Charles Samuels <o...@charles.derkarl.org> writes: > On Sunday, April 12, 2015 01:12:12 AM Andy Allan wrote: >> > Right now, if a tag doesn't match with supercharge.info, I overwrite >> > OSM's. >> >> Could you explain this a bit further? For example, if supercharge.info >> has capacity 6, and I correct this to capacity 8, does your script >> then overwrite my tag and change it back to the incorrect value? > > Correct. My intent is that I expect OSM to be no better than > supercharge.info, > so for now it's easiest to just overwrite. Then on following runs of it, I > manually investigate the changes made in OSM and reconcile the differences.
You may actually be right about the likelihood of correctness, and this may lead to an expected value of < 0.1 errors per year. However, imports changing data entered by hand is something that crosses a cultural bright line, and I find it concerning that you're heading down that path. I say that as someone who is usually much more on the pro-import side. To stay within OSM norms, the thing to do is leave the existing data alone, and publish a list someplace of mismatches. It's fine to write to the person who added it and explain that there's a mismatch and ask if they are sure. The other notion in imports is to test out the process before you do it. Have you run the conflation code against the osm database, and how many cases are there where osm already has a charger station but the tags dont' match?
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