[ILUG] OT: Open Source Postcode

[Ian Spillane]

Good news: a new interactive map is available for mapping and
generating OpenPostcodes:

http://tinyurl.com/openpostcodegoogle

or, e.g., the Department of Energy, Communications and Natural Resources:

http://tinyurl.com/openpostcodegoogle/?opc=GTY5-3XW-7

It uses very simple Javascript based on the technical description of
the code and some Google API calls demonstrating the simplicity and
ease at which an opensource OpenPostcode could be implemented - even
using free tools and hosting.

This page source is free to use and copy, adapt and develop, according
to the LGPL. Webmasters, the entire page and code is free to copy and
use according to the LGPL. It might be helpful if you include a link
back to the OpenPostcode website, but it's not obligatory.

2011/7/13 Ian Spillane <iantheteacher at gmail.com>:
> Unfortunate this is the least significant digit so it appears in every
> single area of the country.
>
> 2011/7/13 Pádraig Brady <P at draigbrady.com>:
>> On 13/07/11 12:32, Ian Spillane wrote:
>>> A question for the brainboxes:
>>>
>>> A present the location code uses three-and-a-half digits for each of
>>> longitude and latitude. Half a digit of base 28 is actually two base 5
>>> digits, 5*5=25, which wastes 3 numbers and thus reduces potential
>>> accuracy by a third.
>>
>> I wonder instead of dividing both lat and long by 5,
>> could you divide lat into 6, and truncate the highest and lowest
>> values into the 28 char set, as you'd just be losing
>> resolution in the sea then anyway?
>>
>> cheers,
>> Pádraig.
>>
>
>
>
> --
> Ian Spillane
> 085-7263117
>



-- 
Ian Spillane
085-7263117