[OSM-talk] Planned revert of added surface and tracktype tags without local knowledge in various countries

Michael Reichert osm-ml at michreichert.de
Sun Jul 19 08:20:15 UTC 2020

Hi Joseph,

Am 18/07/2020 um 21.51 schrieb Joseph Eisenberg:
> Do you have evidence that most of the surface tags added by this user are
> unreliable?

Review results by westnordost
translated with DeepL):
> Here are some bad examples from Hamburg:
> * https://www.openstreetmap.org/way/206273110 is paved according to my aerial photo. grade5?
> * https://www.openstreetmap.org/way/771306038 is railway ballast.
> * https://www.openstreetmap.org/way/682991344 looks like grade2 to me.
> * https://www.openstreetmap.org/way/615485384 looks more like grade3.
> * https://www.openstreetmap.org/way/191452732 is grade one or grade two.
> But other changes are ok.
> But since so much is obviously totally wrong, I'm in favour of a
> revert.

Review results by EinKonstanzer
translated with DeepL):
> Please do not reverse on principle and also no dogmatism of the kind.
> I have picked out random edits from the last 2 months and looked closely at them.
> - He has put in a "tracktype".
> - No position correction, and no other improvements.
> - And he uses the ID editor...
> Norway:
> https://www.openstreetmap.org/way/608668696 - grade3 could be there
> Czech Republic:
> https://www.openstreetmap.org/way/308938930 - with Bing there is nothing to see, grade5 is no added value
> https://www.openstreetmap.org/way/758054333 - with Bing, Esri is absolutely not to be recognized, with Maxar can guess the lower part of the way
> Poland:
> https://www.openstreetmap.org/way/178772018 - Aerial photos are good, but in this case it is clairvoyance to the ground is probably sand.
> Germany:
> https://www.openstreetmap.org/way/207182973 - a track nearby that looks almost identical has a different tracktype. Why?
> https://www.openstreetmap.org/way/102969056 - a track in the forest. Even with the better Esri pictures there is no track to see!
> https://www.openstreetmap.org/way/370198123 - split the track, because sections are definitely different. For one part grade4 might be OK. For the other, grade5 at most.
> https://www.openstreetmap.org/way/134726358 - a big field. In the current aerial photos (Bing, Esri, Maxar) there is no track at all!
> Denmark:
> https://www.openstreetmap.org/way/332757646 - the edge of a big meadow, where a tractor once drove along. No current track, and certainly not grade4
> https://www.openstreetmap.org/way/290360323 - On parts of the pictures a track is partially recognizable, on others there is no/hardly any way. grade5 is no added value there
> https://www.openstreetmap.org/way/826303189 - A large meadow where the tractor has cleared a path. If then grade5 but not grade4
> Turkey:
> https://www.openstreetmap.org/way/203478714 - another track next door that looks like the same or bigger parts is grade3, this grade4. But they could all be grade2 as well...
> https://www.openstreetmap.org/way/294278418 - grade4. In my opinion rather grade2 or grade3. Position correction urgently needed. Well...
> https://www.openstreetmap.org/way/203478238 - See previous
> Conclusion: Revert and he should please stop that.

Mind that Modest7 used Bing imagery despite better imagery is available
in parts of Germany but not used by iD by default.

Best regards


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