Jun 8, 2020, 14:28 by pla16...@gmail.com: > On Mon, 8 Jun 2020 at 12:41, Mateusz Konieczny via Tagging <> > tagging@openstreetmap.org> > wrote: > >> >> Jun 8, 2020, 13:18 by >> pla16...@gmail.com>> : >> >>> Have these objects left traces or not? >>> >>> https://www.bbc.co.uk/news/uk-wales-52911797 >>> Are they mappable? >>> >> But verifying it seems problematic at best. >> > > Unless there is a requirement that anything mapped by aerial imagery must > be compared in two independent sets of imagery, I don't see a problem. > For example http://blog.imagico.de/verifiability-and-the-wikipediarization-of-openstreetmap/ promotes much stricter verification requirements. I am not sure whatever I would want go so far, but mapping something appearing in a single aerial imagery seem not ideal. > have aerial imagery of these (but whether or not it is ever made available to > us under appropriate copyright terms is another matter). Verification is a > matter of somebody else looking at the same imagery and reaching the > same conclusion. > >> >> >> I see why mapping it could be exciting but It am very dubious about it and >> would be against doing that. >> > > I doubt the imagery will be released in a form we can use. But it might be. > >> >> (for reference in Poland there is now a discussion about importing index of >> archeological sites,decision seems to be to import ones where terrain shape >> remained and to not >> import ones visible only as discoloration of vegetation visible on aerial >> images) >> > > I wouldn't map vegetation discolouration as indicative of anything because I > don't have the expertise to tell what it means. But if experts at a > governmental > heritage organization determine that the discolouration is the result of a > particular > historical feature and designates it as a nationally important archaeological > site then I might map it as such (that designation would put it under legal > protection and it would be a criminal act to dig it up). > Yes, official recognition (or ven better - placing information board or something there) would push it toward "lets map this".
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