<div dir="ltr"><div dir="ltr">Hi Kyle,<br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Le mar. 14 sept. 2021 à 03:24, Kyle Hensel <<a href="mailto:K.y.l.e@outlook.co.nz">K.y.l.e@outlook.co.nz</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="overflow-wrap: break-word;" lang="EN-NZ"><div class="gmail-m_1239178466697818336WordSection1">
<p class="MsoNormal"> Is there are reason why waterway=pressurized is used instead of waterway=river/stream/canal/drain and pressurized=yes?</p></div></div></blockquote><div><br></div><div>Yes, waterways are defined according to their permanent flowing regime. Some are free flowing, others are pipe flowing.<br></div><div>A given waterway can't be both as it requires a special prerequisites to handle pressurised water.</div><div><a href="https://wiki.openstreetmap.org/wiki/Waterways#Artificial_waterways:_pressurised_vs_Open-flow_Waterways">https://wiki.openstreetmap.org/wiki/Waterways#Artificial_waterways:_pressurised_vs_Open-flow_Waterways</a></div><div><br></div><div>This table gives all values according to their regime</div><div><a href="https://wiki.openstreetmap.org/wiki/Key:waterway#Values">https://wiki.openstreetmap.org/wiki/Key:waterway#Values</a></div><div><br></div><div>River, streams, canals and drains are defined as free flowing waterways, so it wasn't consistent to propose pressurised=yes for them.</div><div>If a river goes punctually in a permanent pressurised culvert, waterway=pressurised + tunnel=culvert sounds the most appropriate possibility.<br></div><div>By the way, a river relation can obviously involve sections with different regimes.</div><div><br></div><div>In a perfect world we would have cleared waterway=* from all other values than flowing regime (move waterway=pier or waterway=fuel to man_made or amenity).</div><div>Never mind, I go back sleeping :)<br></div><div><br></div><div>All the best</div><div><br></div><div>François<br></div></div></div>