http://www.mapds.com.au/solutions_locators.shtml

----- Original Message ----- 
From: "Robin Hilliard" <[EMAIL PROTECTED]>
To: <cfaussie@googlegroups.com>
Sent: Wednesday, February 22, 2006 10:39 PM
Subject: [cfaussie] Re: Postcode search


>
> Hi Kay,
>
> Starting with the basics the raw data you need is the lat/lon of the
> dealers and a database of "postcode centroids" (e.g. the Gazetteer of
> Australia, product code 06 from Geoscience Australia, p15 of
> catalogue: http://www.ga.gov.au/servlet/BigObjFileManager?
> bigobjid=GA7015 - internet use license is $1620)  Then you look up
> the centroid lat/lon for your postcode/suburb combination in the
> gazetteer and write something like:
>
> SELECT TOP 10
> FROM dealers
> ORDER BY (centroidlat - dealers.lat)^2 + (centroidlon - dealers.lon)^2
>
> Or whatever the geospatial index equivalent is in your database (most
> dbs seem to have these add ons these days). Note this sorts on the
> square of the distance which is faster - no need to take square root
> as you just need the order.
>
> This gets you the ordered list, you could then hook them into the
> whereis directions API when they selected a dealer.  If you want to
> draw maps like the sample site you gave you might want to talk to
> Kirk Mower at ESRI and see what he has.
>
> Cheers,
> Robin
>
>
> ______________
>
> Robin Hilliard
> Director - RocketBoots Pty Ltd
> Professional Services for Macromedia Technologies
> http://www.rocketboots.com.au
>
> For schedule/availability call Pamela Higgins:
> w    +61 7 5451 0362
> m    +61 419 677 151
> e    [EMAIL PROTECTED]
>
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> e    [EMAIL PROTECTED]
>
>  *** Webdu, Webdu, We want you at a Webdu ***
>
>
> On 22/02/2006, at 5:48 PM, Kay Smoljak wrote:
>
>>
>> Heyas,
>>
>> Does anyone know of a postcode search service like:
>> http://tyrepower.business.com.au/profileimages/37176.htm
>> but not run by business.com.au?
>>
>> Cheers!
>>
>> --
>> Kay Smoljak
>> http://kay.zombiecoder.com/
>>
>
>
>
>
>
>
> 


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