Eric, Kyle, thanks for your comments,
The working model that I am after only requires approximate location
and will return several possible choices based on location. Actually
the data that I am working with at the moment seems to be giving pretty
good results and as a supplemental solution for non-GPS enabled phones
it will probably be close to doing what I am after.
At the moment I think an expansion of the application will need to work
with purchased data from one of the big mapping content providers where
address based solutions and vector data can begin to be implemented.
best,
mike
On Dec 2, 2005, at 2:13 PM, Kyle Barrow wrote:
> Japanese postal codes represent a postal address block with most
> mapping systems (Alps, etc.) placing you at the center of the block.
> The center can be thrown off when the block includes a wide river or
> body of water along its border.
>
> Kyle
>
> On Nov 29, 2005, at 13:34, Mr. Eric Hildum wrote:
>
>> Your first step will be to check if Japanese postal codes really do
>> correspond to geographic regions. Even in the US, they do not
>> actually indicate geographic regions, thus any application that
>> depends on them will definitely have problems. While you have success
>> with the first three digits, the next few are assigned in a number of
>> different ways.
>> (In the US, the zip code actually designate sorting centers, not
>> locations. The codes assigned to a location may not correspond to the
>> geographically closest center, and many codes have no meaningful
>> location at all.)
>>
>> Eric Hildum
>> eric.hildum@mobileplay.com
>
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Received on Fri Dec 2 08:02:38 2005