Have you looked at PostGIS? It's an open component which is built on
top of PostgreSQL for performing geographic queries such as distances
between two points. You can perform the queries through DBD:Pg.
http://www.postgis.org/
I believe there is also a subgroup working on a geocoder which wil
Formulas for great circle distances aren't hard to derive using just
basic trig. No calculus required!
That being said, the Math::Trig package comes standard with Perl
distributions and has a function called great_circle_distance(). Try
'man Math::Trig'. If you search PDL::Index on CPAN, I beli
On 2/26/06, Scott Webster Wood <[EMAIL PROTECTED]> wrote:
> OK, I think I asked something along these lines before, but I am actually
> starting to code so I wanted to revise the question(s) a bit. I am looking
> for
> a good way to keep an up-to-date database (or perhaps use an XML-RPC/SOAP
> b