I was going to say, it was either that or he was taking the piss. Turns out, it must have been the latter, because there were some roadworks going on and I just asked one of the workers. And it's just wear and tear, but he did confirm that there are special paving stones for easier drainage. Well, I guess we all learned something. -- Sent from my Android phone with WEB.DE Mail. Please excuse my brevity. On 21/02/2024, 15:35 Yves via Tagging <tagging@openstreetmap.org> wrote:
Out of curiosity, I looked the Web for wiggly pavement for drainage. Somme pavement have extra tips on the side for increased spacing.
Apparently, as long as it's built on sand, the drainage is pretty good, no mention of a loose setup.
Maybe the politician is very good at his job? ;-)
Yves
Le 21 février 2024 12:25:39 GMT+01:00, Anne-Karoline Distel via Tagging <tagging@openstreetmap.org> a écrit :
Hi,
yes, I think paving_stones is right, but I'm fairly convinced that it was built wiggly on purpose, otherwise the politician wouldn't have had a special word for it. I couldn't find anything on wikipedia about the topic, unfortunately.
Cycling across is not a problem, if you don't mind the sound. I don't think the whole width of the street is paved wiggly, just enough to let the water drain, so skaters could use it on the sides.
I wasn't too concerned about the mapping for traffic users of the street, more for flood prevention analysis, but maybe that's just not within the scope yet.
Anne
On 21/02/2024 09:50, Mateusz Konieczny via Tagging wrote:
I also would go with surface=paving_stones - and maybe add also smoothness tag,
and agree with Fernando
I think they are surface=paving_stones because:
- the stones are very flat on top
- it seems that the objective was to arrange them snugly, although the fit may have deteriorated a little
- it seems pretty easy to ride a bike there, but not skate, which is what one generally expects from surface=paving_stones; surface=sett is a little more difficult for cycling because the stones are less flat and the surface as a whole is also less flat
That's the best I can do for now: https://www.mapillary.com/app/?lat=52.651926666667&lng=-7.2515966666667&z=17&pKey=1685817985195902&focus=photo&x=0.22772882642716127&y=0.968169011381621&zoom=0 You can kind of see the gaps between the stones.
On 17/02/2024 17:46, Åbn wrote:
I think you should provide a picture.
I'm not sure I'm understanding the differences between surface=sett and
surface=paved or if what I'm trying to map is covered by either. Where I
live, there are some streets that are paved, but the stones aren't set
firmly, so they wobble a bit when you drive/ cycle over them. It is
perfectly safe, but it allows rainwater to drain quicker, at least I
think that is the reason for this type of paving. It sounds a bit like a
xylophone (well, lithophone, I guess), when going over them.
Considering climate change and the higher likelihood of flooding etc, it
would be important to map the difference between paved streets that
don't allow for quick drainage and these loosely paved streets. There is
probably some technical term for it.
So, in short: Do we have a tagging scheme for those or not?
Anne
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