[Talk-GB] PRoW Ref tagging when ROW is also a road

2012-06-21 Thread Rob Nickerson
Hi All,

I agree that prow:ref would work well (although I guess there is a
risk that the 'p' might get missed sometimes). If you are looking for
another suggestion how about designation:ref as the ref is directly
related to the designation=row type? This suggestion was inspired by
the current discussions on the tagging mailing list - i.e. 'hgv is a
shortcut for access:hgv'

In regards to the reference value itself: I have also seen councils
using number.link number after the parish name.

Regards,
RobJN

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Re: [Talk-GB] PRoW Ref tagging when ROW is also a road

2012-06-20 Thread David Groom



- Original Message - 
From: Gregory nomoregra...@googlemail.com

To: Richard Fairhurst rich...@systemed.net
Cc: talk-gb@openstreetmap.org
Sent: Tuesday, June 19, 2012 2:11 PM
Subject: Re: [Talk-GB] PRoW Ref tagging when ROW is also a road



On 19 June 2012 14:07, Richard Fairhurst rich...@systemed.net wrote:


David Groom wrote:
 However at the north end there is a (newly erected) public footpath
 sign showing a footpath ref of B64, pointing straight down this road,
 and the definitive map shows this as a footpath.

I use admin:ref for refs that are predominantly intended for
administrative usage, rather than public-facing usage.


Now that sounds like tagging for the renderer.

The problem in the stated case, is that there is potentially a footpath 
ref

and a road ref.
I would want to suggest something like footpath:ref=B64 or prow:ref=B64,
but I don't think either is used or documented anywhere.



Thanks everyone for the comments

I like the idea of prow:ref. I think footpath:ref a bit too specific, we'd 
then need bridleway:ref, not to mention boat:ref (for byways open to all 
traffic) which could be just TOO confusing!


I've also found one instance of  where the problem mentioned by Andy, of a 
way needing both a road ref and a prow ref, see 
http://www.openstreetmap.org/browse/way/28919456 which currently is tagged 
ref = A49;Cuddington FP 24


Certainly here on the Isle of Wight, I think the use of the reference number 
has gone beyond just administrative purposes.  A large majority of the 
footpath/bridleway signs have the ref on them (and I think all the more 
recent ones do).  Walking guides and trail leaflets commonly refer to paths 
by using their reference number.


In the UK at present there seem to be 7,004 ways tagged with designation =* 
and ref = *, of which 941 are on the Isle of Wight. I'd be quite confident 
about changing the relevant Isle Of Wight ways to prow:ref , but would not 
want to mass change all the UK ones.


It would be good to hear comments from user mikh43, and Robert Whittaker, as 
the three of us account for 80% of the users who last edited those 7004 ways


Regards

David



Gregory
o...@livingwithdragons.com
http://www.livingwithdragons.com








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Re: [Talk-GB] PRoW Ref tagging when ROW is also a road

2012-06-20 Thread Robert Whittaker (OSM)
On 20 June 2012 12:44, David Groom revi...@pacific-rim.net wrote:
 I like the idea of prow:ref. I think footpath:ref a bit too specific, we'd
 then need bridleway:ref, not to mention boat:ref (for byways open to all
 traffic) which could be just TOO confusing!
[snip]
 In the UK at present there seem to be 7,004 ways tagged with designation =*
 and ref = *,
[snip]
 It would be good to hear comments from user mikh43, and Robert Whittaker, as
 the three of us account for 80% of the users who last edited those 7004 ways

If we decide that we need to have a key other than ref for PRoW
numbers, then prow:ref seems to me be the best option from anything
that's I've seen suggested here. And I can't think of anything better
myself.

Given that there is a potential clash with road reference numbers
(which rightly should take priority) and there are definitely cases
where this arises, then perhaps it would indeed be better to use a
different key for the footpath etc numbers.

