Re: [Tagging] How to tag shop areas in a shopping mall ?

2018-01-24 Thread Martin Koppenhoefer


sent from a phone

> On 24. Jan 2018, at 22:01, André Pirard  wrote:
> 
> The advantage of a node is best seen when you try to add several shops tags 
> to the same building/area: a nightmare.


with the level tag and josms level filtering it is possible to keep things 
clear. With multipoligon relations you can have overlapping areas that are easy 
to edit.


> Doing it with a number of nodes is just straightforward.


it often leads to completely symbolic representations for routing, see for 
example here: www.openstreetmap.org/note/1232585

when shops in a mall are mapped as areas they are usually much better 
positioned, and not arbitrarily like nodes in many cases, and you can also see 
which one is big and which is small.

cheers,
Martin 
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Re: [Tagging] How to tag shop areas in a shopping mall ?

2018-01-24 Thread Martin Koppenhoefer


sent from a phone

> On 24. Jan 2018, at 20:46, OSMDoudou 
> <19b350d2-b1b3-4edb-ad96-288ea1238...@gmx.com> wrote:
> 
> But as they're asking to maintain their shops tagged as node, this is 
> effectively asking the community refrains itself from improving the tagging 
> of the mall


As areas and nodes are both valid representations for a shop, I would say they 
should adopt to it and handle both kind of elements, not insisting on nodes.

cheers,
Martin 
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Re: [Tagging] How to tag shop areas in a shopping mall ?

2018-01-24 Thread André Pirard
On 2018-01-24 20:46, OSMDoudou wrote:
>
> Following the discussion here, I changed the mapping of the mall to
> move tags from individual nodes to an area.
>
>  
>
> For one shop, it attracted feedback from the commercial entity who
> maintains its data on OpenStreetMap saying the change broke something
> at their side. See the discussion on the changeset: [1].
>
>  
>
> I'm very glad a company enriches the map and actively maintains the
> data (1700 nodes, they say), so I really want to support them and I
> reverted the change.
>
>  
>
> But as they're asking to maintain their shops tagged as node, this is
> effectively asking the community refrains itself from improving the
> tagging of the mall (following the idea that shops are better mapped
> as areas than nodes), and this is not in the interest of the community
> (which is to have a complete, coherent, accurate and maintained
> mapping of the place).
>
>  
>
> So, I wanted to ask your views on how to deal with this situation.
>
A shop is, as surprising as it may seem, not a building but an activity
that takes place somewhere.
In a conventional building or anywhere: in a tent, in a hall, on the
side of the street etc.
It can be tagged on a building or any area or on a node inside it, which
is the preference that I see around here.
The advantage of a node is best seen when you try to add several shops
tags to the same building/area: a nightmare.
Doing it with a number of nodes is just straightforward.
Also, a node is usable if you know too little of the geometry of the
area to map it decently.
I have often drawn buildings around shop nodes that were already there.
It's really nice to see people map their belongings.
Usually, the opposite happens: they completely ignore messages telling
them it has been done.

Cheers

André.



>  
>
> [1]
> https://www.openstreetmap.org/changeset/55640175#map=19/50.45645/3.93247
>
>

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Re: [Tagging] How to tag shop areas in a shopping mall ?

2018-01-24 Thread Andrew Hain
If of course all of their shops are mapped in detail as areas, they still get a 
consistent target.

--
Andrew

From: OSMDoudou <19b350d2-b1b3-4edb-ad96-288ea1238...@gmx.com>
Sent: 24 January 2018 19:46:26
To: 'Tag discussion, strategy and related tools'
Subject: Re: [Tagging] How to tag shop areas in a shopping mall ?


Following the discussion here, I changed the mapping of the mall to move tags 
from individual nodes to an area.



For one shop, it attracted feedback from the commercial entity who maintains 
its data on OpenStreetMap saying the change broke something at their side. See 
the discussion on the changeset: [1].



I'm very glad a company enriches the map and actively maintains the data (1700 
nodes, they say), so I really want to support them and I reverted the change.



But as they're asking to maintain their shops tagged as node, this is 
effectively asking the community refrains itself from improving the tagging of 
the mall (following the idea that shops are better mapped as areas than nodes), 
and this is not in the interest of the community (which is to have a complete, 
coherent, accurate and maintained mapping of the place).



So, I wanted to ask your views on how to deal with this situation.



[1] https://www.openstreetmap.org/changeset/55640175#map=19/50.45645/3.93247


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Re: [Tagging] How to tag shop areas in a shopping mall ?

2018-01-24 Thread OSMDoudou
Following the discussion here, I changed the mapping of the mall to move
tags from individual nodes to an area.

 

For one shop, it attracted feedback from the commercial entity who maintains
its data on OpenStreetMap saying the change broke something at their side.
See the discussion on the changeset: [1].

 

I'm very glad a company enriches the map and actively maintains the data
(1700 nodes, they say), so I really want to support them and I reverted the
change.

