Mar 13, 2019, 12:53 PM by s...@smz.it: > On 2019-03-13 12:15, Tom Pfeifer wrote: > >> I think you misunderstand. OSM is based on locally sourced, >> handcrafted data. That creates the high quality. >> > > That's totally inaccurate. > > > The reality is that OSM is based on imported data, augmented by locally > sourced information (> of > sometimes > questionable quality> ). > > > Sergio > > [citation needed] It may be true in some rare regions, in many cases real mapping requires deletion of substandard imports dumped into OSM (see TIGER mess in USA, low quality landcover in Slovakia making mapping a horrible experience). Describing OSM as "imported data, augmented by" is as far as I known complete misrepresenting the situation.
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