[Tagging] Layer and highway=steps

Andrew Errington erringtona at gmail.com
Sat Jul 2 12:13:28 UTC 2016


The direction of the way was discussed a long time ago.  Consensus was that
it should be 'up' based on the convention of architectural drawings.  It
seemed as good a reason as any.

That's all I have, really.

Andrew
On 2 Jul 2016 20:48, "Bjoern Hassler" <bjohas+mw at gmail.com> wrote:

> Hi Volker,
>
> My question does relate to overlapping steps, see
> http://overpass-turbo.eu/s/h5F for context (King's Cross underground,
> London). Yes, layer rather than level.
>
> I'm thinking about accessibility, as well as ease of mapping. Suppose you
> are at a certain location, how do you determine what
> steps/escalators/elevators connect to that location (from other floors)? In
> other words, what are your access options to that layer.
>
> Similarly for mapping: because of the extensive network, it's hard to see
> what's what. With layer on steps you could examine the data layer by layer.
> If only footways have layers, what overpass query would you use to include
> steps?
>
> Thanks for note on up/down. The wiki documentation does suggest this: "By
> convention, the *direction of the way* should preferably point uphill,
> but the key incline <http://wiki.openstreetmap.org/wiki/Key:incline>=* should
> always be added to the way (see the talk
> <http://wiki.openstreetmap.org/wiki/Talk:Tag:highway%3Dsteps>page
> <http://wiki.openstreetmap.org/wiki/Talk:Tag:highway%3Dsteps>for more
> details)." So no default direction as you say, but convention and
> recommended incline tag.
>
> Bjoern
> On 2 Jul 2016 12:04, "Volker Schmidt" <voschix at gmail.com> wrote:
>
>> "layer" is not relevant here. The "layer" tag is only used to indicate
>> the relative vertical position of the object with respect to other objects.
>> So steps would only have a layer tag if they are crossing another way, but
>> not connecting to it.
>>
>> To indicate the up or down direction of steps, you can use the tag
>> incline=up|down. There is no default direction of steps, as far a I know.
>>
>> Your question may refer to the "level" tag. In that case your steps are
>> connecting different floor levels of a building. I would not assign a
>> "level" tag value to a stair that connects the first floor (level=1) with
>> the second floor (level=2) of a building.
>>
>> Volker
>>
>> On 2 July 2016 at 12:28, Bjoern Hassler <bjohas+mw at gmail.com> wrote:
>>
>>> Hi all,
>>>
>>> What is the consensus on the  layer tag for steps?
>>>
>>> In the direction of the way, steps should normally run uphill/upwards,
>>> say from layer=-2 to layer=-1.
>>>
>>> Should the steps be tagged with layer=-2 or layer=-1? Or both (using
>>> different tags)?
>>>
>>> Thanks,
>>> Bjoern
>>>
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