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From Wail Alkowaileet <>
Subject Re: Will it go 'round in circles?
Date Fri, 07 Aug 2015 16:48:19 GMT
Hey Chris,

It's actually mapped (or the other way around) to JTS shapes (
But as suggested by Mike, ArcGIS seems to support Circle (

On Fri, Aug 7, 2015 at 6:23 AM, Chris Hillery <> wrote:

> (I'm pulling this bit of conversation out from the JSON discussion so it
> doesn't get overlooked - it has nothing to do with JSON, but with ADM
> primitive types.)
> I've noticed that several geospatial serialization formats (at least
> "well-known text" and GeoJSON) omit "circle" from their list of basic
> geometric forms, even when they have numerous more complex types such as
> multi-curves. This led me to here:
> which offers a reasonably compelling argument for why "circle" is not a
> reasonable shape to discuss in geospatial contexts (loosely, because
> there's no consistent way to map that to a spherical coordinate system).
> Does this mean that perhaps ADM shouldn't *have* a "circle" primitive type?
> I assume that the ADM spatial types are intended for geospatial work, and
> if the consensus of the smart people is that "circle" doesn't fit in that
> world, perhaps we shouldn't include it either?
> Ceej
> aka Chris Hillery


Wail Alkowaileet

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