Re: [Tagging] building=digester

2016-05-19 Thread Marc Gemis
Hi Dave,

Marc Zoutendijk wrote in his mail that he does not consider a
greenhouse a building.

m.

On Fri, May 20, 2016 at 12:03 AM, Dave Swarthout
 wrote:
> I don't know where the notion came from saying a greenhouse is not a
> building. It is not a residence but it is most certainly a building - it has
> doors, walls and a roof, Just because they're made of glass doesn't
> disqualify it from the building category.
>
> On Thu, May 19, 2016 at 3:29 PM, Martin Koppenhoefer
>  wrote:
>>
>>
>> 2016-05-19 20:50 GMT+02:00 Marc Gemis :
>>>
>>> On Thu, May 19, 2016 at 5:10 PM, Marc Zoutendijk 
>>> wrote:
>>> > That's because everything that is a building should be tagged as a
>>> > building”
>>>
>>> so I looked at the wikipedia definition of building [1], and their
>>> definition of non-buildings [2]
>>> At this moment I think that digester/bioreactor belongs to the non-
>>> building structures, as they list "Structures designed to support,
>>> contain or convey liquid or gaseous matter, "
>>
>>
>>
>> actually, in osm there is some tradition in tagging non-building
>> structures as buildings, indeed, there is no "non-building structure" key in
>> OSM (man_made is far more generic and not referring to structures only).
>> Yes, the term "building" has a more narrow meaning in language than what it
>> is used for in OSM, and wikipedia reflects this, still, for OSM the osm wiki
>> is relevant, not wikipedia.
>>
>> Cheers,
>> Martin
>>
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>
>
>
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Re: [Tagging] building=digester

2016-05-19 Thread Marc Gemis
Martin,

so what is the definition of building in OSM ? "The building key is
used to mark areas as a building." from the wiki page is pretty
useless as definition. Neither the Building, nor the Buildings page
teach me what is considered a building and what not.

The building page just has a "number of examples", but it does not
make clear how I can decide whether a digester is a building or not.

It is also not clear to me why a water mill or wind mill are man_made
and not a building.

So what is the definition of building you are referring to ? Do you
digester is a building ?

regards

m

On Thu, May 19, 2016 at 9:29 PM, Martin Koppenhoefer
 wrote:
>
> 2016-05-19 20:50 GMT+02:00 Marc Gemis :
>>
>> On Thu, May 19, 2016 at 5:10 PM, Marc Zoutendijk 
>> wrote:
>> > That's because everything that is a building should be tagged as a
>> > building”
>>
>> so I looked at the wikipedia definition of building [1], and their
>> definition of non-buildings [2]
>> At this moment I think that digester/bioreactor belongs to the non-
>> building structures, as they list "Structures designed to support,
>> contain or convey liquid or gaseous matter, "
>
>
>
> actually, in osm there is some tradition in tagging non-building structures
> as buildings, indeed, there is no "non-building structure" key in OSM
> (man_made is far more generic and not referring to structures only). Yes,
> the term "building" has a more narrow meaning in language than what it is
> used for in OSM, and wikipedia reflects this, still, for OSM the osm wiki is
> relevant, not wikipedia.
>
> Cheers,
> Martin
>
> ___
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Re: [Tagging] building=digester

2016-05-19 Thread Dave Swarthout
I don't know where the notion came from saying a greenhouse is not a
building. It is not a residence but it is most certainly a building - it
has doors, walls and a roof, Just because they're made of glass doesn't
disqualify it from the building category.

On Thu, May 19, 2016 at 3:29 PM, Martin Koppenhoefer  wrote:

>
> 2016-05-19 20:50 GMT+02:00 Marc Gemis :
>
>> On Thu, May 19, 2016 at 5:10 PM, Marc Zoutendijk 
>> wrote:
>> > That's because everything that is a building should be tagged as a
>> building”
>>
>> so I looked at the wikipedia definition of building [1], and their
>> definition of non-buildings [2]
>> At this moment I think that digester/bioreactor belongs to the non-
>> building structures, as they list "Structures designed to support,
>> contain or convey liquid or gaseous matter, "
>
>
>
> actually, in osm there is some tradition in tagging non-building
> structures as buildings, indeed, there is no "non-building structure" key
> in OSM (man_made is far more generic and not referring to structures only).
> Yes, the term "building" has a more narrow meaning in language than what it
> is used for in OSM, and wikipedia reflects this, still, for OSM the osm
> wiki is relevant, not wikipedia.
>
> Cheers,
> Martin
>
> ___
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>
>


