Re: [Talk-GB] Postcodes

On 09/11/2018 19:49, Chris Hill wrote: I maintain a GB postcode overlay, based on the Codepoint Open datasets. This was last updated using the August 2018 data. I expect another update shortly. You can see postcodes on a map I provide or use the overlay tiles in your favourite editor. More

Re: [Talk-GB] Postcodes

On 09/11/2018 09:38, Tom Hughes wrote: On 09/11/2018 09:09, Phoenix830 wrote: I want to add postcodes but I am aware of issues with this being copyrighted material. I maintain a GB postcode overlay, based on the Codepoint Open datasets. This was last updated using the August 2018 data. I

Re: [Talk-GB] Postcodes

On 09/11/18 16:27, Will Phillips wrote: Sources such as Companies House don't validate their addresses, so this total will certainly include some proportion that are incorrect. Most sources that do validate ask the user for the postcode an then to select the address from the valid ones on the

Re: [Talk-GB] Postcodes

On Fri, 9 Nov 2018 at 17:08, Adam Snape wrote: > My conclusion from this is that we can safely map postcodes to the building > where their centroids are placed, perhaps avoiding doing so (or adding > FIXMEs) on brand new developments. There is one gotcha to that, which is that PO box

Re: [Talk-GB] Postcodes

Hi To clarify the question I was asking earlier, this is what the OS say: "Code-Point Open is created by taking the average of the coordinates of all the individual addresses in a postcode (provided we have any of sufficient quality), then snapping to the nearest of those addresses. Code-Point

Re: [Talk-GB] Postcodes

On 09/11/2018 14:44, SK53 wrote: The available sets of open data which can be used to resolve postcodes are: Food Hygiene (the best, easiest to resolve, coverage of the whole UK - even Rutland); Companies House Open Data (surprisingly useful even in areas of social housing); the National

Re: [Talk-GB] Postcodes

I'm pretty sure that the "centroid" is allocated to the nearest delivery point in the postcode which places it over a building. See my (now rather) old blog post from 2013, and the note by Jenni Tennison. A caveat is,

Re: [Talk-GB] Postcodes

Hi, I'm not on about extrapolating postcodes for other buildings on a street, but we should be able to map the postcode of building on which the centroid is placed, shouldn't we? Zooming in should allow us to see which building a centroid is on. Kind regards, Adam On Fri, 9 Nov 2018 at 13:44,

Re: [Talk-GB] Postcodes

Hi, I ask because the 'centroids' do not appear to be centroids in a pure mathematical sense, they always appear to be placed on a building, never in open space. Now, if this were merely been done by attributing the centroid to the nearest building regardless of whether it actually belongs to the

Re: [Talk-GB] Postcodes

On Fri, 2018-11-09 at 13:26 +, David Woolley wrote: > If centroid has the plain (mathematical) meaning of the word, it > will > only fall exactly on the building centre if there is only one > building > in the postcode area. > > In practice the building nearest the centroid might have its

Re: [Talk-GB] Postcodes

Hi, I agree with not mapping the centroids but... Is it the case that the centroids are always placed on a building which falls under that postcode? If so, wouldn't it be okay to tag the building with the appropriate postcode? Another idea: Given that postcodes (with few exceptrions) apply to

Re: [Talk-GB] Postcodes

On 09/11/2018 11:44, David Woolley wrote: On 09/11/18 11:34, David Woolley wrote: if you are only dealing with centroids, I think many have been mapped already, indicates that at least 2500 have been mapped. Yes, but it's a

Re: [Talk-GB] Postcodes

Op vr 9 nov. 2018 om 10:41 schreef Paul Berry : > > Would the etiquette here be to tag the objects with source=local knowledge if > you happen to know the postcode without looking it up (or it's on signage, > etc)? Hi - two slightly different things in your question there - the convention is,

Re: [Talk-GB] Postcodes

On 09/11/18 11:34, David Woolley wrote: if you are only dealing with centroids, I think many have been mapped already, indicates that at least 2500 have been mapped. ___ Talk-GB

Re: [Talk-GB] Postcodes

On 09/11/18 09:09, Phoenix830 wrote: They have confirmed that this data is released under the Open Government Licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/2/ . There is a gotcha in the OGL regarding restricted upstream sources, so OGL is probably not

Re: [Talk-GB] Postcodes

Would the etiquette here be to tag the objects with *source=local knowledge* if you happen to know the postcode without looking it up (or it's on signage, etc)? Regards, *Paul* On Fri, 9 Nov 2018 at 09:38, Tom Hughes wrote: > On 09/11/2018 09:09, Phoenix830 wrote: > > > I want to add postcodes

Re: [Talk-GB] Postcodes

On 09/11/2018 09:09, Phoenix830 wrote: I want to add postcodes but I am aware of issues with this being copyrighted material. Add them to what exactly? I have come across https://postcodes.io which states it is from open sources. I have contacted them here

[Talk-GB] Postcodes

Hello I have started added properties in my local area from my own knowledge. Either gathered from my own residing or from friends and from lots of walks. I want to add postcodes but I am aware of issues with this being copyrighted material. I have come across https://postcodes.io which states