4 <LINK REL='stylesheet' TYPE='text/css' HREF='style.css'
>
8 <TABLE BORDER='
0' WIDTH='
90%' CELLSPACING=
20>
10 <TD WIDTH=
50% VALIGN=MIDDLE ALIGN=RIGHT
>
11 <B><FONT SIZE='
20pt'
>GEOS
</FONT></B>
13 <TD WIDTH=
50% VALIGN=MIDDLE
>
14 <B>Geometry
<BR>Engine
<BR>Open
<BR>Source
</B>
18 <TD COLSPAN=
2><HR SIZE=
1></TD>
24 <P>GEOS (Geometry Engine - Open Source) is a C++ port of the
25 <A HREF='http://www.jump-project.org/project.php?PID=JTS&SID=OVER'
>Java Topology Suite
</A> (JTS).
26 As such, it aims to contain the complete functionality of JTS
27 in C++. This includes all the OpenGIS
"Simple Features for SQL"
28 spatial predicate functions and spatial operators, as well as
29 specific JTS topology functions such as
<code>IsValid()
</code>.
33 <P>[
2007/
02/
02]
<A HREF='geos-
3.0.0rc4.tar.bz2'
>geos-
3.0.0rc4.tar.bz2
</A></P>
34 <P>[
2006/
12/
14]
<A HREF='geos-
3.0.0rc3.tar.bz2'
>geos-
3.0.0rc3.tar.bz2
</A></P>
35 <P>[
2006/
11/
05]
<A HREF='geos-
3.0.0rc2.tar.bz2'
>geos-
3.0.0rc2.tar.bz2
</A></P>
36 <P>[
2006/
09/
09]
<A HREF='geos-
3.0.0rc1.tar.bz2'
>geos-
3.0.0rc1.tar.bz2
</A></P>
37 <P>[
2006/
07/
08]
<A HREF='geos-
2.2.3.tar.bz2'
>geos-
2.2.3.tar.bz2
</A></P>
38 <P>[
2006/
05/
16]
<A HREF='geos-
2.2.2.tar.bz2'
>geos-
2.2.2.tar.bz2
</A></P>
39 <P>[
2005/
12/
11]
<A HREF='geos-
2.2.1.tar.bz2'
>geos-
2.2.1.tar.bz2
</A></P>
40 <P>[
2005/
12/
01]
<A HREF='geos-
2.2.0.tar.bz2'
>geos-
2.2.0.tar.bz2
</A></P>
41 <P>[
2005/
08/
23]
<A HREF='geos-
2.1.4.tar.bz2'
>geos-
2.1.4.tar.bz2
</A></P>
42 <P>[
2005/
07/
04]
<A HREF='geos-
2.1.3.tar.bz2'
>geos-
2.1.3.tar.bz2
</A></P>
43 <P>[
2005/
06/
08]
<A HREF='geos-
2.1.2.tar.bz2'
>geos-
2.1.2.tar.bz2
</A></P>
44 <P>[
2004/
12/
16]
<A HREF='geos-
2.1.1.tar.bz2'
>geos-
2.1.1.tar.bz2
</A></P>
45 <P>[
2004/
11/
13]
<A HREF='geos-
2.1.0.tar.bz2'
>geos-
2.1.0.tar.bz2
</A></P>
46 <P>[
2004/
10/
04]
<A HREF='geos-
2.0.1.tar.bz2'
>geos-
2.0.1.tar.bz2
</A></P>
47 <P>[
2004/
08/
19]
<A HREF='geos-
2.0.0.tar.bz2'
>geos-
2.0.0.tar.bz2
</A></P>
48 <P>[
2003/
11/
06]
<A HREF='geos-
1.0.0.tar.bz2'
>geos-
1.0.0.tar.bz2
</A></P>
49 <BLOCKQUOTE><B>IMPORTANT:
</B> GEOS
2.0.0 is
<EM>not
</EM> compatible with PostGIS
0.8 or lower.
50 Do not upgrade to GEOS
2.0.0 unless you also upgrade your version of PostGIS
51 at the same time to PostGIS
0.9 or greater.
</BLOCKQUOTE>
61 <DT><A HREF='ro/SVN.txt'
>SVN Change Log
</A>
62 <DD>The SVN log file summary, updated hourly from the SVN archive.
64 <DT><A HREF='ro/doxygen_docs/html'
>API Documentation
</A>
65 <DD>DOxygen-generated API documentation. Updated daily from the SVN
68 <DT><A HREF='http://trac.osgeo.org/geos/'
>Bug Tracker
</A>
72 <DT><A HREF='geos-charter.pdf'>GEOS Project Charter</A>
73 <DD>The GEOS charter document, explaining goals of the GEOS project.
76 <DT><A HREF='http://lists.osgeo.org/mailman/listinfo/geos-devel/'
>[geos-devel] Subscribe/Unsubscribe
</A>
77 <DD>The project mailing list subscription page.
79 <DT><A HREF='http://lists.osgeo.org/pipermail/geos-devel/'
>[geos-devel] List Archive
</A>
80 <DD>The project mailing list traffic archive.
82 <DT><A HREF='http://lists.osgeo.org/mailman/listinfo/geos-commits/'
>[geos-commits] Subscribe/Unsubscribe
</A>
83 <DD>The project code commits mailing list subscription page.
85 <DT><A HREF='http://lists.osgeo.org/pipermail/geos-commits/'
>[geos-commits] List Archive
</A>
86 <DD>The project commits list archive.
90 <P>Download hourly SVN snapshot of GEOS code:
</P>
91 <BLOCKQUOTE><A HREF='http://downloads.osgeo.org/geos/geos-svn.tar.bz2'
>geos-svn.tar.bz2
</A></BLOCKQUOTE>
92 <P>SVN access to the GEOS source code:
</P>
95 <LI><CODE>svn checkout
<A HREF=
"http://svn.osgeo.org/geos/trunk/">http://svn.osgeo.org/geos/trunk/
</A> geos
</CODE>
96 <BR><SMALL><I>Remember to
<CODE>svn update
</CODE> regularly.
</I></SMALL>
102 <TD COLSPAN=
2><HR SIZE=
1><BR>
103 <P ALIGN=CENTER
><SMALL>
104 <A HREF='http://www.refractions.net'
>Refractions Research
</A> |
105 <A HREF='http://www.vividsolutions.com'
>Vivid Solutions
</A> |
106 <A HREF='http://www.cs.uvic.ca'
>University of Victoria
</A>