[GeoJSON] Status of empty geometry

[Sean Gillies]

Hi Mateusz,

No, there are no typed empties as in WKT.

POINT(EMPTY), GEOMETRYCOLLECTION(POINT(EMPTY), POINT(EMPTY)), etc are all
represented in GeoJSON as {"geometry": null}.


On Tue, Oct 1, 2013 at 7:18 AM, Mateusz Loskot <mateusz at loskot.net> wrote:

> On 1 October 2013 13:51, Tom MacWright <tom at macwright.org> wrote:
> > Hey Mateusz,
> >
> > I always assumed that the provision for null geometries covered this:
> >
> >> A feature object must have a member with the name "geometry". The value
> of
> >> the geometry member is a geometry object as defined above or a JSON null
> >> value.
> >
> > http://geojson.org/geojson-spec.html#feature-objects
>
> Tom,
>
> I owe a clarification. I'm concerned about emptiness of individual
> geometry objects,
> standalone and part of multi geometries.
>
> IOW, is there an equivalent to EMPTY from OGC WKT?
>
> Best regards,
> --
> Mateusz  Loskot, http://mateusz.loskot.net
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>



-- 
Sean Gillies
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