[Imports] Japanese KSJ2 data re-import (to fill up some erased)

[Satoshi IIDA]

Hi, list.

We Japanese start making fill up some OSM undereducated import data. (wow!
it is 1 year ago!)
Our main targets are KSJ2 data.
Detailed information are on wiki page.

http://wiki.openstreetmap.org/wiki/Import/Catalogue/Japan_KSJ2_Import

And situations are a bit changed, since first import.
* attribution mark are changed.
** old: add "source information" to EVERY data, even on every NODE. (from
data source licensing restriction)
** new: add "source information" to way, or relation. details on OSM wiki.
(we made consensus with the licencer)

My first attempt is vanished Forest Data.
Those data size are ...

$ ls -la
[snip]   39309962  7 24 01:05 a001300020120307.osm
[snip]   17931444  7 24 01:04 a001310020120307.osm
[snip]  114746548  7 24 01:11 a001330020120307.osm
[snip]    7134953  7 24 01:11 a001360020120307.osm
[snip]    9402438  7 24 01:12 a001370020120307.osm
[snip]   19781512  7 24 01:14 a001410020120307.osm
[snip]   90499434  7 24 01:16 a001440020120307.osm
[snip]   81436450  7 24 01:17 a001460020120307.osm
[snip]   46156811  7 24 01:19 a001470020120307.osm

They are converted from shape file with ogr2osm.

And fixed Huge multipolygon problem.
* I cut them up by mesh polygon.
* sample: https://www.dropbox.com/s/m8nap6umdwexg9b/a001360020120307.osm

All comments will be appreciated.

Regards.

-- 
Satoshi IIDA
mail: nyampire at gmail.com
twitter: @nyampire
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