On Sat, 14 Dec 2019 at 22:27, Martin Koppenhoefer <dieterdre...@gmail.com> wrote:
Looking at the individual islands, it is kind of problematic that the > linear coastline and the area place=island are not distinguishable: you > can’t tell whether that’s the name of the coastline or the island or both, > e.g. here > https://www.openstreetmap.org/way/55553932#map=8/-3.222/144.098 > You could go with the one object/one way method. Draw an area for the place=island. On top of that draw a closed way for the coastline. It's extra work, and a bit tedious, but not too bad. However, the problem with that is when it becomes necessary to alter one object but not the other (such as adding tags to make the island a nature reserve) as iD makes that harder than it need be (I have no idea how josm handles it as I find it a worse fit to my way of thinking than iD). Unless I've missed something (always possible) iD has no way of selecting one of two or more coincident objects: you get whichever one it decides to give you. If either of the objects has one node that isn't shared with the other, then you can hunt around for a line segment that gives you the object you want. If not, you have to disconnect a node, move it a little way, so you have line segments that aren't shared (you may have to move more than one node if there are more than two object, it depends how lucky you are), make your changes, then move the node(s) back. Actually, it's also a problem with objects that aren't entirely coincident, if they're large, such as forest bounding a heath.. You may have to move the map a long way to find where they diverge so that you can select one rather than the other. What is obviously needed in iD is something like assigning control-click to cycle through the possible coincident objects. I suggested as much many months ago, but it was ignored. And that was before I seemed to have entered iD's general "ignore these people" list for disagreeing with them about something. The above is somewhat off-topic here, especially as iD has effectively added this mailing list to its "ignore these people" list, but editor UIs influence tagging decisions by mappers. It may be desirable to use two objects to handle islands but if editors make it a pain then it will rarely happen. -- Paul
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