<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 23 Dec 2020 at 23:17, Paul Allen <<a href="mailto:pla16021@gmail.com">pla16021@gmail.com</a>> wrote:<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 dir="ltr"><div dir="ltr">On Wed, 23 Dec 2020 at 06:21, Andrew Harvey <<a href="mailto:andrew.harvey4@gmail.com" target="_blank">andrew.harvey4@gmail.com</a>> wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><br><div class="gmail_quote"><div>All the ones I've encountered the stream/river was only ever mapped as a linear way, so it's just a linear way for the stream and then an area way for the stream pool.</div></div></div></blockquote><div><br></div><div>That works fine for streams. It even works for narrow rivers. It doesn't</div><div>work so well for wide rivers where you map the banks with water=river.</div><div>You can do it that way, but it seems a bit of a kluge.<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 dir="ltr"><div class="gmail_quote"><br><div>So for creeks would you also use river=stream_pool or have also stream=stream_pool?</div></div></div></blockquote><div><br></div><div>The only creek I encountered was on a wide river, so I just expanded the</div><div>water=river into the creek. Maybe we need a water=creek. Except</div><div>"creek" means different things in different parts of the world, so we'd</div><div>spend forever arguing about the name. :)<br></div></div></div></blockquote><div><br></div><div>A creek here is waterway=stream, so when I say creek it means an OSM stream.</div><div><br></div><div>Mapping streams as areas is hard, because it changes based on how much it's rained, and needs well aligned drone imagery, not usually possible with GPS or aerial imagery.</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><div></div><div><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 dir="ltr"><div class="gmail_quote"><div> I guess that's fine too. I see your point, it's just I'd never really considered mapping streams/rivers with stream pools as anything other than a linear way.</div></div></div></blockquote><div><br></div><div>Consider this river. It's wide. And it's long (so there's a lot of water=river</div><div>still to be added). However, from sources I cannot use (copyright) I know</div><div> there's a pool on a bend, but I don't know exactly where on the bend or</div><div>its exact extent. It doesn't resemble a pond with a stream flowing through</div><div>it, it's more of a portion of river near the bank where the water flow</div><div>rate is negligible. It's somewhere around here:</div><div><a href="https://www.openstreetmap.org/?mlat=52.06119&mlon=-4.58477#map=17/52.06119/-4.58477" target="_blank">https://www.openstreetmap.org/?mlat=52.06119&mlon=-4.58477#map=17/52.06119/-4.58477</a></div></div></div></blockquote><div><br></div><div>Oh I see it would be hard to identify a stream pool on a river because from the imagery it's indistinguishable. All the ones I've mapped are at the base of a waterfall, and distinguishable because it's a pool of water compared to the linear stream way.</div><div><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 dir="ltr"><div class="gmail_quote"><div>Here's the angling association map which includes it (and several</div><div>other pools): <a href="https://teifitrout.co.uk/tta-waters/" target="_blank">https://teifitrout.co.uk/tta-waters/</a> It's on the Llechryd beat</div><div>(which should come up as default) and it's Pwll Erylin (marked as <br></div><div>point A31). Take a look at Cenarth for a beat with lots of pools.<br></div><div><br></div>When (if) we figure out how to handle pools, and maybe a few other</div><div class="gmail_quote">river features, I'll approach the angling association and see if they'd</div><div class="gmail_quote">be willing to help add such features to OSM. Maybe one of their</div><div class="gmail_quote">members will think about adding other things to the map when</div><div class="gmail_quote">the weather is too bad for fishing.<br></div><div class="gmail_quote"><br></div><div class="gmail_quote">-- <br></div><div class="gmail_quote">Paul</div><div class="gmail_quote"><br></div></div>
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