sunday, July 18, 2004 9:32 PM
>To: NTLUG Discussion List
>Subject: Re: [NTLUG:Discuss] Linux and GPS navigation
>
>On a similar note. Does anyone know of any map radius software for
>Linux? I need to return nearest service center to a given zip code. And,
>if possible display results on a map.
>
>TIA
>Bobby
>
>
>
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>  
>

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