 

But as they're asking to maintain their shops tagged as node, this is
effectively asking the community refrains itself from improving the tagging
of the mall (following the idea that shops are better mapped as areas than
nodes), and this is not in the interest of the community (which is to have a
complete, coherent, accurate and maintained mapping of the place).

 

So, I wanted to ask your views on how to deal with this situation.

 

[1] https://www.openstreetmap.org/changeset/55640175#map=19/50.45645/3.93247

 

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Re: [Tagging] Feature Proposal - Voting - Piste:type=connection

2018-01-24 Thread Helge Fahrnberger
Hi Marc,

I did send an RFC, over a year ago:
https://lists.openstreetmap.org/pipermail/tagging/2016-September/030270.html

Caused some positive comments on the discussion page and quite some people
actually using the tag.

As for the text on the proposal page itself: I intended it for the audience
here. I agree that the tag description for a general mappers' audience
needs to be different. (Not very familiar with the proposal habits.) I
promise to draft a better tag page after voting ;-)

Helge


>marc marc marc_marc_irc at hotmail.com wrote:
>Wed Jan 24 10:04:39 UTC 2018
>
>Hello,
>
>Le 24. 01. 18 à 10:42, Helge Fahrnberger a écrit :
>>
https://wiki.openstreetmap.org/wiki/Proposed_features/Piste:type%3Dconnection
>> I'd like to start voting
>
>you forget to make a request for comment :)
>end end date look wrong (January <> February)
>my comment : the definition is strange.
>"mainly for routing purposes" is not a definition, it's a usecase.
>Maybe definition should be like :
>"ways taken by skiers to go from one lift to another or
>from one lift to another at the beginning of the piste."
>
>Regards,
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Re: [Tagging] AutoEdit rename roof:slope:direction to roof:direction

2018-01-24 Thread User Rebo

Here the missing overpass links for "roof:ridge:direction".

    gabled -> 1120 ways        https://overpass-turbo.eu/s/vks
    hipped -> 100 ways          https://overpass-turbo.eu/s/vku
    half-hipped -> 68 ways https://overpass-turbo.eu/s/vkv
    gambrel -> 9 ways https://overpass-turbo.eu/s/vkw
    round -> 1 way https://overpass-turbo.eu/s/vkx
    mansard -> 8 ways           https://overpass-turbo.eu/s/vky
    saltbox -> 0 ways

Regards,

Rebo


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Re: [Tagging] Proposed features - Voting - Pressurized waterways

2018-01-24 Thread marc marc
Le 23. 01. 18 à 14:25, Mateusz Konieczny a écrit :
 > I would prefer waterway=canal + pressurised=yes + tunnel=* rather
 > than waterway=pressurised.

trivial in appearance, this change would imply a huge change of meaning.
today common sense is that waterway=canal is a canal :-) thus not 
pressurized.
your modification would mean that waterway=canal is either a canal or 
pressurized. it implies that 300,000 objects would have to be reviewed 
to add the lost information.
and each time a contributor forgets the pressurised tag, we won't know 
if he saw a channel or a pipeline, which is still 2 totally different 
objects.
or we have to assume he saw the most common object.
it's really not a good solution for data quality.

Le 24. 01. 18 à 12:02, François Lacombe a écrit :
> Why free flow should get a waterway and pressurised none ?
> I find this confusing.

I agree.
it is positive that the current proposal brings continuity
with a waterways=* for all the water flow.
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Re: [Tagging] Proposed features - Voting - Pressurized waterways

2018-01-24 Thread François Lacombe
2018-01-23 18:17 GMT+01:00 Janko Mihelić :

> I would like to add tunnel=headrace to the waterway=drain because that's
> how they are called. Just google "headrace tunnel" and this is exactly what
> you will get.
>

This is a great add, thank you. I've missed this terminology, and vote may
be stopped to refine the proposal.
tunnel=headrace solve pretty big issue I had with tunnel=culvert


>
> That's why I would like to tag those pipelines as man_made=pipeline +
> pipeline=penstock. "Penstock" by itself means that the pipeline is
> pressurized, but we can add "pressurized=yes" just to be safe
> (waterway=pressurized is a funny tag to me).
>

It's already done with man_made=pipeline + usage=penstock

Given consistency issue I see is free flow headrace comes with
waterway=drain + tunnel = headrace but pressurized headrace or penstock
with man_made=pipeline only.
Why free flow should get a waterway and pressurised none ?
I find this confusing.

Here what is proposed, separate water from "man made" structures (cut view)
: https://imgur.com/a/3KWqZ


> Using waterway=drain for underground rivers is not very accurate. I think
> a new waterway tag is needed here, because this is a new concept. I suggest
> waterway=subterranean_river. And if it has a siphon, add
> subterranean_river=syphon.
>

This is the unsolved issue I mentioned on the image, but proposal wasn't
intended to cover it.
waterway=drain should be kept on artifical path, I wasn't proposing to use
it on natural underground river.

waterway=subterranean_river sounds ok for me anyway.


