[Geojson] Conclusion on Circles/Ellipses

Tim Schaub tschaub at opengeo.org
Tue Nov 8 12:12:42 PST 2011


On Tue, Nov 8, 2011 at 12:55 PM, Martin Daly <Martin.Daly at cadcorp.com> wrote:
>> Radius is better spelled accuracy in my opinion.  Then it could apply
>> to all coordinates.
>
> I know I'm being arsey here, but...
>
> Is "radius" in XY space? What about Z? Does "accuracy" apply to X, Y, Z, M, all, some? Does "accuracy" have the same units for all ordinates? What if "accuracy" is different in value or units for different ordinates, or different at each vertex of a LineString, etc?
>
> I fear that, unlike the geometry model - which is fairly robustly defined, apart from the higher dimensions, arguably - this is in danger of being under-specified and open to interpretation.

Agreed completely (I wasn't promoting radius, just spelling it differently).

>
> So I'm edging towards -1.
>
> Martin
>
>
>
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-- 
Tim Schaub
OpenGeo http://opengeo.org/
Expert service straight from the developers.



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