Re: [OSM-talk] Proliferation of path vs. footway

2009-08-20 Thread Mike Harris
Nop

A very good way of trying to draw some of the thoughts together - although a
very challenging project! Full marks for the effort anyway! I have added a
few extra bits and pieces to the wiki page to highlight some more existing
tags and practices that probably need to be brought into a consolidation
attempt.

Mike Harris

-Original Message-
From: ekkeh...@gmx.de [mailto:ekkeh...@gmx.de] 
Sent: 19 August 2009 16:22
To: talk@openstreetmap.org
Subject: [OSM-talk] Proliferation of path vs. footway


Hi!

The discussion has died down again. Much was said and I even had the
impression that there was a little progress in some details. But, as usual,
we don't have a result.

Therefore I have started a consolidation page in the wiki to collect the
problems, use cases and ideas for resolving them. I would like to invite all
of you who are interested in working on the matter to contribute your
recollection to the page and maybe develop it into a solution proposal that
is not a one-man endeavour but well discussed by a group of people.

You'll find the start of it here:
http://wiki.openstreetmap.org/wiki/Consolidation_footway_cycleway_path

Once we have collected the pieces from this discussion, it might be a good
idea to invite folks on national mailing lists to join in and contribute
their use cases.

bye
Nop



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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-18 Thread Hatto von Hatzfeld
Nop wrote:

 Hatto von Hatzfeld schrieb:
  
 Official is new and has only one meaning.
 
From Map features: official is used for ways dedicated to a certain mode
of travel by law. Usually indicated by a traffic sign.
 
 I really do not see where the use of designated has differed from this
 definition.
 
 Which of the 5 definitions of designated do you mean? :-)

*You* talked about 5 different meanings documented in the wiki. I found that
all of them say something like specially designated (typically by a
government) for use by a particular mode (or modes) of transport. You
missed my central point when you skipped this phrase in your answer.
 
 Just read this topic from the beginning and you should understand.

I have read most of this discussion - but instead of reading it twice I
prefer to go out for mapping some cycleways ...

By the way: Just read
http://lists.openstreetmap.org/pipermail/talk-de/2008-December/031057.html
(and the following discussion) and you should understand what I mean.

Bye,
Hatto



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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-17 Thread Nick Whitelegg
 Whiteleggnick.whitel...@solent.ac.uk wrote:
 In the UK I would tag such a path as 
foot=designated;bicycle=permissive;
 and pragmatically highway=footway for the moment, using the
 generally-accepted definition of footway as urban surfaced path
 (though would prefer highway=path; surface=paved)

 That is not the definition of footway. highway=footway is For
 designated footpaths, i.e. mainly/exclusively for pedestrians.

 that's the recent wiki recommendation, but I guess footway is far
 older than this definition from Jan 08. Don't know how many footways
 have been in the  db till then and how many were added afterwards not
 corresponding to this definition, but might be lots ;-)


Sure, but perpetuating deprecated definitions via the mailing list
without specifically indicating them as such (deprecated) is IMHO
damaging.

My comment on footway meaning urban surfaced path was based on many 
recent mailing list discussions which seem to indicate that there was a 
tendency to use footway for urban paths and path for mud/dirt/rock 
paths in the countryside. Based on that perceived tendency, plus my own 
preferences, that's what I've been doing recently.

Nick


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-17 Thread Hatto von Hatzfeld
Roy Wallace wrote:

 On Thu, Aug 13, 2009 at 9:49 PM, Richard
 Mannrichard.mann.westoxf...@googlemail.com wrote:

 The deprecation of footway/cycleway was
 voted on (by not many people, but nevertheless), and the deprecation was
 rejected, but some people don't seem to be able to take no for an answer.
 
 It was? Maybe that was before my time.

On http://wiki.openstreetmap.org/wiki/Approved_features/Path you may count
how many people approved the proposal but explicitly opposed the
deprecation of existing tags.

Hatto



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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-17 Thread Hatto von Hatzfeld
Martin Koppenhoefer wrote:

 2009/8/13 Nop ekkeh...@gmx.de:
 Proposal #2: Introduce offical dedication
 Leave old tags as they are and accept that foot/cycleway and designated
 are as fuzzy as described above. Clarify that these tags only give
 information on possible use, but not about the legal situation.
 Introduce a new tag biclyce/foot=official to tag the strict use case of
 road-signed ways or corresponding legal dedication.

 This way, nothing needs to be changed in existing fuzzy tagging, but
 real foot/cycleways are simply tagged by adding an official or
 changing designated to official if appropriate.
 
 IMHO if this solution is chosen we should also deprecate designated,
 as it is of no more use, and would just lead to possible problems when
 contradictory to official.

I appreciate Nop's proposal - but why replace designated by official? I
do not see that designated has been used in the past with a meaning
differing from what official would be used for in future.

Or did I miss anything in this discussion?

Hatto



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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-17 Thread Tobias Knerr
Hatto von Hatzfeld wrote:
 On http://wiki.openstreetmap.org/wiki/Approved_features/Path you may count
 how many people approved the proposal but explicitly opposed the
 deprecation of existing tags.

Yes, many participants opposed the deprecation, as did I. However, I
wanted to keep those tags as clearly defined shortcuts for common key
combinations (that is, highway=footway e.g. should be exactly the same
as highway=path + foot=designated), simply to ease transition and save
some typing effort.

Right now, however, people are trying to interpret some additional
meaning into the path vs. *way distinction that originally wasn't there
at all. (Things like paved surface, urban vs. rural, intentionally
maintained etc.) This is definitely *not* what I voted for.

Tobias Knerr


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-17 Thread Mike Harris
... but, rightly or wrongly, I do not think I am alone in using
highway=footway for all paths intended primarily for pedestrians whether
urban or rural, designated or not, designation=anything - the only real
exception I make is (mostly) in rural areas where the path is clearly
informal and of undefined status, where I would use highway=path.

I arrive at this after a very long recycle of messages earlier on in this
same discussion group and it is also consistent with
http://wiki.openstreetmap.org/wiki/UK_public_rights_of_way .

Please understand that I am not arguing a case here - merely recording what
I currently do and why I do it. Once again it would appear that there are
inconsistencies both in practice and within the different pages of the wiki.
This is not surprising but it does, understandably, give rise to confusion
and to lengthy discussions (witness the length of this thread).

How to resolve?

Mike Harris

-Original Message-
From: Nick Whitelegg [mailto:nick.whitel...@solent.ac.uk] 
Sent: 17 August 2009 09:14
To: Roy Wallace
Cc: talk@openstreetmap.org
Subject: Re: [OSM-talk] Proliferation of path vs. footway

 Whiteleggnick.whitel...@solent.ac.uk wrote:
 In the UK I would tag such a path as
foot=designated;bicycle=permissive;
 and pragmatically highway=footway for the moment, using the 
 generally-accepted definition of footway as urban surfaced path
 (though would prefer highway=path; surface=paved)

 That is not the definition of footway. highway=footway is For 
 designated footpaths, i.e. mainly/exclusively for pedestrians.

 that's the recent wiki recommendation, but I guess footway is far 
 older than this definition from Jan 08. Don't know how many footways 
 have been in the  db till then and how many were added afterwards not 
 corresponding to this definition, but might be lots ;-)


Sure, but perpetuating deprecated definitions via the mailing list 
without specifically indicating them as such (deprecated) is IMHO 
damaging.

My comment on footway meaning urban surfaced path was based on many
recent mailing list discussions which seem to indicate that there was a
tendency to use footway for urban paths and path for mud/dirt/rock paths
in the countryside. Based on that perceived tendency, plus my own
preferences, that's what I've been doing recently.

Nick





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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-17 Thread Nick Whitelegg
... but, rightly or wrongly, I do not think I am alone in using
highway=footway for all paths intended primarily for pedestrians whether
urban or rural, designated or not, designation=anything - the only real
exception I make is (mostly) in rural areas where the path is clearly
informal and of undefined status, where I would use highway=path.

I arrive at this after a very long recycle of messages earlier on in this
same discussion group and it is also consistent with
http://wiki.openstreetmap.org/wiki/UK_public_rights_of_way .

This was originally my page, I have to admit, but is old, and came about 
before the widespread use of path. I could change it to my own feelings 
on the matter but given the sensitivity to changing wiki pages on tagging, 
I'm not sure whether I should ;-)

Please understand that I am not arguing a case here - merely recording 
what
I currently do and why I do it. Once again it would appear that there are
inconsistencies both in practice and within the different pages of the 
wiki.
This is not surprising but it does, understandably, give rise to 
confusion
and to lengthy discussions (witness the length of this thread).

How to resolve?

Mike Harris

Each country (or at least, each country with significant off-road mapping 
being done) could have a group of people with significant experience in 
countryside mapping (thinking walkers and off road cyclists) who could sit 
down (figuratively speaking, more likely communicate over the net) and 
thrash out the requirements of their own country, and come up with a 
catch-all proposal. Then, representatives of each country group could 
compare notes and thrash out an internationally-acceptable proposal.

My own feeling is we need agreement otherwise the renderer rules have to 
get more and more (and more) complex! The recommendation should be just 
that, not a thou shalt follow or else rule, but the renderers would then 
follow the recommendation.

Nick





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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-17 Thread Martin Koppenhoefer
2009/8/17 Mike Harris mik...@googlemail.com:
 ... but, rightly or wrongly, I do not think I am alone in using
 highway=footway for all paths intended primarily for pedestrians whether
 urban or rural, designated or not, designation=anything

+1

  - the only real
 exception I make is (mostly) in rural areas where the path is clearly
 informal and of undefined status, where I would use highway=path.

not to forget, that those paths are IMHO the most important, as they
are usually not covered in other maps, but indicate the need (and
solution) for a connection ;-)

cheers,
Martin

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-17 Thread Nop

Hi!

Hatto von Hatzfeld schrieb:
 
 I appreciate Nop's proposal - but why replace designated by official? I
 do not see that designated has been used in the past with a meaning
 differing from what official would be used for in future.
 
 Or did I miss anything in this discussion?

Yes. :-)

Designated is linked to footway/cycleway and there are about 5 different 
interpretations on what it means, all of them documented somewhere in 
the Wiki.

Official is new and has only one meaning.

bye
Nop


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-17 Thread Hatto von Hatzfeld
Nop wrote:

 Hatto von Hatzfeld schrieb:
 
 I appreciate Nop's proposal - but why replace designated by official?
 I do not see that designated has been used in the past with a meaning
 differing from what official would be used for in future.
 
 Designated is linked to footway/cycleway and there are about 5 different
 interpretations on what it means, all of them documented somewhere in
 the Wiki.

You are exaggerating. They all say something like specially designated
(typically by a government) for use by a particular mode (or modes) of
transport.
 
 Official is new and has only one meaning.

From Map features: official is used for ways dedicated to a certain mode of
travel by law. Usually indicated by a traffic sign.

I really do not see where the use of designated has differed from this
definition.

Hatto




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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-17 Thread Nop

Hi!

Hatto von Hatzfeld schrieb:
  
 Official is new and has only one meaning.
 
From Map features: official is used for ways dedicated to a certain mode of
 travel by law. Usually indicated by a traffic sign.
 
 I really do not see where the use of designated has differed from this
 definition.

Which of the 5 definitions of designated do you mean? :-)

Just read this topic from the beginning and you should understand.

bye
Nop


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-16 Thread Nick Whitelegg
So a public footpath which the council has converted into a cycleway 
(part of a future cycle network if the council ever commit funds to 
complete their decade old plan) which is segregated in some sections and 
unsegregated in others is possibly a footway with bicycle=permissive?
 
I think I?ve currently got it tagged as a cycleway with 
designation=public_footpath (as the public footpath signs are still there, 
despite the ?upgrade?). 
 
Bold formatting below added by me.
 
Ed

Yes, I would say so, though I'm not sure of the law on council-designated 
cycleways. I would guess they aren't true public rights of way for 
cyclists, and the permission could be removed at any time without the same 
legal protection that true rights of way have.

In the UK I would tag such a path as foot=designated;bicycle=permissive; 
and pragmatically highway=footway for the moment, using the 
generally-accepted definition of footway as urban surfaced path 
(though would prefer highway=path; surface=paved)

Nick
 











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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-16 Thread Mike Harris
Roy

Interesting - I'd not looked at that one. I have myself already been
confusing the wiki pages for 'designated' and 'designation'. The one that I
tend to favour in terms of my own mapping (heavily oriented towards off-road
and tights of way in England) is 'designation'
http://wiki.openstreetmap.org/wiki/Proposed_features/Designation . This
works  quite well for me - when used as an expression of formal legal
status, together with the existing apparently most common practice in
England of using highway=footway/bridleway/byway/track/path/cycleway as the
primary tag + foot/bicycle/horse/motorcar=yes/no as a description of the
situation on the ground and/or signed + surface= or tracktype= for the
actual condition as seen on the ground + access= used only in a limited way
to indicate privacy or similar restrictions. I got there by an evolutionary
process and it does seem to cover most of what I need. But I would be the
first to admit that that doesn't make it right for anyone else or 'right' in
any 'absolute' sense. What the use of designation= helped most with was
separating out a description of legal/administrative status (mostly derived
from publicly available and non-copyright sources developed by highway
authorities) from the more usual description of what was 'on the ground' or
could be deduced from signage. The latter is of general utility; the more
legal stuff is very useful for those of us concerned with rights of way in
England and Wales and is also slowly making OSM more useful to local
authorities (and others who have their own problems with over-enthusiastic
OS licensing). It also adds something to OSM that is NOT on OS maps - as
they their recording of rights of way is quite often very out of date and
quite often erroneous.

Happy mapping anyway!

