[Geojson] Ellipse spec
Richard L. Barnes
rbarnes at bbn.com
Tue Jul 19 14:23:00 PDT 2011
That's my fault.
That document was a straw man proposal for how to integrate RFC 5139 shapes into GeoJSON:
<http://tools.ietf.org/html/rfc5139>
IIRC, at the time I sent that out, there wasn't much interest in the more general shapes. But I would be glad to resurrect the discussion if there's interest; I still think it's worthwhile!
Best,
--Richard
On Jul 19, 2011, at 5:00 PM, andy e wrote:
> I found an early (fake?) draft of GeoJSON that included an ellipse shape: http://geopriv.dreamhosters.com/geojson/geojson-spec.html (in addition to circle/sphere/etc)
>
> Was there any discussion on why this was pulled? Couldn't seem to find any by searching the list.
>
> I guess that's not even that important, but we do have a use case for storing and specifying ellipses. We're using MongoDB to store data and wanted to store it in GeoJSON, but we obviously don't want to break the spec, either.
>
> Our first thought is to just use the properties and a Point to indicate an ellipse:
> i.e.
> { "type": "Feature",
> "geometry": {"type": "Point", "coordinates": [102.0, 0.5]},
> "properties": {"major": "1.0", "minor":"0.5", "rotation":"45"}
> }
>
>
>
> Thoughts on that approach? Any thoughts on re-implementing ellipse/circle back in the spec?
>
> Is the spec fairly frozen at this point (it appears that way, but I'm ignoramus as to those sorts of things)
>
> Thanks!
>
> Andy
>
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