[Tagging] Map maintenance with StreetComplete - Preferred tagging

MARLIN LUKE luke.marlin at viacesi.fr
Wed Jul 29 10:34:51 UTC 2020

Due to some concerns expressed in here (bloatness, discrepancies), I've been wondering...
Wouldn't it be enough to ask randomly about some properties to be checked?

For example, let's say I'm using SC to do some mapping, and from a 100 quests, I get whatever proportions of maintenance quests selected randomly.
While this wouldn't provide information that I did check to OSM database (if data is accurate), it still ensures that the DB is correct.

As someone stated, with a proper number of users, the concepts of having a last date of check might be obsolete, so having people do random checks (could still be prioritized based on actual element) on top of filling new stuff might be enough in the long run.
De : ael <witwall3 at disroot.org>
Envoyé : dimanche 26 juillet 2020 23:56
À : tagging at openstreetmap.org <tagging at openstreetmap.org>
Objet : Re: [Tagging] Map maintenance with StreetComplete - Preferred tagging

On Sun, Jul 26, 2020 at 10:03:17PM +0100, Cj Malone wrote:
> On Sat, 2020-07-25 at 16:42 +0200, Tobias Zwick wrote:
> >
> > So in a nutshell, the topic of how to find things based on old
> > sources is also very relevant for remote mappers.
> Technically there is survey:date and source:date that may be on the
> object, or (preferred now?) the changeset. So a quality assurance tool

Adding such source tags to a changeset seldom makes sense.
Most of my changesets are a mixture of local knowledge, surveys, gps,
photographic and video. I even occasionally use satellite imagery...
So the source data needs to be fine grained on the elements themselves.

Furthermore, when updating an element, I can see any source tags right
there. I am not normally going to all the faff of looking up the
history, finding the changesets and consulting those except for unusual

Of course, changesets need to have some overall source infomation, but
that is necessarily coarse except for small cahnges perhaps.


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