Re: [Tagging] natural=bay as nodes are evil

2014-10-30 Thread Marc Gemis
Could we try an example to see whether mappers agree on bay areas ? could
you draw the Gulf of Biscay on a map ?

This guy did it :
http://1.bp.blogspot.com/_-9_Y031ZiZQ/THowBMn81dI/Ci8/inSvDDa1DC4/s1600/Golf+van+Biskaje.jpg

I might have extended it a bit further to the west on the Spanish coast...

regards

m

On Wed, Oct 29, 2014 at 6:12 PM, moltonel 3x Combo molto...@gmail.com
wrote:

 On 29/10/2014, Richard Z. ricoz@gmail.com wrote:
  On Tue, Oct 28, 2014 at 05:21:06PM +0100, moltonel 3x Combo wrote:
  On 28/10/2014, Richard Z. ricoz@gmail.com wrote:
  well even if the issues were nonexistent, mapping the area of a bay seems
  to me like mapping an artificially introduced concept for which there is
  very little real world use or recognition otherwise.

 Huh ? Forget about maps and osm for a moment. A bay is a body of
 water mostly surrounded by land. You're in a bay, not at a bay.
 It has a size, it's not a point in space with a buoy marking the spot.
 It's an area.

 The fact that a lot of sources have simplified it down to a point is
 an entirely different issue. But there's no reason that, with modern
 tools and manpower, we can't make a better job than those historical
 sources. And remember that when you see a rendered bay label, you
 don't actually know wether the source (wether it's some vector data or
 an idea in the sailor's brain) was an area or a point to begin with.

  Also bays with very
  flat or deep geometry will result in disproportionately small areas so
  mappers may feel compelled to do some ugly workarounds if the name of the
  bay isn't shown as expected.

 Disproportionate compared to what ? And fairly flat coastlines are a
 good example of cases that are tricky for algorythms, where the human
 mapper can probably make a better decision.

  So I would say
  * if there is some other reason valid to map the bay as area, do it

 pros:
  - bays are areas in real life
  - it makes geocoding trivial
  - it makes knowing which bays to render preferably easy (bigger bays
 first)
  - it enables representing nested bays
  - it is deterministic, as opposed to relying on a heuristic algorythm
 cons:
  - relations are harder to work with than nodes
  - the extent of bays is usually fuzzy; nodes make that fuzzyness obvious
  - most of the existing data (osm and potential imports) are nodes

 YMMV, those are reasons enough for me.

  * something better needs to be invented for hinting the renderer.

 It's not just the renderer, I actually think that the geocoding
 usacase is more important. And geocoding requires an area, wether it
 is provided in readily-usable form as osm data, or by a
 heuristics-based algorythm that infers it from a node.

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Re: [Tagging] natural=bay as nodes are evil

2014-10-30 Thread Bryce Nesbitt
A lot of the bay points were imported.
Many bays do not have firm boundaries.

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Re: [Tagging] How to tag severely destroyed forest track?

2014-10-30 Thread Bryce Nesbitt
I've had exactly the same difficulty...
tracktype/sac_scale/track_visibility/surface none of which capture
the difference between a road a Toyota corolla could handle, and
something that would be hard for a dirt bike to handle.

Difficult roads usually are so because of: steepness / lack of
maintenance / clearance required / seasonal moisture.

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Re: [Tagging] what does maxheight=none mean?

2014-10-30 Thread Pieren
On Wed, Oct 29, 2014 at 6:24 PM, moltonel 3x Combo molto...@gmail.com wrote:

 And both tags are
 definitive, whereas maxheight:signed=no (or whatever) is just
 waiting for a better tooled or experienced mapper to do the survey.

No. The survey is done : there is no legal height restriction under
this bridge. Of course, anyone is free to come back and add more tags
like the physical height or the material and 3d shape of the bridge,
etc. But the most interesting information for apps checking clearance
(e.g. for routing) is there = no legal restriction here.

Pieren

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Re: [Tagging] natural=bay as nodes are evil

2014-10-30 Thread Richard Z.
On Thu, Oct 30, 2014 at 08:41:18AM +0100, Marc Gemis wrote:
 Could we try an example to see whether mappers agree on bay areas ? could
 you draw the Gulf of Biscay on a map ?
 
 This guy did it :
 http://1.bp.blogspot.com/_-9_Y031ZiZQ/THowBMn81dI/Ci8/inSvDDa1DC4/s1600/Golf+van+Biskaje.jpg
 
 I might have extended it a bit further to the west on the Spanish coast...

note that the big bodies of water such as the bay of biscay have been defined
by the international hydropgraphic organization, wikipedia provides the link.