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Re: [Tagging] building=digester

2016-05-19 Thread Martin Koppenhoefer
2016-05-19 20:50 GMT+02:00 Marc Gemis :

> On Thu, May 19, 2016 at 5:10 PM, Marc Zoutendijk 
> wrote:
> > That's because everything that is a building should be tagged as a
> building”
>
> so I looked at the wikipedia definition of building [1], and their
> definition of non-buildings [2]
> At this moment I think that digester/bioreactor belongs to the non-
> building structures, as they list "Structures designed to support,
> contain or convey liquid or gaseous matter, "



actually, in osm there is some tradition in tagging non-building structures
as buildings, indeed, there is no "non-building structure" key in OSM
(man_made is far more generic and not referring to structures only). Yes,
the term "building" has a more narrow meaning in language than what it is
used for in OSM, and wikipedia reflects this, still, for OSM the osm wiki
is relevant, not wikipedia.

Cheers,
Martin
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Re: [Tagging] building=digester

2016-05-19 Thread Marc Gemis
On Thu, May 19, 2016 at 5:10 PM, Marc Zoutendijk  wrote:
> That's because everything that is a building should be tagged as a building”

so I looked at the wikipedia definition of building [1], and their
definition of non-buildings [2]
At this moment I think that digester/bioreactor belongs to the non-
building structures, as they list "Structures designed to support,
contain or convey liquid or gaseous matter, "

When you look at [3] the subsection of agricultural buildings, you see
greenhouse listed.

I don't know whether we want to follow the wikipedia definition or
not, but it might help to decide where we have to place future tags.

regards

m


[1] https://en.wikipedia.org/wiki/Building
[2] https://en.wikipedia.org/wiki/Nonbuilding_structure
[3] https://en.wikipedia.org/wiki/List_of_building_types#Agricultural_buildings

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Re: [Tagging] Mapping pergolas/arbors

2016-05-19 Thread Kurt Waldhans

What's about

   building=roof
   layer=1
   roof:material=plants


rendered on map, way may pass below, no new tags necessary

Kurt

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Re: [Tagging] building=digester

2016-05-19 Thread Marc Zoutendijk

> Op 19 mei 2016, om 14:46 heeft Marc Gemis  het volgende 
> geschreven:
> 
> On Wed, May 18, 2016 at 6:45 PM, Marc Zoutendijk  
> wrote:
>> And as a side note I could say:
>> Combining man_made=* AND building=* on the same object (as is often done to 
>> make it appear on the map) is as wrong as using highway=* and waterway=* on 
>> the same object. It is one or the other, but cannot be both.
> 
> Marc, it seems like the person that added the building=digester does
> not agree with you:
> http://wiki.openstreetmap.org/wiki/User_talk:Travelling_salesman
> 
> ___

Yes, but he writes:

"That's because everything that is a building should be tagged as a building”

Which is the same as saying: "everything that is a tree should be tagged as a 
tree”

The point is that there is confusion about the word “building”. In my opinion 
not everything that is built is a building. A car e.g. is built, but is it a 
building? A ship is built, is it a building? 

Marc.




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Re: [Tagging] Mapping pergolas/arbors

2016-05-19 Thread Dave Swarthout
Thanks Marc, yes, shelter_type is the one I've used in the past. I was
using my phone while boarding a plane and didn't have time to do a proper
look-up. There have been discussions in the past about the use of the
"type" key and so shelter_type would be much preferred.

On Thu, May 19, 2016 at 2:12 AM, Marc Gemis  wrote:

