[Geojson] circles (was: Toward consensus on proposals)

Martin Daly Martin.Daly at cadcorp.com
Mon Nov 7 06:19:08 PST 2011


> Martin, have you been down this road with the OGC? Do circles and
> ellipses actually occur in real world GML? And how do systems deal
> with them?

The only "widely used" GML Application Schema using GM_Arc and GM_Circle (and GM_CubicSpline) that we have come across is the German AFIS-ALKIS-ATKIS "AAA-NAS".

http://www.adv-online.de/icc/extdeu/broker.jsp?uCon=68470b36-de06-8a01-e1f3-351ec0023010

I'm sure there are others that are not in our user community.

As far as how systems deal with this, I imagine that this is entirely system-dependent.

Martin



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