Re: [Tagging] RFC: highway=tidal_road

2011-11-23 Thread Martin Koppenhoefer
2011/11/22 Colin Smale colin.sm...@xs4all.nl:
 On 22/11/2011 21:33, Frederik Ramm wrote:
 When you say No, don't you mean Yes? Not sure if you are responding to
 the original post, or to my reaction. All it says on the proposal page is A
 road that gets tidally flooded . Where do you get your assumptions from
 about it being an unsurfaced path?


You are right that this proposal is not necessarily about an
unsurfaced way, it could well be covered with asphalt. A path like
we see it in OSM is a way that is not suitable for cars (too small),
while this is about roads (width should permit a car to take it).


 The scenario I had in mind was the Lindisfarne Causeway in northern
 England.This is never closed, but is flooded at high tide. Many people are
 rescued every year because they don't heed the warnings. Doesn't that fit
 your description? Check this: http://g.co/maps/f74xb


Yes, this would fit the proposed tag. As you can see from your picture
not beeing aware about the tide situation can cost your life. IMHO
this kind of road merits its own main highway tag, it would be too
dangerous to rely on subtags, and it's overall characteristics are too
different from a normal road (a road which doesn't get regularily
flooded).

cheers,
Martin

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Re: [Tagging] RFC: highway=tidal_road

2011-11-23 Thread Ilpo Järvinen
On Wed, 23 Nov 2011, Nathan Edgars II wrote:

 On 11/23/2011 5:40 AM, Martin Koppenhoefer wrote:
  Yes, this would fit the proposed tag. As you can see from your picture
  not beeing aware about the tide situation can cost your life. IMHO
  this kind of road merits its own main highway tag, it would be too
  dangerous to rely on subtags, and it's overall characteristics are too
  different from a normal road (a road which doesn't get regularily
  flooded).
 
 This is similar to a low water crossing:
 http://en.wikipedia.org/wiki/Low_water_crossing
 I don't think we use any special highway=* tags for those, or for other roads
 that may be dangerous at times (e.g. heavy snow, military proving grounds). If
 someone ignores signs and physical conditions, it's not our fault, and we
 shouldn't tag incorrectly to get routing software to ignore these roads.

Agreed. Otherwise we'll end up never-ending arguments about how 
frequently the road has to be dangerous to warrant such special tags
and what danger is dangerous enough. ...Instead I wish that hazard=* (or 
like) tag and namespace would be developed and standardized to collect 
this kind of information. 

-- 
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[Tagging] looking for native speaker opinion: tidal / tidalflat / tidal flat

2011-11-23 Thread Martin Koppenhoefer
Beeing the two proponents of tidalflat_path and tidal_road not native
English speakers we decided to ask here in the international list
which term is best suited (please only reply if you are a native
speaker).

the alternatives are:

A: tidal (tidal_path, tidal_road)

B: tidalflat (tidalflat_path, tidalflat_road)

C: tidal flat (tidal_flat_path, tidal_flat_road)


thank you,
Martin

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Re: [Tagging] RFC: highway=tidal_road

2011-11-23 Thread Martin Koppenhoefer
2011/11/23 Nathan Edgars II nerou...@gmail.com:
 On 11/23/2011 5:40 AM, Martin Koppenhoefer wrote:

 Yes, this would fit the proposed tag. As you can see from your picture
 not beeing aware about the tide situation can cost your life. IMHO
 this kind of road merits its own main highway tag, it would be too
 dangerous to rely on subtags, and it's overall characteristics are too
 different from a normal road (a road which doesn't get regularily
 flooded).

 This is similar to a low water crossing:
 http://en.wikipedia.org/wiki/Low_water_crossing


no, it is IMHO not similar to low water crossing, being the latter
usually short while a tidal road will be often some kilometres long,
so the danger is really not comparable.


 I don't think we use any special highway=* tags for those, or for other
 roads that may be dangerous at times (e.g. heavy snow, military proving
 grounds). If someone ignores signs and physical conditions, it's not our
 fault, and we shouldn't tag incorrectly to get routing software to ignore
 these roads.


IMHO a road which is frequently flooded has this as a characteristic
(you can also see this because they got their own name in language)
while a road where you might expect heavy snowfall in winter is not
comparable, it still is a road (the snowfall IMHO is not a
characteristic of the road, while beeing flooded every day for some
hours IMHO is).

cheers,
Martin

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Re: [Tagging] RFC: highway=tidal_road

2011-11-23 Thread Frederik Ramm

Hi,

On 11/22/11 21:48, Colin Smale wrote:

Surely the road in this case simply has tide-related opening times (and
a variable surface?). It may be secondary, tertiary, unclassified or
whatever. The fact that it is sometimes closed by the tide should be
tagged separately from the type of road.



No.



When you say No, don't you mean Yes?


I meant: No, the fact that it is sometimes closed by the tide should 
not be tagged separately from the type of road, because I am not talking 
about something that is 'basically a normal road just with an extra 
property'; I am talking about something that is not a normal road.



Where do you get your
assumptions from about it being an unsurfaced path?


I see - I had this in mind:

http://wiki.openstreetmap.org/wiki/Proposed_features/Tidalflat_path

which refers to a certain type of path we have in Germany in the North 
Sea, where you basically walk on the (more or less) dry seabed.



