[Tagging] is explicit segregated tag needed on all ways allowing cyclists and pedestrians?

Peter Elderson pelderson at gmail.com
Tue Jan 5 18:52:50 UTC 2021


Force-fill-in strategy. Somehow I doubt that would be accepted. So data use
will have to handle the unknown. E.g. by using the safest choice, or known
defaults, or simply ignore.

Peter Elderson


Op di 5 jan. 2021 om 18:53 schreef Volker Schmidt <voschix at gmail.com>:

> The old OSM problem of the missing default definition for keys.
> No way around that, I'm afraid.
>
> On Tue, 5 Jan 2021 at 18:45, Peter Elderson <pelderson at gmail.com> wrote:
>
>> I know what it means. But in what case will segregated=no on a single way
>> be handled different than no segregated tag?
>>
>> Peter Elderson
>>
>>
>> Op ma 4 jan. 2021 om 17:43 schreef Paul Johnson <baloo at ursamundi.org>:
>>
>>> On Sat, Jan 2, 2021 at 3:01 PM Peter Elderson <pelderson at gmail.com>
>>> wrote:
>>>
>>>> I never tag segregated=no. On a single way, only segregated=yes has any
>>>> meaning. If it's not segregated=yes, it's not segregated.
>>>>
>>>
>>> Not quite.  An absence of a tag doesn't mean it isn't segregated, it
>>> means that OSM doesn't know.  segregated=no means "no, this definitely is
>>> not segregated".  If it's not tagged, it's not unreasonable for data
>>> consumers to assume it's not segregated, but it's possible it is.
>>>
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