More info on this - it seems to be a bunch of people working for this
company:
http://wiki.openstreetmap.org/wiki/%C3%96V_Firma_Mentz_Datenverarbeitung_GmbH
I've had no reply from the mapper that I tried to contact (although they
have fixed at least one of the problems that they created) so I've tried
again via direct message, comment on the firm's OSM wiki page and an OSM
message to the company's main OSM account.
What concerns me is that they're still editing (with various accounts).
It's relatively easy to trace straight lines from Bing, but it needs
experience and interpretation (and a local survey!) to see how
everything on the ground relates to everything else.
Based on their error rate so far I'd definitely still suggest that local
mappers check their edits.
Cheers,
Andy
On 08/11/2014 22:51, SomeoneElse wrote:
An anonymous note adder (http://www.openstreetmap.org/note/267719) and
someone on IRC noticed some problematical railway edits near
Sutton-in-Ashfield:
http://www.openstreetmap.org/way/311380489#map=15/53.1247/-1.2346&layers=N
It looks like an attempt to dual the Robin Hood line went a bit wrong
and ended up slicing through an industrial estate and some areas of
housing (though I'm sure it was "cock-up rather than conspiracy" as
Sir Bernard Ingham would have said). Looking at some other edits in
the same changeset, there are some other, less obvious, issues too,
which I've added to the changeset discussion:
http://www.openstreetmap.org/changeset/26590071
The most obvious problem seems to be "tracing the railway in but not
joining properly to other features (such as crossings)". Some
information (e.g. "cutting=yes") has also been lost.
Another local changeset:
http://www.openstreetmap.org/changeset/26587435
has some similar issues.
There have been a number of other edits, some with rather a lot of
deletions in them, including:
http://www.openstreetmap.org/changeset/26613977
All of these changesets could probably also benefit from a review from
local mappers to identify potential issues.
Cheers,
Andy
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