Mike Harris

-Original Message-
From: Roy Wallace [mailto:waldo000...@gmail.com] 
Sent: 15 August 2009 23:37
To: Mike Harris
Cc: talk@openstreetmap.org; Nick Whitelegg
Subject: Re: [OSM-talk] Proliferation of path vs. footway

On Sat, Aug 15, 2009 at 6:08 PM, Mike Harrismik...@googlemail.com wrote:
 Roy

 Could you give reference to your wiki quote? I can see for =designated at:

 http://wiki.openstreetmap.org/wiki/Tag:access%3Ddesignated

 QUOTE

 This tag indicates that a route has been specially designated 
 (typically by a government) for use by a particular mode (or modes) of
transport.

 UNQUOTE

 There is apparently, perhaps unsurprisingly, some ambiguity in the wiki.

Sure - my quotes were from:
http://wiki.openstreetmap.org/wiki/Key:access. This needs to be cleared up.




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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-16 Thread Martin Koppenhoefer
2009/8/16 Roy Wallace waldo000...@gmail.com:
 Whiteleggnick.whitel...@solent.ac.uk wrote:
 In the UK I would tag such a path as foot=designated;bicycle=permissive;
 and pragmatically highway=footway for the moment, using the
 generally-accepted definition of footway as urban surfaced path
 (though would prefer highway=path; surface=paved)

 That is not the definition of footway. highway=footway is For
 designated footpaths, i.e. mainly/exclusively for pedestrians.

that's the recent wiki recommendation, but I guess footway is far
older than this definition from Jan 08. Don't know how many footways
have been in the  db till then and how many were added afterwards not
corresponding to this definition, but might be lots ;-)

cheers,
Martin

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-16 Thread Roy Wallace
On Mon, Aug 17, 2009 at 8:20 AM, Martin
Koppenhoeferdieterdre...@gmail.com wrote:
 2009/8/16 Roy Wallace waldo000...@gmail.com:
 Whiteleggnick.whitel...@solent.ac.uk wrote:
 In the UK I would tag such a path as foot=designated;bicycle=permissive;
 and pragmatically highway=footway for the moment, using the
 generally-accepted definition of footway as urban surfaced path
 (though would prefer highway=path; surface=paved)

 That is not the definition of footway. highway=footway is For
 designated footpaths, i.e. mainly/exclusively for pedestrians.

 that's the recent wiki recommendation, but I guess footway is far
 older than this definition from Jan 08. Don't know how many footways
 have been in the  db till then and how many were added afterwards not
 corresponding to this definition, but might be lots ;-)

Sure, but perpetuating deprecated definitions via the mailing list
without specifically indicating them as such (deprecated) is IMHO
damaging.

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-15 Thread Lester Caine
Jason Cunningham wrote:
 Agree here. UK bridleways for instance should have foot=designated;
 horse=designated; bicycle=designated as all three have equal right. It
 would be a mistake to assume the horse rights are greater than
 foot/bicycle; they are not.
 
 I would similarly guess the shared foot/cycleways in Germany would be
 similar, i.e. foot=designated; bicycle=designated.
 
 After looking at the British Ramblers Association website today it does 
 not appear cyclists have equal rights on Bridelways. This website give 
 advice on access rights to footpaths etc in the UK, and it says
 Pedal cyclists have a right to use bridleways, restricted byways and 
 byways open to all traffic, but on bridleways they must give way to 
 walkers and riders. Like horse riders, they have no right to use 
 footpaths and if they do so they are committing a trespass against the 
 owner of the land, unless use is by permission (see Q26 
 http://www.ramblers.org.uk/info/britain/footpathlaw/footpathlaw2.htm#trespass).
  
 As with horse-riding (see Q10 
 http://www.ramblers.org.uk/info/britain/footpathlaw/footpathlaw.htm#horses),
  
 use of any right of way by cyclists can be controlled by traffic 
 regulation orders and byelaws imposed by local authorities. Infringement 
 of byelaws or orders is a criminal offence. Under the Highways Act 1835, 
 it is an offence to ride a bicycle on the pavement at the side of a 
 road, and under the Fixed Penalty Offences Order 1999 a person who rides 
 on a pavement can be fined on the spot by a police officer.

It is probably worth adding that in some areas a bridleway may be restricted 
to horse use only to allow cantering and the like without the risk of 
encountering other obstructions. These are normally routes with reasonably 
good visibility so that exercising the horse is safe. And I believe that 
restriction would apply even to the land owner who could not permit private 
use by bikes - although in reality it is probably the land owner who has made 
the provision for exercising their own livestock anyway ;)

bicycle=secondary is probably more accurate in a number of instances.

-- 
Lester Caine - G8HFL
-
Contact - http://lsces.co.uk/wiki/?page=contact
L.S.Caine Electronic Services - http://lsces.co.uk
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Model Engineers Digital Workshop - http://medw.co.uk//
Firebird - http://www.firebirdsql.org/index.php

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-15 Thread Mike Harris
Roy

Could you give reference to your wiki quote? I can see for =designated at:

http://wiki.openstreetmap.org/wiki/Tag:access%3Ddesignated

QUOTE

This tag indicates that a route has been specially designated (typically by
a government) for use by a particular mode (or modes) of transport.

UNQUOTE

There is apparently, perhaps unsurprisingly, some ambiguity in the wiki.

Mike Harris

-Original Message-
From: Roy Wallace [mailto:waldo000...@gmail.com] 
Sent: 14 August 2009 23:57
To: Nick Whitelegg
Cc: talk@openstreetmap.org
Subject: Re: [OSM-talk] Proliferation of path vs. footway

On Fri, Aug 14, 2009 at 8:20 PM, Nick
Whiteleggnick.whitel...@solent.ac.uk wrote:

 Silly question, maybe: but, what does yes actually mean? Everyone 
 seems to use it differently; it was intended originally for a legal 
 right but in practice has been used in a range of scenarios. In this 
 particular case (Fahrräder frei marked footways), do cyclists have a 
 *legal* right to use the footway, or is it an unoffical, revokable 
 right? If the former, designated would seem appropriate; if the 
 latter permissive would seem the most appropriate.

This is a good question. To quote from the wiki:

yes: The public have official, legally-enshrined right of access, i.e. it's
a right of way.
no: Access by this transport mode is not permitted, they don't have a right
of way.
designated: The route is marked as being a preferred route, usually for a
specific vehicle type or types.

Thankfully, no is the opposite of yes. I would prefer that designated
was used for signed, and yes/no was discouraged, but used for fuzzy
judgements where useful e.g. suitability, preferred-ness, etc.

As for how it's used in practice, hopefully everyone follows the wiki,
right? :)




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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-15 Thread Mike Harris
Jason is technically correct. The use of England/Wales bridleways by
cyclists is a lesser right than that held by pedestrians and riders. It was
added relatively recently (before, cyclists were not allowed on bridleways
under common law) and is subject both to the 'give way to others' rule cited
but also is not quite universal as the right of access is a default right
from central government that can be overridden by regulations made locally
(although I have yet to find an example of this).
 
The reference is the Countryside Act (1968) §30:
 
1. Any member of the public shall have, as a right of way, the right to
ride a bicycle, not being a mechanically propelled vehicle, on any
bridleway, but in exercising that right cyclists shall give way to
pedestrians and persons on horseback.
2. Subsection (1) above has effect subject to any orders made by a local
authority, and to any byelaws.
 
Nevertheless I would myself still tag as foot/horse/bicycle all 'designated'
as this is at least the default and the 'give way' rule does not remove the
cyclists' right (but how I wish that all bikes had bells and all cyclists
USED them!).
 
Mike Harris
 


  _  

From: Jason Cunningham [mailto:jamicu...@googlemail.com] 
Sent: 15 August 2009 00:41
To: Nick Whitelegg; talk@openstreetmap.org
Subject: Re: [OSM-talk] Proliferation of path vs. footway



Agree here. UK bridleways for instance should have foot=designated;

horse=designated; bicycle=designated as all three have equal right. It
would be a mistake to assume the horse rights are greater than
foot/bicycle; they are not.

I would similarly guess the shared foot/cycleways in Germany would be
similar, i.e. foot=designated; bicycle=designated.

Nick


After looking at the British Ramblers Association website today it does not
appear cyclists have equal rights on Bridelways. This website give advice on
access rights to footpaths etc in the UK, and it says
Pedal cyclists have a right to use bridleways, restricted byways and byways
open to all traffic, but on bridleways they must give way to walkers and
riders. Like horse riders, they have no right to use footpaths and if they
do so they are committing a trespass against the owner of the land, unless
use is by permission (see
http://www.ramblers.org.uk/info/britain/footpathlaw/footpathlaw2.htm#trespa
ss Q26). As with horse-riding (see
http://www.ramblers.org.uk/info/britain/footpathlaw/footpathlaw.htm#horses
Q10), use of any right of way by cyclists can be controlled by traffic
regulation orders and byelaws imposed by local authorities. Infringement of
byelaws or orders is a criminal offence. Under the Highways Act 1835, it is
an offence to ride a bicycle on the pavement at the side of a road, and
under the Fixed Penalty Offences Order 1999 a person who rides on a pavement
can be fined on the spot by a police officer.

Jason
jamicu http://wiki.openstreetmap.org/wiki/User:Jamicu 


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-15 Thread Ed Loach
So a public footpath which the council has converted into a cycleway
(part of a future cycle network if the council ever commit funds to
complete their decade old plan) which is segregated in some sections
and unsegregated in others is possibly a footway with
bicycle=permissive?

 

I think I’ve currently got it tagged as a cycleway with
designation=public_footpath (as the public footpath signs are still
there, despite the “upgrade”). 

 

Bold formatting below added by me.

 

Ed

 

 


  _  


From: Jason Cunningham [mailto:jamicu...@googlemail.com] 
Sent: 15 August 2009 00:41
To: Nick Whitelegg; talk@openstreetmap.org
Subject: Re: [OSM-talk] Proliferation of path vs. footway


After looking at the British Ramblers Association website today it
does not appear cyclists have equal rights on Bridelways. This
website give advice on access rights to footpaths etc in the UK, and
it says
Pedal cyclists have a right to use bridleways, restricted byways
and byways open to all traffic, but on bridleways they must give way
to walkers and riders. Like horse riders, they have no right to use
footpaths and if they do so they are committing a trespass against
the owner of the land, unless use is by permission (see
http://www.ramblers.org.uk/info/britain/footpathlaw/footpathlaw2.ht
m#trespass  Q26). As with horse-riding (see
http://www.ramblers.org.uk/info/britain/footpathlaw/footpathlaw.htm
#horses  Q10), use of any right of way by cyclists can be
controlled by traffic regulation orders and byelaws imposed by local
authorities. Infringement of byelaws or orders is a criminal
offence. Under the Highways Act 1835, it is an offence to ride a
bicycle on the pavement at the side of a road, and under the Fixed
Penalty Offences Order 1999 a person who rides on a pavement can be
fined on the spot by a police officer.

Jason
jamicu http://wiki.openstreetmap.org/wiki/User:Jamicu 

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-15 Thread Mike Harris
Hi Ed
 
1. I think that it is designation=public_footpath, foot=yes,
bicycle=permissive unless (a) it is a public bridleway, or (b) signed to
indicate that a local  authority has added bicycle rights (as they may -
although this seems to happen almost always only in urban areas).
2. But if 1(a) or 1(b) applies then I would say designation=public_footpath,
foot=yes, bicycle=yes.
 
Mike Harris
 


  _  

From: Ed Loach [mailto:e...@loach.me.uk] 
Sent: 15 August 2009 13:01
To: talk@openstreetmap.org
Subject: Re: [OSM-talk] Proliferation of path vs. footway



So a public footpath which the council has converted into a cycleway (part
of a future cycle network if the council ever commit funds to complete their
decade old plan) which is segregated in some sections and unsegregated in
others is possibly a footway with bicycle=permissive?

 

I think I’ve currently got it tagged as a cycleway with
designation=public_footpath (as the public footpath signs are still there,
despite the “upgrade”). 

 

Bold formatting below added by me.

 

Ed

 

 


  _  


From: Jason Cunningham [mailto:jamicu...@googlemail.com] 
Sent: 15 August 2009 00:41
To: Nick Whitelegg; talk@openstreetmap.org
Subject: Re: [OSM-talk] Proliferation of path vs. footway


After looking at the British Ramblers Association website today it does not
appear cyclists have equal rights on Bridelways. This website give advice on
access rights to footpaths etc in the UK, and it says
Pedal cyclists have a right to use bridleways, restricted byways and byways
open to all traffic, but on bridleways they must give way to walkers and
riders. Like horse riders, they have no right to use footpaths and if they
do so they are committing a trespass against the owner of the land, unless
use is by permission (see
http://www.ramblers.org.uk/info/britain/footpathlaw/footpathlaw2.htm#trespa
ss Q26). As with horse-riding (see
http://www.ramblers.org.uk/info/britain/footpathlaw/footpathlaw.htm#horses
Q10), use of any right of way by cyclists can be controlled by traffic
regulation orders and byelaws imposed by local authorities. Infringement of
byelaws or orders is a criminal offence. Under the Highways Act 1835, it is
an offence to ride a bicycle on the pavement at the side of a road, and
under the Fixed Penalty Offences Order 1999 a person who rides on a pavement
can be fined on the spot by a police officer.

Jason
jamicu http://wiki.openstreetmap.org/wiki/User:Jamicu 

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-15 Thread Roy Wallace
On Sat, Aug 15, 2009 at 6:08 PM, Mike Harrismik...@googlemail.com wrote:
 Roy

 Could you give reference to your wiki quote? I can see for =designated at:

 http://wiki.openstreetmap.org/wiki/Tag:access%3Ddesignated

 QUOTE

 This tag indicates that a route has been specially designated (typically by
 a government) for use by a particular mode (or modes) of transport.

 UNQUOTE

 There is apparently, perhaps unsurprisingly, some ambiguity in the wiki.

Sure - my quotes were from:
http://wiki.openstreetmap.org/wiki/Key:access. This needs to be
cleared up.

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-14 Thread Mike Harris
Roy writes:

If footway/cycleway is fuzzy in terms of current usage (and I believe it
is), then +1. But I would personally prefer
that designated mean signed. This stays true to mapping what is on the
ground, and separates legal issues from 
geographical/physical features, as others have suggested. I think this is
in line with the current usage of designated (correct me if I'm wrong).