> Why not the established shelter_type [1], which is used over 69.000
> times according to taginfo [2]
>
> [1] http://wiki.openstreetmap.org/wiki/Key:shelter_type
> [2] http://taginfo.openstreetmap.org/search?q=shelter_type
>
> On Thu, May 19, 2016 at 6:09 AM, David Swarthout
>  wrote:
> > I would discourage the use of type as a key here as it is used to
> > differentiate between relations. Suggest shelter:type or something
> similar.
> > Cheers
> > Dave
> >
> > Get Outlook for iOS
> >
> >
> >
> >
> > On Wed, May 18, 2016 at 6:29 PM -0700, "Mark Bradley"
> >  wrote:
> >
> >> > From: Martin Koppenhoefer
> >> > To: "Tag discussion, strategy and related tools"
> >> >
> >> > Subject: Re: [Tagging] Mapping pergolas/arbors
> >> > >
> >> > > I know of some pergolas I would like to map.  (Wikipedia says other
> >> > > words for these features are "arbors" and "arbours.")  Looking on
> the
> >> > > wiki on the list of map features, there doesn't appear to be any
> >> > > established tags for these features, so I'm asking for suggestions
> >> > > before I make up my own.
> >> >
> >> >
> >> > maybe the key "building" could be used, values could be "pergola" or
> >> > "arbour" (BE
> >> > spelling). This is about a frame on which plants are intended to grow
> >> > for shade, right?
> >> >
> >> >
> >> > cheers,
> >> > Martin
> >>
> >>
> >> Yes Martin, you're correct.
> >>
> >> Based on the discussion here, I will plan to go with amenity=shelter,
> >> followed by type=pergola.
> >>
> >> Mark Bradley
> >>
> >>
> >>
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Re: [Tagging] building=digester

2016-05-19 Thread Marc Gemis
On Wed, May 18, 2016 at 6:45 PM, Marc Zoutendijk  wrote:
> And as a side note I could say:
> Combining man_made=* AND building=* on the same object (as is often done to 
> make it appear on the map) is as wrong as using highway=* and waterway=* on 
> the same object. It is one or the other, but cannot be both.

Marc, it seems like the person that added the building=digester does
not agree with you:
http://wiki.openstreetmap.org/wiki/User_talk:Travelling_salesman

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Re: [Tagging] Suggested way to map disputed country borders

2016-05-19 Thread Richard Fairhurst
Rory McCann wrote:
> Both of the example maps of Russia/Ukraine and India/Pakistan 
> require the use of another data set. Which is a shame. One should 
> be able to generate that from OSM entirely.

Why?

OSM's selling point is not "all geodata, ever, in one place". OSM's selling
point is personally researched data that reflects reality.

Richard



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Re: [Tagging] Suggested way to map disputed country borders

2016-05-19 Thread Colin Smale
I see two parallel subjects here: 

1) how do we represent disputed borders and "different versions of the
truth" in OSM 

2) how do we use that mechanism responsibly 

Whatever criteria are used for 2), the chances are there is always going
to be a need for 1). 

//colin

On 2016-05-19 12:08, Martin Koppenhoefer wrote:

> 2016-05-19 11:55 GMT+02:00 Simon Poole :
> 
>> The current mapping of de-facto boundaries of effective control is
>> easily defensible and has a certain logic that even the greatest
>> nationalists typically will accept (that knowing who really controls an
>> area is helpful in avoiding getting killed).
> 
> how would this help in the dispute between Italy and France about where the 
> mountain peak (area) of Mont Blanc / Monte Bianco belongs to [1]? Or for 
> offshore areas? Our aim should not be to satisfy officials, but to depict the 
> actual situation. Yes, control of the area is a very good indication where it 
> can be used, but things are not always so clear (areas without effective 
> control by one party do exist).
> 
> Most of the countries are involved in claims of disputed borders? Fine, then 
> it should be mapped like this, even if it doesn't please officials of one 
> country or another.
> 
> cheers, 
> Martin
> 
> [1] https://de.wikipedia.org/wiki/Grenzverlauf_auf_dem_Mont_Blanc 
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Re: [Tagging] Suggested way to map disputed country borders

2016-05-19 Thread Martin Koppenhoefer
2016-05-19 11:55 GMT+02:00 Simon Poole :

> The current mapping of de-facto boundaries of effective control is
> easily defensible and has a certain logic that even the greatest
> nationalists typically will accept (that knowing who really controls an
> area is helpful in avoiding getting killed).
>


how would this help in the dispute between Italy and France about where the
mountain peak (area) of Mont Blanc / Monte Bianco belongs to [1]? Or for
offshore areas? Our aim should not be to satisfy officials, but to depict
the actual situation. Yes, control of the area is a very good indication
where it can be used, but things are not always so clear (areas without
effective control by one party do exist).

