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I deleted a way and now the relation is broken. I've attempted to figure out how to undelete using but I can't get JOSM editor to open. and I can't download the missing way XML.

I would like to learn how to fix my mistake but I think I would need a hand with those two issue to begin with.

My changeset was 21219686

The overall relation was 207472,v6 Santa Rosa Mtn State Wilderness

I think the way that needs restored is 39297877,v2 but I can not tell for certain because it isn't showing on map and no data show up when I try to open it.

asked 21 Mar '14, 04:34

flockfinder's gravatar image

accept rate: 0%

edited 21 Mar '14, 15:03

aseerel4c26's gravatar image

aseerel4c26 ♦


Hmm, I would like to avoid to half-manually dig/search/browse in the data to find our what and why you did. Do I understand it right that you do not want your full changeset to be reverted? This would be quite easy.

(21 Mar '14, 20:44) aseerel4c26 ♦

Hi aseere....

Well, I'll take your word for it that it would be difficult. so if it would be easiest please revert the whole thing and i shall redraw that portion of road when I get the time.

(21 Mar '14, 21:29) flockfinder

well, okay, thanks for the info. I will have a look... Whyever, having some conflicts. Trying to revert (BCNorwich) and also your subsequent "added track" and "added highway=track" edits before does not create conflicts. Means: Easy (except having spent 30 minutes on this now) to revert all. But I still do not understand what is happening here. Maybe it is too late. I have edited nothing now.

(21 Mar '14, 23:02) aseerel4c26 ♦

note: you can view changesets at - makes them a bit easier to understand (but it is not perfect!).

(22 Mar '14, 00:36) aseerel4c26 ♦

Hi flockfinder, I found the break in the relation ways and have fixed that, looks OK now. That now leaves your other editing intact. If you are happy with your edits then alls well.

It was a case of going round the boundary till you locate the break. With un-delete or reverting there is always the possibility of making things worse, so check the easy way first.

Regards Bernard

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answered 21 Mar '14, 11:24

BCNorwich's gravatar image

accept rate: 20%


BCNorwich, I'm pretty sure what you did was incorrect, sorry. You only added one node, but flockfinder's edit destroyed hundreds of nodes.

Looking at the deep diff for this relation, I see that way 39297918 was originally much longer (many points have been deleted). And way 39297877 (which was replaced by 267586993) was longer than 267586993 is now.

I think I can recover the deleted 39297877 using Potlatch 1. However, I don't know how to revert way 39297918 to its previous version. Does anyone know how to do that?

(21 Mar '14, 14:12) eric22

Thanks Eric22. You are correct. The wilderness boundary was along several miles of road. For some reason, I thought that the relation was simply the road bed as opposed to the wilderness boundary. So my rationale was to draw the road in place of the roadbed. It was only after I deleted did it become apparent that it was the wilderness boundary. I am looking on studiously to learn how the get resolved. Again very sorry.

(21 Mar '14, 14:45) flockfinder

Hi Eric22. I though that was easy. I have reverted my changset 21225493 so its back as it was. Sorry

(21 Mar '14, 15:12) BCNorwich

I just reverted changeset 21219686. Hopefully everything is fine now. See here for more details.

permanent link

answered 24 Mar '14, 21:11

eric22's gravatar image

accept rate: 50%

Just out of interest: Did you get no conflicts (see my comments above)? And: it would have been nice to save the good parts of the changeset, but not easy to understand. Thanks!

(24 Mar '14, 21:15) aseerel4c26 ♦

Thanks Eric22. I was too occupied over the weekend to make much headway. But I was just looking at it again just now. And was very happy to see you note. Thanks again!

(24 Mar '14, 21:16) flockfinder

Unfortunately I closed the window with the output from the revert script. I'm not entirely sure what you mean by conflicts. I do think I remember seeing a message saying that it tried to delete certain points but wasn't able to - unclear to me if this indicates a problem. However, other than that, it seemed to run successfully. And now when I open the relevant area, everything seems to be correct.

(24 Mar '14, 21:24) eric22

"wasn't able to" sounds like this, yes. Conflict means that the data on the server is not in the version which you try to use as the starting point in your edit. See JOSM: conflicts (this is just the description for JOSM, this also happens for all other editing software).

Sadly, really understanding changesets is still hard (at least for me), despite we have such great tools like OSMHV.

(24 Mar '14, 22:02) aseerel4c26 ♦

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question asked: 21 Mar '14, 04:34

question was seen: 3,930 times

last updated: 24 Mar '14, 22:02

NOTICE: is no longer in use from 1st March 2024. Please use the OpenStreetMap Community Forum