[Talk-GB] Postcode finder based on OSM data

[Derick Rethans]

On Thu, 17 Mar 2011, Matt Williams wrote:

> On 17 March 2011 13:17, Ben Pollinger <benpollinger+osm at gmail.com> wrote:
> > On 16 March 2011 19:51, Matt Williams <lists at milliams.com> wrote:
> >> For the last week I've been working on a sort of 'replacement' for the
> >> Royal Mail's postcode/address finder (you know, the one with the ~5
> >> queries a day limit without an account) [1] but based entirely on data
> >> in the OSM database. You can find my site at [2].
> >
> > Thanks for doing this, a very useful development.
> >
> > I tried a few UK streets I had tagged with postcodes and it didn't
> > work, but I guess that is because they use
> > http://wiki.openstreetmap.org/wiki/Postal_code
> >
> > Could this tag be supported too? It seems quite widely used
> > http://taginfo.openstreetmap.de/keys/?key=postal_code
> >
> > TagInfo says 48 306 values altogether for postal_code, versus 60 941
> > for addr:postcode.
> 
> It doesn't currently parse any postcode tag on highway=* roads since
> strictly it's not the roads themselves that have postcodes, but the
> houses themselves. I didn't want to encourage this too much I guess.
> It is however a shame that your data isn't showing up; maybe I'll
> reconsider my position.

I actually think that the tags should be on the properties as well and 
not on the ways.

cheers,
Derick