sent from a phone
> On 17. Dec 2019, at 01:35, Kathleen Lu <kathleen...@mapbox.com> wrote: > > >> >> To create an accurate postcode polygon from point features you will need a >> lot of them, so probably already a handful of them would be considered >> substantial. > > This logic seems backwards. Since it would require a lot of point features > in order to recreate the polygon (and thus something that looks similar to > the original OSM database), it should require a *lot* of points to be > considered substantial. it _took_ a lot of address points to create the aggregate postcode polygon. The Germans did not survey the polygon, they surveyed addresses Cheers Martin
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