Postcode map for google maps

gtechrob

Free Member
Dec 31, 2010
158
6
We need to publish a google layer map of territories based on the first three digits of UK postcodes.

Have so far drawn a big fat blank of any software/third party apps that can do this. 2 digit yes but not 3 it seems.

Has anyone had success in doing this? We currently have the map in Microsoft Mappoint.
 
T

Tradepage.co

Google Earth is a great platform to design this type of file (see polygon mapping tool). However, as it's quite a popular boundary based requirement, someone may have mapped out your intended postal areas already in an existing .KMZ file online. Probably worth double checking before having a go yourself.
 
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wearewattle

Free Member
Jun 1, 2014
149
42
49
Bristol
This is a bit of a task :)

Polygon mapping might be one way but the challenge is the more lines you have the more the performance is hit, mapping out geographic regions will require a lot of lines, if you then factor in the whole of the UK it will just grind to a halt. The best approach is to use custom tiles, displaying a tile over the top of the map is not the issue, the issue is that a postcode does not actually contain the latitude and longitude details of bounding boxes (and the fact that a postal code area is not actually set by any common calculation like a clear radius, it is actually a defined area...with no logic).

A postcode is a static point on a map, that represents an area but does not contain the details required to map the area. My suggestion would be to create a bespoke database to store the coordinates against the postal data you have and then use this to map custom titles over the map, but it is a chunk of work I am afraid.

I have done a LOT of work with Google maps, everything from real time vehicle tracking to address database integration work (with geo coding etc).
 
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gtechrob

Free Member
Dec 31, 2010
158
6
this is the kind of think we are looking for in terms of mapping out boundries but with a neater design
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IanG

Free Member
May 8, 2011
962
200
Speccing it as 3 digits is dangerous

E1 1 - area, district and sector
NW1 where you wanted NW1 - area and district
NW1 where you've lost accuracy because the original code was NW10 - area and incorrect district

Find my nearest functionality is fairly easy if you want crow flies - the quality of which will depend on where your centres are, whether you're near a coast etc.

I can do that but I'd need to know what the rest of the system comprises before quoting it.
 
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