If we do make a decision to go with prow:ref, then I think we should
try to bulk change the existing uses of ref for PRoW numbers. It would
probably be relatively easy to semi-manually review all 7,000 uses of
a ref value on a way with a designation. For example, we should be
safe with any values that contain only letters and numbers (so is
unlikely to be a combination of two different refs separated by ; or
/) and ends in FP n, BR n, RB n or BY n where n is any
number (so looks like a PRoW number). This will probably cover any
that I've added, and I'd be happy for them to be changed
automatically. If there were any other common formats, we could
probably match them too, and then only have to manually review the
much smaller number that's left.

Robert.

-- 
Robert Whittaker

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[Talk-GB] PRoW Ref tagging when ROW is also a road

2012-06-19 Thread David Groom
Longwood Lane  when driving a car along it looks pretty much like a normal 
highway, although it is rather narrow.  It has an asphalt surface, and when 
turning in from the north, or south there is nothing to show there is 
anything special about this road at all from a vehicles point of view.


However at the north end there is a (newly erected) public footpath sign 
showing a footpath ref of B64, pointing straight down this road, and the 
definitive map shows this as a footpath.


Currently I've tagged this way as follows:

highway = unclassified
designation = public_footpath
ref = B64
name =  Longwood Lane

The problem is that the map now displays the ref, as if it were a road 
ref, whilst no other footpath refs get shown


http://www.openstreetmap.org/?lat=50.664715lon=-1.168427zoom=15layers=M 
. (see laso B33a and NC45a to the WNW of B64)


Is this:

a) Not a problem at all;
b) simply a problem for the rendering, and no change to the tagging is 
required;

c) a possible problem with the tagging?


David 




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Re: [Talk-GB] PRoW Ref tagging when ROW is also a road

2012-06-19 Thread Richard Fairhurst
David Groom wrote:
 However at the north end there is a (newly erected) public footpath 
 sign showing a footpath ref of B64, pointing straight down this road, 
 and the definitive map shows this as a footpath.

I use admin:ref for refs that are predominantly intended for
administrative usage, rather than public-facing usage. (The obvious example
of this in the UK is C roads.) That would seem to work here too: granted,
the one you mention appears to be signposted but I presume that's more for
fault-reporting purposes - dear County Council, the farmer has a bull
roaming free in the field crossed by B64, that sort of thing - rather than
actually expecting people to say oh, I went for a nice walk on B64 today.

cheers
Richard



--
View this message in context: 
http://gis.19327.n5.nabble.com/Re-PRoW-Ref-codes-WAS-Hampshire-Rights-of-Way-Data-released-under-OS-OpenData-licence-tp5710929p5713398.html
Sent from the Great Britain mailing list archive at Nabble.com.

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Re: [Talk-GB] PRoW Ref tagging when ROW is also a road

2012-06-19 Thread Gregory
On 19 June 2012 14:07, Richard Fairhurst rich...@systemed.net wrote:

 David Groom wrote:
  However at the north end there is a (newly erected) public footpath
  sign showing a footpath ref of B64, pointing straight down this road,
  and the definitive map shows this as a footpath.

 I use admin:ref for refs that are predominantly intended for
 administrative usage, rather than public-facing usage.

Now that sounds like tagging for the renderer.

The problem in the stated case, is that there is potentially a footpath ref
and a road ref.
I would want to suggest something like footpath:ref=B64 or prow:ref=B64,
but I don't think either is used or documented anywhere.

-- 
Gregory
o...@livingwithdragons.com
http://www.livingwithdragons.com
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Re: [Talk-GB] PRoW Ref tagging when ROW is also a road

2012-06-19 Thread Richard Fairhurst
Gregory wrote:
 On 19 June 2012 14:07, Richard Fairhurst rich...@systemed.net wrote:
 I use admin:ref for refs that are predominantly intended for
 administrative usage, rather than public-facing usage.
 Now that sounds like tagging for the renderer.

