[Tagging] Expand the key:opening_hours

Simon Poole simon at poole.ch
Wed Mar 13 23:52:26 UTC 2019


Just a PS: any grammar extension need to be compatible with the use of
OH strings in conditional restrictions too, see
https://wiki.openstreetmap.org/wiki/Conditional_restrictions . While I
haven't looked at in detail your proposal for a timezone extension might
have difficulties with that.

Am 14.03.2019 um 00:38 schrieb Simon Poole:
> The basic problem with proposing an extension to the current OH grammar
> is that it is already far too complicated and full of ambiguities, there
> are afaik currently only two parsers that handle > 90% of the grammar
> and most of the other ones are rather broken, adding more stuff is
> definitely not going to improve things.
>
> That said, there are one or two places where extensions would be low
> impact (extra holiday and variable_date  values for example). However in
> any case I would suggest you familiarize yourself with the actual
> grammar
> https://wiki.openstreetmap.org/wiki/Key:opening_hours/specification
> first , in particular your proposal begins with a couple of non-starters
> that conflict directly with the existing specification.
>
> Simon
>
> Am 13.03.2019 um 19:52 schrieb Phake Nick:
>> I found that the current way of mapping opening time of features in
>> OSM map are too limiting, and the opening time of some features cannot
>> be properly represented with only the current syntax, therefore I have
>> written a brief idea about how the syntax in key opening_hours could
>> have been expanded to match more different needs at the article's talk
>> page. See https://wiki.openstreetmap.org/wiki/Talk:Key:opening_hours#Proposed_extension_to_supported_syntax_in_the_page.
>> . It would be nice if these features can be added into the scheme so
>> that relevant featurs opening days and time can be represented by the
>> scheme directly instead of via text description and external link.
>>
>> The most significant part of what I would like to see are support for
>> solar term(節氣/节气/節気/절기/Tiết khí) and (East Asia) lunar (lunisolar)
>> calendar(舊曆/旧历/旧暦/음력/Nông lịch). And because the calculation of both
>> are dependent on timezone and then when some countries celebrate these
>> festivals they use the calendar that is not based on their own
>> country's time but use the Chinese time (or time of other countries
>> for overseas diaspora of them) so I have also added a proposal to
>> support timezone specification in the scheme which is also desired by
>> some other users on the talk page. Note that the scheme I proposed to
>> express solar term and lunar month representation wasn't actually that
>> much intuitive but I believe it have an advantage that it's more
>> internationalized and thus providing a common way of tagging features
>> across different regions that use the calendar.
>>
>> Additionally, I have also written in the proposal that I would like to
>> see additional supported values for bank holidays, offset in term of
>> number of weeks, and also support for timestamp beyond 24 hours in the
>> scheme. Expressing time beyond 24 hours can be especially meaningful
>> when the operator of those features decided to release their time this
>> way and it can reduce error when inputing or transporting data into
>> OSM as it is not uncommon for people to forget properly converting
>> dates when they are asked to change the time format back to 00-23h
>> format.
>>
>> And while it seems like the de facto standard, I would also like to
>> see the formalization of the handling of time range representation
>> like Su 23:00-07:00 that in such syntax the 07:00 is referring to
>> 07:00 on the next day.
>>
>> Any thought on the proposal?
>>
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