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Changeset When Comment
60215392 over 6 years ago

These are the changesets with deletions that I've found. This is surely not a complete list, the method was simply to look at orphaned nodes (nodes not part of any way) in overpass-turbo with this query:

[bbox:{{bbox}}];
way; > -> .w;
( node(if:count_tags()==0); - node.w; );
out meta;

The list with changeset, username, what was (partly) deleted, is it fixed?:

changeset/46006098 @LiJuThomas unclassified road
changeset/52751876 @Arathy Nair primary road, fixed
changeset/52979769 @Arathy Nair seconary road, fixed
changeset/53030451 @Favas007 unclassified road (that was untagged previously)
changeset/54620691 @Tueny unclassified road
changeset/54642445 @Tueny tertiary road, fixed
changeset/54781978 @Favas007 primary road, fixed
changeset/54928175 @Greeshmag tertiary road, fixed
changeset/56375544 @Greeshmag unclassified road (deletion partly justified)
changeset/56628094 @Greeshmag tertiary road, fixed
changeset/56715645 @Tueny tertiary road
changeset/56719290 @Tueny secondary road
changeset/56720453 @Tueny secondary road
changeset/56776873 @Tueny tertiary road, fixed
changeset/56932865 @DivyaVijayan unclassified road
changeset/57138127 @Greeshmag National Highway, fixed
changeset/57169642 @Tueny National Highway, fixed
changeset/57465330 @PramodKumar3901 secondary road, added another. The new road is not visible in the available imagery, not in Sentinel-2 either
changeset/57621673 @Greeshmag tertiary road
changeset/57959361 @Favas007 primary road, fixed, but needs name re-added
changeset/58948119 @Halloween123 unclassified roads way/172671882, way/172671490
changeset/59364661 @Favas007 secondary road
changeset/59799670 @Favas007 tertiary road way/100060839
changeset/59966228 @Halloween123 tertiary road
changeset/59973413 @Favas007 unclassified road
changeset/60215392 @Halloween123 primary road, fixed
changeset/60407515 @Halloween123 National Highway, fixed
changeset/60407515 @Halloween123 National Highway, fixed
changeset/60424240 @Halloween123 tertiary road
changeset/60426277 @Halloween123 tertiary road
changeset/60791418 @Favas007 primary road, fixed
changeset/60982705 @Halloween123 secondary road
changeset/61042893 @Halloween123 tertiary road, fixed (commented here changeset/61047566)
changeset/61216655 @Halloween123 primary road, fixed
changeset/61249824 @Halloween123 secondary road
changeset/61624996 @Halloween123 tertiary road
changeset/62577109 @Greeshmag secondary road way/548251025
changeset/62579785 @Greeshmag unclassified road
changeset/62653597 @Greeshmag primary road
changeset/62654870 @Greeshmag primary road
changeset/62721199 @Greeshmag primary road
changeset/62724864 @Greeshmag primary road
changeset/62759718 @Greeshmag unclassified road (geometry)
changeset/63191852 @Greeshmag primary road
changeset/63195286 @Greeshmag tertiary road
changeset/63531134 @mottiger river Indrayani way/307751855
changeset/63608351 @Greeshmag tertiary road way/234863273
changeset/64435655 @Greeshmag tertiary road (geometry)
changeset/64438718 @Favas007 tertiary road
changeset/64468432 @Favas007 unclassified road way/454453506
changeset/64468469 @Favas007 tertiary road
changeset/64469843 @Favas007 primary road (geometry)
changeset/64646171 @Favas007 primary road, fixed
changeset/64683507 @Favas007 National Highway, fixed
changeset/64920394 @Greeshmag secondary road
changeset/65235746 @Greeshmag tertiary road
changeset/65775490 @Greeshmag secondary road way/136316001
changeset/65775988 @Greeshmag National Highway, fixed
changeset/65831806 @Greeshmag secondary road
changeset/65835703 @Greeshmag secondary road, commented here changeset/65835754
changeset/66150424 @Greeshmag primary road
changeset/66150424 @Greeshmag primary, secondary and tertiary road; first 2 ok now, tertiary road needs fixing
changeset/66215558 @Greeshmag secondary road
changeset/67610579 @Greeshmag two residential roads
changeset/67616153 @Greeshmag two residential roads
changeset/68661521 @VarshaVV part of canal
changeset/68664219 @VarshaVV tertiary road
changeset/68665342 @VarshaVV National Highway

60215392 over 6 years ago

I've since found about 70 deletions showing this pattern (part of a way is deleted, the way history is on the remaining part, the nodes are not deleted). 19 of those are already fixed, the rest needs to be fixed.

