[Tagging] What is a terrace after all?
A.Pirard.Papou at gmail.com
Wed Sep 12 02:26:30 UTC 2018
On 2018-09-10 02:27, André Pirard wrote:
> According to my OSM readings, I thought that a terrace was something
> very special, but, according to dictionary.com
> <https://www.dictionary.com/browse/terrace>, a terrace is most exactly
> like French, mainly a) raised ground, b) flat top of a building c) an
> accessible area connected to a building at ground or upper level, such
> as for living or other purposes..
> But beside that, dictionary.com defines a Terrace as a plain row of
> houses without a terrace at all and so does building=terrace
> <https://wiki.openstreetmap.org/wiki/Tag:building%3Dterrace>, unlike
> French and Wikipedia which calls it Terraced_house
> <https://en.wikipedia.org/wiki/Terraced_house> (adjective).
> Practically, I'm correcting hundredths of houses tagged at 3-5m+ away
> from their true location, with incorrect shape and without any addr:*
> at all. And during this I met areas tagged building=terrace that, of
> course, are just as imprecise: they get across the houses.
> If I map the houses that are inside, I get a very logical JOSM
> congratulation: "building inside a building".
> In my mind, building=terrace is a bad tag. It should be:
> be it as a row of houses or a single one.
> But I'm sure a reply will be "we" are not doing like that. Like what,
> What should I do? building=terrace
> <https://wiki.openstreetmap.org/wiki/Tag:building%3Dterrace> describes
> mapping separate houses as an *alternative*.
> Erase what another mapper did, and replace that element with houses?
> While waiting, I converted them to landuse=terraced (invisible).
> On the other hand, I once asked how to map a part of the street that
> is fitted with tables and seats near a café or restaurant.
> That is a *real* terrace.
> No answer.
> All the best,
So, in summary of this discussion, we have terraces, flat surfaces, and
we have houses that are houses and not those flat terraces but that we
call building=terrace and not houses. The wiki suggests to map then
separately which stops calling them terraces and to call them
building=house because they are not another kind of houses that some do
not call houses but detached.
I said that, while waiting to know what to do, I would temporarily keep
the outline tagged with landuse=terrace. Someone suggested that I should
keep the outline (permanently, I suppose) but he didn't say with which
tag. Someone suggested that I should use landuse=residential instead. I
said that I kept the outline temporarily and a so-called terrace landuse
shouldn't be transformed to residential which already exists and is
around the village instead of a few houses.
I disagree with suggesting a whole menagerie of tags for houses, so that
someone making a search for them has to consult a whole inexisting
catalog of keywords to use.
I suggest a single building=house plus a series of attributes like
house:terraced=yes if you like it, dot disappearing if the house stops
being mapped as a row, house:detached=yes for those who didn't notice
and to avoid calling 90% of the houses like that, house:row=yes etc to
your imagination and liking.
Now, finally, the only terrace in that story is (thanks, Marc) called a
Thanks to all,
All the best,
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