On Oct 31, 2012 6:14 PM, "Brian Quinion" <[email protected]> wrote: > > On 31 October 2012 16:59, Kevin Peat <[email protected]> wrote: >> >> On 31 October 2012 14:50, Tom Chance <[email protected]> wrote: >> > I think this is quite a confusing approach. Post code searches often end up >> > returning the wrong street that is also near the centroid, houses that don't >> > belong to that post code that happen to be nearby, and also weird objects >> > like trees and car club parking bays. >> >> +1 on that. When I search for my own postcode, as well as the >> buildings actually tagged with it the pub car park next door is also >> returned and a nearby unclassified road neither of which have a >> postcode set. I think in a postcode search it would be better not to >> return things that could never have a postcode. >> > > Making this sort of distinction (what > can have a postcode) > is incredibly difficult - for instance > NCP carparks do have a postcode.
The easiest solution is to let mappers explicitly tag postcodes, and not infer they are associated with objects based on proximity to a centroid. Tom
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