Hi,

is there a generic way to identify these:

Access only by fee:

  • Theme parks
  • Zoos
  • National parks
  • Aquaparks and public swimming pool areas
  • etc

No access:

  • Military areas

Basically every facility being an "ecosystem in the ecosystem". In specific I am wondering how these areas got their red boundary, as there's no "access" tag value maintained for them or only partially:

Examples:

https://overpass-turbo.eu/s/1nMS

https://overpass-turbo.eu/s/1nMU

https://overpass-turbo.eu/s/1nMV

asked 15 Nov, 15:42

Stelufl's gravatar image

Stelufl
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accept rate: 0%

edited 15 Nov, 15:50


The "red boundary" isn't derived from an access key in OSM's standard style. The relevant bit of the style definition for zoom seems to be:

https://github.com/gravitystorm/openstreetmap-carto/blob/master/style/landcover.mss#L908

You could query OSM objects that you think might restrict access in this way, such as zoos.

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answered 16 Nov, 10:29

SomeoneElse's gravatar image

SomeoneElse ♦
36.1k71366854
accept rate: 16%

Thanks, this is exactly what I was looking for!

(16 Nov, 10:39) Stelufl

I am not aware of a generic way. Access restrictions tend to be tagged more often on ways or barriers than on areas.

By "red boundary" are you referring to something that appears in the "standard" layer on openstreetmap.org? In your first example there are boundaries shown for Heide-Park Resort, and within that for Transsilvanien. As far as I know, that reflects a decision by the maintainers of that style to display the boundary of certain "tourism" areas such as theme parks and zoos in that way. It is not directly related to access restrictions. If you look at other layers such as Cycle Map or Transport Map you can see that not all renderers choose to do the same.

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answered 16 Nov, 10:09

alan_gr's gravatar image

alan_gr
2.6k12145
accept rate: 15%

Yes, I was referring to the "red boundaries" illustrated on the standard layer of OSM. These red boundaries seem to be unrelatable to a specific OSM tag, at least not one that I know of. Hence, I was already assuming that the map layer utilized "tourism=theme_park", "tourism=zoo" to draw these red fences as displayed on the map. Thanks for your answer, it helps already.

(16 Nov, 10:16) Stelufl
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question asked: 15 Nov, 15:42

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