Thanks cleary I now see that it is easier to maintain boundary layer segments that are not superimposed over each other. I too am finding that the overlain boundaries are problematic.
> On 26 Mar 2016, at 11:20 AM, cleary <o...@97k.com> wrote: > > > Nev > > I have added some of those boundaries. Where the administrative boundary > and the national park boundary share exactly the same way, I have used > that single way and included it in two separate relations, one for the > administrative area and the other for the national park. If the admin > boundary is not the exact park boundary, then separate ways need to be > used. > > I find that having two separate ways but with one superimposed one on > the other makes it more difficult to work out where any problems are and > more difficult to edit later, if required. It has been my understanding > that it is best practice to use the one way for multiple relations, if > applicable. This is usually easiest to edit and renders exactly > correctly. > > In NSW, administrative boundaries frequently align exactly with sections > of national park boundaries, apparently deliberately. If we had separate > ways for each, I think there would be a lot of messy duplication on the > map. > > > > > > > On Fri, Mar 25, 2016, at 12:25 PM, Nev Wedding wrote: >> There have been many new admin_level=10 administrative boundaries added >> in NSW recently. >> Are we expected to split and use these as shared sections for the sides >> of national park multipolygons, etc. >> Or is it preferable to leave the admin_level=10 (and other admin levels) >> alone and separate. >> >> I assume they are best left separate so that they can be more easily >> updated later. >> >> Tag:boundary=administrative >> https://wiki.openstreetmap.org/wiki/Tag:boundary%3Dadministrative >> _______________________________________________ >> Talk-au mailing list >> Talk-au@openstreetmap.org >> https://lists.openstreetmap.org/listinfo/talk-au > > _______________________________________________ > Talk-au mailing list > Talk-au@openstreetmap.org > https://lists.openstreetmap.org/listinfo/talk-au _______________________________________________ Talk-au mailing list Talk-au@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-au
