[postgis-devel] simplify creating invalid geometries

[strk at refractions.net]

Simplify() is not implemented using GEOS, so
no behavioural change was expected.

--strk;

On Thu, Mar 30, 2006 at 11:49:13AM +0200, Markus Schaber wrote:
> Hi,
> 
> It seems that simplify still creates invalid geometries.
> 
> -> psql -f invalid.sql navteq
> CREATE TABLE
> psql:invalid.sql:5: NOTICE:  Self-intersection
>  isvalid | isvalid
> ---------+---------
>  t       | f
> (1 row)
> 
> I'm using:
> 
> POSTGIS="1.1.1CVS" GEOS="2.1.4" PROJ="Rel. 4.4.9, 29 Oct 2004" USE_STATS
> 
> AFAICS, this is fixed in JTS 1.7, the attached java test program returns
> "true true".
> 
> Thanks,
> Markus
> 
> 



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