22 May 2019, 12:06 by f...@zz.de: > On Wed, May 22, 2019 at 09:13:14AM +0000, marc marc wrote: > >> Le 22.05.19 à 09:43, Florian Lohoff a écrit : >> >> Can you give example of residential building with fully mapped roads, >> >> footways and obstacles where well written router will fail? >> > >> > - Baumstraße 43a, Gütersloh, Germany >> >> you mean https://www.openstreetmap.org/way/273023376 ? >> it's a good example of missing datas. >> no entrance, no way between the entrance and the public network. >> please, there should be an example of a target where the current schema >> are not enough, and not an example where the lack of data produce >> a bad routing >> >> right now I feel that the relation type=navaids should be called >> type=missingway >> > > Again a footway between the house and a road will NOT help for > car navigation because for cars a footway is NOT a routable > part of the graph. > Car navigation may use footway data to select best dropoff point. In exactly the same way as you proposed with navaid relation, but without adding subjective data.
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