[Tagging] Tagging u-turn restriction with continuous painted line

Eckhart Wörner ewoerner at kde.org
Tue Jul 3 15:47:15 BST 2012


Hi Markus,

Am Dienstag, 3. Juli 2012, 15:38:57 schrieb Markus Lindholm:
> Physical separation doesn't necessarily mean that it's impossible to
> cross, it might be no more than a 20cm high curb that an emergency
> vehicle or a SUV easily could cross.
> 
> I still think it's more straight forward to map as two separate ways
> than to add tags to provide a logically consistent view about how to
> drive from A to B in a legal way. Bank robbers and emergency vehicle
> drivers make anyway their own decision on the spot.
> 
> And about pedestrians, I add sidewalks around such street and tag the
> street with foot=no.

There is a reason why this is a bad idea: routing along linear features has to work under the assumption that routes are just paths in the data. By splitting ways, you're removing quite a lot of possible routes; e.g. try pedestrian routing to the house opposite to yours.

Eckhart



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