[talk-ph] Problematical OpenStreetMap edits around "null island"

Feye Andal andalfeye at gmail.com
Tue Nov 15 08:08:27 UTC 2016

Hello Andy,

Last week, Project NOAH conducted a one-day OSM workshop for the
municipalities of Ilocos Norte, Ilocos Sur, and La Union. Part of the
workshop is to teach them how to use JOSM and other mapping tools such as
GPS devices and OsmAnd/GoMap. I think some of the participants accidentally
uploaded the sample edits that they've made.

Apologies for the problematic edits. Rest assured that we will be
monitoring their edits.


Dinnah Feye H. Andal
MS Geography
University of the Philippines Diliman

On Sat, Nov 12, 2016 at 8:35 PM, Eugene Alvin Villar <seav80 at gmail.com>

> Hi Andy,
> Thank you for bringing this up. Although I am not connected with Project
> NOAH, there are a few members of Project NOAH on this mailing list but I am
> not sure if they have already read this email so I'm pinging them on other
> channels. Right now, I am assuming that the user is only experimenting with
> some features of JOSM.
> Regards,
> Eugene
> On Fri, Nov 11, 2016 at 10:24 PM, Andy Townsend <ajt1047 at gmail.com> wrote:
>> Hello,
>> I wonder if anyone here can help.  I'm trying to track down the cause of
>> a problem where rogue data is getting added around latitude 0, longitude 0
>> in the middle of the Atlandic.
>> The latest example changeset that does this has a changeset comment of
>> "#Project NOAH-ISAIAH added buildings".  It's that user's first changeset,
>> and adds some buildings both in the northern Philippines and at "null
>> island". A web search for that changeset comment finds
>> http://blog.noah.dost.gov.ph/2016/03/18/project-noah-announc
>> es-start-of-isaiah/ and the contact info there is
>> talk-ph at openstreetmap.org , so I'm sending this email to this list.
>> Clearly something has gone wrong somewhere - either the lat/long values
>> for the nodes of https://www.openstreetmap.org/way/452601924/history
>> were confused by JOSM at upload, or confused by something external to JOSM
>> and JOSM was just used as an interface to the OSM API without checking the
>> uploaded data.  Obviously this isn't the fault of the user who uploaded it
>> (it's their first changeset!) but it would be great if whatever training
>> they receive could be changed so that things like this don't happen in the
>> future.
>> In order to do that, can anyone think what might be the best way to
>> contact whoever would have run the OSM session in which this user uploaded
>> that changeset? If we can work out want went wrong we can fix it for next
>> time, whether it's a JOSM bug or something procedurally that needs
>> changing.
>> Best Regards
>> Andy Townsend ("SomeoneElse" in OSM)
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