[postgis] JTS Code examples

mbdavis mbdavis at vividsolutions.com
Tue Dec 18 10:22:35 PST 2001

Good point, Hisaji.  I've attached an example JTS program.  We'll add
examples to the src code in the next release.

Martin Davis, Senior Technical Specialist
Vivid Solutions Inc.
Suite #1A-2328 Government Street   Victoria, B.C.   V8T 5G5
Phone: (250) 385 6040    Fax: (250) 385 6046
EMail: mbdavis at vividsolutions.com  Web: www.vividsolutions.com

-----Original Message-----
From: Hisaji ONO [mailto:ono96 at fa2.so-net.ne.jp]
Sent: Tuesday, December 18, 2001 6:03 AM
To: mbdavis at vividsolutions.com
Cc: postgis at yahoogroups.com
Subject: Re: JTS 0.9 has been released

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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