Re: [Tagging] airport vs. aerodrome

2011-02-20 Thread M∡rtin Koppenhoefer
2011/2/19 Paul Johnson ba...@ursamundi.org:
 On 02/15/2011 07:02 AM, M∡rtin Koppenhoefer wrote:

 Have a look here:
 http://www.openstreetmap.org/?lat=42.16lon=-88.536zoom=10layers=M
 could you tell which are the more important ones? Not at first glance I 
 guess.

 Why not map the airports in greater detail?
 http://www.openstreetmap.org/?lat=35.15526lon=-97.47207zoom=16layers=M is
 an example of a municipal airport more completely mapped.


Of course we should map everything in ultimate detail, and of course
we could preprocess this data once it is at a certain level of
completeness to determine which are the bigger airports. But this
doesn't mean IMHO that this is the only way and that there is not good
reasons to also refine the simple structure (airport node or basic
airport tags) at least to make a distinction for the most important
ones (those where usual people normally take off when they go on a
trip).

cheers,
Martin

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Re: [Tagging] Counterflow Lanes

2011-02-20 Thread Paul Johnson
On 02/19/2011 06:24 PM, Paul Norman wrote:
 The Massey Tunnel is currently tagged with oneway=no on the reversible
 section and through the tunnel itself. 
 
 For the reversible sections (that lead up to the tunnel) they really
 alternate between oneway=-1, oneway=yes and access=no. For the two parallel
 tunnels themselves they alternate between oneway=yes and oneway=no.

The approaches are either oneway=yes or access=no, though, depending on
the signals.

 I'm not sure what the solution is, but oneway=reversible isn't a special
 case of oneway=yes so it would break existing data consumers.

I'm not sure any way that reverses based on traffic signals really
qualifies as oneway=yes, for that reason.



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Re: [Tagging] Counterflow Lanes

2011-02-20 Thread Paul Johnson
On 02/19/2011 08:08 PM, Nathan Edgars II wrote:
 On 2/19/2011 7:24 PM, Paul Norman wrote:
 The Massey Tunnel is currently tagged with oneway=no on the reversible
 section and through the tunnel itself.

 For the reversible sections (that lead up to the tunnel) they really
 alternate between oneway=-1, oneway=yes and access=no. For the two
 parallel
 tunnels themselves they alternate between oneway=yes and oneway=no.

 I'm not sure what the solution is, but oneway=reversible isn't a special
 case of oneway=yes so it would break existing data consumers.
 
 Don't we want to break existing consumers if they might route people the
 wrong way down a one-way highway?

This whole question suggests that we're somehow responsible for data
consumers paying more attention to their navigation than what's out
their windshield, which is an entirely specious argument for obvious
reasons.



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Re: [Tagging] Counterflow Lanes

2011-02-20 Thread Richard Welty

On 2/20/11 8:51 PM, Paul Johnson wrote:

On 02/19/2011 08:08 PM, Nathan Edgars II wrote:


Don't we want to break existing consumers if they might route people the
wrong way down a one-way highway?

This whole question suggests that we're somehow responsible for data
consumers paying more attention to their navigation than what's out
their windshield, which is an entirely specious argument for obvious
reasons.

well, on the other hand, GPS users have been known to sue when the
GPS led them to do stupid things. irrespective of whether the mythical
we are responsible, the lawsuit still has to be defended.

so i suggest thinking it through and considering the situation carefully.

richard


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Re: [Tagging] Counterflow Lanes

2011-02-20 Thread Nathan Edgars II

On 2/20/2011 9:57 PM, Richard Welty wrote:

On 2/20/11 8:51 PM, Paul Johnson wrote:

On 02/19/2011 08:08 PM, Nathan Edgars II wrote:


Don't we want to break existing consumers if they might route people the
wrong way down a one-way highway?

This whole question suggests that we're somehow responsible for data
consumers paying more attention to their navigation than what's out
their windshield, which is an entirely specious argument for obvious
reasons.

well, on the other hand, GPS users have been known to sue when the
GPS led them to do stupid things. irrespective of whether the mythical
we are responsible, the lawsuit still has to be defended.

so i suggest thinking it through and considering the situation carefully.


It has nothing to do with liability. It's simply good practice to give 
someone a route they can follow at all times unless they specify details.


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