The scenario I had in mind was the Lindisfarne Causeway in northern
England.This is never closed, but is flooded at high tide. Many people
are rescued every year because they don't heed the warnings. Doesn't
that fit your description?


Somewhat; I mis-interpreted your closed as if there was a gate or door 
somehow, when you probably just meant closed by being flooded.


In a way, the Lindisfarne Causeway looks like a normal road with just a 
few extra signs. OTOH the paths mentioned in the tidalflat_path proposal 
probably don't have that many signs...


Bye
Frederik

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Re: [Tagging] RFC: highway=tidal_road

2011-11-23 Thread Martin Koppenhoefer
2011/11/23 Frederik Ramm frede...@remote.org:

 I meant: No, the fact that it is sometimes closed by the tide should not be
 tagged separately from the type of road, because I am not talking about
 something that is 'basically a normal road just with an extra property'; I
 am talking about something that is not a normal road.


+1


 In a way, the Lindisfarne Causeway looks like a normal road with just a few
 extra signs. OTOH the paths mentioned in the tidalflat_path proposal
 probably don't have that many signs...


-1, it really depends when you take your picture if it looks like a
normal road or not:
http://www.journallive.co.uk/north-east-news/todays-news/2011/06/18/tourists-ignore-lindisfarne-causeway-tide-times-61634-28898474/

cheers,
Martin

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Re: [Tagging] looking for native speaker opinion: tidal / tidalflat / tidal flat

2011-11-23 Thread Martin Koppenhoefer
2011/11/23 Richard Mann richard.mann.westoxf...@googlemail.com:
 A)

 On Wed, Nov 23, 2011 at 11:23 AM, Martin Koppenhoefer
 dieterdre...@gmail.com wrote:
 the alternatives are:

 A: tidal (tidal_path, tidal_road)

 B: tidalflat (tidalflat_path, tidalflat_road)

 C: tidal flat (tidal_flat_path, tidal_flat_road)


Thank you Richard. Waiting for Lulus reply and we'll change tidalflat_path.

cheers,
Martin

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Re: [Tagging] looking for native speaker opinion: tidal / tidalflat / tidal flat

2011-11-23 Thread Richard Fairhurst
Martin Koppenhoefer wrote:
 Beeing the two proponents of tidalflat_path and tidal_road not 
 native English speakers we decided to ask here in the international 
 list which term is best suited 

Yes, A.

By and large (and, of course, there are exceptions), English does not run
two words together to form one word in the same way that German does.
Something like tidalflat is unlikely to be English.

(The Americans have a nasty habit of making portmanteau words like
staycation from stay and vacation, but arguably they don't speak
English either. ;) )

cheers
Richard



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Re: [Tagging] RFC: highway=tidal_road

2011-11-23 Thread John F. Eldredge
Stephen Hope slh...@gmail.com wrote:

 On 23 November 2011 16:00, Paul Johnson ba...@ursamundi.org wrote:
 
 Don't know, but it is certainly not tidal_road, as that proposal says
 a road that gets tidally flooded.  You are not describing a road.
 
 What would you classify it as if the same way happened to be inland,
 with no tides involved? Figure that out, then we'll be getting
 somewhere
 
 
 Stephen
 
 
  What would the correct highway classification be for an Oregon
 beach?
  These fall under the Oregon Department of Transportation's
 jurisdiction
  despite not being improved for vehicular use (and trying will
 seriously
  screw up a bicycle, based on experience).
 

It sounds like the beach might be classed as a track, in that case.  I assume 
that the dunes, if any, would be classified differently than the water's edge.  
From my (admittedly limited) knowledge of reegulations elsewhere, driving, or 
even walking, on dunes is usually forbidden because damaging any vegetation 
will allow the dune to shift position.

-- 
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] RFC: highway=tidal_road

2011-11-23 Thread Martin Koppenhoefer
2011/11/23 John F. Eldredge j...@jfeldredge.com:
 Stephen Hope slh...@gmail.com wrote:
  What would the correct highway classification be for an Oregon
 beach?
  These fall under the Oregon Department of Transportation's
 jurisdiction
  despite not being improved for vehicular use (and trying will
 seriously
  screw up a bicycle, based on experience).


 It sounds like the beach might be classed as a track, in that case.


-1, we should not classify every area where vehicles might access as a
way. You can (physically) drive on most meadows and crops, but that
doesn't make them a track. He explicitly stated: despite not being
improved for vehicular use


cheers,
Martin

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Re: [Tagging] looking for native speaker opinion: tidal / tidalflat / tidal flat

2011-11-23 Thread John F. Eldredge
Martin Koppenhoefer dieterdre...@gmail.com wrote:

 Beeing the two proponents of tidalflat_path and tidal_road not native
 English speakers we decided to ask here in the international list
 which term is best suited (please only reply if you are a native
 speaker).
 
 the alternatives are:
 
 A: tidal (tidal_path, tidal_road)
 
 B: tidalflat (tidalflat_path, tidalflat_road)
 
 C: tidal flat (tidal_flat_path, tidal_flat_road)
 
 
 thank you,
 Martin
 

My recommendation, as a native English speaker, would be to use tidal rather 
than tidal flat.  Tidal flat is apparently a synoym for mud flat, but such 
roads might also be placed across sandy or rocky terrain.  For that matter, 
such terrain might not be completely flat; there might be some areas that are 
only submerged when there is an extra-high tide, or if there is a storm.

-- 
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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