Those definitions should be probably mapped, but most likely with a special tag 
rather than our natural=bay because their definition of gulf of mexico is 
obviously 
not compatible with our definition of bay (refering to the sentence fragment 
in Cuba, 
through this island to the meridian of 83°W which includes a landmas to the
definition)

Richard

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Re: [Tagging] natural=bay as nodes are evil

2014-10-30 Thread Michael Kugelmann

On 30.10.2014 12:51, Richard Z. wrote:

their definition of gulf of mexico is obviously
not compatible with our definition of bay
IMHO: this has some similarities to definition of regions like the 
Alps or the Rocky Mountains...



Cheers,
Michael.


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Re: [Tagging] natural=bay as nodes are evil

2014-10-30 Thread Ilpo Järvinen
On Thu, 30 Oct 2014, Marc Gemis wrote:

 Could we try an example to see whether mappers agree on bay areas ? could
 you draw the Gulf of Biscay on a map ?
 This guy did it: 
 http://1.bp.blogspot.com/_-9_Y031ZiZQ/THowBMn81dI/Ci8/inSvDDa1DC4
 /s1600/Golf+van+Biskaje.jpg 
 I might have extended it a bit further to the west on the Spanish coast...

Would it be possible that locals around that region of the coastline would 
know it better than tagging@ ? ...If so, then the usual argument for OSM 
taking advantage of mappers' local knowledge applies also here and we 
should defer determining that boundary point more accurately to a local 
mapper.


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Re: [Tagging] [OSM-talk] Release openstreetmap-carto v2.23.0

2014-10-30 Thread Martin Koppenhoefer
2014-10-29 21:56 GMT+01:00 Mateusz Konieczny matkoni...@gmail.com:

 http://wiki.openstreetmap.org/wiki/Tag:tourism%3Dguest_house as currently
 defined
 fits private residence where a single bedroom is made available to
 tourists.

 It is even mentioned - ranging from purpose-built guest houses
 to family-based BedBreakfast



btw.:  that wiki page seems to have other issues as well. What is the
reason to exclude places with staff available 24/7? Can't they be guest
houses any more? What is the tag for a guest house with  staff available
24/7?

I agree that a guest house (the ones that I know in Germany that are called
like this) and a bed and breakfast are (or can be) different kind of
accomodation places.

cheers,
Martin
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[Tagging] Feature proposal - Street cabinet - Voting

2014-10-30 Thread François Lacombe
Hi,

I'm pleased to announce the start of voting process for the Street Cabinet
proposal
http://wiki.openstreetmap.org/wiki/Proposed_features/Street_cabinet

It's been a while this proposal hasn't been commented and tagging scheme
sounds consistent.
These features are useful on map for accessibility and infrastructure
knowledge.

Don't hesitate to give your feedback at the bottom of the page.


Many thanks in advance,
all the best.


*François Lacombe*

francois dot lacombe At telecom-bretagne dot eu
http://www.infos-reseaux.com
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Re: [Tagging] [OSM-talk] Release openstreetmap-carto v2.23.0

2014-10-30 Thread phil
If staff are available 24/7 I would call that a hotel.

Phil (trigpoint )

On Thu Oct 30 2014 13:24:02 GMT+ (GMT), Martin Koppenhoefer wrote:
 2014-10-29 21:56 GMT+01:00 Mateusz Konieczny matkoni...@gmail.com:
 
  http://wiki.openstreetmap.org/wiki/Tag:tourism%3Dguest_house as currently
  defined
  fits private residence where a single bedroom is made available to
  tourists.
 
  It is even mentioned - ranging from purpose-built guest houses
  to family-based BedBreakfast
 
 
 
 btw.:  that wiki page seems to have other issues as well. What is the
 reason to exclude places with staff available 24/7? Can't they be guest
 houses any more? What is the tag for a guest house with  staff available
 24/7?
 
 I agree that a guest house (the ones that I know in Germany that are called
 like this) and a bed and breakfast are (or can be) different kind of
 accomodation places.
 
 cheers,
 Martin


-- 
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Re: [Tagging] [OSM-talk] Release openstreetmap-carto v2.23.0

2014-10-30 Thread Andreas Labres
There are some different terms for lodging, bed  breakfast, guest house,
boarding house, pension, inn, hostel, motel, appartment house (?), chalet, and
hotel. Guest house seems to be (plz correct me) a generic term for bed 
breakfast as well as pension as well as inn. Maybe these should be sortet out
somewhat useful... and it should be matched with, say, our German terms.

BTW, rendering of typical Gasthaus/Gasthof which mainly is a restaurant as
well as offers some rooms to stay - these should be rendered differently than a
guest house! Currently they are rendered like a pension, omitting the (most
important) restaurant part.

