Re: [OSM-talk] positioning of barrier = stile

2009-11-15 Thread Lennard
David Groom wrote:

> I have been doing the former, but it appears this might stop routing 
> applications allowing a car to travel from c - d as the barrier = stile 
> "blocks" the road to vehicle transport, and so the second tagging option 
> might be better.

It seems you already answered your own question. Having the node with 
the barrier in the c-d road would make it also be a stile that is 
blocking travel in that road.

I've used your 2nd tagging, with the node with the stile a small 
distance away from the connecting road.

-- 
Lennard

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Re: [OSM-talk] positioning of barrier = stile

2009-11-15 Thread Tobias Knerr
David Groom writes:
> My query relates to where a footway joins a road and there is a stile.
> 
> say a- b is footway , and c - d is road
> 
> Should the stile be placed at "b"
> [...]
> or should I  put in a node "e" and tag that with barrier = stile:
> [...]

The additional node e is necessary. If there is a barrier on a node that
is part of the c-d road, that barrier does block traffic on c-d.

Tobias Knerr

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Re: [OSM-talk] positioning of barrier = stile

2009-11-15 Thread Jonathan Bennett
David Groom wrote:

> I have been doing the former, but it appears this might stop routing 
> applications allowing a car to travel from c - d as the barrier = stile 
> "blocks" the road to vehicle transport, and so the second tagging option 
> might be better.

Indeed it is. If it helps, think of a way for a road as representing the
centreline of the road, rather than its entire width. That way having
the stile node offset using a short length of footway doesn't seem so odd.

-- 
Jonathan (Jonobennett)

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Re: [OSM-talk] positioning of barrier = stile

2009-11-15 Thread Richard Bullock
> My query relates to where a footway joins a road and there is a stile.
>
> say a- b is footway , and c - d is road
>
> Should the stile be placed at "b"
>   c
>   |
>   |
> a--b
>   |
>   |
>   d
>
> or should I  put in a node "e" and tag that with barrier = stile:
>
>   c
>   |
>   |
> a---e-b
>   |
>   |
>   d
>
> I have been doing the former, but it appears this might stop routing
> applications allowing a car to travel from c - d as the barrier = stile
> "blocks" the road to vehicle transport, and so the second tagging option
> might be better.
>
I've always tagged the stile where it actually is (via geo-tagged photo). I 
would therefore use the 2nd option, but my positioning of node 'e' will 
depend on where my photo says it is.

Regardless of routing applications; the best option here is to ask yourself 
how many stiles are there on the road between c to d. If the answer is none, 
then the way c-d should not have any node tagged as a stile. 


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Re: [OSM-talk] positioning of barrier = stile

2009-11-16 Thread Dave F.
Richard Bullock wrote:
>> My query relates to where a footway joins a road and there is a stile.
>>
>> say a- b is footway , and c - d is road
>>
>> Should the stile be placed at "b"
>>   c
>>   |
>>   |
>> a--b
>>   |
>>   |
>>   d
>>
>> or should I  put in a node "e" and tag that with barrier = stile:
>>
>>   c
>>   |
>>   |
>> a---e-b
>>   |
>>   |
>>   d
>>
>> I have been doing the former, but it appears this might stop routing
>> applications allowing a car to travel from c - d as the barrier = stile
>> "blocks" the road to vehicle transport, and so the second tagging option
>> might be better.
>>
>> 
> I've always tagged the stile where it actually is (via geo-tagged photo). I 
> would therefore use the 2nd option, but my positioning of node 'e' will 
> depend on where my photo says it is.
>
> Regardless of routing applications; the best option here is to ask yourself 
> how many stiles are there on the road between c to d. If the answer is none, 
> then the way c-d should not have any node tagged as a stile. 
>
>
>   
Not sure if you actually keep the path separate but I'd show it like 
this where the path is joined to the road with the stile set back
Remember the ways are representing the centrelines of the route so a 
stile is always set back a bit by half the width of the road plus any 
verges, paths etc.


  c
  |
  |
a--e--b
  |
  |
  d

Dave F.




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Re: [OSM-talk] positioning of barrier = stile

2009-11-16 Thread Nick Whitelegg
Should be this:

>or should I  put in a node "e" and tag that with barrier = stile:

   c
   |
   |
 a---e-b
   |
   |
   d

or, better



 c 
 .
 . 
 .
a..e.b
 .
 d

because the path has to actually join the road. b is the node of 
intersection.

Nick


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Re: [OSM-talk] positioning of barrier = stile

2009-11-26 Thread Mike Harris
I always put stiles and gates offset from any vehicular highway just near
the beginning of the relevant pedestrian way - even if this means creating a
stub for the pedestrian way where this has yet to be surveyed (and then the
stub also serves as a reminder to go back and do the additional mapping!).
The problems with placing the barrier on the vehicular highway or at the
intersection node are clear!

Mike Harris
 

> -Original Message-
> From: Lennard [mailto:l...@xs4all.nl] 
> Sent: 15 November 2009 16:30
> To: Talk OSM
> Subject: Re: [OSM-talk] positioning of barrier = stile
> 
> David Groom wrote:
> 
> > I have been doing the former, but it appears this might 
> stop routing 
> > applications allowing a car to travel from c - d as the barrier = 
> > stile "blocks" the road to vehicle transport, and so the second 
> > tagging option might be better.
> 
> It seems you already answered your own question. Having the 
> node with the barrier in the c-d road would make it also be a 
> stile that is blocking travel in that road.
> 
> I've used your 2nd tagging, with the node with the stile a 
> small distance away from the connecting road.
> 
> --
> Lennard
> 
> 
> 


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