[OSM-talk] Assistance on reverting deletion of a relation
colliar
colliar4ever at aol.com
Tue Jun 5 14:40:32 BST 2012
On 05/06/12 10:09, Maarten Deen wrote:
> On 2012-06-05 09:46, Carsten Nielsen wrote:
>> Can somebody explain how to revert a deleted relation to the last
>> revision before the deletion ?
>>
>> The relation http://www.openstreetmap.org/browse/relation/157837 was
>> accidentally deleted as part of a changeset containing other changes
>> that should not be deleted.
>>
>> I now it is possible to revert a full changeset (script stuff) and
>> also to revert a single way (Potlach 1) but I have no idea of how to
>> revert a single relation.
>
> Easiest method:
> - use JOSM to download the last non-deleted version as URL (Open
> location, CTRL-L, url is
> <http://www.openstreetmap.org/api/0.6/relation/157837/35>)
> - Open the relation in JOSM, select all element and "download selected
> incomplete members"
> - make a new relation with those members.
> - upload
>
> If you want to "undelete" the existing relation:
> (This is from memory. I always have to find out the exact procedure
> while doing it...)
>
> - Download the latest non-delete version as URL (Open location, CTRL-L)
> in JOSM.
> - Open the relation in JOSM, select all element and "download selected
> incomplete members"
> - As a safety measure, in the relation editor: select all elements to
> the right, delete all elements and add them again (to make sure you
> don't have non-exisiting members in the relation).
> - upload to JOSM
> Now you'll get a conflict because you want to upload a different
> version. Resolve the conflict and upload. There might be a step here
> that I'm missing but that's because it's from memory.
>
> Make sure you never download the relation as a whole, because JOSM will
> download the last version and that is not the version you want.
There exists an undelete [1] and a reverter [2] plugin for JOSM.
The reverter plugin can also revert parts of a changeset (e.g. deletion
of one relation). You only have to make sure that all former members
still exist.
The undelete plugin is probably the best choice but I have not used it
for quite some time.
Cheers
Colliar
[1] https://wiki.openstreetmap.org/wiki/JOSM/Plugins/Undelete
[2] https://wiki.openstreetmap.org/wiki/JOSM/Plugins/Reverter
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