I have been using the tag leisure=sports_centre for a long time. I’ve only recently discovered leisure=sports_hall. It seems the difference is just that hall is indoors, generally a single room, whereas centre has no such restriction. In practice, I see centre used for most qualifying features, and hall used sparsely. Should I be retagging features that qualify as sports_hall, or proposing it be deprecated?
Why would it be deprecated? A hall is one building for sports whereas the centre is a sports complex with multiple pitches and what not.
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I don’t see any clear method or benefit in differentiating them. A hall can have multiple pitches and a centre can be one building.
In that case, you already have a better question.
I’d suggest checking the wiki:
https://wiki.openstreetmap.org/wiki/Sports_hall
https://wiki.openstreetmap.org/wiki/Tag:leisure%3Dsports_centre
Perhaps the key sentence being
A sports centre might contain one or more sports halls.
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The nomenclature in real life can be murky. What is important is how we define it in OSM. A sports_centre can be a quite expansive complex over thousands of sq. metres with dozens of buildings, while a sports_hall is a single enclosed room, that can be small enough to fit in a school campus.
Most notably, a sports_centre can contain several sports_hall within it.
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I’ve already read the wiki. The most relevant thing it says is to use sports_hall
when the facility has no “centre” character
which doesn’t actually mean anything.
A sports centre might contain one or more sports halls.
A sports_centre can contain building=sports_hall, but it shouldn’t contain leisure=sports_hall. That would break the “one feature, one element” rule. I see sports_centre used for large areas containing several buildings as well as bouldering gyms, yoga studios, and clusters of pitches in a park. In practice, it’s not used exclusively for an “expansive complex”. Anything tagged as sports_hall also qualifies as sports_centre, making the former useless.
I’ve already read the wiki. The most relevant thing it says is to use sports_hall
when the facility has no “centre” character
which doesn’t actually mean anything.
agreed, let’s remove it
A sports centre might contain one or more sports halls.
A sports_centre can contain
building=sports_hall, but it shouldn’t containleisure=sports_hall. That would break the “one feature, one element” rule.
it wouldn’t, how would it? The leisure=sports_hall can coexist with building=sports_hall on the same feature, describing different aspects.
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Sure. So, I’m regularly going to a climbing gym (a sports hall), which is located at a sports centre, that also contains sports halls for tennis courts, basketball, football, swimming pools, ice hockey, body building, and who knows what else. It also contains plenty of outdoor areas for various sports.
How do you suggest that I tag the climbing gym?
A sports_centre within a sports_centre?
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A
sports_centrewithin asports_centre?
You could, I’ve seen it several times before. It’s not really any different than using a practically identical tag.
I hadn’t considered a single facility with both indoor and outdoor areas, they’re rare in my area. In this case, a sports hall seems more analogous to a pitch than a sports_centre so retagging a standalone business as sports_hall probably isn’t appropriate. In this case, the wiki should be updated to say so.