[OSM-talk] LINZ import

[Pieren]

Yes, in France, we did a similar import last year. We imported directly all
landuse polygones that did not overlap more than 2% with already existing
landuse in OSM (175.000 created in this way).
Here are the details of how the dataset avoiding the overlap was created:
http://wiki.openstreetmap.org/wiki/WikiProject_Corine_Land_Cover/Corine_Data_Import

Then we deployed a map server showing the remaining polygones which can be
opened and manually merged using JOSM (and its remote control plugin) with
all related metadata (zoom in to see the markers):
http://clc.openstreetmap.fr/cgi-bin/index.py

Each polygone can be marked as "imported" or "rejected" by anyone who think
that the job is done. A wiki page explaines the manual import steps. The
import status of each polygone showed on this map is stored in a separate
database.

One remaining issue is the size of some polygones. Although we created
multipolygones relations, sometimes the size is simply too big for a normal
JOSM editor environment.

Pieren
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