ael wrote: "Otherwise, subsequent mappers come along with far inferior information and wipe out my many hours/days/years of careful work on the ground ... bitter experience as above shows that source tags are *necessary* to indicate: "please don't modify unless you have better information".
I agree totally. That is a major reason I persist in my practice; other mappers will know where my data comes from and would be, I expect, less likely to replace it unless they have an obviously better source On Sat, Jul 22, 2017 at 1:40 PM, Tom Pfeifer <[email protected]> wrote: > On 22.07.2017 20:51, Simon Poole wrote: > > [...] Which in turn implies >> that if you are using more than one third party data source and it is >> not clear what you have been deriving from which source, you should be >> creating separate changesets. >> > > Separating changesets would be a rare case in which there is a very exotic > source. > > Normally you can, in the same changeset, specify in the source tag e.g. > "ground survey (name); DOP 2016 (geometry)". Even when saying "ground > survey; DOP 2016" it would be obvious which source is for what. > > tom > > > _______________________________________________ > Tagging mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/tagging > -- Dave Swarthout Homer, Alaska Chiang Mai, Thailand Travel Blog at http://dswarthout.blogspot.com
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