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<div><br></div><div><br></div><div><br></div><div>Aug 13, 2020, 16:41 by simon.still@gmail.com:<br></div><blockquote class="tutanota_quote" style="border-left: 1px solid #93A3B8; padding-left: 10px; margin-left: 5px;"><div><br></div><div class=""><div><div><br></div><blockquote class="" type="cite"><div class="">On 13 Aug 2020, at 11:41, Robert Whittaker (OSM lists) <<a class="" href="mailto:robert.whittaker+osm@gmail.com" rel="noopener noreferrer" target="_blank">robert.whittaker+osm@gmail.com</a>> wrote:<br></div><div><br></div><div class=""><div>On Sat, 18 Jul 2020 at 14:49, Richard Fairhurst <<a class="" href="mailto:richard@systemed.net" rel="noopener noreferrer" target="_blank">richard@systemed.net</a>> wrote:<br></div><blockquote class="" type="cite">... However, note that the "removed"<br></blockquote><div>sections mostly won't be reflected on the ground yet. Also, the<br></div><div>dataset isn't perfect, as there's at least one bit near me where the<br></div><div>route Sustrans have is wrong. I think it's also likely that some of<br></div><div>the small gaps that have been created are inadvertent and will quickly<br></div><div>be filled back in as volunteers review the new network.<br></div><div><br></div><div>We also might need to think about our tagging, as there will now be<br></div><div>more levels of routes: Full NCN routes, other promoted named routes<br></div><div>that aren't on the NCN. How can we distinguish these in OSM?<br></div><div>network=ncn and network=rcn are typically used for national and<br></div><div>regional level routes rather than specifically the Sustrans NCN.<br></div></div></blockquote></div><div>An interesting conundrum. I’m thinking about mapping and navigation in London at the moment (see blogs at <br></div><div><a class="" href="https://www.lcc.org.uk/articles/finding-your-way-on-londons-cycle-infrastructure-1" rel="noopener noreferrer" target="_blank">https://www.lcc.org.uk/articles/finding-your-way-on-londons-cycle-infrastructure-1</a><br></div><div><a class="" href="https://www.lcc.org.uk/articles/signage-and-wayfinding" rel="noopener noreferrer" target="_blank">https://www.lcc.org.uk/articles/signage-and-wayfinding</a><br></div><div><br></div><div><br></div><div>So my understanding is that OSM normally only maps what’s actually on the ground rather than what might be shown on a map (and there was some discussion recently about this - <a class="" href="https://www.mail-archive.com/talk-gb@openstreetmap.org/msg19303.html" rel="noopener noreferrer" target="_blank">https://www.mail-archive.com/talk-gb@openstreetmap.org/msg19303.html</a>)<br></div><div><br></div><div>So even if Sustrans declassify it, if the signs are still up shouldn’t it remain in OSM? <br></div></div></blockquote><div>Yes, until signs are removed. Though for practical reasons - if there is not enough mappers to verify<br></div><div>it fully and it is certain that signs will be removed it may be OK to remove it without such survey.<br></div><blockquote class="tutanota_quote" style="border-left: 1px solid #93A3B8; padding-left: 10px; margin-left: 5px;"><div class=""><div>Conversely - how do you deal with older bits of say London Cycle Network where signs have been removed or become unreadable.<br></div></div></blockquote><div>If signage on the ground is gone or never existed then route relation should not be mapped in OSM*.<br></div><div>Though I would first contact route operator before deleting/changing relation in OSM,<br></div><div>if route is supposed to be maintained.<br></div><div><br></div><div>*except rare and extreme cases where route is widely recognized without being signed, but<br></div><div>such cases are rare<br></div><blockquote class="tutanota_quote" style="border-left: 1px solid #93A3B8; padding-left: 10px; margin-left: 5px;"><div class=""><div> For example, I recently had an extended discussion about the status of the paths in Brockwell Park in Brixton (changeset here - <a class="" href="https://www.openstreetmap.org/changeset/83547875" rel="noopener noreferrer" target="_blank">https://www.openstreetmap.org/changeset/83547875</a> ) Maps showed routes and there may once have been signage but there is no longer any signage and supporting information says there is not a designated ‘route’ here. <br></div></div></blockquote><div>Then it is eligible for deletion. OSM is not place to map things that used to exist but are gone.<br></div><div><br></div> </body>
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