Re: [Tagging] Use of crossing:island where crossings and islands are mapped separately

2022-10-18 Thread Mateusz Konieczny via Tagging
Have you tried writing to them using changeset comment?


Oct 17, 2022, 20:17 by r...@hubris.org.uk:

> The same user whose edits gave rise to the post below appears to have decided 
> to "standardise" crossing tagging on crossings in Newham, most of which I 
> have surveyed and mapped, with the following innovations:
>
> 1) tactile_paving=yes on crossing ways, although none of the ways have 
> tactile paving along their entire length. This may be a result of copying all 
> the tags from the crossing node to the way, but could be unhelpful for any 
> data consumers which expect tactile_paving=* to work as documented.
> https://wiki.openstreetmap.org/wiki/Key:tactile_paving#Use_on_ways
>
> 2) removing crossing=no from highway=traffic_signals nodes where there is 
> either no crossing or a crossing which is mapped as a separate node. It's not 
> a necessary tag, but it's been used as documented in the 'How to map' section 
> of the wiki. I've added a sentence to the wiki for crossing=no referring to 
> highway=traffic_signals
> https://wiki.openstreetmap.org/wiki/Tag:highway%3Dtraffic_signals#How_to_map_(new)
> https://wiki.openstreetmap.org/w/index.php?title=Key:crossing=prev=2421754
>
> 3) replacing traffic_signals=traffic_lights with the less-specific 
> traffic_signals=signal and traffic_signals=pedestrian_crossing with the 
> undocumented traffic_signals=crossing
> https://wiki.openstreetmap.org/wiki/Key:traffic_signals
>
> I'm happy for my edits to be corrected when I make mistakes or misread the 
> wiki, which I'm sure happens more often than I imagine. However, it's rather 
> annoying to lose data to what appears to be an undiscussed and potentially 
> misguided personal project.
>
> On 27/09/2022 07:42, Robert Skedgell wrote:
>
>> Where there is a crossing with traffic islands, but the highways forming the 
>> crossings and crossing the islands are mapped separately, my assumption has 
>> been that crossing:island=no is the correct tagging.
>>
>> If a visually impaired user is being told to expect additional islands or 
>> refuges where none exist, this does not strike me as particularly safe.
>>
>> This wiki appears to agree with this:
>> "Do not tag a crossing with crossing:island=yes if the crossing is 
>> explicitly mapped as multiple separate crossings; i.e., where the traffic 
>> island is not part of the footway=crossing way. This is common with larger 
>> intersections with wide traffic islands where the traffic lane in each 
>> direction is mapped separately. For clarity, the stretches of 
>> highway=footway that form part of the traffic island can be tagged with 
>> footway=traffic_island. Additionally, the footway=crossing sections can 
>> optionally be tagged with crossing:island=no. This may be useful in case you 
>> are performing a survey of all crossings in an area and wish to explicitly 
>> mark these as having separate (or no) refuge islands."
>> https://wiki.openstreetmap.org/wiki/Key:crossing:island
>>
>> I haven't used footway|cycleway=traffic_island on the ways crossing the 
>> islands, possibly because JOSM and/or Osmose (incorrectly?) complain. 
>> Perhaps I should?
>>
>
>
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Re: [Tagging] Use of crossing:island where crossings and islands are mapped separately

2022-10-17 Thread Jeremy Harris

On 17/10/2022 19:17, Robert Skedgell wrote:

1) tactile_paving=yes on crossing ways, although none of the ways have tactile 
paving along their entire length. This may be a result of copying all the tags 
from the crossing node to the way, but could be unhelpful for any data 
consumers which expect tactile_paving=* to work as documented.
https://wiki.openstreetmap.org/wiki/Key:tactile_paving#Use_on_ways


That suggested restriction: not marking up a simple crossing way
with tactile_paving yes/no to indicate whether the common case for the UK,
that the sidewalk endpoints do or don't have that ribbed paving
- requiring micro-mapping at the level of marking up the nodes on
the ends instead of the way -
seems... overly prescriptive to me.
--
Cheers,
  Jeremy


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Re: [Tagging] Use of crossing:island where crossings and islands are mapped separately

2022-10-17 Thread Robert Skedgell
The same user whose edits gave rise to the post below appears to have 
decided to "standardise" crossing tagging on crossings in Newham, most 
of which I have surveyed and mapped, with the following innovations:


1) tactile_paving=yes on crossing ways, although none of the ways have 
tactile paving along their entire length. This may be a result of 
copying all the tags from the crossing node to the way, but could be 
unhelpful for any data consumers which expect tactile_paving=* to work 
as documented.

https://wiki.openstreetmap.org/wiki/Key:tactile_paving#Use_on_ways

2) removing crossing=no from highway=traffic_signals nodes where there 
is either no crossing or a crossing which is mapped as a separate node. 
It's not a necessary tag, but it's been used as documented in the 'How 
to map' section of the wiki. I've added a sentence to the wiki for 
crossing=no referring to highway=traffic_signals

https://wiki.openstreetmap.org/wiki/Tag:highway%3Dtraffic_signals#How_to_map_(new)
https://wiki.openstreetmap.org/w/index.php?title=Key:crossing=prev=2421754

3) replacing traffic_signals=traffic_lights with the less-specific 
traffic_signals=signal and traffic_signals=pedestrian_crossing with the 
undocumented traffic_signals=crossing

https://wiki.openstreetmap.org/wiki/Key:traffic_signals

I'm happy for my edits to be corrected when I make mistakes or misread 
the wiki, which I'm sure happens more often than I imagine. However, 
it's rather annoying to lose data to what appears to be an undiscussed 
and potentially misguided personal project.


