Re: [Tagging] Feature Proposal - Voting - Aquatics centre

2016-01-09 Thread Tom Pfeifer

Matthijs Melissen wrote on 2016/01/09 21:38:

On 5 January 2016 at 11:25, Tom Pfeifer wrote:

I think the proposal has been rushed into voting prematurely, with just 5 days
from draft on 25 Dec, during the holiday seasons where many people might be
mapping away from home ;-)


It was in fact 7 days,


This is somehow true, but there are several excuses I could choose from:

- I'm notoriously bad in simple arithmetic, that's why I started building 
computers,
- being into computers, you can have a off-by-one-error on both ends of this 
holiday week,
- in this particular week, the movements of Santa Claus cause time-warps.

tom

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Re: [Tagging] Feature Proposal - Voting - Aquatics centre

2016-01-09 Thread Matthijs Melissen
On 5 January 2016 at 11:25, Tom Pfeifer  wrote:
> I think the proposal has been rushed into voting prematurely, with just 5
> days
> from draft on 25 Dec, during the holiday seasons where many people might be
> mapping away from home ;-)

It was in fact 7 days, but your point is still standing. Some users
have requested an extension of the voting period. I doubt an extension
will change the outcome of either of the proposals (Aquatics centre
and Discourage amenity=swimming pool), but if people prefer more time
I don't mind either. I therefore have extended the voting period for
both proposals by an additional week.

-- Matthijs

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Re: [Tagging] Feature Proposal - Voting - Aquatics centre

2016-01-06 Thread Tom Pfeifer

Martin Koppenhoefer wrote on 2016/01/06 16:46:

I'd question whether you can't do anything else besides the sport the facility 
is built for.
Have a look at upcoming events at the Berlin velodrome: [...]
Huge stadiums are often used for concerts.


Yes of course you can use the sports_centre differently, you can have a 
concert, you
can have a flea market when there is no ice in the rink, put a refugee tent on 
the
soccer ground, and you could rent the aquatics centre for a romantic wedding 
around the
pool, without jumping in.

Still the main purpose is a sports_centre :-)


Also aquatics centres can be used differently, e.g. this one: 
https://de.m.wikipedia.org/wiki/Stadtbad_Oderberger_Straße
The difference is that this is an ex-location, there's neither the water nor 
the air temperature but just the structure,

> this wouldn't get the tag leisure=aquatics_centre (but likely a building tag 
that's informative).

Yes we are in sync at this point, it is comparable to a former church building 
now used for concerts or climbing.

tom

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Re: [Tagging] Feature Proposal - Voting - Aquatics centre

2016-01-06 Thread Martin Koppenhoefer


sent from a phone

> Am 06.01.2016 um 16:12 schrieb Tom Pfeifer :
> 
> You have the Velodrome for track cycling, baseball campuses, stadiums where 
> you can
> perform nothing else than american football or hurling, the ice rink for 
> hockey and
> figure skating, and those aquatic sport_centres.


I'd question whether you can't do anything else besides the sport the facility 
is built for. 
Have a look at upcoming events at the Berlin velodrome: 
http://www.velodrom.de/events-und-tickets/veranstaltungskalender/

Huge stadiums are often used for concerts.

Also aquatics centres can be used differently, e.g. this one: 
https://de.m.wikipedia.org/wiki/Stadtbad_Oderberger_Straße
The difference is that this is an ex-location, there's neither the water nor 
the air temperature but just the structure, this wouldn't get the tag 
leisure=aquatics_centre (but likely a building tag that's informative).


cheers 
Martin 
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Re: [Tagging] Feature Proposal - Voting - Aquatics centre

2016-01-06 Thread Tom Pfeifer

On Jan 5, 2016, at 9:02 PM, Martin Koppenhoefer  wrote:

my opinion on this is that swimming is so different from other sports that I'd 
use a different main tag for the structure.



John Willis wrote on 2016/01/06 02:35:


Most "sports centres" are built around the idea of pitches/fields/courts of 
some sort.

[...]

Aquatics center is its own beast. It is a stand-alone facility dedicated to 
swimming,

> with 1 main pool and related facilities (usually many pools) and no pitches 
...

But the stand-alone criterion holds for other sports as well. You have 
multi-purpose
sports_centres, opposed to single-purpose ones.

You have the Velodrome for track cycling, baseball campuses, stadiums where you 
can
perform nothing else than american football or hurling, the ice rink for hockey 
and
figure skating, and those aquatic sport_centres.

But they are all purpose-built to perform one to many sports. The distinguishing
criterion is a different one - it is whether to use the purpose-built place
(at least for the organised form), or use other facilities: such as the highways
for the marathon, the countryside for cross-country skiing, the natural rock for
outdoor climbing. Downhill skiing comes in between with the slope dedicated for
the season.

tom

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Re: [Tagging] Feature Proposal - Voting - Aquatics centre

2016-01-06 Thread Tom Pfeifer

Martin Koppenhoefer wrote on 2016/01/05 13:02:


2016-01-05 12:44 GMT+01:00 Tom Pfeifer:
leisure=ducking
vs.
leisure=sports_centre
sports_centre=ducking

What is your stance on
leisure=pitch
sport=diving/swimming ?

