getting fancy results while running a overpass-api code: circles on the map

Question

if i run this following code - in http://overpass-turbo.eu/ i have interesting results in the map -

some circles are shown

<!-- This query looks for nodes, ways and relations  with the given key. Choose your region and hit the Run button above!
--> <osm-script output="json" timeout="25">   <!-- gather results
-->   <union>
    <!-- query part for: “school=*” -->
    <query type="node">
      <has-kv k="school"/>
      <bbox-query s="-57.13623931917743" w="-82.6171875" n="15.114552871944102" e="-33.57421875"/>
    </query>
    <query type="way">
      <has-kv k="school"/>
      <bbox-query s="-57.13623931917743" w="-82.6171875" n="15.114552871944102" e="-33.57421875"/>
    </query>
    <query type="relation">
      <has-kv k="school"/>
      <bbox-query s="-57.13623931917743" w="-82.6171875" n="15.114552871944102" e="-33.57421875"/>
    </query>   </union>   <!-- print results -->   <print mode="body"/>   <recurse type="down"/>   <print mode="skeleton" order="quadtile"/> </osm-script>

see the circles -

what are these circles good for. i love to hear from you

greetings

Answer 1

As mentioned in this previous question, see our wiki page about it, specifically the "Map key" section of that page which explains what the different circle colours mean.

Below this picture

Overpass turbo symbols as displayed in wiki page

is a description that says what they mean:

objects:
    (1,2) POIs (nodes with tags) are shown as circles with a yellow filling and a thin blue outline,
    (2,3,4) ways as bold blue lines and
    (5,6,7) areas as yellow polygons with a thin blue outline.
(2,5,8) Pink lines and outlines mean that an object is part of at least one relation.
(4,7) Dashed lines mean that a line or area has an incomplete geometry (most likely because some of its nodes have not been loaded).
(9) Circles with a red filling represent ways or polygons that are too small to be displayed normally (to switch this off and show the small feature instead: Settings → Map → "Don't display small features as POIs.").

Answer 2

1	and on the left there is en export button. you'll see that there are kml, geojson, etc. permanent link answered 22 Sep '14, 04:23 escada 19.0k●16●166●302 accept rate: 21%

getting fancy results while running a overpass-api code: circles on the map

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