[Talk-us] Rural US: Correcting Original TIGER Imported Ways

Rihards richlv at nakts.net
Mon Feb 19 07:51:50 UTC 2018

On 2018.02.19. 00:07, Clifford Snow wrote:
>     I've done a fair amount of TIGER touch-up in Michigan, but there's
>     still a lot of work left to be done, and this looks like a great way
>     to get a handle on it. One issue: Due to the automated name
>     expansion that was done on untouched TIGER ways a few years ago
>     (which I think only affected roads in the eastern US?) a lot of
>     these ways have bot-mode as their most recent user, rather than
>     DaveHansenTiger. (1)
>     The catch is that sometimes the name expansion changed the name
>     after a human mapper had edited the way, so it wouldn't always be
>     valid right to include ways where bot-mode is the most recent
>     editor. (2) I think if bot-mode is the most recent editor and the
>     way has only two versions, then it should be in effect an untouched
>     TIGER way, but I'm not sure how to get Overpass-turbo to pull that
>     info out.
>     Any suggestions?
> Running the overpass query looking for user DaveHansenTiger produced
> around 30mb of data. That's more than enough to keep everyone busy for a
> while.  Overpass-turbo query looking for user bot-mode produced over
> 100mb of data. It would need to be refined some. As you suggest, looking
> only at version 2 might help but I'm not sure you can do that in overpass. 
> There is another way to tackle the problem, one that I've used as well.
> Work on one county at a time. With 83 counties in Michigan the size of
> each county should be reasonable for one or two people to tackle. You
> could either break the county into small chucks using a Tasking Manager
> or just work on one county by your self. JOSM search capabilities mirror
> overpass so you can search for user and version.

recent josm versions also have built-in overpass download support - that
might save a bit of time when downloading with further refinements with
josm search.

> Clifford
> -- 
> @osm_seattle
> osm_seattle.snowandsnow.us <http://osm_seattle.snowandsnow.us>
> OpenStreetMap: Maps with a human touch-- 

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