[Proj4j] Java Map Projection Library (jmapprojlib)

[Fred Pospeschil]

Josh,

>From what I can tell from a brief look, Jenny's library is basically an unchanged copy of the JHLABS  library.  I did not do a detailed comparison.

I have been working to test and document the JABS code in order to look into what it takes to actually make maps on the computer.  I found a lot of errors in the JHLABS code - Jerry said it was a work-in-progress.  Some errors I could fix, many others still need work.  My efforts have tried to identify the good from the bad.

Maybe my efforts could be of use to you.  They are available at:
http://webpages.charter.net/fred.pospeschil/

What you will see at the above site is a basic start.  I have major revisions in the works.  Comments and suggestions are always welcome.

Is there some way our efforts can be mutually supporting?

Fred Pospeschil


From: Josh Doe 
Sent: Tuesday, February 08, 2011 3:00 PM
To: proj4j at lists.osgeo.org 
Subject: [Proj4j] Java Map Projection Library (jmapprojlib)


Hello,
I'm investigating the options for performing coordinate
transformations in Java, and came across two libraries that have
forked off of the JH Labs Java Map Projection Library, this project
(Proj4J), and what appears to be the spiritual successor (since it is
linked from JH Labs page [1]) to JH Labs project, JMapProjLib [2],
maintained by Bernhard Jenny. That project has had more recent
activity, but it does seem that Proj4J is further advanced.

Any reason these two projects can't combine?

-Josh

[1]: http://www.jhlabs.com/java/maps/proj/
[2]: http://sourceforge.net/projects/jmapprojlib/develop
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