[OSM-talk] [Talk-us] Fwd: Re: Beware Pokemon users

Jo winfixit at gmail.com
Wed Dec 28 13:09:31 UTC 2016

As long as we eat our own dog food, we should be able to locate these
problems, albeit not in a timely enough fashion.

If those new users get it wrong, help them like you would any other new
user. Keeping in mind they have: decent smartphones with GPS, heaps of time
to spend either on PoGo or possibly on something more worthwhile like OSM.
Tell them about Mapillary and OpenStreetCam. I know the game doesn't like
to "share" the phone, but some people manage to kick their addiction (and
hopefully swap it for a more  useful one :-) )


2016-12-28 9:20 GMT+01:00 David Kewley <david.t.kewley at gmail.com>:

> I've so far simply been using a basic query like
> highway=footway and newer:"2016-12-22:00:00:00"
> This still requires a lot of manual review, of course. Too much to do in
> great detail over large areas. I'm sure I'm missing things, but results of
> this query has identified PoGo mapping problems, scattered among many
> legitimate-looking edits.
> There are other things to look for besides footways; this may give hints:
> https://www.reddit.com/r/TheSilphRoad/search?q=overpass&restrict_sr=on
> If someone comes up with a more sophisticated query, or a query that helps
> hone in more sharply on PoGo mapping problems, let us know.
> David
> On Tue, Dec 27, 2016 at 10:30 AM, Rihards <richlv at nakts.net> wrote:
>> On 2016.12.27. 10:15, David Kewley wrote:
>> > I thought this might be a big problem at first, but now I think it's
>> > probably a net good thing.
>> >
>> > In Southern California, I saw about 40 users join in the first 24-48
>> > hours after the video was posted (Dec 22), who immediately started
>> > mapping footways and similar. A few were bad, most improved the map
>> > incrementally, if not with great skill, completeness, or accuracy. The
>> > rate of new people joining and adding footways and similar has gone way
>> > down since the first 24 hours.
>> >
>> > I just now used Overpass-Turbo to check for new footways in the past ~2
>> > days in all the western U.S. (to just west of San Antonio, not including
>> > Alaska and Hawaii), zoomed in briefly on each locality in turn, and
>> > found with this quick ad hoc eyeball survey only two users who were
>> > obviously gaming OSM for Pokemon Go in an unhelpful way. I'll address
>> > them or send them to DWG. All the others looked reasonable upon a first
>> > pass, although I might have missed a few. Some I didn't see may already
>> > have been cleaned up, of course.
>> >
>> > So the potential problem is big, but I think the actual problem is not
>> > too big, and can probably be contained with our current level of effort.
>> > Meanwhile there are tons of incremental additions that are probably net
>> > improvements to the map, and a few of these folks will continue to
>> > improve the map over time. I've already seen a few of these new users
>> > branch out into non-Pokemon-related improvements. Plus it gives OSM
>> > wider awareness.
>> >
>> > One other thing to look out for, which most people are doing well, but a
>> > few are doing inappropriately, is changing school grounds from
>> > amenity=school to =college or =university.
>> > See https://www.reddit.com/r/TheSilphRoad/comments/5jv1c4/i_
>> think_i_figured_out_why_pokemon_never_spawned/.
>> > I had to change one secondary school back to =school after an apparent
>> > Pokemon user changed it to =college. I also changed one community
>> > college from =school to =college when I noticed it was mistagged while
>> > looking at new footways drawn there. Hope it helps them have fun with
>> > their game. :)
>> >
>> > I've also seen fake parks, piers, lakes, and similar area objects get
>> > added in an apparent attempt to help Pokemon. Footways may be the most
>> > common manifestation of this wave of activity, but not the only one.
>> could you please share the overpass query you used ? i'd like to review
>> such additions around here as well.
>> i am following the edits of new users, and so far contributions of 2 or
>> 3 have been worthy a revert.
>> it would be also useful to have a list of tags/changes the pokemon go
>> players make. footways are the most obvious, but i've also seen
>> (incorrect_ recreational_grounds added. several users have also changed
>> existing residentials, pedestrian streets and tracks to footways -
>> incorrectly in all the cases.
>> > Fun fact: On 12/22 I actually stumbled across a deletion of the footway
>> > added in the video, before I was aware of the existence of the video and
>> > the Pokemon-related editing. That issue is since resolved. The
>> > videographer is pretty local to me, and in the video he hikes in hills I
>> > know. A brush with a weird kind of notoriety, I guess.
>> >
>> > David
>> ...
>> --
>>  Rihards
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