[Tagging] Short-term parking zones
marc marc
marc_marc_irc at hotmail.com
Tue Jan 16 11:10:25 UTC 2018
we probably need to work on "default values".
but no one seems motivated to work on the proposal.
Le 16. 01. 18 à 11:52, Matej Lieskovský a écrit :
> Ok, once again: I am sorry for even mentioning something that is
> actually documented on the wiki. I've since then thought about the data
> model and I can see how problematic it would be. Can we please move on
> to finding a solution?
>
> On 16 January 2018 at 09:25, Simone Saviolo <simone.saviolo at gmail.com
> <mailto:simone.saviolo at gmail.com>> wrote:
>
> 2018-01-15 11:07 GMT+01:00 Martin Koppenhoefer
> <dieterdreist at gmail.com <mailto:dieterdreist at gmail.com>>:
>
> > On 14. Jan 2018, at 12:32, Matej Lieskovský <lieskovsky.matej at gmail.com <mailto:lieskovsky.matej at gmail.com>>
> wrote:
> >
> > If you create a single empty relation with the details of the parking zone rules,
> > you can then tag every road with the id of the relation.
> > It is basically a way of flipping the relation system around,
>
> problem is with the following mappers, how would they find out
> there is such a relation and that they should add it to the road
> they newly added? If this kind of mapping started to become more
> established I imagine people would spend a lot of time looking
> for those empty relations with the tags?
>
>
> Not to mention that it would make for very poor data quality. It
> would establish a user-maintained (or rather, to-be-maintained)
> relationship between data; it would go over the software's head, and
> the database wouldn't know the least bit about it. From a practical
> point of view, when would an empty relation be downloaded? Never, if
> it has no members: which means that mappers would generally be
> anaware that such a thing even exists.
>
> In conclusion, you're suggesting a method that the machine couldn't
> help us with, and that mappers would have a very hard time (if not
> impossible) using correctly.
>
> Regards,
>
> Simone
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