Thaks! You make it look so easy... I might take this up for my area. Op ma 22 okt. 2018 om 18:36 schreef Adam Franco <adamfra...@gmail.com>:
> Hi Dave, all, > > Based on this discussion I just recorded this short tutorial > <https://youtu.be/x7SPb0JtheA> of how I use JOSM and its Relation Toolbox > plugin to to add adjoining land-cover areas as multipolygons with shared > boundary ways to reduce duplication and overlapping ways. > > The area I'm editing, is replete with examples of this type of mapping: > https://www.openstreetmap.org/#map=14/44.0199/-73.1530 > > The tools used are: > * JOSM editor - https://josm.openstreetmap.de/ > * "Relation Toolbox" JOSM plugin - > https://wiki.openstreetmap.org/wiki/JOSM/Plugins/Relation_Toolbox > > Documentation on MultiPolygons in the OSM wiki: > * https://wiki.openstreetmap.org/wiki/Multipolygon_Examples > * https://wiki.openstreetmap.org/wiki/Relation:multipolygon > > For some reason I've gotten hooked on mapping landcover in my area and > spend a lot of time adding multipolygons to do so. I find them vastly > easier to manage, update, and fix than simple closed ways with overlapping > edges (how I started). As I show in the video, adding detail usually just > means splitting exiting ways and adding/subtracting using the Relation > Toolbox. > > Hope this helps someone -- let me know if there are particular cases or > questions and I'd be happy to record another video covering other > situations. > > Best, > Adam > > On Mon, Oct 22, 2018 at 8:47 AM Paul Allen <pla16...@gmail.com> wrote: > >> On Mon, Oct 22, 2018 at 5:27 AM Dave Swarthout <daveswarth...@gmail.com> >> wrote: >> >>> >>> Great. But what are you actually doing when you "sort the members" of a >>> relation? And after sorting, how does one "ensure the members are >>> connected"? >>> >> >> Sorting something like a bus route ensures that the various ways that >> constitute it are connected >> nose-to-tail. This is what "ensures the members are connected" and >> ensures they are connected >> in a sensible fashion. Sorta. It may not do a good job if the route >> traverses the same way in the >> same direction more than once. >> >> I've noted with dismay the lack of debugging support for relations. For >>> example, I will get an error message when trying to upload an edited >>> relation but when I ask JOSM to Zoom to the error, the display zooms out >>> enough to include the entire relation with no clue as the where the actual >>> problem is. Same thing when you ask to "jump to the next gap". Good luck on >>> that also. Maybe it's just me? >>> >> >> Nope, it's not just you. I too have problems getting my head around >> JOSM. I use it when I have to, >> to merge or split areas (such as when I find out that a large forest that >> somebody else mapped >> has two named chunks). It's probable I find it hard to use because I >> don't use it enough, which means >> I don't use it much, which means... But I also have to admit that I find >> Java programs in general are >> not a good fit with how my mind expects things to work and they all give >> me a steeper learning curve >> than non-Java programs. Which means I try not to use them much, which >> means... >> >> -- >> Paul >> >> _______________________________________________ >> Tagging mailing list >> Tagging@openstreetmap.org >> https://lists.openstreetmap.org/listinfo/tagging >> > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging > -- Vr gr Peter Elderson
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