Re: [Tagging] Dispute on highway=mini_roundabout

2012-05-11 Thread Philip Barnes
On Thu, 2012-05-10 at 17:43 -0400, Nathan Edgars II wrote:
 I've started tagging local mini_roundabouts with mountable=yes/no. Most 
 have trees and are obviously not. But I'm not exactly sure where the 
 line is. Should one with a low curb, more like a gutter, be considered a 
 true mini-roundabout or not? For example, this one in Kissimmee: 
 http://maps.google.com/maps?hl=enll=28.292105,-81.404818spn=0.004204,0.008256gl=ust=mz=18layer=ccbll=28.292041,-81.404739panoid=USYkfOYkh2zXnjx-zCLrKQcbp=12,122.16,,0,9.06
 
That looks like a mini-roundabout to me, it is certainly traversable.
The kerbs just serve to 'encourage' drivers to go around, but a truck
making a turn would have no problem getting over the island.

Phil (trig222)


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Re: [Tagging] Dispute on highway=mini_roundabout

2012-05-11 Thread Martin Vonwald
As there seems to be a consensus approaching on the horizon, I'll
continue to work on some examples (positive and negative) to prevent
misinterpretation in the future. I already got some nice photos (but
could also need some more) so I guess I can finish it quite soon. As
usually I'll post a link to the examples then so they can be reviewed
before the article is updated.

However one thing that was already mentioned is still left:
turning_circle . We have the same problem here as with
mini_roundabout, as the tag should only be used if there is no island
present but in fact it is also used in such cases.
However we must admit that the implications for data consumers are
somewhat smaller compared with mini_roundabout. To be really relevant
for e.g. a router the destination(!) of a large(!) vehicle must be
within a narrow(!) dead-end(!) street. That's a lot of prerequisites
to be relevant. Also the term turning circle is not as widely used
and precisely defined as mini-roundabout (please correct me if this
is wrong). So how should we treat this case?

To throw in my opinion as a starter: as relevance is much smaller, I
would guess an additional tag like centre_island=yes/no or something
similar should be sufficient. If it is not there it is simply unknown
if there is an island or not, which in fact is the way data consumers
have to treat turning_circle right now.

Martin

P.S: I worth seeing video was posted on a different mailing list:
http://www.youtube.com/watch?v=TzZHyTwjPug
Yes, this in fact is a mini-roundabout, however a maxi one ;-) And
yes, it was a regular junction a few days before. How I know that?
Watch it!

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Re: [Tagging] Dispute on highway=mini_roundabout

2012-05-11 Thread Martin Koppenhoefer
2012/5/11 Martin Vonwald imagic@gmail.com:
 However one thing that was already mentioned is still left:
 turning_circle . We have the same problem here as with
 mini_roundabout, as the tag should only be used if there is no island
 present but in fact it is also used in such cases.


What are the minimum measurements of a turning circle, what is the
maximum above which it is suggested to draw an area? IMHO this
turning_circle node is an approximation anyway (if in doubt you can
not deduct from it in its current form whether you will get problems
with your large vehicle or not).

It could of course be enhanced (shape, orientation, width, length,
...) but if you did this you'd be faster (and still more flexible and
accurate and more intuitively refineable) by simply drawing it rather
than inserting these parametrically.

Cheers,
Martin

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Re: [Tagging] Openstreetview or similar and JOSM integration

2012-05-11 Thread Laurence Penney
Thought I’d cc John McKerrell on this in case he wants to chime in. He is the 
guy behind OpenStreetView.

- Laurence

On 10 May 2012, at 13:59, Jaakko Helleranta.com wrote:

 Related project as in?
 I have geotagged survey-type photos that I'd love to upload to such service.
 As mentioned before OpenStreetView is not for survey-focused photos but 
 rather kind of an Open equivalent of Panoramio.
 
 Cheers from Haiti,
 -Jaakko
 User:jaakkoh
 
 Sent from my BlackBerry® device from Digicel
 --
 Mobile: +509-37-26 91 54, Skype/GoogleTalk: jhelleranta
 
 -Original Message-
 From: Martin Vonwald imagic@gmail.com
 Date: Thu, 10 May 2012 13:04:38 
 To: Tag discussion, strategy and related toolstagging@openstreetmap.org
 Reply-To: Tag discussion,
   strategy and related tools tagging@openstreetmap.org
 Subject: Re: [Tagging] Openstreetview or similar and JOSM integration
 
 Do not expect the JOSM developer to follow every mailing-list but rather 
 open a
 ticket at josm.openstreetmap.de
 
 As soon as there is a project where photos can be uploaded for this
 purpose, I will do that. But right now josm.openstreetmap.de would be
 the wrong place in my opinion, because there is nothing to implement
 in JOSM yet. As this mailing list has a related tools in its
 description I thought it would be a good idea to ask here first.
 
