Well, I just realized that a number of Indonesian and Tanzanian HOT mappers worked on my area of Indonesia this month. I haven't found out if they used facebook's new software, but I'm a little annoyed at how many footpaths they changed to highway=track. In a few cases there actually was a newly-built road that replaced a footpath, but several times the old footpath way was reused, even though the road takes a rather different route around hills and streams (gentler curves, etc) and needed to be remapped. It's hours of work to improve. Perhaps this is just the standard for the HDM / HOT work when it's done by mappers from across the country, or some from across the Indian Ocean, in this case.
In areas where I don't map as actively, they did add a number of new roads that were built in the last couple of years. I'll have to get more involved with their planning to avoid problems in the future. On 8/11/19, Dave Swarthout <daveswarth...@gmail.com> wrote: > The Facebook team did employ some sort of AI to assist in the > identification of highways but it wasn't always right. And the mappers they > employed didn't know OSM very well. We met with them several times to offer > advice and hints but some of the more active mappers in Thailand are still > railing about the failure of the team to come up to speed. They joined OSM, > they mapped, they departed. Next up, Grab. Another huge imbroglio resulted. > Same issues. Inaccurate mapping, broken routes, especially in Bangkok. > > The horse has definitely left the barn. We're left with what remains a very > large task of cleaning up and verifying. On a positive note, they added > thousands of highways for us and made their high-quality DigitalGlobe > imagery available to ordinary OSMers. That, to me anyway, was well worth > the trade-off. > > On Sat, Aug 10, 2019 at 9:43 AM Paul Allen <pla16...@gmail.com> wrote: > >> On Sat, 10 Aug 2019 at 17:27, Dave Swarthout <daveswarth...@gmail.com> >> wrote: >> >>> The decision to use the import=yes tag wasn't mine nor that of other >>> experienced Thailand mappers. The Facebook crew "invented" this use, for >>> whatever internal reason(s)of their own and we local mappers simply went >>> along with it because we were desperate for a method with which to check >>> their work. >>> >> >> If Joseph was right that Facebook used AI on the aerial imagery then I'd >> say it does meet some >> of the criteria for an import unless the results were first verified by >> humans. And since it >> sounds like Facebook dumped the unverified AI output into OSM for humans >> to check, then >> import=yes doesn't sound unreasonable (although it might have been better >> as a changeset >> tag rather than an object tag). Would something like AI_assisted have >> been better? Maybe. >> Would a changeset tag have been better? Maybe. Is there any point >> locking the stable door >> now the horse has bolted? No. Can we persuade Facebook to do it any >> differently in the >> future? I have my doubts, and I expect Facebook horses will keep bolting >> because they >> never lock the stable doors. >> >> -- >> Paul >> >> > > -- > Dave Swarthout > Homer, Alaska > Chiang Mai, Thailand > Travel Blog at http://dswarthout.blogspot.com > _______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging
