I haven’t done any reversions yet. I was planning to start from the oldest changeset and work forwards, however the oldest changesets don’s specify a source. I’ve asked about a couple of these including:
https://www.openstreetmap.org/changeset/117791362 - first changeset - on outskirts of Wilcannia https://www.openstreetmap.org/changeset/117831384 - outskirts of Old Junee Both of these are claimed to be from information provided by ’someone’ who had travelled on those roads. I’ve just asked for more info regarding the source of this information. I also queried a couple of recent edits from 'local information and NSW Speed Data’: https://www.openstreetmap.org/changeset/147432769 - western edge of Kempsey from 'local information and NSW Speed Data’ - also from ’someone’ who had travelled on those roads. https://www.openstreetmap.org/changeset/146881278 - private driveway near Brooms Head from 'local information’ - I had previously surveyed this maxspeed, and recent Google imagery showed the same limit. No reply regarding this one. How should I (or we) approach this? Will I need to check available imagery for every changeset? Should I go ahead and revert the NSW Speed Data ones? Mark P. > On 12 Feb 2024, at 2:45 pm, Andrew Harvey <andrew.harv...@gmail.com> wrote: > > No objections from me. They haven't responded yet, and from everything we can > tell they imported the data without any other cross checks and didn't follow > the import guidelines. > > On Sun, 11 Feb 2024 at 22:00, Mark Pulley <mrpul...@iinet.net.au > <mailto:mrpul...@iinet.net.au>> wrote: >> I’ve got some spare time (having caught up with the surveys from my last >> holidays), so I can go through these and revert them. Any objections? >> >> Mark P. >> >>> On 9 Feb 2024, at 9:57 am, Andrew Harvey <andrew.harv...@gmail.com >>> <mailto:andrew.harv...@gmail.com>> wrote: >>> >>> We do have permissions to use this data it's listed in >>> https://wiki.openstreetmap.org/wiki/Australian_Data_Sources#New_South_Wales, >>> however from looking at their changeset history, it looks like >>> >>> 1. They are conducting an import by en-mass blindly adding and replacing >>> existing data with the imported data >>> 2. They may be engaging in directed mapping (being employed to make these >>> changes), since their changesets are all the same, importing speed limits, >>> except for one Local Knowledge changeset >>> https://www.openstreetmap.org/changeset/131210459 in India. >>> >>> If they want to conduct an import like this, they need to go through the >>> proper process, so based on and the issues you've rased it should be fine >>> to revert all their affected changes and then ask going forward to go >>> through the import guidelines >>> https://wiki.openstreetmap.org/wiki/Import_guidelines. >>> >>> >>> On Thu, 8 Feb 2024 at 21:32, Mark Pulley <mrpul...@iinet.net.au >>> <mailto:mrpul...@iinet.net.au>> wrote: >>>> Does the NSW Government Speed Zone data have a licence suitable for >>>> importing into OSM? Also, is it generally accurate? >>>> https://opendata.transport.nsw.gov.au/dataset/speed-zones >>>> https://opendata.transport.nsw.gov.au/dataset/road-segment-data-from-datansw >>>> >>>> The reason I ask is that I recently came across a few roads with speed >>>> zones updated based on this data. The biggest problem is that the changes >>>> made in these three changesets were incorrect (i.e. the previously >>>> surveyed maxspeeds were updated from this data, but on survey in December >>>> 2023 the original surveyed maxspeed was the correct one). >>>> >>>> https://www.openstreetmap.org/changeset/129760120 >>>> https://www.openstreetmap.org/changeset/129759614 >>>> https://www.openstreetmap.org/changeset/129759603 >>>> >>>> Other changesets have been made based on this data, but I haven’t checked >>>> the accuracy of them. >>>> >>>> Mark P. >>>> >>>> _______________________________________________ >>>> Talk-au mailing list >>>> Talk-au@openstreetmap.org <mailto:Talk-au@openstreetmap.org> >>>> https://lists.openstreetmap.org/listinfo/talk-au >>> _______________________________________________ >>> Talk-au mailing list >>> Talk-au@openstreetmap.org <mailto:Talk-au@openstreetmap.org> >>> https://lists.openstreetmap.org/listinfo/talk-au >> >> _______________________________________________ >> Talk-au mailing list >> Talk-au@openstreetmap.org <mailto:Talk-au@openstreetmap.org> >> https://lists.openstreetmap.org/listinfo/talk-au > _______________________________________________ > Talk-au mailing list > Talk-au@openstreetmap.org > https://lists.openstreetmap.org/listinfo/talk-au
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