2014-12-30 9:40 GMT+01:00 johnw <[email protected]>: > > Ahh, I see - that makes sense. > > so, I should leave the pedestrain areas as they are, and add an > additional area for the roof (so I would have two areas - one the footpath > and the other a roof with the adjacent areas as pedestrian) > > or > > make the entire area highway=pedestrian and have the building=roof are on > a layer above it? > > > BTW, highway=pedestrian+area=yes does not play nice with the layer tag - > it renders over everything else, even when separated by layers (last time I > checked). does this mean I should tag it in some other (more correct) > fashion, or is this simply a rendering error that needs to be resolved and > I should refrain from tagging for the renderer? >
This is deliberate, and was explained in a mail in June: https://lists.openstreetmap.org/pipermail/tagging/2014-June/018043.html highway=pedestrian + area=yes will always be over everything else. There's nothing you can do about it, except make your own renderer :) Or try to change their minds here: https://github.com/gravitystorm/openstreetmap-carto/issues/688 As for your mapping, If you ask me, it would be better to map sidewalks as lines tagged with highway=footway. That makes it much easier for routers to get you to your wanted platform. If you really want to map sidewalk areas, you can tag them as area:highway=footway. It's currently just a proposed tag, but I think its philosophy is the best so far for mapping areas of highways. Janko
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