How dare you! :p

In road terms, there is a big difference between the C64 and the
B2018. The former is of no use to man nor beast, unless man or beast
happens to work for the County Council. Tell me, what would you think if
your satnav suddenly told you at the next roundabout, take the
[unsignposted] C64?

cheers
Richard




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Re: [Talk-GB] PRoW Ref tagging when ROW is also a road

2012-06-19 Thread Gregory
On 19 June 2012 14:13, Richard Fairhurst rich...@systemed.net wrote:

 Gregory wrote:
  On 19 June 2012 14:07, Richard Fairhurst rich...@systemed.net wrote:
  I use admin:ref for refs that are predominantly intended for
  administrative usage, rather than public-facing usage.
  Now that sounds like tagging for the renderer.

 How dare you! :p

 In road terms, there is a big difference between the C64 and the
 B2018. The former is of no use to man nor beast, unless man or beast
 happens to work for the County Council. Tell me, what would you think if
 your satnav suddenly told you at the next roundabout, take the
 [unsignposted] C64?


 I would think, wow OSM data is much more complete than TomTom. (and then
I'd have to dangerously look at the screen to see which exit it was).

But my GPS could be clever and not tell me unless it's a primary or
secondary road.
The Standard/Mapnik rendering shows the C-road ref in a different style,
instead it could decide not to show those refs at all. I think they look a
bit messy so I would agree with this style change.

If man nor beast works at the County Council, who does(I often wonder this)?

-- 
Gregory
o...@livingwithdragons.com
http://www.livingwithdragons.com
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Re: [Talk-GB] PRoW Ref tagging when ROW is also a road

2012-06-19 Thread Philip Barnes
On Tue, 2012-06-19 at 14:33 +0100, Gregory wrote:
 
 
 On 19 June 2012 14:13, Richard Fairhurst rich...@systemed.net wrote:
 Gregory wrote:
  On 19 June 2012 14:07, Richard Fairhurst
 rich...@systemed.net wrote:
 
  I use admin:ref for refs that are predominantly intended
 for
  administrative usage, rather than public-facing usage.
  Now that sounds like tagging for the renderer.
 
 
 How dare you! :p
 
 In road terms, there is a big difference between the C64 and
 the
 B2018. The former is of no use to man nor beast, unless man
 or beast
 happens to work for the County Council. Tell me, what would
 you think if
 your satnav suddenly told you at the next roundabout, take
 the
 [unsignposted] C64?
 
 
 I would think, wow OSM data is much more complete than TomTom. (and
 then I'd have to dangerously look at the screen to see which exit it
 was).
 
 
 But my GPS could be clever and not tell me unless it's a primary or
 secondary road.
 The Standard/Mapnik rendering shows the C-road ref in a different
 style, instead it could decide not to show those refs at all. I think
 they look a bit messy so I would agree with this style change.
 
 
 If man nor beast works at the County Council, who does(I often wonder
 this)?
 
A neighbouring mapper to me does work for the Council, and his area is
complete with C road numbers.

Phil



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Re: [Talk-GB] PRoW Ref tagging when ROW is also a road

2012-06-19 Thread Andy Allan
On 19 June 2012 12:59, David Groom revi...@pacific-rim.net wrote:

 a) Not a problem at all;
 b) simply a problem for the rendering, and no change to the tagging is
 required;
 c) a possible problem with the tagging?

I'd say c). It seems to me like the road reference number (e.g. A514)
and public right of way reference number (e.g. B442) are not mutually
exclusive - i.e. a particular way could have both a road reference
number and also a public right of way reference number. If we are
using the same tag key (i.e. ref) for non-mutually exclusive tags,
then that suggests to me there's a problem with the tagging.

Cheers,
Andy

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Re: [Talk-GB] PRoW Ref tagging when ROW is also a road

2012-06-19 Thread Andy Allan
On 19 June 2012 14:11, Gregory nomoregra...@googlemail.com wrote:

 I use admin:ref for refs that are predominantly intended for
 administrative usage, rather than public-facing usage.

 Now that sounds like tagging for the renderer.

No, that's not true. Please see
http://wiki.openstreetmap.org/wiki/Tagging_for_the_renderer ,
especially:

the tags being used are accurate and not misleading - that describes
to me the use of admin:ref. If Richard was using, say,
source:generator = B234, or landuse = B234 that would be
deliberately tag[ging] incorrectly for the renderer.

Cheers,
Andy

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