Re: [Tagging] More no_u_turn

[Nick Hocking]

Hans wrote

"I had the same question


On Sat, Sep 3, 2016 at 9:57 PM, Nick Hocking https://lists.openstreetmap.org/listinfo/tagging>> wrote:

>* A car travelling westbound on an undivided road is about to cross a *>*
north/south divided road at traffic lights. *> >* We wish to prevent the
car from doing a U-turn at this intersection. *>* Do we have to put in two
no_u_turn restrictions, one for each of the *>* north/south carriageways. *>
>* If we only need one, where do we tag this - on the left carriageway or *>*
the right one? "*



*I'll ask the question over on the routing list.  It does beg the more
basic question of...*

*Do we make the routing software smart, which has the risk of the software
making a wrong assumption/decision and giving the user an incorrect or
dangerous directive or do we make the routing software really dumb which
entails micro mapping every intersection to a ridiculous degree, which in
turn makes it  very hard to keep the map complete up-to-date and accurate.*

*A third option would be to ban all u-turns world wide :-)*

*Nick*
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Re: [Tagging] More no_u_turn

[Hans De Kryger]

I had the same question

*Regards,*

*Hans*

On Sat, Sep 3, 2016 at 9:57 PM, Nick Hocking  wrote:

> A car travelling westbound on an undivided road is about to cross a
> north/south divided road at traffic lights.
>
> We wish to prevent the car from doing a U-turn at this intersection.
> Do we have to put in  two no_u_turn restrictions, one for each of the
> north/south carriageways.
>
> If we only need one, where do we tag this - on the left carriageway or
> the right one?
>
>
>
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>
>
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Re: [Tagging] Help required on tagging a "wadi"

[David Bannon]

On 05/09/16 04:34, Greg Wickham wrote:
In Saudi Arabia a wadi is a mostly dry riverbed that carries water 
very infrequently (maybe a couple of times year).

..

Would these tags be ok for a: “sandy bottomed wadi; 4wd only"
waterway = wadi
intermittent = yes
highway = track
tracktype = grade4
4wd_only = yes
surface = unpaved


Greg, I think you have the tags right but I'd rather see the waterway 
and highway mapped as separate ways, even if they superimpose. While 
they may be in the same place, they are different things.  If the wadi 
is like what we see here in Oz, its probably pretty wide and may be best 
mapped as an area rather than a line, that way, the highway way would be 
more distinguishable. And we need be realistic about their position and 
accept they move.


David





Suggestions welcome.

   -Greg

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Re: [Tagging] Help required on tagging a "wadi"

[Warin]

On 9/5/2016 4:34 AM, Greg Wickham wrote:


In Saudi Arabia a wadi is a mostly dry riverbed that carries water 
very infrequently (maybe a couple of times year).


Within most sandy bottomed wadi’s is at least one track (typically 4wd).

The exact location of the track within the wadi will change due to 
occasional flooding events.


I’ve read the discussion summary at 
http://wiki.openstreetmap.org/wiki/Talk:Tag:waterway%3Dwadi 
 but

I’m still not clear exactly how to tag this feature?

It seems:

- waterway=wadi
- intermittent=yes

is ok.

But how to indicate can be vehicle track?

Is it ok to mark a track in the “rough” vicinity (i.e.: the track path 
will change between flooding events)?


Should the wadi “line” be marked in the centre between the edges?

Would these tags be ok for a: “sandy bottomed wadi; 4wd only"

waterway = wadi
intermittent = yes
highway = track
tracktype = grade4
4wd_only = yes
surface = unpaved

Suggestions welcome.




In an ideal world;
the wadi would be a way along the lowest path - where water would first 
flow.

the track would be a separate way

For less work a mapper would combine these into one way ... that makes 
rendering harder.





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[Tagging] Winery "tasting rooms"

[Jack Burke]

I know of several wineries that operate a tasting room facility separate from 
the winery itself. I'm trying to come up with the right tagging scheme to use 
on them. Since they aren't located at the actually winery, craft=winery seems 
incorrect. In the wiki, shop=winery isn't defined, although that would be a 
good candidate. As far as I know, they don't fit the expectation of a wine 
cellar, so tourism=wine_cellar sounds wrong, even though some sort of tourism 
tag appears to be called for. 

So far, 

amenity=bar (sometimes with ;restaurant  added on) 
wine=yes
tourism=attraction

is the best I have come up with.  Does anyone have any other suggestions? 