/al

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[Tagging] mixed guesthouse/hotel with restaurants (was Re: [OSM-talk] Release openstreetmap-carto v2.23.0)

2014-10-30 Thread Holger Jeromin
Andreas Labres wrote on 30.10.2014 15:06:
 There are some different terms for lodging, bed  breakfast, guest house,
 boarding house, pension, inn, hostel, motel, appartment house (?), chalet, and
 hotel. Guest house seems to be (plz correct me) a generic term for bed 
 breakfast as well as pension as well as inn. Maybe these should be sortet out
 somewhat useful... and it should be matched with, say, our German terms.
 
 BTW, rendering of typical Gasthaus/Gasthof which mainly is a restaurant as
 well as offers some rooms to stay - these should be rendered differently 
 than a
 guest house! Currently they are rendered like a pension, omitting the (most
 important) restaurant part.

Can you give an example?

http://www.openstreetmap.org/way/85069658
omittes the guest_house information.

rendering both (hotel or guesthouse with restaurant) was rejected here
as a wrong tagging:

https://github.com/gravitystorm/openstreetmap-carto/issues/969

-- 
greetings
Holger Jeromin


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Re: [Tagging] mixed guesthouse/hotel with restaurants (was Re: [OSM-talk] Release openstreetmap-carto v2.23.0)

2014-10-30 Thread Philip Barnes
On Thu, 2014-10-30 at 15:15 +0100, Holger Jeromin wrote:
 Andreas Labres wrote on 30.10.2014 15:06:
  There are some different terms for lodging, bed  breakfast, guest house,
  boarding house, pension, inn, hostel, motel, appartment house (?), chalet, 
  and
  hotel. Guest house seems to be (plz correct me) a generic term for bed 
  breakfast as well as pension as well as inn. Maybe these should be sortet 
  out
  somewhat useful... and it should be matched with, say, our German terms.
  
  BTW, rendering of typical Gasthaus/Gasthof which mainly is a restaurant as
  well as offers some rooms to stay - these should be rendered differently 
  than a
  guest house! Currently they are rendered like a pension, omitting the (most
  important) restaurant part.
 
 Can you give an example?
 
 http://www.openstreetmap.org/way/85069658
 omittes the guest_house information.
 
 rendering both (hotel or guesthouse with restaurant) was rejected here
 as a wrong tagging:
 
 https://github.com/gravitystorm/openstreetmap-carto/issues/969
 
There was a similar discussion on tagging of pub/hotels, which are
common in the UK.

https://lists.openstreetmap.org/pipermail/talk/2013-September/068245.html


Phil (trigpoint)


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Re: [Tagging] Feature proposal - Street cabinet - Voting

2014-10-30 Thread Art Penteur
A minimal remark :

Given that british english spelling is usually prerferred for tags, the
colour description tag should be colour rather than color.

Art.
Le 30 oct. 2014 14:28, François Lacombe 
francois.laco...@telecom-bretagne.eu a écrit :

 Hi,

 I'm pleased to announce the start of voting process for the Street Cabinet
 proposal
 http://wiki.openstreetmap.org/wiki/Proposed_features/Street_cabinet

 It's been a while this proposal hasn't been commented and tagging scheme
 sounds consistent.
 These features are useful on map for accessibility and infrastructure
 knowledge.

 Don't hesitate to give your feedback at the bottom of the page.


 Many thanks in advance,
 all the best.


 *François Lacombe*

 francois dot lacombe At telecom-bretagne dot eu
 http://www.infos-reseaux.com

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Re: [Tagging] natural=bay as nodes are evil

2014-10-30 Thread Brad Neuhauser
I think this appears to be the reference Richard mentioned:
http://www.iho-ohi.net/iho_pubs/standard/S-23/S23_1953.pdf

On Thu, Oct 30, 2014 at 6:51 AM, Richard Z. ricoz@gmail.com wrote:

 On Thu, Oct 30, 2014 at 08:41:18AM +0100, Marc Gemis wrote:
  Could we try an example to see whether mappers agree on bay areas ? could
  you draw the Gulf of Biscay on a map ?
 
  This guy did it :
 
 http://1.bp.blogspot.com/_-9_Y031ZiZQ/THowBMn81dI/Ci8/inSvDDa1DC4/s1600/Golf+van+Biskaje.jpg
 
  I might have extended it a bit further to the west on the Spanish
 coast...

 note that the big bodies of water such as the bay of biscay have been
 defined
 by the international hydropgraphic organization, wikipedia provides the
 link.

