[Talk-us] cycle.travel US bike routing, and unreviewed rural TIGER
kliems at gmail.com
Sun Jun 14 21:24:36 UTC 2015
Well, you've certainly motivated me to from now on always modify the
tiger:reviewed tag :-)
Thanks again for your efforts!
On Sun, Jun 14, 2015 at 2:38 PM Richard Fairhurst <richard at systemed.net>
> Harald Kliems wrote:
> > Very nice, Richard! One quick comment: I might not be the only
> > who doesn't always change the tiger:reviewed tag when fixing
> > TIGER-imported roads. I don't know if that's technically feasible,
> > but maybe it would be better to check if a way has been modified
> > since import, independent of the tiger:reviewed tag.
> Absolutely. I did consider this and it's very feasible - osm2pgsql can tell
> you the user who last modified a way, and if it's DaveHansenTiger or
> woodpeck-fixbot, you can presume it's unmodified.
> Unfortunately, there are way too many false positives. Partly this is
> consequential damage (in particular, ways which have been split) but also
> bulk edits - for example, in several of states, people have assigned (say)
> maxspeed=35mph to all ways matching certain criteria, including dirt tracks
> tagged as highway=residential. This means the last editor is no guarantee
> that a residential is actually a usable paved road.
> After a few experiments (and I've been working on this all year, pretty
> much) I concluded that the tiger:reviewed tag is the only way of doing it.
> I'd restate that I'm only using this on rural residentials - anything
> unclassified or higher, or in an urban area, is assumed ok. Personally I
> have F6 assigned as a shortcut key in P2 for highway=unclassified for ease
> of quick retagging. :)
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