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<title>PROJ.4 - Cartographic Projections Library</title>
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<h1>PROJ.4 - Cartographic Projections Library</h1>

This web page relates to the PROJ.4 Cartographic Projections library originally
written by Gerald Evenden then of the USGS.  The primary version of this
web page can be found at <a href="http://www.remotesensing.org/proj">
http://www.remotesensing.org/proj</a>.<p>

<!---------------------------------------------------------------------------->
<h2>Download</h2>

The current development source is available by anonymous CVS.  It can
be checked out as the "proj" component.  Review the 
<a href="http://www.remotesensing.org/docs/howto-cvs.php3">OSRS CVS HOWTO</a>
if you need more information on using OSRS anonymous CVS.<p>

The following files are available from the 
<a href="ftp://ftp.remotesensing.org/pub/proj">proj ftp directory</a>:<p>

<ul>
<li> <a href="ftp://ftp.remotesensing.org/pub/proj/from_kai/PROJ.4.3.3.tar.gz">PROJ.4.3.3.tar.gz</a>:
The last PROJ 4.3 release produced by Gerald Evenden (classic PROJ.4).<p>

<li> <a href="ftp://ftp.remotesensing.org/pub/proj/from_kai/">from_kai</a>: 
A snapshot of everything on the kai.er.usgs.gov/pub/PROJ.4 directory as
of March/2000.<p>

<li> <a href="ftp://ftp.remotesensing.org/pub/proj/from_kai/OF90-284.pdf">
OF90-284.pdf</a>: The main users manual for PROJ.<p>

<li> <a href="ftp://ftp.remotesensing.org/pub/proj/proj-4.4.0.tar.gz">
proj-4.4.0.tar.gz</a>: Current release.<p>

</ul>

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<h2>Mailing List</h2>

<p>
This mailing list is for development and user discussions of the PROJ.4 
library.  
<p>
To <b>subscribe</b> send mail to <a href="mailto:majordomo@remotesensing.org">
majordomo@remotesensing.org</a>, with no subject.  In the body type:
<p>
<tt>subscribe osrs-proj</tt>
<p>
To <b>unsubscribe</b> send mail to <a href="mailto:majordomo@remotesensing.org">
majordomo@remotesensing.org</a>, with no subject, and in the body type:
<p>
<tt>unsubscribe osrs-proj</tt>
<p>
To post an email to this list, send email to: 
<a href="mailto:osrs-proj@remotesensing.org">osrs-proj@remotesensing.org</a>.
To review previous posts visit the 
<a href="http://www.remotesensing.org/lists/proj_archive/maillist.html">
web archive</a>.<p>

<!---------------------------------------------------------------------------->
<h2>Plans</h2>

I (<a href="http://gdal.velocet.ca/~warmerda/">Frank Warmerdam</a> - 
<a href="mailto:warmerda@home.com">warmerda@home.com</a>) 
have been using PROJ.4 for a number
of projects of mine.  PROJ.4 has been without maintenance for nearly five
years now since Gerald Evenden retired.  I have been in contact with him, and
he has indicated no interest in actively maintaining PROJ.4.<p>

It is my intention for this version (here at remotesensing.org) to be the
new official version of PROJ.4.  So far I have redone the makefiles and
configuration mechanism to use automake, autoconf and libtool.  As well as 
couple of portability fixes have been incorporated.<p>

It is my hope to involve the 
<a href="http://hgeo02.geog.uni-hannover.de/grass/">GRASS</a>, 
<a href="http://mapserver.gis.umn.edu/">MapServer</a>, 
and <a href="http://132.156.30.81/iii/">OGDI</a> 
communities all of which use some version of PROJ.4 though in some cases
with substantial changes.  I am also using PROJ.4 in my own projects, including
using it as the basis of <a href="http://www.opengis.org/">OpenGIS</a> inspired
coordinate transform services.<p>

If you are a user of PROJ.4, and/or are interested in contributing please
drop me a line and join the mailing list. <p>

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