2009/10/4 Ævar Arnfjörð Bjarmason <[email protected]>: > On Sun, Oct 4, 2009 at 8:07 AM, Robert Helvie <[email protected]> wrote: >> I have been correcting some of the coastline of South Korea (NK border south >> through to Busan provisionally finished) using the Yahoo imagery (yes, I >> know it is old and not always perfect, but it is a darnsite better than what >> was there). >> >> My question is ... What is the common practice for when rivers meet the >> ocean? Here I am talking about the actual way of the river. Not the >> "riverbank" ways. Should the river way run out and butt against the >> coastline with a node? Cross the coastline and run out into the ocean? ... >> Something else?? >> >> Additionally, coastline segments often (and correctly in my view) run "up >> river" of wider rivers. How far up river is a judgment call for which I am >> not looking for an answer right now. But I am wondering about the river way >> running out. If the "coastline" runs up river, should the river way end at >> or just past that coast line or should it run out between the banks into >> deeper water? >> >> I couldn't seem to find anything on the wiki. >> >> Just looking for a consenses or perhaps some examples in practice. >> Thanks. If you do have an example, send a link, please. > > I draw a line between the two points where the riverbanks meet the > ocean on their far sides. That's my coastline: > > Riverbank: http://www.openstreetmap.org/browse/way/28101869 > Coastline: http://www.openstreetmap.org/browse/way/28101860 > > I think that's a sensible way to do it. >
Strictly speaking, I think its to do with Tide. If the Bank is effected by Tide its a Coast, If its not its a River Bank. But I don't suspect this really makes that much sence in every case and since the coast and river banks are usually broken in to short segments anyway. Its a judgment call. Hence if its a Tidal River bank in needs to be marked as such, But Coasts always have tides, Lakes are different again.... Peter. _______________________________________________ newbies mailing list [email protected] http://lists.openstreetmap.org/listinfo/newbies