But have you seen?

http://wiki.openstreetmap.org/wiki/Tag:access%3Ddesignated

Which has solved a host of problems and ambiguities for me at least. This is
a very clear - not 'fuzzy' - definition and the loss of it would be very
damaging to the right-of-way mapping projects in the UK at least. It saves a
lot of argument about subjective judgements of what tag best describes what
is on the ground. No objection adding an extra tag for signpost if that's
wanted - but it leaves ambiguities as to whether the signpost has any legal
implication or whether an unsigned path (many of them!) carries legal rights
of access.

Mike Harris

-Original Message-
From: Roy Wallace [mailto:waldo000...@gmail.com] 
Sent: 13 August 2009 23:06
To: Nop
Cc: talk
Subject: Re: [OSM-talk] Proliferation of path vs. footway

On Thu, Aug 13, 2009 at 7:02 PM, Nopekkeh...@gmx.de wrote:

 First of all, we would need to agree that there actually is a problem 
 and that we need to (re)define something to clarify it. There have 
 again been many mails along the line It is easy and can all be done 
 following existing definitions - if it is done my way. But this is 
 simply not true, the wiki _is_ contradicting itself.

+1

 Proposal #1: Unjoin designated

 Get rid of the idea that cycleway is the same thing as 
 bicycle=designated. Accept that foot/cycleway is fuzzy. Redefine 
 designated to be only used for legally dedicated ways. Likewise 
 seperate foot=designated from footway.

If footway/cycleway is fuzzy in terms of current usage (and I believe it
is), then +1. But I would personally prefer that designated mean signed.
This stays true to mapping what is on the ground, and separates legal
issues from geographical/physical features, as others have suggested. I
think this is in line with the current usage of designated (correct me if
I'm wrong). For example, in Australia you may be legally allowed to ride a
bicycle on a footpath, but I don't think anyone would ever tag such a
footpath as bicycle=designated. You can often legally ride a bike on an
Australian road, but again, I would never tag such a road with
bicycle=designated.

 This way, foot/cycleway can be used for the lenient use cases like 
 today, but designated can be used to tag the strict use cases.

I'd recommend highway=path with *=yes for the lenient use cases
(which would make footway/cycleway redundant). But I've been told that
highway=path has already been voted against in the past :(

 Proposal #2: Introduce offical dedication

 Leave old tags as they are and accept that foot/cycleway and 
 designated are as fuzzy as described above. Clarify that these tags 
 only give information on possible use, but not about the legal situation.
 Introduce a new tag biclyce/foot=official to tag the strict use case 
 of road-signed ways or corresponding legal dedication.

I don't really see the advantage of having a fuzzy definition of
designated. I would recommend using yes to indicate a fuzzy
recommendation or suitability. And if you don't think suitability
should be tagged, you could feel free to ignore the *=yes tags.




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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-14 Thread Mike Harris
+1 


Mike Harris

-Original Message-
From: Nop [mailto:ekkeh...@gmx.de] 
Sent: 13 August 2009 23:43
To: Roy Wallace
Cc: talk
Subject: Re: [OSM-talk] Proliferation of path vs. footway


Hi!

Roy Wallace schrieb:
 If footway/cycleway is fuzzy in terms of current usage (and I 
 believe it is), then +1. But I would personally prefer that 
 designated mean signed. This stays true to mapping what is on the 
 ground, and separates legal issues from geographical/physical 
 features, as others have suggested. I think this is in line with the 
 current usage of designated (correct me if I'm wrong). For example, 
 in Australia you may be legally allowed to ride a bicycle on a 
 footpath, but I don't think anyone would ever tag such a footpath as 
 bicycle=designated. You can often legally ride a bike on an 
 Australian road, but again, I would never tag such a road with 
 bicycle=designated.

Clarification: What I meant is: Designated only for ways legally dedicated
to one mode of travel. Usually that means individually road-signed, but it
could also be done for a whole area like a nature reserve with a declaration
for all ways inside. You could also say: 
Designated means designated by the government.

But in this approach, ways that are just waymarked as a route are _not_
designated. A cycle route often runs on a tertiary highway, but that doesn't
make the highway a designated cycleway.

bye
Nop





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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-14 Thread Mike Harris
... That is current practice - there is no implication of exclusivity only
that a legal right of use exists for a class of users. A restricted byway in
England and Wales is for example, foot=designated, horse=designated,
bicycle=designated (as there are legal rights for all non-motorised
traffic); it is also motorcar=no, motorcycle=no; the condition can be
described with either a surface= or a tracktype= tag. It should be signed
(and mostly is at the moment at each end as it is a very new legal category
and the signs have yet to be wrecked) but I wouldn't bother to add signed=
as it does not give the user much in the way of additional information once
they know it is a restricted byway.

The question that is currently the main subject of debate in this thread
seems to be the primary one as to the type of highway. Should it be
highway=restricted_byway, highway=byway, highway=track, highway=path ... I
would currently use the first of these as being the most specific (and, yes,
it is documented on the wiki) - but I appreciate that there are ambiguities
that are being discussed in the thread.

Mike Harris

-Original Message-
From: Roy Wallace [mailto:waldo000...@gmail.com] 
Sent: 13 August 2009 23:54
To: Nop
Cc: talk
Subject: Re: [OSM-talk] Proliferation of path vs. footway

On Fri, Aug 14, 2009 at 8:42 AM, Nopekkeh...@gmx.de wrote:

 Clarification: What I meant is: Designated only for ways legally 
 dedicated to one mode of travel. Usually that means individually 
 road-signed, but it could also be done for a whole area like a nature 
 reserve with a declaration for all ways inside. You could also say: 
 Designated means designated by the government.

I would prefer that designated does not infer exclusively designated, so
that it's possible to have bicycle=designated as well as foot=designated on
a shared pathway (signed with a picture of a person and a picture of a
bicycle).

Designated != Dedicated




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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-14 Thread Nick Whitelegg
Martin Koppenhoefer schrieb:
 highway=footway (not suitable)
 bicycle=dedicated (signed)
 A footway for cycling is not a valid combination to me.
 
 why not? In Germany: sign footway + additional sign: Fahrräder frei

That's yes, not designated.

Silly question, maybe: but, what does yes actually mean? Everyone seems 
to use it differently; it was intended originally for a legal right but in 
practice has been used in a range of scenarios. In this particular case 
(Fahrräder frei marked footways), do cyclists have a *legal* right to 
use the footway, or is it an unoffical, revokable right? If the former, 
designated would seem appropriate; if the latter permissive would seem 
the most appropriate.

Nick




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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-14 Thread Nick Whitelegg
I would prefer that designated does not infer exclusively
designated, so that it's possible to have bicycle=designated as well
as foot=designated on a shared pathway (signed with a picture of a
person and a picture of a bicycle).

Agree here. UK bridleways for instance should have foot=designated; 
horse=designated; bicycle=designated as all three have equal right. It 
would be a mistake to assume the horse rights are greater than 
foot/bicycle; they are not.

I would similarly guess the shared foot/cycleways in Germany would be 
similar, i.e. foot=designated; bicycle=designated.

Nick

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-14 Thread Nop

Hi!

Nick Whitelegg schrieb:
 I would prefer that designated does not infer exclusively
 designated, so that it's possible to have bicycle=designated as well
 as foot=designated on a shared pathway (signed with a picture of a
 person and a picture of a bicycle).
 
 Agree here. UK bridleways for instance should have foot=designated; 
 horse=designated; bicycle=designated as all three have equal right. It 
 would be a mistake to assume the horse rights are greater than 
 foot/bicycle; they are not.
 
 I would similarly guess the shared foot/cycleways in Germany would be 
 similar, i.e. foot=designated; bicycle=designated.

Yes, this would work out. And a German bridleway would be 
horse=dsignated, foot=no, bicycle=no.

bye
Nop


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-14 Thread Martin Koppenhoefer
2009/8/14 Nick Whitelegg nick.whitel...@solent.ac.uk:
 Martin Koppenhoefer schrieb:
 highway=footway (not suitable)
 bicycle=dedicated (signed)
 A footway for cycling is not a valid combination to me.

 why not? In Germany: sign footway + additional sign: Fahrräder frei

That's yes, not designated.

 Silly question, maybe: but, what does yes actually mean? Everyone seems
 to use it differently; it was intended originally for a legal right but in
 practice has been used in a range of scenarios. In this particular case
 (Fahrräder frei marked footways), do cyclists have a *legal* right to
 use the footway, or is it an unoffical, revokable right?

they have the right, but it is less strong than on a cycleway, the
pedestrians have the right-of-way over the cyclists, and cyclists must
not drive faster than x km/h and be more cautious than on a cycleway.
It is a different implication than a cycleway. (btw: these are fine
details and probably not only regarding Germany, but other countries
as well, but it might not be general knowledge and is therefore
probably sometimes ignored by the mappers).

cheers,
Martin

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-14 Thread Martin Koppenhoefer
2009/8/14 Nick Whitelegg nick.whitel...@solent.ac.uk:
 On Fri, 2009-08-14 at 13:08 +0200, Nick Whitelegg wrote:
 [In Norway you can legally cycle on footways; in England you can't]

 Using the designated value appropriately would work with both. In
 England, tag with highway=path (or track); foot=designated. In Norway,
 tag
 with highway=path (or track); foot=designated; bicycle=designated.

This doesn't sound quite right to me. If it is signed as a footway in
Norway (picture of a pedestrian only, no bike [1]), it is sometimes
allowed to cycle there, but only if there are not too many pedestrians
and only at walking speed.

 Sorry, my comment was based on someone saying that in Norway, bikes could
 use footpaths, and me assuming it was a full legal right. This does make
 things a bit more difficult as I have not come across these sorts of in
 between rights before. However I'm not sure that highway=footway is the
 answer. Someone should ideally not need knowledge of local laws: as
 someone from the UK I can instantly tell that I'm not supposed to walk on
 German bridleways (see another message) if they are tagged with the
 generic, international tags of foot=no; horse=designated; bicycle=no.
 Likewise someone from Germany, say, can instantly tell that they can walk,
 or cycle, on a UK bridleway.

yes, if you would tag foot=yes, but I guess you usually never did
this, because you thought everybody would know that you could walk
there.

so it comes down to the general observation, that different countries
have different defaults, and how to deal with it. There are 2 main
possibilities:
1. tag on every single way all worldwide thinkable keys
2. document the implicit defaults somewhere in a standardized form, be
it wiki or database

of course, there would also be
3. don't document and refer to local legislation. Therefore it should
be clear how to express local traffic signs in an unambigous way into
tags.
and
4. do 2 in an non-standardized form

but 3 and 4 are not very reliable and practical, e.g. if you wanted to
make a router that works worldwide it would be too timeconsuming to
get all the rules.

cheers,
Martin

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-14 Thread Roy Wallace
On Fri, Aug 14, 2009 at 8:20 PM, Nick
Whiteleggnick.whitel...@solent.ac.uk wrote:

 Silly question, maybe: but, what does yes actually mean? Everyone seems
 to use it differently; it was intended originally for a legal right but in
 practice has been used in a range of scenarios. In this particular case
 (Fahrräder frei marked footways), do cyclists have a *legal* right to
 use the footway, or is it an unoffical, revokable right? If the former,
 designated would seem appropriate; if the latter permissive would seem
 the most appropriate.

This is a good question. To quote from the wiki:

yes: The public have official, legally-enshrined right of access,
i.e. it's a right of way.
no: Access by this transport mode is not permitted, they don't have a
right of way.
designated: The route is marked as being a preferred route, usually
for a specific vehicle type or types.

Thankfully, no is the opposite of yes. I would prefer that
designated was used for signed, and yes/no was discouraged, but
used for fuzzy judgements where useful e.g. suitability,
preferred-ness, etc.

As for how it's used in practice, hopefully everyone follows the wiki, right? :)

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-14 Thread Jason Cunningham

 Agree here. UK bridleways for instance should have foot=designated;
 horse=designated; bicycle=designated as all three have equal right. It
 would be a mistake to assume the horse rights are greater than
 foot/bicycle; they are not.

 I would similarly guess the shared foot/cycleways in Germany would be
 similar, i.e. foot=designated; bicycle=designated.

 Nick


After looking at the British Ramblers Association website today it does not
appear cyclists have equal rights on Bridelways. This website give advice on
access rights to footpaths etc in the UK, and it says
Pedal cyclists have a right to use bridleways, restricted byways and byways
open to all traffic, but on bridleways they must give way to walkers and
riders. Like horse riders, they have no right to use footpaths and if they
do so they are committing a trespass against the owner of the land, unless
use is by permission (see
Q26http://www.ramblers.org.uk/info/britain/footpathlaw/footpathlaw2.htm#trespass).
As with horse-riding (see
Q10http://www.ramblers.org.uk/info/britain/footpathlaw/footpathlaw.htm#horses),
use of any right of way by cyclists can be controlled by traffic regulation
orders and byelaws imposed by local authorities. Infringement of byelaws or
orders is a criminal offence. Under the Highways Act 1835, it is an offence
to ride a bicycle on the pavement at the side of a road, and under the Fixed
Penalty Offences Order 1999 a person who rides on a pavement can be fined on
the spot by a police officer.

Jason
jamicu http://wiki.openstreetmap.org/wiki/User:Jamicu
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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Roy Wallace
On Thu, Aug 13, 2009 at 5:47 PM, Morten Kjeldgaardm...@bioxray.au.dk wrote:

 I think it is time to separate tagging of traffic laws into a separate
 namespace from purely geographical map features. The information is
 useful, but the current concept of OSM tagging is not designed to deal
 with it in a systematic manner.

Can you expand on separate namespace? Without a full new proposal,
the current concept of OSM tagging is all we have to work with right
now, and the issue is choosing appropriate tags and tagging schemes.
Which do you think more appropriately separates legal issues from
geographical map features, the highway=path or
highway=footway/cycleway scheme?

