[talk-au] Problems setting up MapRoulette Challenge

Adam Horan ahoran at gmail.com
Thu Jul 29 01:33:36 UTC 2021

There's a discoverable slider in the Project
https://maproulette.org/browse/projects/3119 and also each challenge has a
discoverable setting. In the challenge list this is an eye symbol which is
either open or has a line through it.

Are there tasks listed in the challenge?

On Thu, 29 Jul 2021 at 11:04, Graeme Fitzpatrick <graemefitz1 at gmail.com>

> Rather than highjack Adam's thread any longer, tiem to set-up my own to
> try & work out what I'm doing wrong?
> Thanks everybody for input & suggestions!
> I've noticed quite a few buildings tagged as "building:levels=0", which is
> obviously wrong as it means they don't even have a ground floor! (& I know
> that I'm responsible for some of them as I was confused about them as well,
> probably over levels v layers?
> So, when I do an OT search it brings back results eg
> https://overpass-turbo.eu/s/19Pt, which apparently shows 13 buildings in
> & around Perth with 0 levels.
> I've then tried to set up a Roulette challenge to check these, but can't
> get it to work? https://maproulette.org/admin/project/3119/challenge/20253
> but you may not be able to see it as it says "Not Discoverable", despite
> "Discoverable" being set to Yes?
> Data source is:
> //State
>     area[admin_level=4]["name"="Western
> Australia"][boundary=administrative]->.a;
>     way(area.a) [building]
> ["building=yes"]
> ["levels=0"];
>     out ids geom ;
> but that (usually) runs through "Task Building" then brings up "No Tasks",
> which, to me, means it can't find any buildings with level=0 in WA?
> I'm guessing I've specified the search parameters wrong, so any advice
> will be more than welcome!
> Thanks
> Graeme
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