On 27/09/2022 07:42, Robert Skedgell wrote:
Where there is a crossing with traffic islands, but the highways forming 
the crossings and crossing the islands are mapped separately, my 
assumption has been that crossing:island=no is the correct tagging.


If a visually impaired user is being told to expect additional islands 
or refuges where none exist, this does not strike me as particularly safe.


This wiki appears to agree with this:
"Do not tag a crossing with crossing:island=yes if the crossing is 
explicitly mapped as multiple separate crossings; i.e., where the 
traffic island is not part of the footway=crossing way. This is common 
with larger intersections with wide traffic islands where the traffic 
lane in each direction is mapped separately. For clarity, the stretches 
of highway=footway that form part of the traffic island can be tagged 
with footway=traffic_island. Additionally, the footway=crossing sections 
can optionally be tagged with crossing:island=no. This may be useful in 
case you are performing a survey of all crossings in an area and wish to 
explicitly mark these as having separate (or no) refuge islands."

https://wiki.openstreetmap.org/wiki/Key:crossing:island

I haven't used footway|cycleway=traffic_island on the ways crossing the 
islands, possibly because JOSM and/or Osmose (incorrectly?) complain. 
Perhaps I should?





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Re: [Tagging] Use of crossing:island where crossings and islands are mapped separately

2022-09-27 Thread martianfreeloader

I support crossing:island=separate.

It is unambiguous and in analogy to a lot of other taggings like sidewalks.



On 27/09/2022 09:49, Mateusz Konieczny via Tagging wrote:




Sep 27, 2022, 08:42 by r...@hubris.org.uk:

Where there is a crossing with traffic islands, but the highways
forming the crossings and crossing the islands are mapped
separately, my assumption has been that crossing:island=no is the
correct tagging.

What "crossing:island" means exactly?
- "this crossing has associated island"
- "in addition to mapped geometry there is also a traffic island on this 
crossing"


If the second, then what about crossing:island=separate?

crossing:island=no seems a bit confusing to be used where crossing 
island exists.


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Re: [Tagging] Use of crossing:island where crossings and islands are mapped separately

2022-09-27 Thread Mateusz Konieczny via Tagging



Sep 27, 2022, 08:42 by r...@hubris.org.uk:

> Where there is a crossing with traffic islands, but the highways forming the 
> crossings and crossing the islands are mapped separately, my assumption has 
> been that crossing:island=no is the correct tagging.
>
What "crossing:island" means exactly?
- "this crossing has associated island"
- "in addition to mapped geometry there is also a traffic island on this 
crossing"

If the second, then what about crossing:island=separate?

crossing:island=no seems a bit confusing to be used where crossing island 
exists.
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Re: [Tagging] Use of crossing:island where crossings and islands are mapped separately

2022-09-27 Thread Jeroen Hoek
Where there is a crossing with traffic islands, but the highways forming the crossings and crossing the islands are mapped separately, my assumption has been that crossing:island=no is the correct tagging. 


I agree. My understanding is that you can provide information about 
pedestrian refuges at a crossing in two ways:


* By adding crossing:island=yes to the crossing node, and mapping the 
whole crossing from side to side with footway=crossing on the crossing 
way, including across the traffic island(s)
* By mapping the crossing separately leaving crossing:island out (or 
using 'no'), and mapping the actual crossing bits with separate 
footway=crossing on the ways between side(s) and traffic island(s)


It is my understanding that crossing:island=* only says something about 
the crossing way it sits on (ideally, tagged with footway=crossing), not 
all the crossings part of an intersection.


I've started using footway=traffic_island on the highway=footway for the 
bits in between (the 'pedestrian refuges' or 'traffic islands'). This 
helps other mappers understand the crossing and prevent accidental 
joining of the ways. For data consumers interested in accessibility, the 
mapped length of the actual crossings (tagged with footway=crossing and 
one or more highway=crossing nodes where ways/lanes intersect) can be 
interesting (e.g., for routers to penalize very long crossings without 
traffic islands).


I haven't used footway|cycleway=traffic_island on the ways crossing the 
islands, possibly because JOSM and/or Osmose (incorrectly?) complain. 
Perhaps I should?


JOSM should have stopped complaining about this by now. Values for 
footway=* where whitelisted due to a period where values for sidewalk=* 
where put in footway=* instead (e.g., footway=left). This is still part 
of the validation, but other footway-values are now treated as 
user-defined, which is in line with how footway=* is used.


Does Osmose complain about these?

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[Tagging] Use of crossing:island where crossings and islands are mapped separately

2022-09-27 Thread Robert Skedgell
Where there is a crossing with traffic islands, but the highways forming 
the crossings and crossing the islands are mapped separately, my 
assumption has been that crossing:island=no is the correct tagging.


If a visually impaired user is being told to expect additional islands 
or refuges where none exist, this does not strike me as particularly safe.


This wiki appears to agree with this:
"Do not tag a crossing with crossing:island=yes if the crossing is 
explicitly mapped as multiple separate crossings; i.e., where the 
traffic island is not part of the footway=crossing way. This is common 
with larger intersections with wide traffic islands where the traffic 
lane in each direction is mapped separately. For clarity, the stretches 
of highway=footway that form part of the traffic island can be tagged 
with footway=traffic_island. Additionally, the footway=crossing sections 
can optionally be tagged with crossing:island=no. This may be useful in 
case you are performing a survey of all crossings in an area and wish to 
explicitly mark these as having separate (or no) refuge islands."

https://wiki.openstreetmap.org/wiki/Key:crossing:island

I haven't used footway|cycleway=traffic_island on the ways crossing the 
islands, possibly because JOSM and/or Osmose (incorrectly?) complain. 
Perhaps I should?


--
Robert Skedgell (rskedgell)

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