Anyone has a tool to fix this kind of way?

Posted by pieleric on 16 May 2013 in English (English)

There are quite a few ways in the database which are passing by several times the same point. Such an example:

There are lot of those in this area, but I've such seen a ways a bit everywhere in the map. It seems like it's pretty easy to do with Potlatch, and really hard to fix :-/

Anyway, is there a tool to fix such a way? Or maybe someone has a tip on how to fix them easily?

Location: CanAm Highway, Weyburn, Saskatchewan, Canada

Comment from zors1843 on 16 May 2013 at 12:32

And in the example also : layer=-5 ;-) I used to fix it in Potlatch. Mostly however I delete and remap it. If you try to solve it in Potlatch you end up with a lot of double ways, and it's hard to see that.

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Comment from Hjart on 16 May 2013 at 12:43

That's some really ugly stuff. By far the easiest thing to do is to delete and remap. I rarely use Potlatch, but even in JOSM fixing self-crossing roads like these tends to be really cumbersome.

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Comment from Kachkaev on 16 May 2013 at 12:43

Try splitting the way in JOSM:

Just select the road and the node at the T-intersection and press P. The bottom branch will separate and become a circular way. Now you’ll need to select both ends of this line, press P again and then delete one of the obtained overlapping ways.

Deleting the entire objects is something one should avoid. Apart from loosing their history there is a chance of breaking some urls. For instance, a number of Flickr images are tagged as osm:node=123 or osm:way=123, which links them directly to objects on the map.

Hope it helps!

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Comment from Kachkaev on 16 May 2013 at 12:50

There are many other thins to fix in your area, e.g. missing or detached nodes at the intersections or duplicate road segments:

Good luck!

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Comment from aseerel4c26 on 16 May 2013 at 14:26

The bot Wall·E fixes duplicated nodes in ways fully automatically (at least since 23th April 2013) in Germany and Austria, currently.

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Comment from malenki on 17 May 2013 at 15:57

I would draw a new way, mark both new and messed up way and use "replace geometry" on this selection. Should be the easiest way to fix such a thing and keep the history, too.

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Comment from Sundance on 21 May 2013 at 04:17

I've been trying to fix up some of this mess, but there is a lot of it in Saskatchewan ... sigh

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