Re: [Tagging] parking

2009-12-08 Thread Chris Hill
Roy Wallace wrote:
 How should a parking lot be tagged, that is provided for customers,
 e.g. at a restaurant, or retail business? It may be signed as such
 (e.g. Customers only), or may not. 
I would add access=permissive.  You can a note=* tag to describe it in 
more detail if you want.  That way if a more precise tagging system 
emerges then hopefully your note will assist later.

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Re: [Tagging] parking

2009-12-08 Thread Greg Troxel

Matthias Julius li...@julius-net.net writes:

 Chris Hill o...@raggedred.net writes:

 Roy Wallace wrote:
 How should a parking lot be tagged, that is provided for customers,
 e.g. at a restaurant, or retail business? It may be signed as such
 (e.g. Customers only), or may not. 
 I would add access=permissive.  You can a note=* tag to describe it in 
 more detail if you want.  That way if a more precise tagging system 
 emerges then hopefully your note will assist later.

 access=permissive does not imply any restriction on who can park
 there.  access=destination was also suggested, but IMO it expresses
 You may enter the parking lot if you plan to park here.

I think access=destination is natural and expresses concisely you can
park here if you are visiting an associated business.

streets with access=destination are really you can drive here if you
are visting someplace near it - even if you typically park in someone's
driveway off the access=destination way.


pgpzWbsfyqi4B.pgp
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Re: [Tagging] More cycleway=* values needed

2009-12-08 Thread Morten Kjeldgaard

On 08/12/2009, at 11.17, Steve Bennett wrote:

 Given this, it would be fair to say that the meaning of  
 cycleway=track is a two-way copenhagen-style bike lane.

If copenhagen-style refers to the danish capital, this is something  
of a misnomer; there are practically _always_ a one-way path in each  
side of the street in Copenhagen and the rest of Denmark. Two-way  
cycleways are quite rare.

Cheers,

Morten


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Re: [Tagging] parking

2009-12-08 Thread Randy
Greg Troxel wrote:


I think access=destination is natural and expresses concisely you can
park here if you are visiting an associated business.

streets with access=destination are really you can drive here if you
are visting someplace near it - even if you typically park in someone's
driveway off the access=destination way.

That sounds good to me, as well. If you want to tag a more permissive 
drive through, i.e., you can drive through here, but don't park unless 
you are visiting an associated business, then you can add a service road 
through the parking lot.

However, I don't think it's worth trying to tag any restrictions on those 
two or three slots in front of a shop in a strip shopping center that say 
parking for this shop only.

-- 
Randy


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Re: [Tagging] parking

2009-12-08 Thread Roy Wallace
On Wed, Dec 9, 2009 at 7:13 AM, Randy rwtnospam-new...@yahoo.com wrote:

I think access=destination is natural and expresses concisely you can
park here if you are visiting an associated business.
...

 That sounds good to me, as well.

So... access=destination seems to have some support. My issue is that
its use doesn't really reflect the wiki definition - which, at the
moment, is only really explained in relation to highways. At the
moment, access=destination is defined as the public has right of
access only if this is the only road to your destination. For
access=destination to be extended to parking areas, I think this would
need to be changed to something like: the public may access/use this
entity only if it is necessary to do so in order to get to your
destination.

Is this sufficient?

Secondly, Peter asked How should we tag a private corporate employee
car park ... where there are staff car parks and patient car pars and
they are different. This is a good point, and it can't be expressed
with access=destination. This is another reason why I'm still leaning
towards introducing parking=*, in which case the carpark for staff
would be parking=staff and for patients, parking=customer.

Thoughts? Change the definition of access=destination or introduce parking=*?

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Re: [Tagging] bicycle=no

2009-12-08 Thread Roy Wallace
On Wed, Dec 9, 2009 at 3:30 AM, Mike Harris mik...@googlemail.com wrote:
  ... On the last point - could we even deprecate designated= - I find it
 confusing and redundant and always use designation = (see wiki pages) - but
 maybe this is wrong?