(I'm not proposing this, it is just a question to understand your proposal).


If I understand your question correctly, you are probing how far I would go with
structuring. As you pointed out in the other thread, we need a balance between
tag detail and structure, your example above (merging pools under pitch)
would tip towards over-structuring.

As for the actual place of performing the sport, we have leisure=track for
predominantly 1-dimensional performance, pitch for a ground where players move
in two dimensions, and pool which adds depth.

That we currently tag swimming_pool probably also when it is used for diving is
due to history and helps to remind the human mapper that it is not a pool table,
taginfo(diving_pool)=0, so while I would not start from scratch with it, but 
keep
it as we have it.

tom

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Re: [Tagging] Feature Proposal - Voting - Aquatics centre

2016-01-05 Thread Colin Smale
John, I think you will find that many water/ice sports including the
ones you mention have specific requirements regarding the pools/rinks. A
pool for water polo/swimming/diving/ice hockey as a proper sport
requires that a pool/rink be of a certain shape, size and depth and with
certain markings, and be fitted with certain features such as starting
blocks and goals. It's like a "pitch" with surface=water/ice. 

Yes I know you can swim as a leisure activity in almost any bit of
water, but you can also play soccer in the park with jumpers as
goalposts. But that is just a leisure activity, not an organised sport
as such.

--colin 

On 2016-01-06 02:35, John Willis wrote:

>> On Jan 5, 2016, at 9:02 PM, Martin Koppenhoefer  
>> wrote:
>> 
>> my opinion on this is that swimming is so different from other sports that 
>> I'd use a different main tag for the structure.
> 
> +1  
> 
> Most "sports centres" are built around the idea of pitches/fields/courts of 
> some sort. Solid expanses of walkable area, with specialty rooms for 
> individual sports that also take place while on solid ground. 
> 
> These are multiuse facilities, usually, built around the idea of pitches. 
> Even with nets and lines, many sports can be played on a single pitch - but 
> swimming/water polo/diving doesn't use pitches. It is not a specialized 
> pitch, like a tennis court or soccer field. This is similar to ice 
> skating/hockey and skiing/mountain biking runs. They are not pitches in the 
> normal sense. 
> 
> So facilities that cater to pitch oriented and related sports are easily 
> called a sports centre - our sports centres also have kendo/judo and Sumo 
> rooms, as well as normal wrestling - but you would expect to find 
> wrestling/gymnastics/weightlifting at a sports centre. Specialized sports, 
> but still on foot. 
> 
> A really large sports centre may have a pool on the grounds as well. It is 
> merely a pool. 
> 
> Aquatics center is its own beast. It is a stand-alone facility dedicated to 
> swimming, with 1 main pool and related facilities (usually many pools) and no 
> pitches - a separation seen in real life throughout the world. 
> 
> Javbw
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Re: [Tagging] Feature Proposal - Voting - Aquatics centre

2016-01-05 Thread John Willis


> On Jan 5, 2016, at 9:02 PM, Martin Koppenhoefer  
> wrote:
> 
> my opinion on this is that swimming is so different from other sports that 
> I'd use a different main tag for the structure.

+1  


Most "sports centres" are built around the idea of pitches/fields/courts of 
some sort. Solid expanses of walkable area, with specialty rooms for individual 
sports that also take place while on solid ground. 

These are multiuse facilities, usually, built around the idea of pitches. Even 
with nets and lines, many sports can be played on a single pitch - but 
swimming/water polo/diving doesn't use pitches. It is not a specialized pitch, 
like a tennis court or soccer field. This is similar to ice skating/hockey and 
skiing/mountain biking runs. They are not pitches in the normal sense. 

So facilities that cater to pitch oriented and related sports are easily called 
a sports centre - our sports centres also have kendo/judo and Sumo rooms, as 
well as normal wrestling - but you would expect to find 
wrestling/gymnastics/weightlifting at a sports centre. Specialized sports, but 
still on foot. 

A really large sports centre may have a pool on the grounds as well. It is 
merely a pool. 

Aquatics center is its own beast. It is a stand-alone facility dedicated to 
swimming, with 1 main pool and related facilities (usually many pools) and no 
pitches - a separation seen in real life throughout the world. 

Javbw
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Re: [Tagging] Feature Proposal - Voting - Aquatics centre

2016-01-05 Thread Martin Koppenhoefer
2016-01-05 12:44 GMT+01:00 Tom Pfeifer :

> Martin, the purpose of my discussion is not to nit-pick on the
> illustrative extra tags,
> but to discuss
>
>leisure=ducking
>
> vs.
>
>leisure=sports_centre
>sports_centre=ducking
>


my opinion on this is that swimming is so different from other sports that
I'd use a different main tag for the structure. The same would apply to ice
skating or skiing by the way.