 Those definitions should be probably mapped, but most likely with a
 special tag
 rather than our natural=bay because their definition of gulf of mexico is
 obviously
 not compatible with our definition of bay (refering to the sentence
 fragment in Cuba,
 through this island to the meridian of 83°W which includes a landmas to
 the
 definition)

 Richard

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Re: [Tagging] Feature proposal - Street cabinet - Voting

2014-10-30 Thread François Lacombe
You're definetly right, thank you.

Furthermore, colour is widely used
http://taginfo.openstreetmap.org/keys/colour

I don't know why I didn't realize this before.

Proposal and example are up to date.

*François Lacombe*

francois dot lacombe At telecom-bretagne dot eu
http://www.infos-reseaux.com

2014-10-30 15:48 GMT+01:00 Art Penteur art.pent...@gmail.com:

 A minimal remark :

 Given that british english spelling is usually prerferred for tags, the
 colour description tag should be colour rather than color.

 Art.
 Le 30 oct. 2014 14:28, François Lacombe 
 francois.laco...@telecom-bretagne.eu a écrit :

 Hi,

 I'm pleased to announce the start of voting process for the Street
 Cabinet proposal
 http://wiki.openstreetmap.org/wiki/Proposed_features/Street_cabinet

 It's been a while this proposal hasn't been commented and tagging scheme
 sounds consistent.
 These features are useful on map for accessibility and infrastructure
 knowledge.

 Don't hesitate to give your feedback at the bottom of the page.


 Many thanks in advance,
 all the best.


 *François Lacombe*

 francois dot lacombe At telecom-bretagne dot eu
 http://www.infos-reseaux.com

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Re: [Tagging] Feature proposal - Street cabinet - Voting

2014-10-30 Thread Tom Pfeifer

Hi,
I like the proposal, and the picture is very sympathetic.

I would suggest to consider garbage collection cabinets as well,
https://www.google.com/search?q=müllschranktbm=isch
which are found in some towns to collect waste individually per house
and are often lockable (as opposed to public recycling containers).

Also it would be good to have guidelines at what size the structure
is considered a cabinet, and where building starts. For example
power substations could come in any possible size.

tom

François Lacombe wrote on 2014-10-30 14:25:

Hi,

I'm pleased to announce the start of voting process for the Street Cabinet 
proposal
http://wiki.openstreetmap.org/wiki/Proposed_features/Street_cabinet

It's been a while this proposal hasn't been commented and tagging scheme sounds 
consistent.
These features are useful on map for accessibility and infrastructure knowledge.

Don't hesitate to give your feedback at the bottom of the page.


Many thanks in advance,
all the best.


*François Lacombe*

francois dot lacombe At telecom-bretagne dot eu
http://www.infos-reseaux.com



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Re: [Tagging] Feature proposal - Street cabinet - Voting

2014-10-30 Thread François Lacombe
I would suggest street_cabinet=garbage for the equipment you've mentioned.

A cabinet is a feature where workers can't enter.
A building is the opposite.

Then, substations and other stuff can be divided between those two sorts.

*François Lacombe*

francois dot lacombe At telecom-bretagne dot eu
http://www.infos-reseaux.com

2014-10-30 17:37 GMT+01:00 Tom Pfeifer t.pfei...@computer.org:

 Hi,
 I like the proposal, and the picture is very sympathetic.

 I would suggest to consider garbage collection cabinets as well,
 https://www.google.com/search?q=müllschranktbm=isch
 which are found in some towns to collect waste individually per house
 and are often lockable (as opposed to public recycling containers).

 Also it would be good to have guidelines at what size the structure
 is considered a cabinet, and where building starts. For example
 power substations could come in any possible size.

 tom

 François Lacombe wrote on 2014-10-30 14:25:

 Hi,

 I'm pleased to announce the start of voting process for the Street
 Cabinet proposal
 http://wiki.openstreetmap.org/wiki/Proposed_features/Street_cabinet

 It's been a while this proposal hasn't been commented and tagging scheme
 sounds consistent.
 These features are useful on map for accessibility and infrastructure
 knowledge.

 Don't hesitate to give your feedback at the bottom of the page.


 Many thanks in advance,
 all the best.


 *François Lacombe*

 francois dot lacombe At telecom-bretagne dot eu
 http://www.infos-reseaux.com



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Re: [Tagging] Feature proposal - Street cabinet - Voting

2014-10-30 Thread Tom Pfeifer

François Lacombe wrote on 2014-10-30 21:42:

I would suggest street_cabinet=garbage for the equipment you've mentioned.


maybe =waste is more consistent with existing tags such as
amenity=waste disposal, amenity=waste basket or
generator:source=waste

Garbage is less used in tags so far.


A cabinet is a feature where workers can't enter.
A building is the opposite.

 Then, substations and other stuff can be divided between those two sorts.

That's a very plausible distinction and should be documented.

tom



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