Most of the countries are involved in claims of disputed borders? Fine,
then it should be mapped like this, even if it doesn't please officials of
one country or another.


cheers,
Martin


[1] https://de.wikipedia.org/wiki/Grenzverlauf_auf_dem_Mont_Blanc
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Re: [Tagging] Suggested way to map disputed country borders

2016-05-19 Thread Simon Poole
As somebody who regularly has to respond to complaints from officials
and others on boundary matters, I fail to see how mapping additional
borders (and a lot of them, given that there are nearly no countries
without disputes) is going to help. Matter of fact it is guaranteed to
make things worse and at the same time not help with legislation as in
China or proposed in India.

The current mapping of de-facto boundaries of effective control is
easily defensible and has a certain logic that even the greatest
nationalists typically will accept (that knowing who really controls an
area is helpful in avoiding getting killed).

Simply adding 100s if not 1000s of possible variants to OSM proper
(nothing against making them available elsewhere) will simply increase
the pressure from all sides to get their version of reality rendered on
osm.org (and other high profile sites).

Simon


Am 19.05.2016 um 10:05 schrieb Rory McCann:
> On 07/05/16 11:54, Andy Townsend wrote:
>> The problem with answering Rory's original question directly is that in
>> OSM we try and "map what's on the ground", and don't map stuff that's
>> never going to happen (for example, if a village thinks that it'd be
>> really nice if there was a bypass around it, but there's no concrete
>> proposal, no funding and no likelihood of it happening, we don't map
>> that bypass).  A number of territory claims are for national historic
>> pride reasons only and are unlikely ever to result in any changes to
>> actual administrative boundaries*.
> I'm not suggesting mapping every little "someone in $COUNTRY thinks
> $AREA should be in their country", I'm suggesting mapping areas which
> governments claim. Imagine you had to make a map for the government of
> $COUNTRY, and they required the borders to be one way. That's the kind
> of thing that I think should be in OSM. You should be able to use OSM,
> and only OSM, to make a map that is acceptable to any government.
>
> Both of the example maps of Russia/Ukraine and India/Pakistan require
> the use of another data set. Which is a shame. One should be able to
> generate that from OSM entirely.
>
> Rory
>
>
>
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Re: [Tagging] Suggested way to map disputed country borders

2016-05-19 Thread Martin Koppenhoefer
2016-05-19 10:05 GMT+02:00 Rory McCann :

> I'm not suggesting mapping every little "someone in $COUNTRY thinks
> $AREA should be in their country", I'm suggesting mapping areas which
> governments claim. Imagine you had to make a map for the government of
> $COUNTRY, and they required the borders to be one way. That's the kind
> of thing that I think should be in OSM. You should be able to use OSM,
> and only OSM, to make a map that is acceptable to any government.
>


yes, (well, sometimes there might not be a government, or there might be
more than one group claiming power over the same area), still, also those
"official" disputes are not few, there's a lot of them, and we should have
a way to store them in a neutral way (i.e. have all different
claims/versions and let the people using the data decide which one to show).
For reference (might not be complete):
https://en.wikipedia.org/wiki/List_of_territorial_disputes

Also this might be interesting, but isn't complete (because e.g. Germany
has dispute with the Netherlands about some maritime area, i.e. should be
red as well, but you already see it: almost every country has disputed
borders):
http://metrocosm.com/mapping-every-disputed-territory-in-the-world/

Cheers,
Martin
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Re: [Tagging] Suggested way to map disputed country borders

2016-05-19 Thread Rory McCann
On 07/05/16 11:54, Andy Townsend wrote:
> The problem with answering Rory's original question directly is that in
> OSM we try and "map what's on the ground", and don't map stuff that's
> never going to happen (for example, if a village thinks that it'd be
> really nice if there was a bypass around it, but there's no concrete
> proposal, no funding and no likelihood of it happening, we don't map
> that bypass).  A number of territory claims are for national historic
> pride reasons only and are unlikely ever to result in any changes to
> actual administrative boundaries*.

I'm not suggesting mapping every little "someone in $COUNTRY thinks
$AREA should be in their country", I'm suggesting mapping areas which
governments claim. Imagine you had to make a map for the government of
$COUNTRY, and they required the borders to be one way. That's the kind
of thing that I think should be in OSM. You should be able to use OSM,
and only OSM, to make a map that is acceptable to any government.

Both of the example maps of Russia/Ukraine and India/Pakistan require
the use of another data set. Which is a shame. One should be able to
generate that from OSM entirely.

Rory



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