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        <B><FONT SIZE='20pt'>GEOS</FONT></B>
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        <B>Geometry<BR>Engine<BR>Open<BR>Source</B>
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      <H2>About</H2>
      <P>GEOS (Geometry Engine - Open Source) is a C++ port of the
         <A HREF='http://www.jump-project.org/project.php?PID=JTS&SID=OVER'>Java Topology Suite</A> (JTS).
         As such, it aims to contain the complete functionality of JTS
         in C++.  This includes all the OpenGIS "Simple Features for SQL"
         spatial predicate functions and spatial operators, as well as
         specific JTS topology functions such as <code>IsValid()</code>.
      </P>

      <H2>Download</H2>
      <P>[2007/02/02] <A HREF='geos-3.0.0rc4.tar.bz2'>geos-3.0.0rc4.tar.bz2</A></P>
      <P>[2006/12/14] <A HREF='geos-3.0.0rc3.tar.bz2'>geos-3.0.0rc3.tar.bz2</A></P>
      <P>[2006/11/05] <A HREF='geos-3.0.0rc2.tar.bz2'>geos-3.0.0rc2.tar.bz2</A></P>
      <P>[2006/09/09] <A HREF='geos-3.0.0rc1.tar.bz2'>geos-3.0.0rc1.tar.bz2</A></P>
      <P>[2006/07/08] <A HREF='geos-2.2.3.tar.bz2'>geos-2.2.3.tar.bz2</A></P>
      <P>[2006/05/16] <A HREF='geos-2.2.2.tar.bz2'>geos-2.2.2.tar.bz2</A></P>
      <P>[2005/12/11] <A HREF='geos-2.2.1.tar.bz2'>geos-2.2.1.tar.bz2</A></P>
      <P>[2005/12/01] <A HREF='geos-2.2.0.tar.bz2'>geos-2.2.0.tar.bz2</A></P>
      <P>[2005/08/23] <A HREF='geos-2.1.4.tar.bz2'>geos-2.1.4.tar.bz2</A></P>
      <P>[2005/07/04] <A HREF='geos-2.1.3.tar.bz2'>geos-2.1.3.tar.bz2</A></P>
      <P>[2005/06/08] <A HREF='geos-2.1.2.tar.bz2'>geos-2.1.2.tar.bz2</A></P>
      <P>[2004/12/16] <A HREF='geos-2.1.1.tar.bz2'>geos-2.1.1.tar.bz2</A></P>
      <P>[2004/11/13] <A HREF='geos-2.1.0.tar.bz2'>geos-2.1.0.tar.bz2</A></P>
      <P>[2004/10/04] <A HREF='geos-2.0.1.tar.bz2'>geos-2.0.1.tar.bz2</A></P>
      <P>[2004/08/19] <A HREF='geos-2.0.0.tar.bz2'>geos-2.0.0.tar.bz2</A></P>
      <P>[2003/11/06] <A HREF='geos-1.0.0.tar.bz2'>geos-1.0.0.tar.bz2</A></P>
      <BLOCKQUOTE><B>IMPORTANT:</B> GEOS 2.0.0 is <EM>not</EM> compatible with PostGIS 0.8 or lower.
      Do not upgrade to GEOS 2.0.0 unless you also upgrade your version of PostGIS
      at the same time to PostGIS 0.9 or greater.</BLOCKQUOTE>  

      
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      <H2>Links</H2>

      <DL>

      <DT><A HREF='ro/SVN.txt'>SVN Change Log</A>
      <DD>The SVN log file summary, updated hourly from the SVN archive.

      <DT><A HREF='ro/doxygen_docs/html'>API Documentation</A>
      <DD>DOxygen-generated API documentation. Updated daily from the SVN 
          archive.

      <DT><A HREF='http://trac.osgeo.org/geos/'>Bug Tracker</A>
      <DD>Trac bug tracker.

<!--  
      <DT><A HREF='geos-charter.pdf'>GEOS Project Charter</A>
      <DD>The GEOS charter document, explaining goals of the GEOS project.
-->

      <DT><A HREF='http://lists.osgeo.org/mailman/listinfo/geos-devel/'>[geos-devel] Subscribe/Unsubscribe</A>
      <DD>The project mailing list subscription page.

      <DT><A HREF='http://lists.osgeo.org/pipermail/geos-devel/'>[geos-devel] List Archive</A>
      <DD>The project mailing list traffic archive.

      <DT><A HREF='http://lists.osgeo.org/mailman/listinfo/geos-commits/'>[geos-commits] Subscribe/Unsubscribe</A>
      <DD>The project code commits mailing list subscription page.

      <DT><A HREF='http://lists.osgeo.org/pipermail/geos-commits/'>[geos-commits] List Archive</A>
      <DD>The project commits list archive.
      </DL>

      <H2>SVN</H2>
      <P>Download hourly SVN snapshot of GEOS code:</P>
      <BLOCKQUOTE><A HREF='http://downloads.osgeo.org/geos/geos-svn.tar.bz2'>geos-svn.tar.bz2</A></BLOCKQUOTE>
      <P>SVN access to the GEOS source code:</P>

      <UL>
        <LI><CODE>svn checkout <A HREF="http://svn.osgeo.org/geos/trunk/">http://svn.osgeo.org/geos/trunk/</A> geos</CODE>
        <BR><SMALL><I>Remember to <CODE>svn update</CODE> regularly.</I></SMALL>
      </UL>

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         <P ALIGN=CENTER><SMALL>
         <A HREF='http://www.refractions.net'>Refractions Research</A> |
         <A HREF='http://www.vividsolutions.com'>Vivid Solutions</A> |
         <A HREF='http://www.cs.uvic.ca'>University of Victoria</A>
         </SMALL></P>
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