>
> So, I made an image with my suggestions, changes are bolded and underlined
> (I love your images, they are worth a thousand words :)
>
> https://imgur.com/a/obdNd
>

Thanks


2018-01-23 18:30 GMT+01:00 Janko Mihelić :
>Calling pipelines waterway=pressurized because it would be easier for you
to extract it and render it makes this tagging for the renderer. Tags
should be as consistent as possible for the mappers, not data consumers. If
a mapper sees a pipeline, and you tell him "tag that as
waterway=pressurized because then my SQL query can be nice and short" the
mapper is going to get annoyed and quit. If it's a pipeline, tag it as a
man_made=pipeline, and that's it. Somebody else can tag the type of a
pipeline, but nobody is suposed to think about SQL queries when mapping.

I gave my personal experience. Prior to do sql queries or really particular
stuff, there are models to be done. I'm not only doing rendering but
routing also.
Tagging isn't currently consistent for mappers at all since they are
encouraged to use waterway=canal to tag underground features.

I agree there's no point to adapt tagging for sql queries, and it's not
what I'm doing.
It's all about data model and semantics.

François
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Re: [Tagging] Feature Proposal - Voting - Piste:type=connection

2018-01-24 Thread marc marc
Hello,

Le 24. 01. 18 à 10:42, Helge Fahrnberger a écrit :
> https://wiki.openstreetmap.org/wiki/Proposed_features/Piste:type%3Dconnection
> I'd like to start voting

you forget to make a request for comment :)
end end date look wrong (January <> February)
my comment : the definition is strange.
"mainly for routing purposes" is not a definition, it's a usecase.
Maybe definition should be like :
"ways taken by skiers to go from one lift to another or
from one lift to another at the beginning of the piste."

Regards,
Marc
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Re: [Tagging] Short-term parking zones

2018-01-24 Thread Marc Gemis
yes, it was. But nobody bothered since the speed was the same in the
whole country.
I do not know when it was moved to the regional government, even not
whether this was before or after the first source:maxspeed was entered
in OSM>

m.

On Tue, Jan 23, 2018 at 10:16 AM, Colin Smale  wrote:
> Was the speed limit already the responsibility of the regional governments?
> Or was there a constitutional change to delegate that power to them?
>
> If they already had the power, the source:maxspeed value should not have
> referred to BE but to Flanders specifically (BE:VL?).
>
>
>
>
> On 2018-01-23 10:00, Marc Gemis wrote:
>
> We had this situation last year, when Flanders (northern part of
> Belgium) decided to change the speed limit from 90 km/h to 70 km/h.
> Brussels and Wallonia kept the default on 90 for rural roads.
> Not only was this for a part of the country, but many roads already
> had signs for maxspeed 70 or zone 70 before the change. So we had to
> change the source:maxspeed as well for all roads, to indicate that it
> is now on regional level.
> Some roads that were 90 remained 90 after the official changes, but
> got (or already had) signs.
>
> So many more changes were needed than just retagging roads with
> source:maxspeed=BE:rural from 90 to 70.
>
> regards
>
> m
>
> On Wed, Jan 17, 2018 at 12:33 PM, Martin Koppenhoefer
>  wrote:
>
> 2018-01-16 23:03 GMT+01:00 Kevin Kenny :
>
>
> ...I've never tried to tag any of that sort of regulatory information, but
> I can imagine that applying it to all the streets in the town would be both
> tedious and unmanageable (the latter because if the town were to change the
> ordinance, it would mean updates to many hundreds of highway segments).
>
>
>
>
>
> While I agree it is not the perfect solution, we are trying to deal with
> similar provisions (default implicit maxspeed by context) through additional
> tags which refer to the legislation. E.g. we add explicit maxspeed tags to
> roads inside settlements where the maxspeed is implicit (within the city
> limit signs), and add source:maxspeed tags (e.g. value IT:urban in this
> case) for the unlikely case, that the law changes, so we can automatically
> select all ways with this referrer and change their maxspeed in one go,
> without needing to care for signedposted maxspeeds with the same value
> (because they should have source:maxspeed=sign or maybe nothing). At least
> this is the theory, so far we haven't needed it.
>
> Even if your regulations are not national or by the state but only in your
> county or township, you could add some additional tag that refers to the
> ordinance, so if it changes you can change all those cases in one go.
>
> Cheers,
> Martin
>
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[Tagging] Feature Proposal - Voting - Piste:type=connection

2018-01-24 Thread Helge Fahrnberger
https://wiki.openstreetmap.org/wiki/Proposed_features/Piste:type%3Dconnection

Hi,

I'd like to start voting on Piste:type=connection, which is needed for
walk-overs and other types of connections between lifts. The tag is already
in use 102 times in four alpine countries.

It is essential for ski routing applications to function.

Helge
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