[postgis-devel] WKT and Wikipedia

Martin Davis mbdavis at refractions.net
Fri Jun 27 15:37:45 PDT 2008


Actually the latest SFS 1.2 spec does include a spec for 2D measured, 3D 
& 3D measured WKT.  See here:

http://www.opengeospatial.org/standards/sfa

(This is also referenced on the wiki page)



Kevin Neufeld wrote:
> I just came across this page:
> http://en.wikipedia.org/wiki/Well-known_text
>
> I think this page is incorrect, misleading, and contains typos.  It is 
> my understanding that the OGC specs on WKT does *not* include 3D and 
> 4D definitions.  It is a PostGIS extension to use Z, M, or ZM. Or am I 
> off on this?
> (http://portal.opengeospatial.org/files/?artifact_id=829) (section 
> 3.2.5.2)
>
> I don't have an account to correct this.  Does any here have one?  Do 
> we care?
>
> Should the new PostGIS docs reference such pages, or point to only the 
> OGC specs?
>
> -- Kevin
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-- 
Martin Davis
Senior Technical Architect
Refractions Research, Inc.
(250) 383-3022




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