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Nop

Hi!


This discussion seems to be going the same way as it always does - in 
circles. :-)

So I'd like to try again for a more general statement and summary.

The need for change

First of all, we would need to agree that there actually is a problem 
and that we need to (re)define something to clarify it. There have again 
been many mails along the line It is easy and can all be done following 
existing definitions - if it is done my way. But this is simply not 
true, the wiki _is_ contradicting itself.


The Fuzziness

If I summarize all different, contradicitory positions mentioned, what 
is the meaning if we see footway or cycleway today if we don't know who 
has tagged it according to which interpretation?

highway=cycleway : road-signed or waymarked or suitable/allowed for 
bicycles or intended for bicycles or intended for mixed use with primary 
use bicycle

bicycle=designated : the same as highway=cycleway by wiki definition

highway=footway : road-signed or waymarked or suitable/allowed for 
pedestrians or intended for pedestrians or intended for mixed use with 
primary use pedestrians

foot=designated : the same as highway=footway by wiki definition

In theory, bridleway has the same problems, but it seems that so far 
nobody has cared about bridleways and so there are not as many 
contradicting interpretations attached.


Conclusion

If you don't really care about foot/cycleways or if you are in a country 
  where the rules of traffic generally allow mixed use, this is ok.

If you want to tag the strict use cases of legal dedication in Germany 
or France, this is insufficient. The basic problem is also apparent: A 
good definition should be unambigous and not include the word or. :-)


Solution attempts

Finally, I cannot resist the temptation anymore and have to present the 
two possible solutions I have arrived at. Both are minimum impact 
solutions and only take into account the currently known use cases.

Proposal #1: Unjoin designated

Get rid of the idea that cycleway is the same thing as 
bicycle=designated. Accept that foot/cycleway is fuzzy. Redefine 
designated to be only used for legally dedicated ways. Likewise seperate 
foot=designated from footway.

This way, foot/cycleway can be used for the lenient use cases like 
today, but designated can be used to tag the strict use cases.

Proposal #2: Introduce offical dedication

Leave old tags as they are and accept that foot/cycleway and designated 
are as fuzzy as described above. Clarify that these tags only give 
information on possible use, but not about the legal situation. 
Introduce a new tag biclyce/foot=official to tag the strict use case of 
road-signed ways or corresponding legal dedication.

This way, nothing needs to be changed in existing fuzzy tagging, but 
real foot/cycleways are simply tagged by adding an official or 
changing designated to official if appropriate.


And again: I believe that these two ways would work as a solution and 
that they would cause little impact. But I will be happy with any 
complete and workable solution. In any way we would still have to come 
to an agreement and implement it the same way in renderers and editors - 
which seem near impossible.

bye
Nop







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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Pieren
On Thu, Aug 13, 2009 at 11:02 AM, Nopekkeh...@gmx.de wrote:
 The need for change

 First of all, we would need to agree that there actually is a problem
 and that we need to (re)define something to clarify it. There have again
 been many mails along the line It is easy and can all be done following
 existing definitions - if it is done my way. But this is simply not
 true, the wiki _is_ contradicting itself.

No, there is no problem if you accept that some values are implied by
default for the whole world (e.g. foot=no for highway=motorway) and
some need a default value by country/region which can be documented on
the wiki (highway=cycleway + foot=yes/no).

Pieren

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Mike Harris
Roy wrote

Which do you think more appropriately separates legal issues from
geographical map features, the highway=path or 
highway=footway/cycleway scheme?

I would say 'neither' - use the designated tag for the legal designation
and something else (I dare not say what!) for the geographical feature!

Mike Harris

-Original Message-
From: Roy Wallace [mailto:waldo000...@gmail.com] 
Sent: 13 August 2009 09:21
To: Morten Kjeldgaard
Cc: Talk Openstreetmap
Subject: Re: [OSM-talk] Proliferation of path vs. footway

On Thu, Aug 13, 2009 at 5:47 PM, Morten Kjeldgaardm...@bioxray.au.dk wrote:

 I think it is time to separate tagging of traffic laws into a separate 
 namespace from purely geographical map features. The information is 
 useful, but the current concept of OSM tagging is not designed to deal 
 with it in a systematic manner.

Can you expand on separate namespace? Without a full new proposal, the
current concept of OSM tagging is all we have to work with right now, and
the issue is choosing appropriate tags and tagging schemes.
Which do you think more appropriately separates legal issues from
geographical map features, the highway=path or highway=footway/cycleway
scheme?




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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Mike Harris
... and in England you are forbidden to cycle on all designated footways
unless explicitly allowed! It neatly makes the point about regional
differences.
 
Mike Harris
 


  _  

From: Gustav Foseid [mailto:gust...@gmail.com] 
Sent: 12 August 2009 19:04
To: Talk Openstreetmap
Subject: Re: [OSM-talk] Proliferation of path vs. footway


On Wed, Aug 12, 2009 at 9:47 AM, Nop ekkeh...@gmx.de wrote:


highway=footway (not suitable)
bicycle=yes (but allowed)
bicycle=dedicated (signed)



A footway for cycling is not a valid combination to me.



In Norway you are allowed to cycle on all footways, unless explicitly
forbidden.

 - Gustav


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Mike Harris
Useful summary (wish I had seen it before I just posted mine!) ... I agree -
mostly - with unjoining designated in solution 1 ... I am less happy
with introducing =official as we already seem to have made some recent
progress in Ekkehart's direction with the use of designated.

Mike Harris

-Original Message-
From: Nop [mailto:ekkeh...@gmx.de] 
Sent: 13 August 2009 10:02
To: talk
Subject: Re: [OSM-talk] Proliferation of path vs. footway


Hi!


This discussion seems to be going the same way as it always does - in
circles. :-)

So I'd like to try again for a more general statement and summary.

The need for change

First of all, we would need to agree that there actually is a problem and
that we need to (re)define something to clarify it. There have again been
many mails along the line It is easy and can all be done following existing
definitions - if it is done my way. But this is simply not true, the wiki
_is_ contradicting itself.


The Fuzziness

If I summarize all different, contradicitory positions mentioned, what is
the meaning if we see footway or cycleway today if we don't know who has
tagged it according to which interpretation?

highway=cycleway : road-signed or waymarked or suitable/allowed for bicycles
or intended for bicycles or intended for mixed use with primary use bicycle

bicycle=designated : the same as highway=cycleway by wiki definition

highway=footway : road-signed or waymarked or suitable/allowed for
pedestrians or intended for pedestrians or intended for mixed use with
primary use pedestrians

foot=designated : the same as highway=footway by wiki definition

In theory, bridleway has the same problems, but it seems that so far nobody
has cared about bridleways and so there are not as many contradicting
interpretations attached.


Conclusion

If you don't really care about foot/cycleways or if you are in a country
  where the rules of traffic generally allow mixed use, this is ok.

If you want to tag the strict use cases of legal dedication in Germany or
France, this is insufficient. The basic problem is also apparent: A good
definition should be unambigous and not include the word or. :-)


Solution attempts

Finally, I cannot resist the temptation anymore and have to present the two
possible solutions I have arrived at. Both are minimum impact solutions and
only take into account the currently known use cases.

Proposal #1: Unjoin designated

Get rid of the idea that cycleway is the same thing as bicycle=designated.
Accept that foot/cycleway is fuzzy. Redefine designated to be only used for
legally dedicated ways. Likewise seperate foot=designated from footway.

This way, foot/cycleway can be used for the lenient use cases like today,
but designated can be used to tag the strict use cases.

Proposal #2: Introduce offical dedication

Leave old tags as they are and accept that foot/cycleway and designated are
as fuzzy as described above. Clarify that these tags only give information
on possible use, but not about the legal situation. 
Introduce a new tag biclyce/foot=official to tag the strict use case of
road-signed ways or corresponding legal dedication.

This way, nothing needs to be changed in existing fuzzy tagging, but real
foot/cycleways are simply tagged by adding an official or changing
designated to official if appropriate.


And again: I believe that these two ways would work as a solution and that
they would cause little impact. But I will be happy with any complete and
workable solution. In any way we would still have to come to an agreement
and implement it the same way in renderers and editors - which seem near
impossible.

bye
Nop










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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread James Livingston
On 12/08/2009, at 10:38 PM, Greg Troxel wrote:
 But if there is no default for foot, then what is
 routing software to do?  If it uses the way, the default is yes, and  
 if
 doesn't, it's no.  So the notion of no default does not make at lot of
 sense to me.
  ...
 With highway=path, the wiki page does not give the semantics when  
 there
 are no tags.  For highway=path and no tags, is that horse=yes or
 horse=no?  Is it paved or not if there is no tag?

What I'm trying to say is that not having the tag would mean  
currently unknown rather than depends on local defaults, and so  
someone should find out and add the missing tag. The same way that not  
having a maxspeed tag indicated that we don't know what the maximum  
speed limit is, rather than there not being a limit.

Obviously software processing the data will need to pick a default,  
but while editing it would mean that someone should improve the tags.


 The biggest problem is that there needs to be an unambiguous mapping
 From these highway=foo tags to the implied value of the access  
 subtags.
 The next biggest is non-operational semi-circular definitions like
 'highway=cycleway' being for 'designated cycleways' which talk about
 'intent', although in practice one would ask (in en_US) do most  
 people
 think this is a bike path.

I think it's mostly around the use of the word designated. Some  
people (including me) take that to mean there is a sign, or other  
signal present saying that it's for bicycles, but other people  
obviously disagree.

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Liz
On Thu, 13 Aug 2009, Pieren wrote:
 No, there is no problem if you accept that some values are implied by
 default for the whole world (e.g. foot=no for highway=motorway) and
 some need a default value by country/region which can be documented on
 the wiki (highway=cycleway + foot=yes/no).

 Pieren

pieren, please
there is still a problem
you are merely offering a different solution


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Martin Koppenhoefer
2009/8/13 Nop ekkeh...@gmx.de:
 Proposal #2: Introduce offical dedication
 Leave old tags as they are and accept that foot/cycleway and designated
 are as fuzzy as described above. Clarify that these tags only give
 information on possible use, but not about the legal situation.
 Introduce a new tag biclyce/foot=official to tag the strict use case of
 road-signed ways or corresponding legal dedication.

 This way, nothing needs to be changed in existing fuzzy tagging, but
 real foot/cycleways are simply tagged by adding an official or
 changing designated to official if appropriate.

IMHO if this solution is chosen we should also deprecate designated,
as it is of no more use, and would just lead to possible problems when
contradictory to official.

cheers,
Martin

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread David Earl
I'm afraid I have just been completely overwhelmed by this thread and 
the other similar ones over the last couple of weeks while trying to 
have a life too. I am also conscious that it is a discussion that 
reignites in different guises every few months. I apologise if I'm 
repeating what's already been said.

How do you know what is legal vs conventional? Except if you are in 
a privileged position, it can only be from evidence on the ground, in 
which case what would you do different in most cases? Would you mark 
something as a cycleway where cycling (or whatever) is happening but not 
legal (as evidenced by the signage and knowledge of the relevant rules)? 
Or not for cycles when the evidence shows that it is intended so? I 
think this legal stuff is a red herring (English idiom: a distraction) 
except in certain special cases.


My feeling is that what we are missing is largely country-specific 
defaults. Or rather we have failed to recognise this in the 
documentation, but it is what pretty much everyone is doing in practice 
already, and that's got a lot going for it.

What most people are doing now and will likely continue to do is seeing 
something on the ground which says I am a cycleway by whatever system 
or evidence is relevant to their location, knowledge of local laws and 
rules of the road etc, and therefore tagging it highway=cycleway. The 
same applies to motorway, footway etc. What a user of the map 
understands is the same thing, because they know that cycleways or 
footways can or cannot be used by pedestrians or cyclists respectively, 
or that motorways can or cannot be used by farm vehicles, or whatever in 
that particular country.

When we have exceptions, again the common practice is for people to 
indicate them. Hence a weight limit or a time restriction.

So my feeling is we should document what collection of users a 
particular highway tag applies to by default IN EACH COUNTRY (including 
things like under 12 or not on a Sunday if that's the normal 
situation). Then tags and renderings mean what ordinary people (users 
and mappers) expect them to mean.

If a particular footway is specifically open to cyclists, for example a 
permissive path that someone quoted, then if the local rules are that 
pedestrians can use cycleways, it makes no functional difference whether 
it is marked as a footway where cycling is permitted (by whatever 
tagging convention) or as a cycleway. You might choose to do one or the 
other based on a subjective judgement about the principal use, so it 
might affect how it is drawn but should not affect routers looking for 
both bicycle=yes exceptions and highway=x where x has defaults for that 
location which include bicycles.

I don't see that deviations from the normal rules for types of transport 
  are different in concept from other exceptions like weight or time limits.

--
So I say: keep it simple, keep it compatible. Carry on with the simple, 
established tags we already have, but just clarify the default use 
classes which apply to each highway tag, PER COUNTRY, and tag exceptions 
to these according to evidence on the ground. Add specific legal 
designations only where expert knowledge is available and different from 
the default interpretation.
---

I think the same principle applies to speed limits (motorway 70mph, 
trunk 60mph in UK, unlimited and whatever km/h in Germany etc), weight 
limits and so on.

David


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Richard Mann
I think the underlying problem with path is that it creates overlapping
definitions. Among data users there is a strong preference for tag
combinations to be hierarchical, and I think that preference is reasonable.
While having to deal with doctor and doctors is only a mild pain, trying
to deal with multiple overlapping fuzzy definitions for commonly-used tags
is enough to make your head spin.

So - path should either pitch itself to cover everything (ie footway should
be a subset of path), or to cover a clear niche (ie path should be
independent or a subset of footway). The deprecation of footway/cycleway was
voted on (by not many people, but nevertheless), and the deprecation was
rejected, but some people don't seem to be able to take no for an answer.

