[postgis-devel] ST_CircularString and circle definition

[Paul Ramsey]

The code is rife with handling for the closed loop case, so we certainly support it. I have to admit, I didn't read any of the SQL/MM docs in my work, I just started with what was there, which did include some acknowledgement of that case. 

P 

-- 
Paul Ramsey
http://cleverelephant.ca
http://postgis.net


On Wednesday, October 9, 2013 at 2:42 AM, Mateusz Loskot wrote:

> On 9 October 2013 10:27, Sandro Santilli <strk at keybit.net (mailto:strk at keybit.net)> wrote:
> > Mateusz, beside reading the book, have you tried the actual code ?
> 
> 
> 
> No, I haven't and I rely solely on the documentation(s) here.
> 
> > I suggest you make some tests and file tickets if appropriate
> > (there might be some already, about curves).
> 
> 
> 
> Tests without background about implementation decisions may be misleading here.
> Before I file a ticket, I need to know if the implementation vs spec difference
> is an intentional feature, and why.
> 
> It is curious why both, PostGIS and SQL Server, implement (document)
> different definition of circle.
> It makes me wonder if the spec may actually change to accommodate
> issues (unknown to me) revealed by the implementations.
> The only SQL/MM documents I have access to are working drafts.
> 
> Best regards,
> -- 
> Mateusz Loskot, http://mateusz.loskot.net
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