On Fri, 2014-03-21 at 17:15 -0300, Fernando Trebien wrote: > Brazil has no official system of classification (there is an > "administrative" classification, which the Brazilian community found > useless to determine the way's "importance"), so we've come up with > this general recommendation (which may not be followed closely, in > which case the mapper should add a note explaining why): > http://i.imgur.com/YH8azIA.png > > Visibility is an interesting criteria, do you take it into account > when deciding classification? Do you tag it?
We don't tag is specifically, but it is part of the mental tertiary/unclassified decision process. As hedges are mapped more, maybe that is an additional factor routers will be able to use. Phil (trigpoint) > > On Fri, Mar 21, 2014 at 4:41 PM, Philip Barnes <p...@trigpoint.me.uk> wrote: > > On Fri, 2014-03-21 at 13:29 -0500, Paul Johnson wrote: > > > >> > >> Does anyplace outside North America subjectively tag highway=* or is > >> it formally tied to the official classification in most places, such > >> as it is in the UK? > > > > In the UK, tertiary/unclassified/residential is subjective, other roads > > are tagged according to their official classification. > > > > In terms of routing in the UK, smoothness is not so much of an issue. > > The major factors are width (whether 2 vehicles can pass without slowing > > down), twistiness and visibility (the two go together, we have a lot of > > hedges which reduce forward visibility). > > > > Phil (trigpoint) > > > > > > _______________________________________________ > > Tagging mailing list > > Tagging@openstreetmap.org > > https://lists.openstreetmap.org/listinfo/tagging > > > _______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging
