[HOT] building=yes both on the way and on the nodes

[john whelan]

Thanks your emails came in fine.  Sounds like yahoo.fr and Google spam
filters are now aligned.

Cheerio John

On Sun, 8 Jul 2018, 4:22 pm Pierre Béland, <pierzenh at yahoo.fr> wrote:

> It seems that you have not received my previous answer to John on this
> list where I provided a solution to query a bbox from Overpass.
> See http://overpass-turbo.eu/s/A9c
>
> A more generic solution where it shows child nodes of a building with any
> key except source.
> In this example around Freetown, it even picks a power line connected to a
> building where also the node has keys. We also see what seems to be field
> work for the Ebola outbreak in 2015 by MSF and Red Cross where keys such as
> name are added to child node of a building.
>
> http://overpass-turbo.eu/s/A9E
>
> overpass turbo
>
> <http://overpass-turbo.eu/s/A9E>
>
>
> content
> /* --> osm keys (except source) on buidings child nodes */
> [out:xml][timeout:60];
>
> way({{bbox}})["building"]->.b;
> node(w.b)[!"source"](if:count_tags()>0);
> out meta;<; out meta;
> >; out meta;
>
>
> Pierre
>
>
> Le dimanche 8 juillet 2018 15 h 23 min 48 s HAE, john whelan <
> jwhelan0112 at gmail.com> a écrit :
>
>
> I suspect its more general than just Chad since its more than one mapper.
> At 2,657 in Chad I'd say that's liveable with unless some kind soul could
> zap them.  I very much doubt there is a valid reason for their existence.
>
> Cheerio John
>
> On 8 July 2018 at 15:12, Jean-Marc Liotier <jm at liotier.org> wrote:
>
> On Sun, July 8, 2018 4:09 pm, john whelan wrote:
> > I'm seeing a fair number of these especially in CHAD.  Could someone do
> an
> > overpass or whatever to see how big a problem it is?
>
> I loaded the following query into JOSM:
>
> [out:xml];
> {{geocodeArea:chad}}->. searchArea;
> (
>   way["building"="yes"](area. searchArea);
> );
> (._;>;);
> out meta;
>
> I ran the validator... "Nodes duplicating parent way tags" numbered 2657
> and they were all building=yes
>
> Committed: https://www.openstreetmap.org/ changeset/60516490
> <https://www.openstreetmap.org/changeset/60516490>
>
> The changeset covers only a region around N'Djaména - I don't know if it
> is because no buildings in Chad exist outside of this are or if my query
> applied to the bounding box rather than to the geocodeArea I intended.
>
>
> _______________________________________________
> HOT mailing list
> HOT at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/hot
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/hot/attachments/20180708/d3d8edcf/attachment.html>