[Tagging] Tagging a Portuguese pavement

António Madeira antoniomadeira at gmx.com
Mon Jan 25 20:15:24 UTC 2021

Hi, Fernando.
Thank you for your input.

I agree that the use of paving_stones seems out of the question, because
the surface is irregular and there is some space between stones,
although there are Portuguese pavements as smooth as a tile, created
with modern techniques, but they're usually found indoors, inside
important public buildings and private ones.
Since this kind of pavement is not a pattern, I would exclude that also.
If we agree that it's a pavement=sett, we can take advantage of the
numerous uses of the tag, which, in Portugal, are almost certainly
applied toall Portuguese pavements in pedestrian areas and sidewalks.
It would be easier to use a subset like sett:style because sett:type is
already in use with other purpose. This could also open space for other
kinds of sett:styles that probably exist all over the globe.

Às 14:18 de 25/01/2021, Fernando Trebien escreveu:
> Hi Antonio. There was some discussion on this in 2018, but not much
> formal agreement:
> 1. https://lists.openstreetmap.org/pipermail/tagging/2018-January/034795.html
> 2. https://www.openstreetmap.org/user/Pieter%20Vander%20Vennet/diary/43120
> 3. https://wiki.openstreetmap.org/wiki/Talk:Proposed_features/Paving_stone_details#Generalizing_for_other_types_of_pavements
> By analogy, it seems like a current standard pattern would in fact be
> surface=sett + sett:pattern=portuguese. sett:pattern has a little more
> than 500 uses. [1] Back in 2018, I've proposed using surface=sett +
> paving_pattern=portuguese. For the pavements of sidewalks, this would
> produce:
> sidewalk:surface=sett + sidewalk:sett:pattern=portuguese
> or
> sidewalk:surface=sett + sidewalk:paving_pattern=portuguese
> Some have proposed using surface=paving_stones instead, but most of
> the Portuguese pavements I know are not as smooth as most of the
> surfaces represented by surface=paving_stones, so I think surface=sett
> is more similar in terms of smoothness in the same sense as defined by
> the smoothness=* tag [2] for pedestrians, skaters, bikers, etc. Paving
> stones do include natural stones (as the ones used in Portuguese
> pavement), but the top is usually very flat and smooth. If instead you
> choose to use surface=paving stones, then
> sidewalk:sett:pattern=portuguese would have to be changed to
> sidewalk:paving_stones:pattern=portuguese, a change that I think
> complicates the tagging scheme.
> [1] https://taginfo.openstreetmap.org/keys/sett%3Apattern
> [2] https://wiki.openstreetmap.org/wiki/Key:smoothness
> On Mon, Jan 25, 2021 at 2:29 PM António Madeira <antoniomadeira at gmx.com> wrote:
>> Hi there.
>> What would be the best way to differentiate this very characteristic
>> type of sett?
>> https://en.wikipedia.org/wiki/Portuguese_pavement
>> After some discussions in the Portuguese community, it was proposed the
>> following:
>> surface=sett
>> sett:style=portuguese
>> What do you think?
>> Regards.
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