You can use the same analysis for footway/cycleway. Either one is a subset
of the other, or they should be clearly independent. The wiki tries to make
them independent (mainly or exclusively), but they aren't in many
countries, hence the confusion. I think treating cycleway as a subset of
footway is a more robust model, allowing the grey area between the two to be
described more accurately, rather than trying to pretend it doesn't exist.

Richard
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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Morten Kjeldgaard

On 13/08/2009, at 10.20, Roy Wallace wrote:

 On Thu, Aug 13, 2009 at 5:47 PM, Morten  
 Kjeldgaardm...@bioxray.au.dk wrote:

 I think it is time to separate tagging of traffic laws into a  
 separate
 namespace from purely geographical map features. The information is
 useful, but the current concept of OSM tagging is not designed to  
 deal
 with it in a systematic manner.

 Can you expand on separate namespace? Without a full new proposal,
 the current concept of OSM tagging is all we have to work with right
 now, and the issue is choosing appropriate tags and tagging schemes.
 Which do you think more appropriately separates legal issues from
 geographical map features, the highway=path or
 highway=footway/cycleway scheme?

Sure. By namespace I mean something like the Karlsruhe meeting  
introduced with the addr:* family of tags. In this example, addr  
would be the namespace.

My experience with OSM is too short (I'm a newbie :-)) to actually  
come up with a proposal on how to separate out the judicial  
circumstances from the map features; I suppose a tag family called  
law:* would be appropriate on highways to specify trafic rules  
(including whether you can travel by foot on a cycleway).

Following the thought of namespaces, the classical geographical  
features might be transitioned to a geo:* namespace.

Cheers,

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Norbert Hoffmann
David Earl wrote:

So I say: keep it simple, keep it compatible. Carry on with the simple, 
established tags we already have, but just clarify the default use 
classes which apply to each highway tag, PER COUNTRY, and tag exceptions 
to these according to evidence on the ground. Add specific legal 
designations only where expert knowledge is available and different from 
the default interpretation.

I say: forget all defaults and store all those values in the database.
Those only partly documented defaults are the cause of the discussed
problems. The process of tagging may be as simple as it is now. Let the
user choose which country he is in (or which country's rules are in his
head while editing) and than the editor can add those defaults.

What we win with this method is, that the apps working with the data need
not know anything about country borders or specific legals and changing
some default in the WIKI will no longer invalidate data.

Norbert


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Roy Wallace
On Thu, Aug 13, 2009 at 9:49 PM, Richard
Mannrichard.mann.westoxf...@googlemail.com wrote:

 The deprecation of footway/cycleway was
 voted on (by not many people, but nevertheless), and the deprecation was
 rejected, but some people don't seem to be able to take no for an answer.

It was? Maybe that was before my time.

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Roy Wallace
On Thu, Aug 13, 2009 at 9:33 PM, David Earlda...@frankieandshadow.com wrote:

 So my feeling is we should document what collection of users a
 particular highway tag applies to by default IN EACH COUNTRY (including
 things like under 12 or not on a Sunday if that's the normal
 situation). Then tags and renderings mean what ordinary people (users
 and mappers) expect them to mean.

Tags and renderings mean what ordinary people expect them to mean -
the data must be able to be understood by a computer, not just by a
person. Are you saying this will be made possible only via reading the
defaults in each country via the wiki? Don't like this - that's not
what the wiki is for - the data should be self-describing.

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Roy Wallace
On Fri, Aug 14, 2009 at 3:20 AM, Norbert
Hoffmannnhoffm...@spamfence.net wrote:

 I say: forget all defaults and store all those values in the database.
 Those only partly documented defaults are the cause of the discussed
 problems.

+1. Everyone seems to agree that the current use of cycleway/footway
implies various things in various circumstances (defaults is an
overly nice way of putting it), and these implications need to be made
explicit.

Should they be documented per country on the wiki, or embedded in the
data? In the data, of course!

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Martin Koppenhoefer
2009/8/13 David Earl da...@frankieandshadow.com:
 How do you know what is legal vs conventional? Except if you are in
 a privileged position, it can only be from evidence on the ground, in
 which case what would you do different in most cases?

I don't think it requires a privileged position in a democratic
country to get this kind of information, but it might be easier and
faster if you are in it.
You could check your local town council announcements (they are a
usable source, as the have law-like nature and are therefore not
protected by copyright) or similar stuff that deals with this topic.

 Would you mark
 something as a cycleway where cycling (or whatever) is happening but not
 legal (as evidenced by the signage and knowledge of the relevant rules)?

no, but I'm actually tagging it as bicycle=yes because it is tolerated
(and there is no fine).

 Or not for cycles when the evidence shows that it is intended so? I
 think this legal stuff is a red herring (English idiom: a distraction)
 except in certain special cases.

 My feeling is that what we are missing is largely country-specific
 defaults. Or rather we have failed to recognise this in the
 documentation, but it is what pretty much everyone is doing in practice
 already, and that's got a lot going for it.

yes, it simply is not documented (yet).

 When we have exceptions, again the common practice is for people to
 indicate them. Hence a weight limit or a time restriction.

+1

 So my feeling is we should document what collection of users a
 particular highway tag applies to by default IN EACH COUNTRY (including
 things like under 12 or not on a Sunday if that's the normal
 situation). Then tags and renderings mean what ordinary people (users
 and mappers) expect them to mean.

+1

 If a particular footway is specifically open to cyclists, for example a
 permissive path that someone quoted, then if the local rules are that
 pedestrians can use cycleways, it makes no functional difference whether
 it is marked as a footway where cycling is permitted (by whatever
 tagging convention) or as a cycleway.

you're wrong. It makes a difference on how the cyclist can go
(implicit maxspeed) and it makes a difference for the pedestrian who
can not legally use a cycleway.

 So I say: keep it simple, keep it compatible. Carry on with the simple,
 established tags we already have, but just clarify the default use
 classes which apply to each highway tag, PER COUNTRY, and tag exceptions
 to these according to evidence on the ground.

+1

 Add specific legal
 designations only where expert knowledge is available and different from
 the default interpretation.

why? It doesn't harm and serves in cases of ambiguity.

 I think the same principle applies to speed limits (motorway 70mph,
 trunk 60mph in UK, unlimited and whatever km/h in Germany etc), weight
 limits and so on.

actually we put maxspeed on all highways in Rome from unclassified
upwards, even when it is just implicit, and invented a tag to indicate
that the maxspeed is not explicit. We add a key maxspeed=50 and
maxspeedtype=ITA:city
In the unlikely case that the general maxspeed in Italian towns is
changed, we can change those maxspeeds that are implicit ones
automatically.

cheers,
Martin

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Roy Wallace
On Thu, Aug 13, 2009 at 7:02 PM, Nopekkeh...@gmx.de wrote:

 First of all, we would need to agree that there actually is a problem
 and that we need to (re)define something to clarify it. There have again
 been many mails along the line It is easy and can all be done following
 existing definitions - if it is done my way. But this is simply not
 true, the wiki _is_ contradicting itself.

+1

 Proposal #1: Unjoin designated

 Get rid of the idea that cycleway is the same thing as
 bicycle=designated. Accept that foot/cycleway is fuzzy. Redefine
 designated to be only used for legally dedicated ways. Likewise seperate
 foot=designated from footway.

If footway/cycleway is fuzzy in terms of current usage (and I
believe it is), then +1. But I would personally prefer that
designated mean signed. This stays true to mapping what is on the
ground, and separates legal issues from geographical/physical
features, as others have suggested. I think this is in line with the
current usage of designated (correct me if I'm wrong). For example,
in Australia you may be legally allowed to ride a bicycle on a
footpath, but I don't think anyone would ever tag such a footpath as
bicycle=designated. You can often legally ride a bike on an
Australian road, but again, I would never tag such a road with
bicycle=designated.

 This way, foot/cycleway can be used for the lenient use cases like
 today, but designated can be used to tag the strict use cases.

I'd recommend highway=path with *=yes for the lenient use cases
(which would make footway/cycleway redundant). But I've been told that
highway=path has already been voted against in the past :(

 Proposal #2: Introduce offical dedication

 Leave old tags as they are and accept that foot/cycleway and designated
 are as fuzzy as described above. Clarify that these tags only give
 information on possible use, but not about the legal situation.
 Introduce a new tag biclyce/foot=official to tag the strict use case of
 road-signed ways or corresponding legal dedication.

I don't really see the advantage of having a fuzzy definition of
designated. I would recommend using yes to indicate a fuzzy
recommendation or suitability. And if you don't think
suitability should be tagged, you could feel free to ignore the
*=yes tags.

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Nop

Hi!

Roy Wallace schrieb:
 If footway/cycleway is fuzzy in terms of current usage (and I
 believe it is), then +1. But I would personally prefer that
 designated mean signed. This stays true to mapping what is on the
 ground, and separates legal issues from geographical/physical
 features, as others have suggested. I think this is in line with the
 current usage of designated (correct me if I'm wrong). For example,
 in Australia you may be legally allowed to ride a bicycle on a
 footpath, but I don't think anyone would ever tag such a footpath as
 bicycle=designated. You can often legally ride a bike on an
 Australian road, but again, I would never tag such a road with
 bicycle=designated.

Clarification: What I meant is: Designated only for ways legally 
dedicated to one mode of travel. Usually that means individually 
road-signed, but it could also be done for a whole area like a nature 
reserve with a declaration for all ways inside. You could also say: 
Designated means designated by the government.

But in this approach, ways that are just waymarked as a route are _not_ 
designated. A cycle route often runs on a tertiary highway, but that 
doesn't make the highway a designated cycleway.

bye
Nop


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-13 Thread Roy Wallace
On Fri, Aug 14, 2009 at 8:42 AM, Nopekkeh...@gmx.de wrote:

 Clarification: What I meant is: Designated only for ways legally dedicated
 to one mode of travel. Usually that means individually road-signed, but it
 could also be done for a whole area like a nature reserve with a declaration
 for all ways inside. You could also say: Designated means designated by the
 government.

I would prefer that designated does not infer exclusively
designated, so that it's possible to have bicycle=designated as well
as foot=designated on a shared pathway (signed with a picture of a
person and a picture of a bicycle).

Designated != Dedicated

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread John Smith

--- On Wed, 12/8/09, Nop ekkeh...@gmx.de wrote:

 There is no consent on which way to go to express the
 strict use case.

Does there need to be?

Not that this implies that I agree or disagree but strictly from a technical 
point of view all you have to do is create/get an extract of a bounding area, 
not bounding box, covering Germany, you would probably need to clip exactly on 
the boundary, and then you write a bot to update all the highway=cycleway to be 
highway=path,bicycle=designated,foot=no




  

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread James Livingston
On 12/08/2009, at 3:51 PM, Nop wrote:
 There is no consent on which way to go to express the strict use case.

I think the only two solutions are to either have this be country- 
specific (at which point routers/renderers have to start knowing these  
kinds of things), or we have highway=cycleway not imply any value for  
foot at all.

Going the other way and not having highway=footway imply any value for  
bicycle would mean that people like me could tag something as a  
footway and say that I don't know whether it's suitable for cycling on  
by leaving the bicycle= out.

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread John Smith

--- On Wed, 12/8/09, James Livingston doc...@mac.com wrote:

 Going the other way and not having highway=footway imply
 any value for  
 bicycle would mean that people like me could tag something
 as a  
 footway and say that I don't know whether it's suitable for
 cycling on  
 by leaving the bicycle= out.

It's most likely going to have to be jurisdiction specific, not just country 
specific in some instances. Going the other way and dealing with footway for 
example, NSW  Vic doesn't allow cyclists on footpaths, but ACT does.


  

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Gustav Foseid
On Wed, Aug 12, 2009 at 7:51 AM, Nop ekkeh...@gmx.de wrote:

 In the strict (German) use case, you need to distinguish between
 bicycle=allowed/suitable and bicycle=road sign.  This is not about
 marking a default, this is about describing the real situation precise
 enough to make deductions about access rights for _other_ traffic.


highway=cycleway (allowed and suitable)
bicycle=dedicated (road sign)
bicycle=yes = (not road sign)
foot=yes/no (to make the situation clearer)

highway=footway (not suitable)
bicycle=yes (but allowed)
bicycle=dedicated (signed)

Or am I missing something?

 - Gustav
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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Shaun McDonald

On 12 Aug 2009, at 07:02, John Smith wrote:


 --- On Wed, 12/8/09, Nop ekkeh...@gmx.de wrote:

 There is no consent on which way to go to express the
 strict use case.

 Does there need to be?

 Not that this implies that I agree or disagree but strictly from a  
 technical point of view all you have to do is create/get an extract  
 of a bounding area, not bounding box, covering Germany, you would  
 probably need to clip exactly on the boundary, and then you write a  
 bot to update all the highway=cycleway to be  
 highway=path,bicycle=designated,foot=no


No. You should use highway=cycleway;bicycle=no if you have a cycle  
path that you cannot walk on. Routing software already supports this.  
They don't support routing cyclists over the highway=path. Are you  
really trying to force cyclists on to major roads?

Shaun


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Lauri Kytömaa

On Tue, 11 Aug 2009, Nop wrote:
 This is a rather lenient definition that is unsuitable to depict the
 German use case. That is exactly the reason for the confusion we are 
 having. If something is tagged as a cycleway and I am planning to walk
 on foot, I need
 to know whether it is an unsigned way assumed to be suitable for cycling
 (then I may use it as a pedestrian) or whether it is legally dedicated 
 to cycling (then I must not use it as a pedestrian).

The last time I was in Germany most of the signed-for-cycling ways were
of the combined cycle and footway type. We have both types of signs
here too, (combined use vs. cycles only 100 to 1 I'd say, or even
more), but I haven't yet seen a only-for-cyclists way that didn't have a
footway somewhere really near (within 10 meters) - which kind of makes
it irrelevant for a pedestrian looking at a map - there's then just one
way he may use, not the cycleway he chose from the map; software knows
which one can be used no matter cycleway or footway, when they're tagged
with correct foot/bicycle=designated/yes/no.

