[Talk-ca] Large amount of nodes displaced across Montreal region

George B. brssrd144 at gmail.com
Wed Jul 8 02:29:03 BST 2009


Hello all,

This afternoon, I took a look at the Mapnik render of the Montreal region
map only to notice that tiles were being rendered with many of the ways
erroneously leading from the island towards the South Shore. (
http://osm.org/go/cIrPUhi ) After double-checking with the Osmarender
version and the actual data, this isn't a rendering error but actually, it
seems that someone has moved a very large amount of nodes, which resulted in
the ways (streets, Metro lines, etc..) being transposed.

It seems that the changeset # 1765828 (
http://www.openstreetmap.org/browse/changeset/1765828 ) is responsible for
this.  This happens to be the user's (sjacques) very first edit so it may be
just him/her testing the functionality of OSM, a bug with their editor or a
case of vandalism.  Either way, I have contacted the user and am waiting for
a response.  In the meantime, I was wondering if anyone knows if it is
possible to revert this entire changeset.  If so, who can do this and how is
it done?

Thanks,
George B.
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