It seems many would find a short video tutorial depicting these steps very handy. Would you mind sharing on Bitchute or on some other video hosting site?
On Sun, Oct 21, 2018 at 3:26 AM Kevin Kenny <[email protected]> wrote: > Works great, right up until you need to maintain it. So, you've got >> your "natural=wood" multipolygon sharing a way with an adjoining >> "natural=scrub". And then, some inconsiderate developer bulldozes his >> way across the boundary and puts up a housing development. Now what do >> you do? You can't unglue the boundary and shrink the two affected >> areas to make room for the "landuse=residential" because there's only >> one way. >> >> The only option I've found is to remove the affected section of >> boundary from one of the multipolygons, move it to the new location, >> create a new boundary way for the other multipolygon in the proper >> place and add it, create a new multipolygon for the development and add >> the relevant boundary ways to it, and then confirm that you haven't >> broken any of the multipolygons involved. It's painful enough that >> it's usually faster and easier just to delete everything and re-create >> them from scratch as ordinary closed ways. >> > > I actually do edit those things pretty routinely. It involves redrawing > only for the added ways. > > Draw the new closed polygon representing the landuse=residential. Make it > a multipolygon immediately. > > Insert nodes at the intersections of this closed way with the existing > ways (if you didn't draw it that way to start with). Split the old and new > ways on the nodes. (Splitting is safe - they're multipolygons already.) > JOSM has an 'add nodes at intersections' feature that helps with this. > > Edit each of the old multipolygons to replace their old boundaries with > the new ones. That's just 'remove the old ways, insert the new ones' in the > relation editor. > > Finally, delete any ways that are now unused. > > I can do this *lots* faster than I can redraw an irregular boundary, at > least in JOSM. (I'm not skilled enough with iD to comment. it wasn't much > harder in Meerkartor when I tried it.) > >> > > _______________________________________________ > Tagging mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/tagging >
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