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multipolygons in potlatch #3208

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openstreetmap-trac opened this issue Jul 23, 2021 · 1 comment
Closed

multipolygons in potlatch #3208

openstreetmap-trac opened this issue Jul 23, 2021 · 1 comment

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@openstreetmap-trac
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Reporter: dieterdreist
[Submitted to the original trac issue database at 3.19pm, Saturday, 4th September 2010]

I noticed that potlatch doesn't display multipolygons correctly: it requires the tags for the relation (e.g. building=yes) to be attached to the outer way, which is clearly false. It doesn't interpret (display) them right when set inside the relation.

@openstreetmap-trac
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Author: Richard
[Added to the original trac issue at 11.01am, Sunday, 5th September 2010]

I assume you're talking about P2 rather than P1 (which doesn't display multipolygons at all). Consequently I'll close this as invalid because trac is not yet used for P2 - there are wiki pages and a TODO.txt instead.

That said, this is a known issue but I'm not sure whether it's an issue with P2 or with tagging practice. Putting way-level tags on the relation is not used anywhere else in OSM and consequently violates the principle of least surprise. I have no idea how you would even begin to code a feature saying "take the tags from the way, unless it's a multipolygon, in which case take it from the relation". I suspect it would be horrible.

Nor am I convinced that it's 100% universal practice - maybe in Germany but not the rest of the world. ;)

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