Quoting Ian Sergeant <inas66+...@gmail.com>:
I think doing a JOSM search for user:ABS2006 does everything we want here.
Because JOSM is only aware of the most recent user, this selects all V1
ABS2006 imported objects only. Relations, nodes and ways. These can then
be deleted with a single click.
If the relations, ways, and nodes are all unmodified this will delete them
all. If anything has been modified, it leaves it. If you are doing it
over a small area, it is possible to check any unselected boundary
relations as well, to check if the modifications are significant, and
manually tidy up around the edges.
Do you want me to try this on a small area (like Canberra :-) to see if it
gives the desired results?
Canberra has already been done using this method - I've currently got
JOSM set to only show boundaries, all apart from author=ABS2006 greyed
out, and certain other ways greyed out (highways, railways,
coastlines, state/country borders). I've also been deleting relations
once there are no longer any ways in them.
I haven't looked at all the state borders yet, but some of them at
least are based on ABS data - prior to the ABS import, was there other
data for state borders that can be undeleted, or will we need to add
these in again?
Mark P.
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