Re: [OSM-talk] Rights of way again

2009-03-23 Thread Mike Harris
For non-motorised ways access=private etc. becomes more important in e.g.
England and Wales where the public has no rights other than on public rights
of way (more or less the opposite of the allmannsrätt etc. e.g. in Nordic
countries) and paths on the ground are not always easily distinguished. I
don't often use access=private nut access=permissive is often useful as it
describes the situation on the ground for e.g. a footpath where a landowner
allows people to walk but they have no legal right to do so.

Mike Harris

-Original Message-
From: Ciaran Mooney [mailto:general.moo...@googlemail.com] 
Sent: 23 March 2009 15:07
To: talk@openstreetmap.org
Subject: Re: [OSM-talk] Rights of way again

Hi,

>>and then use access= to describe privacy or otherwise ...
>
> Hmm, I haven't done that so far.  My normal policy is that if it's 
> clearly private (like the path to someone's front door) I will not map it
at all.
> But
> communal paths shared between two or more houses, or on commercial 
> rather than residential land, I will add.

I will map anything that my access has not been restricted to. Ie A road is
obviously private, however access has not been restricted by a gate etc.
Occasionally I get asked a few questions, but explaining the situation
usually gets a good response. If I'm asked to leave on road that is private
I will leave. Simple.

Ciarán




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Re: [OSM-talk] Rights of way again

2009-03-23 Thread Ciaran Mooney
Hi,

>>and then use access= to describe privacy or otherwise ...
>
> Hmm, I haven't done that so far.  My normal policy is that if it's clearly
> private (like the path to someone's front door) I will not map it at all.
> But
> communal paths shared between two or more houses, or on commercial rather
> than
> residential land, I will add.

I will map anything that my access has not been restricted to. Ie A
road is obviously private, however access has not been restricted by a
gate etc. Occasionally I get asked a few questions, but explaining the
situation usually gets a good response. If I'm asked to leave on road
that is private I will leave. Simple.

Ciarán

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Re: [OSM-talk] Rights of way again

2009-03-23 Thread Ed Avis
Mike Harris  googlemail.com> writes:

>I probably would tend to use 'service' for both (based on function) and use
>'track' for something unsurfaced (tracktype=) but wide enough for a
>4-wheeled vehicle

Agreed, this is what I do (sorry it wasn't clear).  If it has grass growing on
it then it's a 'track', if it is well-maintained it's a 'service road'.

>and then use access= to describe privacy or otherwise ...

Hmm, I haven't done that so far.  My normal policy is that if it's clearly
private (like the path to someone's front door) I will not map it at all.  But
communal paths shared between two or more houses, or on commercial rather than
residential land, I will add.

-- 
Ed Avis 



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Re: [OSM-talk] Rights of way again

2009-03-21 Thread Mike Harris
I probably would tend to use 'service' for both (based on function) and use
'track' for something unsurfaced (tracktype=) but wide enough for a
4-wheeled vehicle and then use access= to describe privacy or otherwise ...
But each to his own! 


Mike Harris

-Original Message-
From: Ed Avis [mailto:e...@waniasset.com] 
Sent: 05 March 2009 10:43
To: talk@openstreetmap.org
Subject: Re: [OSM-talk] Rights of way again

Mike Harris  googlemail.com> writes:

[private roads]

>How about using highway=service (and even including service=driveway) 
>for some of these as these are existing documented tags?

Yes, I sometimes use service and sometimes track.  In general if it's a
dead-end path to a set of garages I call it a 'track', while a
well-maintained road that just happens to be private is 'service'.

--
Ed Avis 








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Re: [OSM-talk] Rights of way again

2009-03-05 Thread Ed Avis
Mike Harris  googlemail.com> writes:

[private roads]

>How about using highway=service (and even including service=driveway) for
>some of these as these are existing documented tags?

Yes, I sometimes use service and sometimes track.  In general if it's a dead-end
path to a set of garages I call it a 'track', while a well-maintained road that
just happens to be private is 'service'.

--
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Re: [OSM-talk] Rights of way again

2009-03-05 Thread Mike Harris
How about using highway=service (and even including service=driveway) for
some of these as these are existing documented tags?

OTOH I do sometimes feel a need for tagging a public right of way footpath
that is not physically walkable! Usually I add a note if the presets for
obstructions / barriers do not suffice.

Some better rendering of some of the barriers e.g. =fence would be nice - - 


Mike Harris

-Original Message-
From: Ed Avis [mailto:e...@waniasset.com] 
Sent: 03 March 2009 11:21
To: talk@openstreetmap.org
Subject: Re: [OSM-talk] Rights of way again

I am always coming across private roads, which are physically there but not
rights of way, and occasionally footpaths which are rights of way but not
physically passable!  I am surprised that a schema for representing this
hasn't been developed already.

I have seen access=private suggested for the former case.  Although often
there are privately roads which are still accessible to the public, for
example the track past some playing fields to a sports pavilion, or the
pavement of London's South Bank which is privately owned but a public space.

