[Imports] Importing Tesla Superchargers
osm at charles.derkarl.org
Mon Apr 13 20:24:03 UTC 2015
On Sunday, April 12, 2015 05:33:02 PM Greg Troxel wrote:
> 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.
Ok, I've made a bunch of changes to the code so that I make fewer changes to
OSM. Please follow the links in the original email to see the (now updated)
> 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?
There are 127 such differences, the vast majority of which are the "name" tag.
I have manually checked this differences:
- The "name" tags I produce are better than the original
- If they're not better, I manually adjust them
- In many cases, the sucket:tesla_supercharger is different, sometimes
"capacity" is different too, in all cases, my numbers match Tesla.com's
- A small number of opening_hours tags are wrong in OSM
- The resulting .osm file I produce has the old tags in an XML comment for
- Going forward I can and will look at new conflicts.
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