But that's a rendering issue anyway - either add something to the
rendering to show the both allowed or the cycleway + foot=no as
something different from those where foot=yes or foot=designated.

designated in a dictionary it means marked with a sign and it is the
only/most fitting tag for the purpose anyway, so in Germany
bicycle=designated must mean foot=no, so it cannot be the same as

Why not always add the foot=no when it's the only for cycles sign -
and foot=designated when it's combined use? When not tagged it's just 
incomplete data: foot=unknown - someone will add it sooner or later.

-- 
Alv

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Lauri Kytömaa

Roy Wallace wrote:
I have no idea what you would consider suitable for the common
cyclist. Please, at least write the criteria down.

Since it's the not signposted ways that are not evident and a common
cyclist is not looking for mountain bike trails, I'll try: shout if you 
disagree.

Absolute requirements:
* cycling is legal (e.g. some parts of Germany require a width of
   over 2 meters, or so I've read)
* way is not infested with roots or other sharp objects - things you
   could cross at walking pace only
* surface is not mud, loose/fine sand or other where the tires sink
   enough to slow down the cyclist.
* way is wide enough for two cyclists to pass - generally at least
   about 1.5 meters wide, but 1.2 might just suffice
* a cyclist can use it to get ''somewhere'' - at least one of the ways
   connected to it must be something else than steps or footway, but
   dead ends may exists if it's the way to a house or an amenity or
   attraction

And fullfills most or all of the following:
* way has at some point been built for traffic
* way is wide enough for three cyclists to pass (one in each direction
   and one overtaking) - over two meters
* visibility obstructions don't limit the safe speed below 20 km/h in
   corners (the max most cyclist can keep going for longer times)

Additionally: we've instructed the Finnish mappers to consider the other
ways suitable for cycling nearby - if there's a better/faster/wider/
flatter way in the same direction nearby, the smaller is better of as a
footway + bicycle=yes _when there's doubt_ and no signs. This has lead to
consistent results.

As to the example of your mother, I fully acknowledge that not all
mothers are alike but stereotypes are usable if they're consistent,
I should have it made more clear that I was referring to a person not
driving a mountain or trekking bike and with no intention of physical
exercise; let's make that your grandmother on a gearless city
bike hauling the groceries; she might have just bought a basket of
eggs.

-- 
Alv

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Nop
John Smith schrieb:
 --- On Wed, 12/8/09, Nop ekkeh...@gmx.de wrote:
 
 There is no consent on which way to go to express the strict use
 case.
 
 Does there need to be?

YES!!!

 Not that this implies that I agree or disagree but strictly from a
 technical point of view all you have to do is create/get an extract
 of a bounding area, not bounding box, covering Germany, you would
 probably need to clip exactly on the boundary, and then you write a
 bot to update all the highway=cycleway to be
 highway=path,bicycle=designated,foot=no

Which does not help you at all as you don't know which cycleways 
actually have a road sign and which just look suitable for cycling.

And you have to achieve a consent first whether designated actually 
means has a road sign or just mainly for cycling just like cycleway.

It's not that easy.

bye
Nop

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Nop
Hi!

James Livingston schrieb:
  On 12/08/2009, at 3:51 PM, Nop wrote:
  There is no consent on which way to go to express the strict use case.
 
  I think the only two solutions are to either have this be country- 
specific (at which point routers/renderers have to start knowing these 
kinds of things), or we have highway=cycleway not imply any value for 
foot at all.

Yes. Or we keep cycleway, but don't use it for road-signed cycling ways 
where it does not apply correctly. (e.g. in Germany)

bye
 Nop

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Nop

Hi!

Gustav Foseid schrieb:
 On Wed, Aug 12, 2009 at 7:51 AM, Nop ekkeh...@gmx.de 
 mailto:ekkeh...@gmx.de wrote:
 
 In the strict (German) use case, you need to distinguish between
 bicycle=allowed/suitable and bicycle=road sign.  This is not about
 marking a default, this is about describing the real situation precise
 enough to make deductions about access rights for _other_ traffic.

This is one possible way to go, but you are using assumptions which are 
diputed/interpreted differently.

 highway=cycleway (allowed and suitable)
 bicycle=dedicated (road sign)

Some people hold that designated is the same as cycleway, so it cannot 
describe a road sign. You could use bicycle=official instead, wich is 
rather new and not yet generally established.

 bicycle=yes = (not road sign)
 foot=yes/no (to make the situation clearer)

If you go for explicit tagging of all access rights you would at least 
have to also add horse=no

 
 highway=footway (not suitable)
 bicycle=yes (but allowed)
 bicycle=dedicated (signed)

A footway for cycling is not a valid combination to me.


Well basically your approach is a variant of the path+acess tags. You 
just leave cycleway alone and use it like path, expressing all the 
important information in access tags. This is a possible way to go if we 
can achieve consent on it, especially on the new tag offical which is 
required to express the legal road-signed status.


bye
Nop


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Jukka Rahkonen
Nop ekkehart at gmx.de writes:

 
 But the opposing argument works just the other way: If I look up 
 designated in a dictionary it means marked with a sign and it is the 
 only/most fitting tag for the purpose anyway, so in Germany 
 bicycle=designated must mean foot=no, so it cannot be the same as 
 highway=cycleway which means foot=yes. Or if it is the same, cycleway 
 must mean foot=no.

When cycling I am not interested in knowing what traffic sign some way has been
marked with. It is usually enough to know if it is bicycle=yes or bicycle=no.
Can't we just recommend to always use 'foot' and 'bicycle' tags? Designation
etc. could be extra attributes. That would also make database queries much more
simple and reliable. Ways meant for cycling could be selected as SELECT paths
WHERE bicycle=yes. Selecting WHERE bicycle=yes AND foot=no would give cycleways
with less tourists standing and taking photographs.
So basic tag set could be highway=path topped up with boolean foot=yes/no and
bicycle=yes/no.


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread John Smith

--- On Wed, 12/8/09, Nop ekkeh...@gmx.de wrote:

 Well basically your approach is a variant of the path+acess
 tags. You 
 just leave cycleway alone and use it like path, expressing
 all the 
 important information in access tags. This is a possible
 way to go if we 
 can achieve consent on it, especially on the new tag
 offical which is 
 required to express the legal road-signed status.

No it's not, use bicycle=designated like someone else suggested for indicating 
explicitly what is on a sign, bicycle=yes if it's suitable/allowed etc.


  

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Someoneelse
Shaun McDonald wrote:
 ... Are you  
 really trying to force cyclists on to major roads?

As a pedestrian, I can see advantages with this...


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Martin Simon
2009/8/12 John Smith delta_foxt...@yahoo.com:

 --- On Wed, 12/8/09, Nop ekkeh...@gmx.de wrote:

 Well basically your approach is a variant of the path+acess
 tags. You
 just leave cycleway alone and use it like path, expressing
 all the
 important information in access tags. This is a possible
 way to go if we
 can achieve consent on it, especially on the new tag
 offical which is
 required to express the legal road-signed status.

 No it's not, use bicycle=designated like someone else suggested for 
 indicating explicitly what is on a sign, bicycle=yes if it's suitable/allowed 
 etc.

In my opinion, suitability is a whole new topic that should'nt be
represented by *mode_of_transport*=yes/no, as it's highly subjective.
yes/no should solely describe the legal status.

-Martin

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Liz
On Wed, 12 Aug 2009, Shaun McDonald wrote:
 No. You should use highway=cycleway;bicycle=no if you have a cycle  
 path that you cannot walk on. Routing software already supports this.  
 They don't support routing cyclists over the highway=path. Are you  
 really trying to force cyclists on to major roads?


Shaun is what you typed actually what you meant?
highway=cycleway;pedestrian=no ???

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Shaun McDonald


On 12 Aug 2009, at 10:51, Liz wrote:


On Wed, 12 Aug 2009, Shaun McDonald wrote:

No. You should use highway=cycleway;bicycle=no if you have a cycle
path that you cannot walk on. Routing software already supports this.
They don't support routing cyclists over the highway=path. Are you
really trying to force cyclists on to major roads?



Shaun is what you typed actually what you meant?
highway=cycleway;pedestrian=no ???



Doh, not quite. I meant highway=cycleway;foot=no.

At least I know someone is paying attention ;-)

Shaun



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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Pieren
On Wed, Aug 12, 2009 at 9:55 AM, John Smithdelta_foxt...@yahoo.com wrote:

 --- On Wed, 12/8/09, Nop ekkeh...@gmx.de wrote:

 Well basically your approach is a variant of the path+acess
 tags. You
 just leave cycleway alone and use it like path, expressing
 all the
 important information in access tags. This is a possible
 way to go if we
 can achieve consent on it, especially on the new tag
 offical which is
 required to express the legal road-signed status.

 No it's not, use bicycle=designated like someone else suggested for 
 indicating explicitly what is on a sign, bicycle=yes if it's suitable/allowed 
 etc.

It seems that the word designated has different interpretations and
that's a point to clarify on the wiki. For me, designated means
with road sign.
Note that in France, pedestrians are not allowed on cycleways. I don't
see why we should add foot=no now in all cycleways in France. I read
somewhere that some motorways  in US gives access to bicycles. Does it
mean that we have to add bicycle=no to all other motorways in the
world ?

As said, when the way is designated for one mode of transport, then it
is easy to define a rule that everybody understand:
- only one road sign designated for bicycle : use highway=cycleway
- only one road sign designated for pedestrian : use highway=footway
For all other cases, use highway=path

Is that so complicated ?

When the cycleway gives access to pedestrians by local laws but it's
not expressed by a road sign, then add you
country/county/region/whatever in the list of implied values here:
http://wiki.openstreetmap.org/wiki/OSM_tags_for_routing/Access-Restrictions

For the German case, where the road sign is for both (bicycle and
foot) : use highway=path + bicycle=designated + foot=designated
as it is already suggested in the wiki
(http://wiki.openstreetmap.org/wiki/Tag:highway%3Dpath/Examples) (and
remove the highway=cycleway+foot=designated alternative because this
is exactly such things that create so much confusion).

Pieren

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Nick Whitelegg
This is a rather lenient definition that is unsuitable to depict the 
German use case. That is exactly the reason for the confusion we are 
having. If something is tagged as a cycleway and I am planning to walk 
on foot, I need to know whether it is an unsigned way assumed to be 
suitable for cycling (then I may use it as a pedestrian) or whether it 
is legally dedicated to cycling (then I must not use it as a pedestrian)

For the unsigned way assumed to be suitable for cycling, but with no 
definite legal right, I would use bicycle=permissive. In other words the 
assumption is that the owner of the path/land does not mind cyclists using 
it. Then, if it turns out that they do mind, we can change it to 
bicycle=no. 

I would apply a similar approach to paths too. I have no idea of exactly 
what the German law is on this, but when I was in the Schwarzwald last 
month, the paths/tracks in the forest were either waymarked by 
yellow/red/blue diamonds, or not waymarked at all (apart from the 
occasional Betreten verboten). 

I have not got round to marking these up yet, but my intention (German 
users, please feel free to tell me otherwise!) would be to tag the 
waymarked paths as

highway=path|track; foot=designated

and the unwaymarked tracks as

highway=track; foot=permissive

if I saw evidence of use e.g. someone walking along one, or simply

highway=track

if I literally didn't know whether the track was OK to use or not. (I 
would do the same in the uk)

Nick

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Tobias Knerr
DavidD wrote:
 Mapping is enough work as it is without having to frequently check
 proposals in the wiki.

A proposal should be be announced on the mailing lists, so you don't
need to check the wiki. That doesn't help people who don't read the
mailing lists, but the lack of a central communcaition channel is a
problem of its own.

Tobias Knerr


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Nick Whitelegg
In my opinion, suitability is a whole new topic that should'nt be
represented by *mode_of_transport*=yes/no, as it's highly subjective.
yes/no should solely describe the legal status.

Agreed. One can use the surface tag to do this together with SAC_scale 
etc (with which I'm not 100% familiar but do understand the general 
purpose of)

So

bicycle=designated; surface=rock; highway=path

for some of the bridleways you get in upland areas would indicate that 
bikes have a legal right to use it, but might not want to.

Nick

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Nop

Hi!

Nick Whitelegg schrieb:
 I have not got round to marking these up yet, but my intention (German 
 users, please feel free to tell me otherwise!) would be to tag the 
 waymarked paths as
 
 highway=path|track; foot=designated
 
 and the unwaymarked tracks as
 
 highway=track; foot=permissive

Waymarking has no legal impact whatsoever. Those ways are 
foot=yes/permnissive, bicycle=yes/permissive, horse=yes/permissive.

If you use designated for the waymarked ways without legal impact, then 
you need yet another tag (e.g. official) for the real cycleways with 
roadsigns and legal impact.

bye
Nop


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread James Livingston
On 12/08/2009, at 8:14 PM, Pieren wrote:
 Note that in France, pedestrians are not allowed on cycleways. I don't
 see why we should add foot=no now in all cycleways in France. I read
 somewhere that some motorways  in US gives access to bicycles. Does it
 mean that we have to add bicycle=no to all other motorways in the
 world ?

Either you have to do this, or software (in this case for routing)  
needs to know about all the quirks of different jurisdictions, which  
is a point I tried to make in the Australian-residential-tagging  
thread. In practice you probably wouldn't do it in the routing  
software itself, but when transforming the data from OSM format to  
whatever the router uses.

Having tags whose implications change from region to region is asking  
to confuse people. Back when I lived in the ACT (Australia), I  
wouldn't expect to be required to tag things differently  if I'm a few  
kilometres away from home, across the border in NSW.

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Greg Troxel

John Smith delta_foxt...@yahoo.com writes:

 --- On Wed, 12/8/09, James Livingston doc...@mac.com wrote:

 Going the other way and not having highway=footway imply
 any value for  
 bicycle would mean that people like me could tag something
 as a  
 footway and say that I don't know whether it's suitable for
 cycling on  
 by leaving the bicycle= out.

