[Imports-us] Update on TIGER realignment import

Eric Fischer enf at pobox.com
Tue Aug 6 04:05:00 UTC 2013

Ouch, that's unfortunate about the road crossing over itself. I thought I
had made sure that wouldn't happen, but clearly I didn't think of all the
possibilities. It's great to have a case where it is known to happen so I
can make sure I really fix it in the next round.

Thanks to everyone who downloaded a file and looked through it! I'll also
exclude Massachusetts from future runs so that the false positives don't
lead to unnecessary tiny edits.


On Mon, Aug 5, 2013 at 8:42 PM, Josh Doe <josh at joshdoe.com> wrote:

> On Mon, Aug 5, 2013 at 1:49 PM, Eric Fischer <enf at pobox.com> wrote:
>> Hi everybody. It's probably time for me to stop just talking about
>> importing the TIGER realignment and actually do something.
>> Last night I reran the program (
>> https://github.com/ericfischer/osm-tiger-update) to generate .osc files
>> for the entire realignable country. If anyone wants to take a look, I've
>> started uploading them to http://trafficways.org/tiger/out/ but they add
>> up to more than 4GB and will take a few more hours to finish copying from
>> my slow home network.
> Looks quite good after checking a few places in Fairfax County, VA. I did
> notice one oddity after merging it (
> http://trafficways.org/tiger/out/51059-0000.osc) with current data, as
> two nodes in a way cross over each other (JOSM screenshot
> http://snag.gy/29CHO.jpg). Also, and probably related, is that one of the
> ways doesn't seem to get updated, even though it and the constituent nodes
> haven't been edited by anyone:
> http://www.openstreetmap.org/browse/way/8824221 (merge the above OSC file
> with the area around this way)
> If this happens with any regularity, it would be good to document this in
> the wiki. Even with this small issue, it is on the whole a great
> improvement.
> -Josh
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