-jack 
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Re: [Tagging] artificial cave, historic military shelter

[ksg]

> Am 02.09.2016 um 15:43 schrieb demon.box :
> 
> hi, how can I tag correctly this artificial cave, used like a shelter for the
> austriac soldiers during the 1915-1918 first world war?
> 
> amenity=shelter
> shelter_type=rock_shelter
> man_made=yes
> historic=yes
> 
> it could be correct?
> 

Ciao Enrico,

I’ve used in similar cases man_made=adit, see example from Sappada: 
http://www.openstreetmap.org/node/3931257960

geow




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[Tagging] Help required on tagging a "wadi"

[Greg Wickham]

In Saudi Arabia a wadi is a mostly dry riverbed that carries water very 
infrequently (maybe a couple of times year).

Within most sandy bottomed wadi’s is at least one track (typically 4wd).

The exact location of the track within the wadi will change due to occasional 
flooding events.

I’ve read the discussion summary at 
http://wiki.openstreetmap.org/wiki/Talk:Tag:waterway%3Dwadi 
 but
I’m still not clear exactly how to tag this feature?

It seems:

- waterway=wadi
- intermittent=yes

is ok.

But how to indicate can be vehicle track?

Is it ok to mark a track in the “rough” vicinity (i.e.: the track path will 
change between flooding events)?

Should the wadi “line” be marked in the centre between the edges?

Would these tags be ok for a: “sandy bottomed wadi; 4wd only"

waterway = wadi
intermittent = yes
highway = track
tracktype = grade4
4wd_only = yes
surface = unpaved

Suggestions welcome.

   -Greg

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Re: [Tagging] artificial cave, historic military shelter

[Martin Koppenhoefer]

sent from a phone

> Il giorno 04 set 2016, alle ore 15:30, Richard  ha 
> scritto:
> 
> For the touristy things something like amenity or tourism may be better.


tourism could occur at any of these places, but they are not set up for 
tourists (like hotels or beach resorts for instance), and many might be in 
gardens and parks without being a particular tourist attraction (because not 
often accessible). Maybe historic=grotto would suit for these. I just recall 
having one mapped here: http://www.openstreetmap.org/node/3496752463
"natural" more like in natural=water
but historic=grotto is maybe a better tag.

cheers,
Martin 
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Re: [Tagging] artificial cave, historic military shelter

[Richard]

On Sun, Sep 04, 2016 at 12:09:43PM +0200, Martin Koppenhoefer wrote:
> 
> 
> sent from a phone
> 
> > Il giorno 04 set 2016, alle ore 11:40, Richard  ha 
> > scritto:
> > 
> > Also, I would 
> > argue that "natural" implies natural
> 
> 
> ok, agreed
> 
> 
> 
> > and there have been enough informal 
> > proposals for man_made=shaft and similar.
> 
> 
> I think a shaft is pretty different from those grottoes I mentioned, in being 
> a vertical, regular structure and normally longer, while the artificial, 
> decorative/recreational grottoes are not very deep. Also the former is 
> usually of technical character, while the latter is decorative.

agreed, I gathered a few alternatives which I found in the Cave page.

> maybe man_made=grotto for these cases?

what would that be? Look at the EN-wikipedia page.. quite a few meanings.

For the touristy things something like amenity or tourism may be better.
Also grottos apparently may be either man_made or natural according to 
english wikipedia.

Richard

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Re: [Tagging] artificial cave, historic military shelter

[Martin Koppenhoefer]

sent from a phone

> Il giorno 04 set 2016, alle ore 11:40, Richard  ha 
> scritto:
> 
> Also, I would 
> argue that "natural" implies natural


ok, agreed



> and there have been enough informal 
> proposals for man_made=shaft and similar.


I think a shaft is pretty different from those grottoes I mentioned, in being a 
vertical, regular structure and normally longer, while the artificial, 
decorative/recreational grottoes are not very deep. Also the former is usually 
of technical character, while the latter is decorative.

maybe man_made=grotto for these cases?

cheers,
Martin 
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Re: [Tagging] artificial cave, historic military shelter

[Richard]

On Fri, Sep 02, 2016 at 06:24:16PM +0200, Martin Koppenhoefer wrote:

> Besides this, in the first five years of that OSM wiki article there was no
> mention of artificial caves, it was only 2 years ago when LastGrape decided
> to put this sentence about man made caves onto this page, and it is not
> clear whether this is really the consensus of the community or just a not
> well thought through sentence he unilaterally put in.

it is not just this one sentence, it's also natural=cave_entrance which was 
for natural caves from the beginning (eg the 2007 proposal). Also, I would 
argue that "natural" implies natural and there have been enough informal 
proposals for man_made=shaft and similar.

Richard

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