 It's most likely going to have to be jurisdiction specific, not just
 country specific in some instances. Going the other way and dealing
 with footway for example, NSW  Vic doesn't allow cyclists on
 footpaths, but ACT does.

This is a major philosophical issue for OSM.  I think it would be really
nice if there were a consistent scheme so that one could interpret what
was reasonable/allowed from tags alone without needing to know which way
local defaults to.  To some extent we are relying on similar traffic
laws in enough countries to declare a default, and to expect places
where those defaults are not true to tag as exceptions.

In the case of cycleway, the global norm seems to be that pedestrians
are permitted.  But we have to do either

define a default for each jurisdiction
  AND
  encode the default in the map with polygons
OR
  have some table for renderers)

OR

define a global default
  AND
tag all ways with exceptions to the global default


I also don't understand the comments about no default.  If we said
that highway=cycleway implied

  horse=no
  bicycle=yes
  foot=yes

then one would add tags if the reality is different (bicycle=designated
if there are signs or some legal designation, foot=no if pedestrians are
not allowed).  But if there is no default for foot, then what is
routing software to do?  If it uses the way, the default is yes, and if
doesn't, it's no.  So the notion of no default does not make at lot of
sense to me.

I still don't see how this bears on cycleway/footway vs path (except
that I do see the point that we have a human problem where humans think
they know what cycleway means but they are being fuzzy).

With highway=path, the wiki page does not give the semantics when there
are no tags.  For highway=path and no tags, is that horse=yes or
horse=no?  Is it paved or not if there is no tag?

The biggest problem is that there needs to be an unambiguous mapping
From these highway=foo tags to the implied value of the access subtags.
The next biggest is non-operational semi-circular definitions like
'highway=cycleway' being for 'designated cycleways' which talk about
'intent', although in practice one would ask (in en_US) do most people
think this is a bike path.


Maybe we'll end up with a definition of bridleway, cycleway and footway
in terms of path, with the notion that cycleway and footway are paved,
and path is unpaved if not otherwise tagged.


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Nick Whitelegg
[waymarked paths in Schwarzwald, Germany]

If you use designated for the waymarked ways without legal impact, then 
you need yet another tag (e.g. official) for the real cycleways with 
roadsigns and legal impact.

Thanks! In that case I'll just use permissive. Are there any 
Germany-specific tags for waymarked ways, to distinguish them from 
non-waymarked ways? In the Garmisch area for example, there are again 
waymarked paths (shown on maps in red) as well as non-waymarked paths. 

Thanks,
Nick

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Ben Laenen
Greg Troxel wrote:
 John Smith delta_foxt...@yahoo.com writes:
  It's most likely going to have to be jurisdiction specific, not just
  country specific in some instances. Going the other way and dealing
  with footway for example, NSW  Vic doesn't allow cyclists on
  footpaths, but ACT does.

 This is a major philosophical issue for OSM.  I think it would be really
 nice if there were a consistent scheme so that one could interpret what
 was reasonable/allowed from tags alone without needing to know which way
 local defaults to.  To some extent we are relying on similar traffic
 laws in enough countries to declare a default, and to expect places
 where those defaults are not true to tag as exceptions.

Except it's plainly impossible that someone is going to be able to make 
defaults for the entire world, and certainly no defaults that the entire world 
would be happy with. A large number of tags are already dependent on the 
country they're used in anyway. So trying to come up with global defaults 
doesn't make sense anymore, and will certainly make people in some countries 
unhappy if they suddenly have to add several tags to each way where those tags 
used to be implied, because suddenly global defaults were introduced.

And global defaults immediately break down at step one: defining vehicle 
classes. Those are just different in each country, and simply can't be merged.

The concern is also that:
(a) traffic code changes over time, so what's allowed today maybe wouldn't 
next year, even though the signs would stay the same, so we have to map in a 
way that we don't have to retag all roads if it does change (or worse: revisit 
each road because we don't have a method to know what was on the road)
(b) mappers don't exactly know the entire traffic code either so they wouldn't 
know of certain exceptions or rules, they can see the traffic signs though so 
it makes sense to have tags that somehow relate to those signs in an 
understandable way

I'm not saying we have to use traffic_sign=C9:M2 or something, but a tag that 
more or less says what's on the sign (like motorcar=no when it's a prohibition 
sign with the icon of a car), even when it's not just motorcars that are 
prohibited there, but all motorized vehicles with more than two wheels, like 
motorcycles with a sidecar.


 In the case of cycleway, the global norm seems to be that pedestrians
 are permitted.  But we have to do either

 define a default for each jurisdiction
   AND
   encode the default in the map with polygons
 OR
   have some table for renderers)

 OR

 define a global default
   AND
 tag all ways with exceptions to the global default

It definitely has to be
define a default for each jurisdiction
 AND
have some table (a library or whatever) for programs that need to know
the rules

But making that table will certainly not be an easy task... And table may be 
a bad word here, it would probably have to be something rule based, with for 
example conditional tests on certain tags, as one tag won't be enough to know 
access rules of all vehicles.


 With highway=path, the wiki page does not give the semantics when there
 are no tags.  For highway=path and no tags, is that horse=yes or
 horse=no?

I can only say how it's for Belgium: on a highway=path these vehicles are 
allowed unless there are other tags:
* foot
* bicycle
* horse
* moped_A
* moped_B
(those last two are subclasses of moped)

 Is it paved or not if there is no tag?

It's just unknown if there's no tag. Is a default really needed for surface?

 The biggest problem is that there needs to be an unambiguous mapping
 From these highway=foo tags to the implied value of the access subtags.
 The next biggest is non-operational semi-circular definitions like
 'highway=cycleway' being for 'designated cycleways' which talk about
 'intent', although in practice one would ask (in en_US) do most people
 think this is a bike path.

Can't agree more. I've done some work towards it for Belgium here 
http://wiki.openstreetmap.org/wiki/User:Eimai/Belgian_Roads#Paths
Note how cycleway/footway/bridleway are only used for paths with the round 
blue signs.

 Maybe we'll end up with a definition of bridleway, cycleway and footway
 in terms of path, with the notion that cycleway and footway are paved,
 and path is unpaved if not otherwise tagged.

There's really no need to define cycle/foot/bridleway in terms of path. They 
can have their own special use. Many legislations will have their notion of a 
cycleway, footway or bridleway, and they'll have their implications in terms 
of access rules (not necessarily on the path only, but as well on the adjacent 
road for example), who has to give way to whom etc. So it makes sense to align 
those definitions with the usage in OSM.

Greetings
Ben


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Alex Mauer
On 08/12/2009 05:14 AM, Pieren wrote:
 see why we should add foot=no now in all cycleways in France. I read
 somewhere that some motorways  in US gives access to bicycles. Does it
 mean that we have to add bicycle=no to all other motorways in the
 world ?

No, that would make no sense because most motorway-equivalents around
the world do not allow bicycles.  We have to add bicycle=yes to the
motorways that allow it.

designated means with a sign in most cases; however I am sure there
are some places in the world where it's only defined in the local law,
without actually being signed.  Hence the lack of it needs a sign in
the wiki for access=designated.

-Alex Mauer hawke



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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Nick Whitelegg
The highway=footway is IMHO an alias for the more complex highway=path 
foot=yes surface=paved etc. construction. I think aliases are 
perfectly legitimate constructs when dealing with very common 
situations, and furthermore, much easier for newbies to remember and 
deal with.

Perhaps, but I feel it's the *editors* that should wrap the complexities 
of tagging with human language equivalents for each, perhaps localised 
to the user's own country. 

Nick

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Martin Koppenhoefer
2009/8/12 Pieren pier...@gmail.com:
 as it is already suggested in the wiki
 (http://wiki.openstreetmap.org/wiki/Tag:highway%3Dpath/Examples) (and

btw: there is at least two tracks on the path-page as examples:
http://wiki.openstreetmap.org/images/0/07/Path-motorcarnohorseno.jpg
http://wiki.openstreetmap.org/images/d/d8/Path-nomotortraffic.jpg

It is not explicitly written on the page that paths have to be smaller
than roads (=tracks), but I always though it would be somehow implied
(as it was to replace footway which is smaller than a road as
otherwise is pedestrian).

also the definition at
http://wiki.openstreetmap.org/wiki/Approved_features/Path states for
access: open to all non-motorized vehicles, but emergency vehicles
are allowed
does this mean we have to explicitly exclude them for paths like this:
http://wiki.openstreetmap.org/images/5/52/PathSnowmobile.jpg
or this
http://wiki.openstreetmap.org/wiki/Image:06072009%28045%29.jpg

so the routers don't send the ambulances that way if it's shorter?

cheers,
Martin

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Gustav Foseid
On Wed, Aug 12, 2009 at 9:47 AM, Nop ekkeh...@gmx.de wrote:

 highway=footway (not suitable)
 bicycle=yes (but allowed)
 bicycle=dedicated (signed)


 A footway for cycling is not a valid combination to me.


In Norway you are allowed to cycle on all footways, unless explicitly
forbidden.

 - Gustav
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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Martin Koppenhoefer
2009/8/12 Gustav Foseid gust...@gmail.com:
 On Wed, Aug 12, 2009 at 9:47 AM, Nop ekkeh...@gmx.de wrote:

 highway=footway (not suitable)
 bicycle=yes (but allowed)
 bicycle=dedicated (signed)

 A footway for cycling is not a valid combination to me.

why not? In Germany: sign footway + additional sign: Fahrräder frei

 In Norway you are allowed to cycle on all footways, unless explicitly
 forbidden.

cheers,
Martin

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Ulf Möller
Shaun McDonald schrieb:

 They don't support routing cyclists over the highway=path. Are you  
 really trying to force cyclists on to major roads?

Huh? Which ones would that be? mkgmap and OpenRouteService certainly do.


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Ulf Möller
Nick Whitelegg schrieb:

 I would apply a similar approach to paths too. I have no idea of exactly 
 what the German law is on this, but when I was in the Schwarzwald last 
 month, the paths/tracks in the forest were either waymarked by 
 yellow/red/blue diamonds, or not waymarked at all (apart from the 
 occasional Betreten verboten). 

In Germany, you have a legal right to walk in open nature; the diamond 
waymarks are just for orientation. In most German states, cycling and 
horseback riding is also allowed on suitable ways. (In the Black 
Forest, cycling would require a way that is at least 2 meters wide.)

Land owners can restrict that right only for a few specific reasons.


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Nop

Hi!

Martin Koppenhoefer schrieb:
 highway=footway (not suitable)
 bicycle=dedicated (signed)
 A footway for cycling is not a valid combination to me.
 
 why not? In Germany: sign footway + additional sign: Fahrräder frei

That's yes, not designated.


bye
Nop


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Martin Koppenhoefer
2009/8/13 Nop ekkeh...@gmx.de:

 Hi!

 Martin Koppenhoefer schrieb:

 highway=footway (not suitable)
 bicycle=dedicated (signed)

 A footway for cycling is not a valid combination to me.

 why not? In Germany: sign footway + additional sign: Fahrräder frei

 That's yes, not designated.

Your mixing things up, that's path, here it was footway. What do you
mean by signed?

cheers,
Martin

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-12 Thread Alex Mauer
On 08/12/2009 12:46 PM, Martin Koppenhoefer wrote:
 so the routers don't send the ambulances that way if it's shorter?

That's meant to be interpreted as emergency=destination.  As far as I
know, emergency vehicles are pretty much allowed to go where they need
to; this gets back to the idea of suitability, which people are keen
to remove from the access=* tags.

-Alex Mauer hawke



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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-11 Thread Jacek Konieczny
On Tue, Aug 11, 2009 at 09:12:10AM +1000, Roy Wallace wrote:
  - Do we tag generic trails as highway=path or does this tag have a more
  complex meaning?
 
 I don't think there is any such thing as a generic trail. I think
 highway=path should simply imply that the way is a physical route used
 for travel but not suitable for cars. Additional tags seem to be
 necessary to describe details, if available.

Then why don't we use just 'highway=road' for any physical route that is
suitable for cars? With your reasoning highway=motorway, highway=trunk,
highway=residental, etc. are unnecessary, as the properties can be
described with other tags…  But we have the another layer of abstraction
and I think it proved useful. We could define motorway by its surface,
width, number of lanes, vehicles which are allowed and which are not,
but this does not make things simple  and would make interpretation of
the map very hard. Classifying ways into
motorways/primary/secondary/residental makes things simpler.

The same should be true for ways useful or dedicated for pedestrians and
cyclists. 

IMHO path should be the same thing for foot/cycleways what a 'track' is
for 4-wheel vehicles. Higher-level ways should be tagged as
footway/cycleway/pedestrian.


Greets,
Jacek

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-11 Thread Tom Hughes
On 11/08/09 01:57, Alex Mauer wrote:
 On 08/10/2009 05:31 PM, Liz wrote:

 I would consider that if we have thousands of mappers, that we should set a
 quorum for a vote
 so that unless at least x hundred people vote the vote is not valid

 From
 http://wiki.openstreetmap.org/wiki/Proposed_features#Proposal_Status_Process:
 8 unanimous approval votes or 15 total votes with a majority approval

 It seems to me that we have one.

That's a completely ridiculous quorum when we have 1 active mappers. 
If the process says that eight people can get together and tell 
thousands of people that they've been doing it wrong for the last five 
years and should start retagging everything according to some new scheme 
then the process is broken.

Tom

-- 
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http://www.compton.nu/

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-11 Thread Jukka Rahkonen
Hi,

For my mind this starts to be far too complicated for most of the mappers and
users as well. Let's assume there is a smallish way/path/track or whatever it is
called. Anyway, something that is not meant for car traffic. I would believe
that majority of people would be satisfied if they just knew if they are allowed
to walk or cycle along that way/track/path. This need could be satisfied with
two toggle switches and four resulting combinations:
walking=yes/cycling=yes, walking=yes/cycling=no, walking=no/cycling=yes,
walking=no/cycling=no.

