The exact route across the lake probably isn't a big deal for a canoe, but for any watercraft requiring deeper water and/or moving at greater than hand-paddled speed, it helps to know where the recommended channel is located.
On March 25, 2014 12:39:21 AM CDT, Yves <yve...@gmail.com> wrote: > Dave, you can connect with a straight way across the lake with no tag, > but part of the relation. > Yves > > On 25 mars 2014 01:39:33 UTC+01:00, Dave Swarthout > <daveswarth...@gmail.com> wrote: > >There is a definite need for a way to indicate a route that crosses > an > >open > >body of water like a lake. I came across this issue when mapping a > >"canoe > >route" in Alaska recently. For such a route there are portions that > are > >footways, places where one carries the canoe from one lake to > another, > >these are called portages, and portions that go across the lake. > >Currently > >there is no way to tag the waterway portions but one can create a > >relation > >to handle them as part of a route. > > > >The route is the Swan Lake Canoe Trails: > >http://www.openstreetmap.org/#map=15/60.6847/-150.6384 > > > >In the area shown the footway portions are clearly visible but the > >water > >portion, which divides in Spruce Lake, is not visible. I did not tag > >those > >waterway sections because I could not figure out how to do it short > of > >creating artificial "streams" through the lakes. > > > >Clearly, something needs to be done about this. Also, I am unable to > >search > >for this route in OSM. I'm not sure why that is but it's annoying. > > > >Cheers, > > > >Dave > > > > > >On Tue, Mar 25, 2014 at 5:12 AM, fly <lowfligh...@googlemail.com> > >wrote: > > > >> On 24.03.2014 22:11, Janko Mihelić wrote: > >> > 2014-03-24 16:41 GMT+01:00 fly <lowfligh...@googlemail.com > >> > <mailto:lowfligh...@googlemail.com>>: > >> > > >> > > >> > I would use a type=waterway relation for the canal. > >> > > >> > > >> > Seems good to me. > >> > > >> > > >> > Yes, it won't but for proper routing you need to know the > >waterway > >> signs > >> > and buoys. > >> > > >> > > >> > But even with waterway signs and buoys you need routes. You can't > >tag > >> > maxdrought=* on a buoy. > >> > >> maxdraught is very special for waterways if not only for canals. In > >> general maxheight, -width and waterdepth are the important factors. > >> > >> Right now your route (waterway) is quite long and some parts do not > >have > >> the restrictions at all. That is why I prefer it on the ways. > >> > >> > >> cu fly > >> > >> _______________________________________________ > >> Tagging mailing list > >> Tagging@openstreetmap.org > >> https://lists.openstreetmap.org/listinfo/tagging > >> > > > > > > > >-- > >Dave Swarthout > >Homer, Alaska > >Chiang Mai, Thailand > >Travel Blog at http://dswarthout.blogspot.com > > > > > >------------------------------------------------------------------------ > > > >_______________________________________________ > >Tagging mailing list > >Tagging@openstreetmap.org > >https://lists.openstreetmap.org/listinfo/tagging -- John F. Eldredge -- j...@jfeldredge.com "Darkness cannot drive out darkness; only light can do that. Hate cannot drive out hate; only love can do that." Dr. Martin Luther King, Jr. _______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging
