Salut Pierre Thanks - But this doesn't parse (see below). I'm getting: Error: line 4: static error: Element "print" cannot be subelement of element "union".
-- Stefan [out:json] [timeout:25] ; ( node["shop"~"dairy"] (45.70234306798271,5.8831787109375,47.864773955792245,10.590820312499998); way["shop"~"dairy"] (45.70234306798271,5.8831787109375,47.864773955792245,10.590820312499998); out meta center; ); >; out meta qt; 2014-07-24 15:20 GMT+02:00 Pierre Béland <pierz...@yahoo.fr>: > Stefan, > > In your request, you make a recursive query that loads nodes from the way. > In this example, the node and way queries are independant. For the way, the > center command is used. > > [out:json] > [timeout:25] > > ; > > node["shop"~"dairy"] > (45.70234306798271,5.8831787109375,47.864773955792245,10.590820312499998); > out meta; > > way["shop"~"dairy"] > (45.70234306798271,5.8831787109375,47.864773955792245,10.590820312499998); > out meta center qt; > > Pierre > > ________________________________ > De : Stefan Keller <sfkel...@gmail.com> > À : Talk Openstreetmap <talk@openstreetmap.org> > Cc : Roland Olbricht <roland.olbri...@gmx.de> > Envoyé le : Jeudi 24 juillet 2014 8h19 > Objet : [OSM-talk] Overpass API / Overpass QL: center (and centroid) > function? > > Hi, > > I'm trying to get a list of point features only (as GeoJSON or XML). > This could serve as input e.g. to uMap. The problem is that the query > returns points but also areas. This is actually correct - but I want > these areas converted to point geometries too (centered, like > ST_Centroid). > > I then found the modifcator/keyword "center" in the Overpass QL [1]. > But I still get polygons. See the query [2] below. > > Any ideas? > > --Stefan > > > [1] http://wiki.openstreetmap.org/wiki/Overpass_API/Overpass_QL > > [2] http://overpass-turbo.osm.ch/ oder http://overpass-turbo.eu/ > > *** Dairy (Käserei) Query ways/areas only... *** > > [out:json] > [timeout:25] > ; > ( > node["shop"~"dairy"] > (45.70234306798271,5.8831787109375,47.864773955792245,10.590820312499998); > way["shop"~"dairy"] > (45.70234306798271,5.8831787109375,47.864773955792245,10.590820312499998); > ); > out meta center qt; >>; > out meta center qt; > > _______________________________________________ > talk mailing list > talk@openstreetmap.org > https://lists.openstreetmap.org/listinfo/talk > > _______________________________________________ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk
