[OSM-talk] How to save Overpass query results to a GeoJSON file with Python?

Dave F davefoxfac63 at btinternet.com
Mon Mar 11 17:34:23 UTC 2019


Unsure, but would OSMtoGeojson be of use?
https://github.com/tyrasd/osmtogeojson

DaveF

On 11/03/2019 10:18, Carlos Cámara Menoyo via talk wrote:
> Dear colleagues,
>
> I have just started to use Python and I would like to make a query to Overpass and store the results in a geospatial format (e.g. GeoJSON) so I can programatically update the data.
>
> As far as I know, there is a library called overpy that should be what I am looking for. After reading [its documentation](https://python-overpy.readthedocs.io/en/latest/example.html) I came up with the following code:
>
> import
>
> overpy
>
> API
>
> =
>
> overpy
>
> .
>
> Overpass
>
> ()
>
> # Fetch highways within Granollers' city.
>
> result
>
> =
>
> API
>
> .
>
> query
>
> (
>
> """
>      area[name="Granollers"][admin_level=8];
>      // query part for: “highway=*”
>      (way["highway"](area);
>      relation["highway"](area);
>      );
>      // print results
>      out body;
>      """
>
> )
>
> The thing is that I am not familiar at all with Python and I don't know how to store result as a GeoJSON file (Honestly, I don't even know what kind of thing result is -I tried with type(result) and I get overpy.Result as an output, which doesn't mean much to my poor knowledge). I have been reading overpy documentation but I haven't been able to figure it out.
>
> Can anyone give me a clue with this?
>
> Carlos Cámara-Menoyo
> https://carloscamara.es
>
>
> _______________________________________________
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> talk at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/talk

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