[postgis] Re: JTS 0.9 has been released

Hisaji ONO ono96 at fa2.so-net.ne.jp
Tue Dec 18 06:03:10 PST 2001

Thank you very much for your great work, Mr. Davis.

 I've tried to create some programs by using JTS's jars.

 If possible, could you  show any simple sample java programs using JTS?


> I'm happy to announce that a pre-release version of the Java Topology
> is now available for download at
> http://www.vividsolutions.com/jts/jtshome.htm
> This version is functionally complete (apart from isSimple and isValid,
> which will be release shortly).
> The spatial predicates are robust under both Fixed and Floating precision
> models.  The spatial overlay and buffer functions are unfortunately not
> fully robust.  The overlay functions should perform similarly to most
> spatial APIs, however.  The buffer function is robust and precise for many
> inputs, but does have known failure cases.
> We invite comments, and especially suggestions on robust, precise
> algorithms.

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