<div dir="ltr"><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=%213m5%211e1%213m3%211sBcAaihLoEYmtOQbTnOlxWA%212e0%213e5?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=%213m4%211e1%213m2%211sJiyUyJYQx9Fqv_dC1-18_A%212e0?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.</div>