2014-05-15 11:14 GMT+02:00 John Willis <jo...@mac.com>: > I have mapped some complicated intersections using links to represent turn > lanes and other options in very large intersections. The links are > connected exactly where they would logically connect one road to the other > for each direction. > > Recently, I have been using Apple's turn by turn directions here in Japan > (love it), and they seem to represent complicated intersections in a > similar manner. > > Is there a philosophical or practical downside to representing a non- > motorway in this manner? I am insure of how this effects the validity of > the data, but for the current renderer, there seems to be no real visual > issue, besides the arrows. >
it is clearly against the conventions to use the tag highway=* for lanes, it is a tag for carriageways. If you want to map lanes you should use another tag. I agree that explicit ways to represent lanes can have some benefits, for example are they much easier to understand and maintain in complex situations then the parametric approach. cheers, Martin
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