Well, we could deprecate a lot of things - it just depends on what we
want to be able to tag, and how we choose to do it.

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Re: [Tagging] A first step towards bringing the wiki and tool support closer together

2009-12-08 Thread Roy Wallace
On Wed, Dec 9, 2009 at 2:33 AM, Steve Bennett stevag...@gmail.com wrote:

 Information about tag support is a *good* thing, not a bad one. I now
 realise that Mapnik doesn't recognise *any* sport=* tags, but that's not
 going to stop me using them. But it will make me be careful to always use it
 with a tag that it *does* support as well. See how this is beneficial?

I don't see how this is beneficial. As others have said, it just
encourages tagging for the *current implementation of* the renderer,
as opposed to tagging with a long-term view.

I strongly think taggers should not be influenced by the current
implementation of a handful of renderers. This yes/no information may
be beneficial, however, to those wanting to improve renderer style
files, i.e. to see which features they have yet to consider rendering.

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Re: [Tagging] A first step towards bringing the wiki and tool support closer together

2009-12-08 Thread Anthony
On Tue, Dec 8, 2009 at 7:30 PM, Cartinus carti...@xs4all.nl wrote:

 On Tuesday 08 December 2009 17:53:33 Anthony wrote:
  Information about tag support is a *good* thing, not a bad one. I now
  
   realise that Mapnik doesn't recognise *any* sport=* tags, but that's
 not
   going to stop me using them. But it will make me be careful to always
 use
   it with a tag that it *does* support as well. See how this is
 beneficial?
 
  Actually, I think that's a good example of the harmfulness in tagging for
 a
  renderer.  We shouldn't have redundant data in the database, at least
 when
  this is at all feasible.

 Wow, so now it is already harmfull to osm to know you have to map
 leisure=sports_centre|pitch|track|etc in addition to sport=* to have it
 show
 up with renderer X, but with renderer Y there would be no need for that.


No, sorry for the confusion.  The wiki is clear about sport=*: Since this
is a non-physical tag it should be combined with one of these (physical)
tags

It has nothing to do with the renderer, though.  In fact, the wiki
specifically cautions you not to worry about the renderer: Though most of
these tags are rendered when used stand-alone, a combination with a physical
tag is strongly encouraged to avoid misunderstandings.
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Re: [Tagging] A first step towards bringing the wiki and tool support closer together

2009-12-08 Thread Steve Bennett
On Wed, Dec 9, 2009 at 4:32 AM, Jochen Topf joc...@remote.org wrote:

 First comment though: Please, please start making a distinction between the
 rendering software (Mapnik) and the style file is uses and the map it
 creates,
 respectively. This is already problematic. It should not be called
 Mapnik-support, but something like Default OSM Map-support. We should
 come up with nice name for the default map.


Sorry, you're absolutely right. The confusion arises from the fact that the
Default OSM Mapnik layer on the main openstreetmap.org view is called
Mapnik. It probably shouldn't be.



 Second comment: As always, its not that easy. You can't just read osm.xml.
 At least you have to take the osm2pgsql config into account. Also you
 probably


Sure, can you give me a few pointers? I haven't got Mapnik or running.


 People can check it, improve it


Well, improve the generation method. Hand tweaking would be the wrong
approach.


 and get some experience about its usefulness.

 Just an idea: If you really want to check what the renderer renders and
 what
 not, how about creating a osm test file with all the different tags ins
 there,
 send it through the renderer and check whether the bitmap is empty. If it
 contains something in the right spot, you know the tag is supported. This
 is
 totally renderer and style agnostic reasonably easy to automate.


Yes...but from what I gather, getting Mapnik installed locally is quite
complex. Or maybe I'm confusing it with getting slippymap/tileserver
installed. I'm new to all this.

