2009/6/27 Minh Nguyen <m...@zoomtown.com>: > Ngày 6/26/09 12:59 PM, Andy Allan viết: >> Hello Devs, >> >> source = tiger_import_dch_v0.6_20070813 >> tiger:county = St. Louis, MO >> tiger:tlid = 100111260:100111261:100111155:100111159 >> tiger:upload_uuid = bulk_upload.pl-6143e1a9-589d-43a0-9248-e95658773ef4 >> >> Stuff like this appears on every node in the US, which is a pain. I >> reckon it's all pointless, since all that info is on the ways in the >> first place, and it's worth deleting them. Here's some numbers from >> Matt to consider: >> >> Tiger node tags make up 85.43% of all node tags and take up: >> >> * 12.97% of the bzipped planet size (805Mb). >> * 34.68% of the uncompressed planet size. >> * 42.20% of the lines in the planet. >> * 31.51% of the parsing time of the planet (based on xmllint --stream). >> >> So, can anyone think of a good reason to keep them? Should we just >> delete tags like these? I'd love to hear if anyone think we should >> keep them (bearing in mind all the info, including ids, would remain >> on the ways in any case). >> >> http://wiki.openstreetmap.org/wiki/TIGER_fixup/node_tags >> >> Cheers, >> Andy > > The tiger:county data is actually kinda useful. I've been using it to > know where the county lines are according to TIGER, to make the county > boundaries more precise in my area. > > It's also nice to see tiger:county values on nearby streets when mapping > power lines in Potlatch, so I know just how carried away I got without > having to leave the editor and zoom way out. But that's probably a > fringe usage. :) >
Andy's only talking about the node tags at the moment -- this data will still be on the ways for now so you'll still be able to do these things. Dave _______________________________________________ dev mailing list dev@openstreetmap.org http://lists.openstreetmap.org/listinfo/dev