[geeks] City & Province -> Lat/Long?

geeks at sunhelp.org geeks at sunhelp.org
Fri Jun 7 07:43:26 CDT 2002


It does work. You just need granular data. Our database for just Australia
is 150 gig, and we skip granularity in shallow population areas (no need for
it).

James Fogg, Network Engineer
Vicinity Corporation - New Hampshire
(603) 442-1751

~ -----Original Message-----
~ From: David Cantrell [mailto:david at cantrell.org.uk]
~ Sent: Friday, June 07, 2002 5:51 AM
~ To: geeks at sunhelp.org
~ Subject: Re: [geeks] City & Province -> Lat/Long?
~ 
~ 
~ On Thu, Jun 06, 2002 at 11:02:16AM -0600, Dave Kimmel wrote:
~ > So, does anyone know of anything that I can feed a city, 
~ province, and
~ > country to and get a lat/long pair back?
~ 
~ Won't work.  Consider that some countries are tall and thin 
~ (eg Italy),
~ others like Russia are short and fat, whilst others are 
~ square, like France.
~ Then consider that really small countries can border much 
~ larger countries,
~ such as Andorra bordering Spain and France.  A single co-ordinate pair
~ for each country will be silly, as something like a sixth of 
~ Spain is closer
~ to the centre of Andorra than to the centre of Spain, and 
~ that a circle
~ centred on Rome and big enough to cover all of Italy will 
~ also cover one
~ entire French department (Corsica), San Marino, Monaco, 
~ Vatican, possibly
~ Malta, and parts of Switzerland, Slovenia, Albania, 
~ Montenegro, etc.  And
~ a circle big enough to contain Russia will also cover - well, 
~ all of Asia.
~ 
~ -- 
~ David Cantrell | david at cantrell.org.uk | 
~ http://www.cantrell.org.uk/david
~ 
~    it's amazing that your parents can be so kind and
~    thoughtful and produce ... well ... you
~              -- Greg McCarroll, speaking to me on IRC
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