Steve
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Re: [Tagging] parking

2009-12-08 Thread Stephen Hope
2009/12/9 Randy rwtnospam-new...@yahoo.com:
 On further thought, while I'm OK with either approach, I think
 amenity=parking, parking=customer is a better way to go than bending
 access=destination to fit the issue. It seems a little closer to what
 seems to be a best practice in other areas.

 And, it does establish a structure for other potential parking
 restrictions, if they come up, such as parking=student parking=staff
 and parking=visitor at a college, Or even parking=A where only those
 with an A lot sticker are allowed. That may be a little too cryptic for
 a tag, but I think it makes the point. This would also set the system up
 for something like parking:max_time=1hr.


Also things like Short term and Long term parking areas near airports,
ferrys, etc. Max stay is good for marking how long you can stay, but
it doesn't show that there is a minimum time (which some long term
parks have).

Also, parking areas for long vehicles only (trucks, buses, caravans
etc), which are quite common at some of the bigger service stops/rest
areas near here. I know at least one driver personally who keeps a
special map tagged up with those around the country.

Stephen

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Re: [Tagging] A first step towards bringing the wiki and tool support closer together

2009-12-08 Thread Steve Bennett
On Wed, Dec 9, 2009 at 9:09 AM, Roy Wallace waldo000...@gmail.com wrote:

 I don't see how this is beneficial. As others have said, it just
 encourages tagging for the *current implementation of* the renderer,
 as opposed to tagging with a long-term view.


Ok, can someone point me to the policy that says don't tag for the
renderer? I can't find it. It keeps being quoted like a fundamental axiom.

Steve
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Re: [Tagging] A first step towards bringing the wiki and tool support closer together

2009-12-08 Thread Craig Wallace

On 09/12/2009 01:27, Steve Bennett wrote:
On Wed, Dec 9, 2009 at 9:09 AM, Roy Wallace waldo000...@gmail.com 
mailto:waldo000...@gmail.com wrote:


I don't see how this is beneficial. As others have said, it just
encourages tagging for the *current implementation of* the renderer,
as opposed to tagging with a long-term view.


Ok, can someone point me to the policy that says don't tag for the 
renderer? I can't find it. It keeps being quoted like a fundamental 
axiom.



See these pages:
http://wiki.openstreetmap.org/wiki/Good_practice
http://wiki.openstreetmap.org/wiki/Tagging_for_the_renderer

As that page says, its probably more acurrate to say Don't deliberately 
tag incorrectly for the renderer.


Craig
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Re: [Tagging] A first step towards bringing the wiki and tool support closer together

2009-12-08 Thread Steve Bennett
On Wed, Dec 9, 2009 at 2:02 PM, Craig Wallace craig...@fastmail.fm wrote:

 See these pages:
 http://wiki.openstreetmap.org/wiki/Good_practice
 http://wiki.openstreetmap.org/wiki/Tagging_for_the_renderer

 As that page says, its probably more acurrate to say Don't deliberately
 tag incorrectly for the renderer.


Whew, that's a relief. I would never suggest tagging doing that. Nor would
listing the tags currently recognised by any renderer encourage anyone to do
that.

Incidentally:



The following pages link to *Tagging for the
rendererhttp://wiki.openstreetmap.org/wiki/Tagging_for_the_renderer
*:

   - Good practice http://wiki.openstreetmap.org/wiki/Good_practice (←
   
linkshttp://wiki.openstreetmap.org/index.php?title=Special:WhatLinksHeretarget=Good_practice
   )
   - Talk:Interstate Highways
Relationshttp://wiki.openstreetmap.org/wiki/Talk:Interstate_Highways_Relations
   (← 
linkshttp://wiki.openstreetmap.org/index.php?title=Special:WhatLinksHeretarget=Talk:Interstate_Highways_Relations
   )
   - RU:Good practice http://wiki.openstreetmap.org/wiki/RU:Good_practice
   (← 
linkshttp://wiki.openstreetmap.org/index.php?title=Special:WhatLinksHeretarget=RU:Good_practice
   )
   - Talk:Proposed
features/orchardhttp://wiki.openstreetmap.org/wiki/Talk:Proposed_features/orchard
   (← 
linkshttp://wiki.openstreetmap.org/index.php?title=Special:WhatLinksHeretarget=Talk:Proposed_features/orchard
   )
   - Ja:Good practice http://wiki.openstreetmap.org/wiki/Ja:Good_practice
   (← 
linkshttp://wiki.openstreetmap.org/index.php?title=Special:WhatLinksHeretarget=Ja:Good_practice
   )