This information would be enough for me at least when walking or cycling in a
city. Other information that would be useful for more advanced and sophisticated
use could be given with additional tags. I can imagine myself feeding
information about paved/unpaved surface sometimes.


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-11 Thread Tom Hughes
On 11/08/09 08:50, Roy Wallace wrote:
 On Tue, Aug 11, 2009 at 5:31 PM, Tom Hughest...@compton.nu  wrote:
 That's a completely ridiculous quorum when we have 1 active mappers.
 If the process says that eight people can get together and tell
 thousands of people that they've been doing it wrong for the last five
 years and should start retagging everything according to some new scheme
 then the process is broken.

 What would you suggest? It is quite possible that the effect of
 increasing the number of necessary votes will only result in slowing
 down progress. Do you instead expect that it would increase the
 quality of the accepted proposals? Or are you saying that new ways of
 tagging things are just bad in general??

Well the hurdle to jump to change an existing tagging should certainly 
be much higher than the hurdle to introduce a new tag for something that 
hasn't been tagged before.

Tom

-- 
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http://www.compton.nu/

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-11 Thread Tom Chance

On Tue, 11 Aug 2009 09:02:28 +0100, Tom Hughes t...@compton.nu wrote:
 On 11/08/09 08:50, Roy Wallace wrote:
 What would you suggest? It is quite possible that the effect of
 increasing the number of necessary votes will only result in slowing
 down progress. Do you instead expect that it would increase the
 quality of the accepted proposals? Or are you saying that new ways of
 tagging things are just bad in general??
 
 Well the hurdle to jump to change an existing tagging should certainly 
 be much higher than the hurdle to introduce a new tag for something that 
 hasn't been tagged before.

Which is precisely why I made a simple proposal for a new process in these
situations.

It may not be the right process, but we have to admit that the case of
highway=path - notwithstanding the merit of that proposal - shows the
current process is quite broken.

Regards,
Tom

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-11 Thread Frederik Ramm
Hi,

Tom Chance wrote:
 Well the hurdle to jump to change an existing tagging should certainly 
 be much higher than the hurdle to introduce a new tag for something that 
 hasn't been tagged before.
 
 Which is precisely why I made a simple proposal for a new process in these
 situations.

But isn't what TomH writes above exactly what we have? If you introduce 
something new that was never tagged before, you simply tag it any way 
you think makes sense and it is *very* unlikely that you will run into 
criticism; a few months down the road, when someone else asks how this 
thing should be tagged, you could say that you've been using this and 
that for a while now and he can just do the same.

On the other hand, if your desire is to change something that already 
exists and ask people to tag it differently from now on, or even worse 
if you want people to agree on a blanket automatic change of millions of 
existing objects, then you'll have a much harder time convincing people 
that this is required.

All this without any formal quorum or vote.

Bye
Frederik


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-11 Thread Tom Chance

On Tue, 11 Aug 2009 10:23:09 +0200, Frederik Ramm wrote:
 Tom Chance wrote:
 Well the hurdle to jump to change an existing tagging should certainly 
 be much higher than the hurdle to introduce a new tag for something
that
 hasn't been tagged before.
 
 Which is precisely why I made a simple proposal for a new process in
 these
 situations.
 
 But isn't what TomH writes above exactly what we have? If you introduce 
 something new that was never tagged before, you simply tag it any way 
 you think makes sense and it is *very* unlikely that you will run into 
 criticism; a few months down the road, when someone else asks how this 
 thing should be tagged, you could say that you've been using this and 
 that for a while now and he can just do the same.
 
 On the other hand, if your desire is to change something that already 
 exists and ask people to tag it differently from now on, or even worse 
 if you want people to agree on a blanket automatic change of millions of 
 existing objects, then you'll have a much harder time convincing people 
 that this is required.
 
 All this without any formal quorum or vote.

No, this isn't exactly the happy situation TomH writes about. The
highway=path example illustrates two dysfunctions with the current anarchic
approach:

1 – Nobody can actually agree what highway=path means so it is being used
in different senses all over the world, which reduces its usefulness to
near zero

2 – One of the senses in which it is used, which was a large part of its
original proposal, did in fact duplicate or deprecate existing tags (some
of the oldest and most commonly used tags, in fact). Now we have them both
operating in parallel, which is pointless and problematic for reasons
previously explained

We currently have no process for dealing with these problems, nor with (for
example) the evident shortcomings of natural world / countryside tagging,
as the hopeless disagreements around forest/wood illustrate. The OSM
community can either pretend that we live in a world of perfect information
and emergent consensus, or we can grow up and take a leaf out of every
other successful open source project and set-up some processes where
consensus is more difficult to reach.

Regards,
Tom

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-11 Thread Shaun McDonald


On 11 Aug 2009, at 09:20, Lauri Kytömaa wrote:



Roy Wallace wrote:

Is tagging the primary users intended to use the way verifiable? If
not, it shouldn't be tagged. If it is, then is footway/cycleway


As fine as it as a guideline, verifiability as a topic and was
introduced into the wiki only in 2009, while footway and cycleway have
been successfully used since ... the beginning.


Even so the on the ground rule and verifiability have not been on the  
wiki for long. They have been the unwritten norms of the community  
since the beginning. With various topics being brought up on the  
mailing list, these unwritten community norms are being written down  
so that everyone can see them. It is also part of the process of the  
community maturing.


Shaun



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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-11 Thread Frederik Ramm
Hi,

Tom Chance wrote:
 1 – Nobody can actually agree what highway=path means so it is being used
 in different senses all over the world, which reduces its usefulness to
 near zero

Perhaps it really *is* useless and it was good that our process 
demonstrated that?

 We currently have no process for dealing with these problems, nor with (for
 example) the evident shortcomings of natural world / countryside tagging,
 as the hopeless disagreements around forest/wood illustrate. The OSM
 community can either pretend that we live in a world of perfect information
 and emergent consensus

In my eyes, it is not required that the same tagging rules are used all 
over the world. It may be a pet peeve of mine but I think that the 
majority of people take this as given without ever spending a second 
thinking about whether this might not create more problems than it 
solves. We solve loads of very complex problems all the time - are we 
really sure that we are unable to cope with a database in which, say, 
Canada uses a slightly different tagging scheme than does Scandinavia? 
Do we really have to steamroll everyone in the whole world into 
submission to some sort of consensus with people on the other side of 
the planet?

 or we can grow up and take a leaf out of every
 other successful open source project and set-up some processes where
 consensus is more difficult to reach.

I think that consensus is totally overrated. Rough consensus makes 
sense, but we have that, and everything else will work itself out 
eventually. All this talk about OSM being useless if consensus doesn't 
exist for the smallest detail is just scaremongering by people who 
cannot cope with complexity or diversity.

Bye
Frederik


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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-11 Thread Emilie Laffray
2009/8/11 Frederik Ramm frede...@remote.org

 Hi,

 Tom Chance wrote:
  Well the hurdle to jump to change an existing tagging should certainly
  be much higher than the hurdle to introduce a new tag for something that
  hasn't been tagged before.
 
  Which is precisely why I made a simple proposal for a new process in
 these
  situations.

 But isn't what TomH writes above exactly what we have? If you introduce
 something new that was never tagged before, you simply tag it any way
 you think makes sense and it is *very* unlikely that you will run into
 criticism; a few months down the road, when someone else asks how this
 thing should be tagged, you could say that you've been using this and
 that for a while now and he can just do the same.

 On the other hand, if your desire is to change something that already
 exists and ask people to tag it differently from now on, or even worse
 if you want people to agree on a blanket automatic change of millions of
 existing objects, then you'll have a much harder time convincing people
 that this is required.

 All this without any formal quorum or vote.


+1
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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-11 Thread David Earl
2009/8/11 Frederik Ramm frede...@remote.org mailto:frede...@remote.org
 On the other hand, if your desire is to change something that already
 exists and ask people to tag it differently from now on, or even worse
 if you want people to agree on a blanket automatic change of millions of
 existing objects, then you'll have a much harder time convincing people
 that this is required.


I think we are at a turning point now.

Up to now, we could get away with changing existing tags, but as people 
start to use OSM for real world tasks and base software on it that is 
outside the OSM community, like other file formats, we really have to be 
more controlled about upward compatibility and support. People won't use 
OSM if we keep changing it in unexpected ways under their feet.

We may realise we made a mistake doing something on way and not another, 
but we have to take into account the impact and cost of changes against 
the perceived problem something causes.

For example, changing highway=gate to barrier=gate. That allowed for a 
consistent way of presenting barriers, but at the expense of anyone 
relying on gates to block routing through them for example not working 
(and if they weren't aware of the change - why should they be? - theior 
programs stopped being effective). This was a largely cosmetic change, a 
change for tidiness sake, not because it was necessary.

Changing the common tags like footway/path or the main highway 
designations would be a disaster for these reasons.

Consumers (people and software) want to have confidence in what we 
provide. They are worried about that from the point of view of people 
adding incorrect map data or not having complete map data, and breaking 
their software because of an arbitrary incompatible change adds to this. 
We need to live with our quirks, poor choices and so on more as time 
moves on.

David



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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-11 Thread Lauri Kytömaa

Shaun McDonald wrote:
 As fine as it as a guideline, verifiability as a topic and was
 Even so the on the ground rule and verifiability have not been on the wiki 
 for long. They have been the unwritten norms of the community since the

I'm all for referring to that verifiability where it comes to legal and 
physical attributes (e.g. access=yes/designated/no or building:levels or 
width), yet trying to squeeze by force the old tags to comply - to the 
letter - to that norm seems counter productive. As with car access on 
very rough tracks: there could be tens of tags to describe the ground 
clearance, wheel size and suspension travel etc. required to get through, 
but instisting people start measuring them is too much work that anyone 
else would start doing so - users require something simplified from that - 
even if there's no widely accepted solution yet.

The description of a way for other users than cars varies on multiple axes 
and fitting all that into one tag seems impossible; yet it's most of the 
time reasonable and simple to divide the decision space into two sets: 
cycleway and footway and use additional tags from there on. Some ways then 
are borderline cases or sufficiently outside of those two sets that they 
necessitate some other solution.

Most of the time the intended use is unambiguous, either signedposted or 
evident from the location or structure. Where it's not, I trust people can 
classify things on a closed scale, even if with some personal judgement 
And to make those cases easier, there is a need for something in addition 
to the footway/cycleway pair.

(Where does a coniferous forest turn into a mixed forest? One birch? One 
birch for every ten pinetrees? 25:75 distribution?)

Much of the discussion would have been avoided if the documentation of 
footway and cycleway had been more exact already in the fall 2007 - it 
took me then quite a lot of reading to get to the logic and implications 
behind them, and many don't read that much of the scattered documentation 
which has lead to some of the pages having been changed around and 
misconceptions.

The big question is just how can that be fixed?

Alv

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Re: [OSM-talk] Proliferation of path vs. footway

2009-08-11 Thread Emilie Laffray
2009/8/11 David Earl da...@frankieandshadow.com

 2009/8/11 Frederik Ramm frede...@remote.org mailto:frede...@remote.org
  On the other hand, if your desire is to change something that already
  exists and ask people to tag it differently from now on, or even
 worse
  if you want people to agree on a blanket automatic change of millions
 of
  existing objects, then you'll have a much harder time convincing
 people
  that this is required.


 I think we are at a turning point now.

 Up to now, we could get away with changing existing tags, but as people
 start to use OSM for real world tasks and base software on it that is
 outside the OSM community, like other file formats, we really have to be
 more controlled about upward compatibility and support. People won't use
 OSM if we keep changing it in unexpected ways under their feet.

 We may realise we made a mistake doing something on way and not another,
 but we have to take into account the impact and cost of changes against
 the perceived problem something causes.

 For example, changing highway=gate to barrier=gate. That allowed for a
 consistent way of presenting barriers, but at the expense of anyone
 relying on gates to block routing through them for example not working
 (and if they weren't aware of the change - why should they be? - theior
 programs stopped being effective). This was a largely cosmetic change, a
 change for tidiness sake, not because it was necessary.

 Changing the common tags like footway/path or the main highway
 designations would be a disaster for these reasons.

 Consumers (people and software) want to have confidence in what we
 provide. They are worried about that from the point of view of people
 adding incorrect map data or not having complete map data, and breaking
 their software because of an arbitrary incompatible change adds to this.
 We need to live with our quirks, poor choices and so on more as time
 moves on.


I agree. We are starting to see people using OpenStreetMap data and they are
now expecting some relatively well defined tags (minus the fuzzy definition
for some). I am myself in that position. I am not sure I want to spend hours
and hours to rewrite programs that are using some already defined scheme. We
have to live with it, and to agree on the basic definition.
There were some talks on agreeing on a definition, and I strongly believe
that we should start here. While the current system may seem simple, I think
it solves most, if not all problems. We are starting to split hairs in an
impressive number of ways (and I won't even talk about the number nodes
underpinning those ways). I understand that we want to reach some kind of
perfection but as we say in France (in a very rough translation), the
better is the enemy of good.
In addition, there is a time where we have to decide to go with a system
even if we know it is partially flawed. If it was an IT project, we would
have gone over budget so many times that I would be scared to show my face
to my bosses. I am not saying that we should compare OSM to an IT project,
but we have to consider that there is currently an ecosystem out there using
OSM with its current assumption and that if we keep changing things, we will
lose people as it is a mess. After all, one of the rule of the Linux kernel
is not to change any ABI. Once it is there, it stays there as it may break
applications depending on that interface.
As Frederik clearly stated and very rightfully, if your new tag is solving a
new problem that nobody got before, no one will be complaining about it. We
should stop reinventing the wheel.
Let's work on those definitions first to make sure that everyone and every
languages are on the same wavelength.
In addition, I strongly believe that committees in a semi chaotic project
are useless. I don't think the foundation should be involved in any of the
tags decision. The foundation is not here to decide on the content.

Emilie Laffray
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