What is your stance on
leisure=pitch
sport=diving/swimming ?

(I'm not proposing this, it is just a question to understand your proposal).


Cheers,
Martin
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Re: [Tagging] Feature Proposal - Voting - Aquatics centre

2016-01-05 Thread Tom Pfeifer

Martin, the purpose of my discussion is not to nit-pick on the illustrative 
extra tags,
but to discuss

   leisure=ducking

vs.

   leisure=sports_centre
   sports_centre=ducking

Anything else was just

Martin Koppenhoefer wrote on 2016/01/05 12:02:
 > I think that this approach is not working well, as there is no "natural" logic for 
subtags like "sports_centre".
>  Have a look in taginfo and discover, that "commercial" is a common value for this key, 
nothing that would fit well together with "aquatics" .

I had of course, and so far sports_centre=* is used 51 times, 24 of them "gym" and 5 
"commercial".
This is some natural noise for an undocumented tag that has some sporadic use.


* leisure=sports_centre
* sports_centre=golf_course

-1, there's no gain from this (IMHO), just the loss of having to use 2 tags 
rather than one.


Yes the disadvantage of having more structure is at least a second tag.
It works well in some schemes, look at social_facility.


why would you need sport=golf for objects with a "golf" key?


Maybe we don't, that would be subject to refined discussion once we have an 
opinion
about the principal issue.

tom


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Re: [Tagging] Feature Proposal - Voting - Aquatics centre

2016-01-05 Thread Martin Koppenhoefer
2016-01-05 11:25 GMT+01:00 Tom Pfeifer :

> area outline:
> * leisure=sports_centre
> * sports_centre=aquatics
>


I think that this approach is not working well, as there is no "natural"
logic for subtags like "sports_centre". Have a look in taginfo and
discover, that "commercial" is a common value for this key, nothing that
would fit well together with "aquatics" .



> the pools:
> * leisure=swimming_pool
> * access=customers
> * sport=swimming (or diving or other water sport)
>


IMHO we don't need individual access tags as long as the facility is inside
a bigger aquatics centre (which could get tags like fee=yes or similar).



>
> the extra facilities
> * leisure=pitch
> * sport=volleyball
>


yes, these are undisputed and this is independent from the tag for the
whole facility.



>
> Consequently, we could discourage leisure=golf_course, and introduce:
>
> area outline:
> * leisure=sports_centre
> * sports_centre=golf_course
>


-1, there's no gain from this (IMHO), just the loss of having to use 2 tags
rather than one.



>
> the golfing details:
> * golf=* as defined in the wiki
> * sport=golf
>


why would you need sport=golf for objects with a "golf" key?

Cheers,
Martin
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Re: [Tagging] Feature Proposal - Voting - Aquatics centre

2016-01-05 Thread Tom Pfeifer

Matthijs Melissen wrote on 2016/01/01 22:47:

Hi all,

Voting on the proposal for the tag leisure=aquatics_centre is now
open. You can vote here:

http://wiki.openstreetmap.org/wiki/Proposed_features/Aquatics_centre


I think the proposal has been rushed into voting prematurely, with just 5 days
from draft on 25 Dec, during the holiday seasons where many people might be
mapping away from home ;-)

While the tag has some initial beauty, it leads to further fragmentation
of a primary key -- a fragmentation that the parallel proposal of deprecating
amenity=swimming_pool tries to reduce.

Having a new key for a sports facility for a specific kind of sport forces
a data consumer just interested in distinguishing sports grounds from other
features, without being interested in the specific kind of sport, to implement
another value for the leisure key.

The issue boils down into duck tagging vs. structured tagging, which I'll 
analyse
in a separate mail, anyway a structured approach could look as follows:

For an aquatics centre with predominant swimming facilities, and a volleyball 
pitch for warm-up:

area outline:
* leisure=sports_centre
* sports_centre=aquatics

the pools:
* leisure=swimming_pool
* access=customers
* sport=swimming (or diving or other water sport)

the extra facilities
* leisure=pitch
* sport=volleyball

Consequently, we could discourage leisure=golf_course, and introduce:

area outline:
* leisure=sports_centre
* sports_centre=golf_course

the golfing details:
* golf=* as defined in the wiki
* sport=golf

the extra facilities
* leisure=swimming_pool


tom



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[Tagging] Feature Proposal - Voting - Aquatics centre

2016-01-01 Thread Matthijs Melissen
Hi all,

Voting on the proposal for the tag leisure=aquatics_centre is now
open. You can vote here:

http://wiki.openstreetmap.org/wiki/Proposed_features/Aquatics_centre

I would like to thank in advance anybody voting on this proposal.

-- Matthijs

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