Re: [OSM-talk] Turn restrictions ambiguity

2009-04-24 Thread Lambertus
What is your problem with having way sections between each intersection instead of one long way? The AND data in the Netherlands has ways that go only from intersection to intersection, we already split the ways at bridges, tunnels, maxspeed changes, name changes etc. Apparently the method of

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-24 Thread Ed Loach
What is your problem with having way sections between each intersection instead of one long way? I don't have a problem with splitting ways, as that is what I've always done to add the relevant tags to the relevant section. But I can understand that there is a bit of an issue with doing such a

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-24 Thread marcus.wolschon
On Fri, 24 Apr 2009 10:01:20 +0100, Ed Loach e...@loach.me.uk wrote: What is your problem with having way sections between each intersection instead of one long way? I don't have a problem with splitting ways, as that is what I've always done to add the relevant tags to the relevant

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-24 Thread Teemu Koskinen
On Fri, 24 Apr 2009 12:01:20 +0300, Ed Loach e...@loach.me.uk wrote: What is your problem with having way sections between each intersection instead of one long way? I don't have a problem with splitting ways, as that is what I've always done to add the relevant tags to the relevant

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-24 Thread kaerast
Ed Loach wrote: I don't know how routing engines work out when one way at a junction has priority over another (or whether they even bother - I guess the best available at present is to compare names and/or refs). Why do we need to know which way has priority? Yes it is nice to know some

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-24 Thread Andy Allan
On Fri, Apr 24, 2009 at 10:13 AM, kaerast kaer...@qvox.org wrote: Why do we need to know which way has priority?  Yes it is nice to know some times, but no other maps show this and it just isn't necessary.  It tends to be slower roads which you need to give way on, and these are already given

[OSM-talk] Turn restrictions ambiguity

2009-04-23 Thread SteveC
I don't see a clear explanation as to why there is ambiguity if you don't do turn restrictions at the end of ways on the wiki. There is some stuff in the talk page http://wiki.openstreetmap.org/wiki/Talk:Relation:restriction Anyone care to provide an explanation? The reason I ask is

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-23 Thread Teemu Koskinen
On Thu, 23 Apr 2009 21:34:05 +0300, SteveC st...@asklater.com wrote: I don't see a clear explanation as to why there is ambiguity if you don't do turn restrictions at the end of ways on the wiki. There is some stuff in the talk page

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-23 Thread SteveC
On 23 Apr 2009, at 12:17, Teemu Koskinen wrote: On Thu, 23 Apr 2009 21:34:05 +0300, SteveC st...@asklater.com wrote: I don't see a clear explanation as to why there is ambiguity if you don't do turn restrictions at the end of ways on the wiki. There is some stuff in the talk page

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-23 Thread Teemu Koskinen
On Thu, 23 Apr 2009 22:25:36 +0300, SteveC st...@asklater.com wrote: On 23 Apr 2009, at 12:17, Teemu Koskinen wrote: On Thu, 23 Apr 2009 21:34:05 +0300, SteveC st...@asklater.com wrote: I don't see a clear explanation as to why there is ambiguity if you don't do turn restrictions at the

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-23 Thread Tobias Knerr
SteveC wrote: On 23 Apr 2009, at 12:17, Teemu Koskinen wrote: If both from and to ways continue after the via point and neither is one-way, there's two possible ways to interpret it: the restriction could apply when coming from either of the ends of the from-way. This of course doesn't

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-23 Thread SteveC
On 23 Apr 2009, at 12:32, Teemu Koskinen wrote: On Thu, 23 Apr 2009 22:25:36 +0300, SteveC st...@asklater.com wrote: On 23 Apr 2009, at 12:17, Teemu Koskinen wrote: On Thu, 23 Apr 2009 21:34:05 +0300, SteveC st...@asklater.com wrote: I don't see a clear explanation as to why there is

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-23 Thread SteveC
On 23 Apr 2009, at 12:34, Tobias Knerr wrote: SteveC wrote: On 23 Apr 2009, at 12:17, Teemu Koskinen wrote: If both from and to ways continue after the via point and neither is one-way, there's two possible ways to interpret it: the restriction could apply when coming from either of the

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-23 Thread David Lynch
On Thu, Apr 23, 2009 at 14:45, David Lynch djly...@gmail.com wrote: On Thu, Apr 23, 2009 at 14:25, SteveC st...@asklater.com wrote: If both from and to ways continue after the via point and neither is one-way, there's two possible ways to interpret it: the restriction could apply when

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-23 Thread andrzej zaborowski
2009/4/23 SteveC st...@asklater.com: On 23 Apr 2009, at 12:32, Teemu Koskinen wrote: On Thu, 23 Apr 2009 22:25:36 +0300, SteveC st...@asklater.com wrote: On 23 Apr 2009, at 12:17, Teemu Koskinen wrote: On Thu, 23 Apr 2009 21:34:05 +0300, SteveC st...@asklater.com wrote: I don't see a

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-23 Thread Tobias Knerr
SteveC schrieb: Ok so in that case... why don't we make best practice to split your way A in to two directions, rather than hundreds of little ways? You mean something like that ^A1 |A2 | | | | | | B ---*-*-- | | | | | v with

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-23 Thread David Earl
If one were to refer to nodes on the two ways instead of the way itself, it would remove the ambiguity wouldn't it? Albeit more complicated for the consumer to work out, in that it would have to decide which way the two nodes were on. |A *a | c| b

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-23 Thread Aun Johnsen (via Webmail)
On Thu, 23 Apr 2009 21:56:09 +0200, andrzej zaborowski balr...@gmail.com wrote: 2009/4/23 SteveC st...@asklater.com: On 23 Apr 2009, at 12:32, Teemu Koskinen wrote: On Thu, 23 Apr 2009 22:25:36 +0300, SteveC st...@asklater.com wrote: On 23 Apr 2009, at 12:17, Teemu Koskinen wrote: On

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-23 Thread andrzej zaborowski
2009/4/23 Aun Johnsen (via Webmail) skipp...@gimnechiske.org: On Thu, 23 Apr 2009 21:56:09 +0200, andrzej zaborowski balr...@gmail.com wrote: Or something like this is common: B  C  \  |   \ |    \|     |     |     A where the straight line is considered a turn even though it's

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-23 Thread Tobias Knerr
David Earl schrieb: If one were to refer to nodes on the two ways instead of the way itself, it would remove the ambiguity wouldn't it? There was a proposal that suggested exactly that, xrestriction: http://wiki.openstreetmap.org/index.php?title=Relation:xrestriction Hasn't been used a lot.

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-23 Thread Shaun McDonald
On 23 Apr 2009, at 22:56, andrzej zaborowski wrote: 2009/4/23 SteveC st...@asklater.com: On 23 Apr 2009, at 12:32, Teemu Koskinen wrote: On Thu, 23 Apr 2009 22:25:36 +0300, SteveC st...@asklater.com wrote: On 23 Apr 2009, at 12:17, Teemu Koskinen wrote: On Thu, 23 Apr 2009 21:34:05

Re: [OSM-talk] Turn restrictions ambiguity

2009-04-23 Thread Matt Amos
On Thu, Apr 23, 2009 at 9:16 PM, David Earl da...@frankieandshadow.com wrote: If one were to refer to nodes on the two ways instead of the way itself, it would remove the ambiguity wouldn't it? Albeit more complicated for the consumer to work out, in that it would have to decide which way the