[OSM-legal-talk] use OSM data to select proprietary data

[Kathleen Lu]

it will contain a lot of postcode information from the original
> OpenStreetMap database, in adapted/translated form.


This doesn't seem correct to me. In the final set, each point will only
tell you yes/no whether it was in a particular postcode. That's not very
much info at all.

>
> 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.
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