Almost all of them seem to be by paid mappers who import gps traces of delivery trucks or such into osm. My hypothesis is they are using a common tool that sometimes cuts ways off. But I'm open for other explanations. I've commented on one changeset by a mapper who doesn't seem to be in the business of importing gps traces (@mottiger changeset/63531134). It could be a bug in JOSM. Maybe they remember how they did it.

63531134 over 6 years ago

Hello mottiger!
In this changeset you deleted part of the river Indrayani way/307751855. Was this intentional? I'm curious because this deletion shows the same pattern as quite a lot of similar deletions of parts of roads in India (for example the one commented on here changeset/65775988): the way is split, the history is on the remaining part of the way and the nodes of the deleted part of the way are not deleted. Do you remember how you did this?

61047566 over 6 years ago

Actually, the deletion happened here: changeset/61042893

65835754 over 6 years ago

The deletion happened actually here: changeset/65835703

66150424 over 6 years ago

This changeset damaged three roads at the top of the bounding box.

65775988 over 6 years ago

Hm, ok, I'm using JOSM too. I've explained here changeset/60215392 why I think it's very hard to produce an error like this intentionally or accidentally with a standard install of JOSM. So you're saying you use nothing but JOSM?

In this changeset changeset/66150424 you managed to cut pieces off of three roads accidentally (one secondary, one primary, one tertiary, the first two have been fixed the last one not)?

To me it seems more like the work of some kind of tool that applies a bounding box which bugs out sometimes. I'd really like to get to the bottom of this because the more I look into this the more instances of this kind of error I find (you're not the only user that produced deletions like this) and I don't think it's a bug in JOSM. If it's the latter it would be very useful to file a bug report.

65775988 over 6 years ago

Thanks. What's for workflow? Are you using any non-standard tools?

61047566 over 6 years ago

I've restored the road. See also similar deletion in changeset/60215392

60215392 over 6 years ago

Since the user seems to be no longer active, I've restored the road.

However, there seems to be a systematic problem here. With a default install of JOSM it is quite hard to replicate the behaviour that leads to a deletion of a road in this way. You'd first have to split the way, but in this case so that the shorter part retains the history (needs to be done explicitly). Then you'd need to select the other part, but unselect the nodes first (because those were still there), and only then hit delete.

Hence I believe this is not how it was done. My guess is there exists a buggy piece of software that is used by some editors. This needs to be investigated as I've come across a number of similar deletions, done as recently as 5 days ago (see changeset/68665342).

65775988 over 6 years ago

Hi! You deleted part of a National Highway here. Why?

68665342 over 6 years ago

Hey, you deleted part of a National Highway here! Why?

45301830 over 6 years ago

Hello,
Are you sure node/4618648498 is Kishorepur? According to US-Army map nh-43-16a which I'm using for the village names, it should be Dhatir village and Kishorpur is the village 4 km to the south-west (node/6372186682).

60407615 almost 7 years ago

Hello Halloween123!
You deleted a part of a road here (way/378332907). I've restored it now. Do you use any scripts or add-ons so that can happen by accident? I only know that I would have to go out of my way to delete a random part of a road like this: first split it, confirm which part should retain the history, then select one part, then unselect the nodes (because the nodes were still there) and then hit delete.

65780919 almost 7 years ago

?

64686030 almost 7 years ago

I restored the ways.

57793703 almost 7 years ago

This changeset deleted part of way/278326392. Please revert!

56628094 almost 7 years ago

This changeset deleted part of way
278326393. Please revert!

65887464 almost 7 years ago

Hello,
Thanks for contributing to the map! I've added some tags ('office'='it' and 'name'='Hari Om Multimedia Services') because I suppose that is what you meant to do. You can look up how to tag things in the OSM-Wiki, in this case: office=* Have a nice day and happy new year!

64686030 almost 7 years ago

Hi,
you deleted a road and a river there. See https://overpass-api.de/achavi/?changeset=64686030
Was this a mistake?