[postgis-devel] Should EMPTY be spatially equal to self ?

[Sandro Santilli]

On Tue, Jan 17, 2012 at 04:32:23AM -0500, Paragon Corporation wrote:
> Wikipedia is our friend :)
> 
> http://en.wikipedia.org/wiki/DE-9IM

I would like to point out that the source for the section about
"spatial predicates that can be derived from the DE-9IM" is
the JTS documentation:

http://en.wikipedia.org/wiki/DE-9IM#cite_note-2

--strk;

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