If you wanted to be fully general you would have a table of flags, for
example a bridle path:

  Physical   Designation
Foot  yesyes
Bicycle   yesyes
Horse yesyes
Motorcar  yesno

I think this is going too far.  I would be happy with designation=footpath,
designation=bridle_path, and designation=byway to mark ways which look
unpaved physically but are rights of way, and access=private to mark those
which look inviting but are in practice unusable by the public.

The in-between cases of a privately owned space which is open to the public
(like the South Bank) and a road which is not public but not completely
forbidden either (like a drive leading to a country hotel) I would be happy
to leave untagged.

There are also some where you're not quite sure if they are private or not,
like a track between two houses leading to a shared garage area.  I tend to
map these as highway=track, which fairly represents the physical condition
of the road and also gives a hint to the map reader that they might be
semi-private.  I don't feel a burning need for a tag to represent this,
especially as IANAL and I don't know exactly what the access rights are.

--
Ed Avis 





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Re: [OSM-talk] Rights of way again

2009-03-05 Thread Mike Harris
Nick

I'm very much with you on this. In fact, I have already started using
designated= tags as I think they solve a number of problems that have been
discussed here. If there are rendering advantages as well, so much the
better. You're more experienced in the mysterious ways of OSM than am I, so
I assume that you'll start some sort of polling / voting procedure? 


Mike Harris

-Original Message-
From: Nick Whitelegg [mailto:nick.whitel...@solent.ac.uk] 
Sent: 03 March 2009 09:53
To: talk@openstreetmap.org
Subject: [OSM-talk] Rights of way again

Hello everyone,

Have had a think about this, primarily as part of developing new styles for
the shortly to be relaunched Freemap (UK) / OpenFootMap (worldwide,
potentially) OSM site for walkers/hikers/horse riders.

I now think the designation tag is a good thing as it simplifies the Mapnik
XML rendering rules significantly. It could always be internationalised, for
instance in the UK it could be "public_footpath", "public_bridleway",
"permissive_footpath" etc, while in other countries it could be the
equivalent.

This could then be combined with tags representing the type of way, e.g. 
track, footway and path (treating the last two equivalently for the
moment) and surface tags to indicate the surface.

>From a rendering point of view I can envisage two layers, one for the
physical ways and another to indicate where walkers/horse riders are allowed
to go.

The layer would show double dashed lines for tracks or single dashed lines
for paths/footways, and then the second layer could have thicker transparent
lines for actual rights of way (or permissive routes), a bit like the cycle
map. Tracks known to be private (something the Ordnance Survey do not show,
and therefore something that could be a big advantage over OS maps) could be
overlaid by a transparent red line to indicate "do not go here".

Nick




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Re: [OSM-talk] Rights of way again

2009-03-03 Thread Donald Allwright
>Tracks known to be private (something the Ordnance 

>Survey do not show, and therefore something that could be a big advantage 
>over OS maps) could be overlaid by a transparent red line to indicate "do 
>not go here".

I personally would be very wary of this approach, as "known to be private" can 
be a matter of opinion. Some landowners go to great lengths to deny access to 
anyone on their land, regardless of whether there is a public right of way or 
not. I have seen big "Private" signs in places which aren't private at all. 
Just the other day I was approached by a security guard on an industrial estate 
and told it was private property and that I had no right to be there and would 
I please remove myself. I checked later on an OS map and it turns out that I 
certainly would have a right to be there as a pedestrian (although in fact I 
was in a car at the time), so we shouldn't just trust what someone with a 
vested interest tells us. For that matter, the road I live on is "unadopted", 
so could technically be described as private (as indeed many unadopted roads 
are), but it wouldn't make any sense to mark it as private on OSM.

Donald



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Re: [OSM-talk] Rights of way again

2009-03-03 Thread Ed Avis
I am always coming across private roads, which are physically there but not
rights of way, and occasionally footpaths which are rights of way but not
physically passable!  I am surprised that a schema for representing this hasn't
been developed already.

I have seen access=private suggested for the former case.  Although often there
are privately roads which are still accessible to the public, for example the
track past some playing fields to a sports pavilion, or the pavement of London's
South Bank which is privately owned but a public space.

If you wanted to be fully general you would have a table of flags, for example a
bridle path:

  Physical   Designation
Foot  yesyes
Bicycle   yesyes
Horse yesyes
Motorcar  yesno

I think this is going too far.  I would be happy with designation=footpath,
designation=bridle_path, and designation=byway to mark ways which look unpaved
physically but are rights of way, and access=private to mark those which look
inviting but are in practice unusable by the public.

The in-between cases of a privately owned space which is open to the public
(like the South Bank) and a road which is not public but not completely
forbidden either (like a drive leading to a country hotel) I would be happy to
leave untagged.

There are also some where you're not quite sure if they are private or not, like
a track between two houses leading to a shared garage area.  I tend to map these
as highway=track, which fairly represents the physical condition of the road and
also gives a hint to the map reader that they might be semi-private.  I don't
feel a burning need for a tag to represent this, especially as IANAL and I don't
know exactly what the access rights are.

-- 
Ed Avis 


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