[OSM-talk] Proposed mechanical edit - elimination of osmarender:nameDirection - blatant tagging for the renderer

Simon Poole simon at poole.ch
Sat Mar 23 08:59:40 UTC 2019

Am 17.03.2019 um 22:09 schrieb Dave F:
> Mateusz
> There's also a few osmarender:renderName in the UK. Maybe check
> osmarender:* to collate all?
> Simon
> Never comprehended the reluctance to remove dead items. Does stepping
> the version /really/ cause any harm?
> Contributors, especially newbies, often copy tags from existing
> examples with redundant tags often propagating as result.

Nobody is advocating -not- removing such tags, just opposing edits just
for that.

While there's a certain amount of unnecessary database bloat caused by
creating a new version, the real objection is that these tags tend to
survive in areas with low maintenance, aka low amounts of gardening.
Producing false updates (aka no real content) just obscures that fact
and makes it more difficult to determine which areas need to be revisted.

Naturally this applies not just to tag removal for the sake of tag
removal, it applies to all nonsense updates (adding default values to
objects and similar that is so popular now days).


> We allow everybody to add data (which I agree with), but there's an
> increasing resistance to anybody suggesting tag removal.
The other way around you mean.


> If it improves database quality, then go for it.
> DaveF
> On 15/03/2019 20:13, Simon Poole wrote:
>> Why would we want to create new versions of objects just to remove a tag
>> that is not hurting anybody in any way?
>> The correct way to handle this is to add the tag to the list of
>> deprecated tags that should be automatically removed (essentially iD has
>> a list and JOSM has one too), when and if the objects are ever edited
>> the tags will then be removed.
>> Simon
>> Am 15.03.2019 um 20:16 schrieb Mateusz Konieczny:
>>> osmarender:nameDirection=* is an old tag that is case of tagging for
>>> the renderer.
>>> Additionally, Osmarender is defunct anyway.
>>> I propose to purge this tag from database as useless, confusing and
>>> encouraging
>>> tagging for renderer.
>>> This edit would remove about 2000 osmarender:nameDirection=* tags
>>> worldwide,
>>> with most of them in Germany and England.
>>> osmarender:nameDirection is described on OSM Wiki as
>>> "By default Osmarender will draw street names left-to-right along ways.
>>> It uses the longitude (horizontal position) of the start and end
>>> points of the
>>> way to determine the direction.
>>> In some cases, for example, very winding roads, the automatically chosen
>>> name direction is not ideal. In this case the way can be tagged with
>>> osmarender:nameDirection=-1 or osmarender:nameDirection=1 as a
>>> hint to tell Osmarender which way to draw the name. "
>>> Automated edit page:
>>> https://wiki.openstreetmap.org/wiki/Mechanical_Edits/Mateusz_Konieczny_-_bot_account/elimination_of_osmarender:nameDirection_-_blatant_tagging_for_the_renderer
>>> _______________________________________________
>>> talk mailing list
>>> talk at openstreetmap.org
>>> https://lists.openstreetmap.org/listinfo/talk
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