Could I politely suggest that more wiki linking is required? :)

Steve
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Re: [Tagging] More cycleway=* values needed

2009-12-08 Thread Steve Bennett
On Wed, Dec 9, 2009 at 5:43 AM, Morten Kjeldgaard m...@bioxray.dk wrote:


 On 08/12/2009, at 11.17, Steve Bennett wrote:

  Given this, it would be fair to say that the meaning of
  cycleway=track is a two-way copenhagen-style bike lane.

 If copenhagen-style refers to the danish capital, this is something
 of a misnomer; there are practically _always_ a one-way path in each
 side of the street in Copenhagen and the rest of Denmark. Two-way
 cycleways are quite rare.


I was a bit unclear.

copenhagen-style bike lane = single way by default.
I was suggesting that cycleway=track, tagged on a road, would mean a
*two-way* copenhagen-style bike lane, because cycleway=* is two-way by
default, track= means segregated from other traffic, and that's what the
logical combination of those two ideas would mean.

Steve
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Re: [Tagging] More cycleway=* values needed

2009-12-08 Thread Steve Bennett
On Wed, Dec 9, 2009 at 9:59 AM, Richard Mann 
richard.mann.westoxf...@googlemail.com wrote:

 While we're about it, there's a few other potential values for cycleway
 (for interest mainly):

 cycleway=buslane (shared with buses)


Has potential.


 cycleway=filterlane (explicitly shared with nearside-turning traffic)


Has potential.


 cycleway=tight (nearside lane is shared with traffic and is 3.1m wide


Two descriptive. Sounds awfully much like cycleway=no to me.


 cycleway=spacious (nearside lane is shared with traffic and is 3.7m wide,
 more if typical traffic speed is faster than 40kph)


There's something here. If you look at:

http://www.nearmap.com/?ll=-37.859974,145.16891z=21t=k

This is Springvale Rd, in Melbourne's eastern suburbs. I'm told that that
left lane (on the northbound side) is deliberately wider to cater for
cyclists. It's not really a bike lane, but there is some benefit for
cyclists there.



 cycleway=critical (nearside lane is shared with traffic and between tight
 and spacious)


Nah.

Steve
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Re: [Tagging] bicycle=no

2009-12-08 Thread Steve Bennett
On Wed, Dec 9, 2009 at 9:11 AM, Roy Wallace waldo000...@gmail.com wrote:

 On Wed, Dec 9, 2009 at 3:06 AM, Anthony o...@inbox.org wrote:
  On Tue, Dec 8, 2009 at 11:58 AM, Steve Bennett stevag...@gmail.com
 wrote:
 
  IMHO, it wouldn't be hard to make objective assessments if that's what
 we
  wanted to do. You could have suitability=:
  *None: surface physically cannot be ridden on, big boulders, trees etc.
  *Poor: Can be ridden on, but only by keen mountain bikers. Grass, very
  rough gravel, frequent steps etc.
  *Average: Generally smooth, but with enough obstacles that you would
 take
  a better way if you had the choice. Wide enough to ride, but not
 comfortably
  pass a pedestrian.
  *Good: Wide, smooth, few obstacles. Kerbs generally eliminated.
  *Excellent: Wide, very smooth, long stretches of several kilometres
  between any kind of obstacle. Cyclists can comfortably pass at speed.
  Forbidden to non-cyclists.
 