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[Tagging] Two lane expressways

2012-05-11 Thread Martijn van Exel
Hi,

Two-lane expressways. I came across one of these when running an
analysis on OSM data in Vermont, USA. I didn't even know they existed.
https://en.wikipedia.org/wiki/Two-lane_expressway#United_States
The one I looked at is tagged as motorway:
http://osm.org/go/ZfEWG3GI--
http://osm.org/go/ZfUQxspO
That feels right to me. Is it the convention to tag them as highway=motorway?

Reason is I am running an analysis to detect trouble with the main
road network. One trouble flag is highway=motorway without oneway tag,
but that would flag this road here and it's perfectly OK.
Another trouble flag is potential missing bridge or tunnel tags, my
current query relies on two intersections between motorway and other
way, and thus wouldn't catch instances where the motorway is just one
line feature.
-- 
martijn van exel
http://oegeo.wordpress.com

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Re: [Tagging] Two lane expressways

2012-05-11 Thread Nathan Edgars II

On 5/11/2012 4:23 PM, Martijn van Exel wrote:

Hi,

Two-lane expressways. I came across one of these when running an
analysis on OSM data in Vermont, USA. I didn't even know they existed.
https://en.wikipedia.org/wiki/Two-lane_expressway#United_States
The one I looked at is tagged as motorway:
http://osm.org/go/ZfEWG3GI--
http://osm.org/go/ZfUQxspO
That feels right to me. Is it the convention to tag them as highway=motorway?

Reason is I am running an analysis to detect trouble with the main
road network. One trouble flag is highway=motorway without oneway tag,
but that would flag this road here and it's perfectly OK.


Since oneway=yes is the default for motorways (per the wiki, and 
apparently some routers), these should be tagged as oneway=no (as these 
two in fact are).


It's somewhat more common to have a two-way motorway_link, which should 
also be tagged oneway=no.


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Re: [Tagging] Openstreetview or similar and JOSM integration

2012-05-11 Thread Sander Deryckere
Why can't we use an existing service (like Flickr )?

Just let apps upload pictures to Flickr with certain tags, so josm can
download these. Maybe there are better platforms for this.

But I would not like to upload pictures anyway, because they often contain
people, and I don't want to harm their privacy.
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Re: [Tagging] Openstreetview or similar and JOSM integration

2012-05-11 Thread Martijn van Exel
Flickr already has an OpenStreetMap 'machine tag' to link flickr
photos to an OSM object[1]. So that's feasible. You need a pro account
for flickr if you're going to make any kind of serious use of it
though.

How is this a tagging question by the way?

[1]  
http://code.flickr.com/blog/2009/09/28/thats-maybe-a-bit-too-dorky-even-for-us/

On Fri, May 11, 2012 at 2:41 PM, Sander Deryckere sander...@gmail.com wrote:
 Why can't we use an existing service (like Flickr )?

 Just let apps upload pictures to Flickr with certain tags, so josm can
 download these. Maybe there are better platforms for this.

 But I would not like to upload pictures anyway, because they often contain
 people, and I don't want to harm their privacy.


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-- 
martijn van exel
http://oegeo.wordpress.com

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Re: [Tagging] Two lane expressways

2012-05-11 Thread Martijn van Exel
On Fri, May 11, 2012 at 2:37 PM, Nathan Edgars II nerou...@gmail.com wrote:
 On 5/11/2012 4:23 PM, Martijn van Exel wrote:

 Hi,

 Two-lane expressways. I came across one of these when running an
 analysis on OSM data in Vermont, USA. I didn't even know they existed.
 https://en.wikipedia.org/wiki/Two-lane_expressway#United_States
 The one I looked at is tagged as motorway:
 http://osm.org/go/ZfEWG3GI--
 http://osm.org/go/ZfUQxspO
 That feels right to me. Is it the convention to tag them as
 highway=motorway?

 Reason is I am running an analysis to detect trouble with the main
 road network. One trouble flag is highway=motorway without oneway tag,
 but that would flag this road here and it's perfectly OK.


