[Tagging] mapping large memorial objects that roads pass through.

John Willis johnw at mac.com
Tue Mar 12 23:43:39 UTC 2019

Thanks to Kevin & Volker for the suggestions. 

I tagged the object as suggested. 

FYI, similar to pedestrian area, the road ignores the layer=* tag and OSM/carto renders it badly. 

I imagine things like this lead to a lot of tagging for the renderer. 


> On Mar 12, 2019, at 7:38 PM, Volker Schmidt <voschix at gmail.com> wrote:
> The minimum that is needed is a layer=1 for the torii itself as it is above the road, not at the same level.
> On Tue, 12 Mar 2019 at 03:34, Kevin Kenny <kevin.b.kenny at gmail.com <mailto:kevin.b.kenny at gmail.com>> wrote:
> On Mon, Mar 11, 2019 at 10:08 PM John Willis via Tagging
> <tagging at openstreetmap.org <mailto:tagging at openstreetmap.org>> wrote:
> >
> > I understand about tunnel=building_passage for ways that pass through structures, but there are some objects that roads go "under", similar to bridges, but are not bridge-like items.
> >
> > In my local area, there are two large torii (shinto gates) that public roads pass through the center of. They are ~ 10m tall and about 10m wide, and the base poles are on their own landuse - but the public road and sidewalk go through the m.
> >
> > The gate is a monument, and I mapped it as a building=yes & man_made=torii . I mapped the road and sidewalk as tunnels through it, but that seems wrong. It is a large object that deserves to be mapped, but I am unsure how to do it right.
> >
> > I assume this comes up with footpaths that go through smaller torii, archways, trellis’, and other “overhead” structures, but often times those structures are unmapped.
> Map the entire footprint of the torii, and then map the section of the
> road that passes under with covered=yes? That's what I've done for at
> least one road (that passes under a building that is buit as a bridge
> over a ravine) https://www.openstreetmap.org/way/478979357 <https://www.openstreetmap.org/way/478979357> . It
> appears to render sensibly, and the tagging makes sense to me.
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