<div dir="ltr"><div>FWIW, in my area (northeastern US), "sett" is referred to as "Belgian block", but most people would indiscriminately refer to both surfaces as "cobblestone".<br><br>-- <br>
</div>Chris Hoess<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Sat, Aug 23, 2014 at 2:57 AM, Mateusz Konieczny <span dir="ltr"><<a href="mailto:matkoniecz@gmail.com" target="_blank">matkoniecz@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div><div><div><div><div><div><div><div><div><div>How one should tag surfaces:<br></div>- paved with equally sized, flat stones ( <a href="https://www.google.pl/maps/@50.061304,19.938305,3a,30y,270.75h,72.93t/data=!3m5!1e1!3m3!1sBcAaihLoEYmtOQbTnOlxWA!2e0!3e5?hl=pl" target="_blank">https://www.google.pl/maps/@50.061304,19.938305,3a,30y,270.75h,72.93t/data=!3m5!1e1!3m3!1sBcAaihLoEYmtOQbTnOlxWA!2e0!3e5?hl=pl</a> )<br>

</div>- paved with roughly shaped stones, only partially flattened ( <a href="https://www.google.pl/maps/@50.059029,19.940113,3a,30y,276.76h,68.16t/data=!3m4!1e1!3m2!1sJiyUyJYQx9Fqv_dC1-18_A!2e0?hl=pl" target="_blank">https://www.google.pl/maps/@50.059029,19.940113,3a,30y,276.76h,68.16t/data=!3m4!1e1!3m2!1sJiyUyJYQx9Fqv_dC1-18_A!2e0?hl=pl</a> )<br>

<br></div>I tag in the first situation as surface=sett and in the second as <br>surface=cobblestone.<br><br></div>Bur according to <a href="https://wiki.openstreetmap.org/wiki/Key:surface" target="_blank">https://wiki.openstreetmap.org/wiki/Key:surface</a> both should be<br>

</div>tagged as surface=cobblestone. cobblestone:flattened is  mentioned  <br>(without any description).<br><br></div>To further complicate situation it seems that both surfaces should be described <br>as sett - see <a href="http://en.wikipedia.org/wiki/Sett_%28paving%29" target="_blank">http://en.wikipedia.org/wiki/Sett_%28paving%29</a><br>

</div><br></div>Meanwhile, on taginfo - <a href="https://taginfo.openstreetmap.org/keys/surface#values" target="_blank">https://taginfo.openstreetmap.org/keys/surface#values</a> :<br></div>- cobblestone 119 216<br></div>
- sett 6 261<br>- cobblestone:flattened 2 176<br>
<br></div>Cobblestones, sett mistaken for cobblestone and flat sett are clearly different<br>and I hope for way to differentiate between these, better than using smoothness.<br></div></div>
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<br></blockquote></div><br></div>