 Since oneway=yes is the default for motorways (per the wiki, and apparently
 some routers), these should be tagged as oneway=no (as these two in fact
 are).

 It's somewhat more common to have a two-way motorway_link, which should also
 be tagged oneway=no.


That's a good point. I can use that convention to improve my query.

-- 
martijn van exel
http://oegeo.wordpress.com

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Re: [Tagging] Two lane expressways

2012-05-11 Thread Paul Johnson
On Fri, May 11, 2012 at 1:23 PM, Martijn van Exel m...@rtijn.org wrote:
 Hi,

 Two-lane expressways. I came across one of these when running an
 analysis on OSM data in Vermont, USA. I didn't even know they existed.
 https://en.wikipedia.org/wiki/Two-lane_expressway#United_States
 The one I looked at is tagged as motorway:
 http://osm.org/go/ZfEWG3GI--
 http://osm.org/go/ZfUQxspO
 That feels right to me. Is it the convention to tag them as highway=motorway?

I'd be strongly inclined to tag it as a trunk since it's not divided,
and especially since it's fairly short, terminating in more trunks.
Trunks can have motorway-like features, but I'm inclined to consider
motorways with only one physical way and/or intersections as trunk.

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Re: [Tagging] Two lane expressways

2012-05-11 Thread John F. Eldredge
Paul Johnson ba...@ursamundi.org wrote:

 On Fri, May 11, 2012 at 1:23 PM, Martijn van Exel m...@rtijn.org wrote:
  Hi,
 
  Two-lane expressways. I came across one of these when running an
  analysis on OSM data in Vermont, USA. I didn't even know they
 existed.
  https://en.wikipedia.org/wiki/Two-lane_expressway#United_States
  The one I looked at is tagged as motorway:
  http://osm.org/go/ZfEWG3GI--
  http://osm.org/go/ZfUQxspO
  That feels right to me. Is it the convention to tag them as
 highway=motorway?
 
 I'd be strongly inclined to tag it as a trunk since it's not divided,
 and especially since it's fairly short, terminating in more trunks.
 Trunks can have motorway-like features, but I'm inclined to consider
 motorways with only one physical way and/or intersections as trunk.
 

Major road repairs, such as repairing a bridge, or a point where a landslide 
has blocked one side of a motorway, sometimes require changing a section of the 
other side of the motorway into two-way traffic.  Generally, a temporary 
concrete barrier will be erected to separate the two traffic flows, but I have 
seen emergency situations where the only separation was a row of reflector 
cones.  In such a situation, would you recommend retagging that portion of the 
motorway as trunk instead of motorway?

-- 
John F. Eldredge --  j...@jfeldredge.com
Reserve your right to think, for even to think wrongly is better than not to 
think at all. -- Hypatia of Alexandria

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Re: [Tagging] Two lane expressways

2012-05-11 Thread Paul Johnson
On May 11, 2012 2:41 PM, John F. Eldredge j...@jfeldredge.com wrote:

 Paul Johnson ba...@ursamundi.org wrote:

  On Fri, May 11, 2012 at 1:23 PM, Martijn van Exel m...@rtijn.org wrote:
   Hi,
  
   Two-lane expressways. I came across one of these when running an
   analysis on OSM data in Vermont, USA. I didn't even know they
  existed.
   https://en.wikipedia.org/wiki/Two-lane_expressway#United_States
   The one I looked at is tagged as motorway:
   http://osm.org/go/ZfEWG3GI--
   http://osm.org/go/ZfUQxspO
   That feels right to me. Is it the convention to tag them as
  highway=motorway?
 
  I'd be strongly inclined to tag it as a trunk since it's not divided,
  and especially since it's fairly short, terminating in more trunks.
  Trunks can have motorway-like features, but I'm inclined to consider
  motorways with only one physical way and/or intersections as trunk.
 

 Major road repairs, such as repairing a bridge, or a point where a
landslide has blocked one side of a motorway, sometimes require changing a
section of the other side of the motorway into two-way traffic.  Generally,
a temporary concrete barrier will be erected to separate the two traffic
flows, but I have seen emergency situations where the only separation was a
row of reflector cones.  In such a situation, would you recommend retagging
that portion of the motorway as trunk instead of motorway?

No, because that's a temporary situation.  There are a few limited two-way
one-road motorways, though construction and emergency situations are a poor
example.  A better example would be the Golden Gate Bridge or BC 7 at
certain bridges that have lane control signals and aren't completely
reversible.
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