Apparently I failed to communicate clearly in my first email. Let's try this again.
Boundary relations tagged with admin_level=6 and member ways WITHOUT admin_level tags are rendered starting at z9 Boundary relations tagged with admin_level=6 *and* member ways WITH admin_level=6 aren't rendered until z11 This seems like a discrepancy. You can see county borders being rendered at z9 in the link from my first email: http://www.openstreetmap.org/?lat=41.326&lon=-107.747&zoom=9&layers=M Toby On Wed, Feb 9, 2011 at 9:43 PM, Daniel Sabo <daniels...@gmail.com> wrote: > Ah, I think I see what you're saying. What zoom level do you expect it to > render at? The current stylesheet doesn't render county boundaries until z11, > period. > > My reading of the stylesheet [1] is that by not specifying an admin level > you're abusing the "admin-other" category and making it render at lower zoom. > If you want counties to intentionally render at z9 good luck getting someone > to change the style :P. I do agree that it would look nicer if it rendered > them at lower zoom. > > - Daniel > > [1] > http://svn.openstreetmap.org/applications/rendering/mapnik/inc/layer-admin.xml.inc > > On Feb 9, 2011, at 6:36 PM, Toby Murray wrote: > >> What you say makes perfect sense. But you got my situation wrong. When >> admin_level=6 *IS* specified on the way it doesn't render until z11. >> When it is only on the relation but NOT on the way then it renders at >> z9. >> >> Toby >> >> On Wed, Feb 9, 2011 at 8:08 PM, Daniel Sabo <daniels...@gmail.com> wrote: >>> It's not really a bug, if you have the following setup: >>> >>> Member way: >>> boundary = administrative >>> >>> Relation: >>> boundary = administrative >>> admin_level = 6 >>> >>> What you're telling mapnik is that there are two boundaries, one is >>> admin_level 6, the other is admin_level undefined. The admin 6 one will >>> render at z11 or closer, the undefined one renders at z9 to z11. >>> >>> To map the boundary as a relation you should have: >>> >>> Member way: >>> no boundary tags (that includes the boundary name) >>> >>> Relation: >>> boundary = administrative >>> admin_level = 6 >>> name = Something >>> >>> Boundary relations are just specialized multipolygons once they reach the >>> renderer so all the rules here apply: >>> http://wiki.openstreetmap.org/wiki/Relation:multipolygon#Usage >>> >>> - Daniel >>> >>> On Feb 9, 2011, at 11:27 AM, Toby Murray wrote: >>> >>>> Well like I said, leaving the admin_level=6 on the ways is indeed >>>> tagging for the renderer. However isn't there still a mapnik bug here >>>> no matter how you look at it? Shouldn't an admin_level=6 boundary be >>>> rendered at the same zoom level whether it is mapped as a relation or >>>> as a way? >>>> >>>> Toby >>>> >>>> _______________________________________________ >>>> talk mailing list >>>> talk@openstreetmap.org >>>> http://lists.openstreetmap.org/listinfo/talk >>> >>> >>> _______________________________________________ >>> talk mailing list >>> talk@openstreetmap.org >>> http://lists.openstreetmap.org/listinfo/talk >>> > > > _______________________________________________ > talk mailing list > talk@openstreetmap.org > http://lists.openstreetmap.org/listinfo/talk > _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
