I've started trying to replace some of the data in Mississauga from people
who haven't accepted the contributor terms using a mixture of bing, canvec
and memory.
http://www.openstreetmap.org/browse/changeset/10094967
http://www.openstreetmap.org/browse/changeset/10095179
A few things I've noticed
* Often you have to delete an item from a relation and you can't add the
replacement back into a relation because membership in a particular relation
isn't obvious from bing/canvec. Transit relations are an example of this.
* This re-mapping is a time consuming process, it takes longer than mapping
the area would have taken from scratch.
* I see at least two approaches that you can take. a) Pick a road and stick
with that road deleting all the data that the JOSM license check validator
picks up for the length of the road. Then retrace it from bing/canvec and
connect it at junctions to other roads, some of which might also be based on
non-ct term data. B) Pick an area delete all of the non-ct term data in
that area then start filling in blanks based on bing/canvec. I have not
yet decided which method works better.
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