  Seems to all be covered by:
 
  http://wiki.openstreetmap.org/wiki/Key:smoothness
  http://wiki.openstreetmap.org/wiki/Key:surface
  http://wiki.openstreetmap.org/wiki/Key:width
  http://wiki.openstreetmap.org/wiki/Key:access


Yes...but again, OpenStreetMap is a *map*, it's not just a collection of
data. By all means, tag all this stuff, but higher-order interpretations of
that data are what *mapping* is about. Ideally, we would not invent our own
standards though, but apply existing ones.

(Also, more pragmatically: bicycle_suitability:average is a lot easier to
tag, and doesn't require marking up every time the surface changes from
gravel to crushed limestone, or changes width from 1.6m to 1.4m. Using all
those tags would be far too fine-grained.)

Steve
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Re: [Tagging] bicycle=no

2009-12-08 Thread Roy Wallace
On Wed, Dec 9, 2009 at 1:21 PM, Steve Bennett stevag...@gmail.com wrote:

 Yes...but again, OpenStreetMap is a *map*, it's not just a collection of data.

I don't think this is necessarily true - or maybe I just don't know
what you mean. It's a collection of meaningful data. The only thing
that makes the OSM database like a map is the fact that the entities
are associated with a latitude and longitude.

 By all means, tag all this stuff, but higher-order interpretations of that 
 data are what *mapping* is about. Ideally, we would not invent our own 
 standards though, but apply existing ones.

It depends what you mean by mapping. Do you mean cartography? If so,
I think that is the job of the user (e.g. renderer) moreso than the
tagger.

 (Also, more pragmatically: bicycle_suitability:average is a lot easier to 
 tag, and doesn't require marking up every time the surface changes from 
 gravel to crushed limestone, or changes width from 1.6m to 1.4m. Using all 
 those tags would be far too fine-grained.)

Ok, sure, being easy to tag is good, but you have to weigh it up
against the disadvantages, including not being directly verifiable. If
you've done this and still come to the conclusion that
bicycle_suitability is better, then go for it - write up a proposal
and RFC :)

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Re: [Tagging] A first step towards bringing the wiki and tool support closer together

2009-12-08 Thread Roy Wallace
On Wed, Dec 9, 2009 at 1:02 PM, Craig Wallace craig...@fastmail.fm wrote:

 See these pages:
 http://wiki.openstreetmap.org/wiki/Good_practice
 http://wiki.openstreetmap.org/wiki/Tagging_for_the_renderer

 As that page says, its probably more acurrate to say Don't deliberately tag
 incorrectly for the renderer.

Yup, but to tag *correctly* for the renderer is simply to tag correctly. :P

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Re: [Tagging] parking

2009-12-08 Thread Roy Wallace
On Wed, Dec 9, 2009 at 1:02 PM, Steve Bennett stevag...@gmail.com wrote:

 How about this:

 parking=public (or no parking tag), presumably anyone can park here, perhaps
 at a small fee.
 parking=commercial: anyone can park here, it's a business.
 parking=customer: anyone using the services of an associated organisation
 can park. May require payment.
 parking=authorised: you can park here only if authorised: staff member,
 member of club,  etc. Basically, you would need a prior arrangement.

Hmm, I've just noticed that parking=* is already defined on the wiki
as multi-storey, underground or surface
(http://wiki.openstreetmap.org/wiki/Tag:amenity%3Dparking).

In that case maybe we should continue trying to bend access to fit
the purpose, or aim for something more like:

parking=multi-storey/underground/surface
parking:who=public/customer/authorised

Commercial doesn't fit here - equivalent to public. I'm not sure about
parking:who...

 I think the goal is to give broadly useful information rather than to map
 all the subtle nuances.

Yep.

 I wonder if there be some kind of parking=private for things like parking
 spaces near apartment buildings, or spots inside company grounds, but there
 may not be enough distinction against authorised.

Good point. I'm not sure. I would think in this case you would maybe
leave parking:who blank, and just use an appropriate access=* tag on
the road/driveway leading to it.

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