Repast Simphony 1.0 is Now Available

[Stephen Guerin]

Michael North recently posted:

The Repast Organization for Architecture and Design (ROAD) is pleased to
announce the release of Repast Simphony 1.0! We thank the Repast core
developers, contributing developers, and supporters for the hard work that made
this release possible!

As many know, Repast Simphony is a free and open source agent-based modeling
toolkit that offers users a rich variety of features including the following:

1.) An optional point-and-click model development environment that generates
Java classes and seamlessly integrates with hand written Java and Groovy
components.
2.) A pure Java point-and-click model execution environment that includes
built-in results logging and graphing tools as well as automated connections to
a variety of optional external tools including R, VisAD, Weka, popular
spreadsheets, MATLAB, and iReport.
3.) An extremely flexible hierarchically nested definition of space including
the ability to do point-and-click and modeling and visualization of 2D
environments, 3D environments, networks including full integration with the JUNG
network modeling library, and geographical spaces including full Geographical
Information Systems (GIS) support.
4.) A range of data storage "freeze dryers" for model check pointing and
restoration including text file and database storage.
5.) A fully concurrent multithreaded discrete event scheduler.
6.) Libraries for genetic algorithms, neural networks, regression, random number
generation, and specialized mathematics.
7.) Automated Monte Carlo simulation framework which supports multiple modes of
model results optimization.
8.) Built-in tools for integrating external models.
9.) Full object-orientation.
10.) A point-and-click model deployment system.
11.) Availability on virtually all modern computing platforms including Windows,
Mac OS, and Linux.

More information on Repast Simphony can be found on the main web site:

        http://repast.sourceforge.net

Documentation, including a step-by-step tutorial, can be found here:

        http://repast.sourceforge.net/docs/docs_main.html

Downloads can be found here:

        http://repast.sourceforge.net/download.html

Thank you for your continuing interest in Repast!

Mike

Michael J. North, MBA, Ph.D.

Deputy Director
Center for Complex Adaptive Agent Systems Simulation Argonne National Laboratory
Decision and Information Sciences Division 9700 S. Cass Avenue Argonne, IL 60439

[Douglas Roberts-2]

And speaking of Symphonies, though this admittedly has nothing to do with
complexity except in the sense that music can be complex...

Here is a pointer to a new album from one of my music buddies.  I play with
him now and then in Santa Fe, and he's really a great guy.  The name of the
album is Lucky 13 <http://www.parrot-farm.net/%7Eroberts/Lucky-13/>.
**
No, I'm not on the album, but when we play in one or another of Santa Fe's
fine drinking establishments we usually do a cut or two from it.  For
starters, might I recommend *Gypsy Train*.

Cheers, and thanks for your indulgence.

--Doug

--
Doug Roberts, RTI International
droberts at rti.org
doug at parrot-farm.net
505-455-7333 - Office
505-670-8195 - Cell


On Dec 3, 2007 11:43 AM, Stephen Guerin <stephen.guerin at redfish.com> wrote:

> Michael North recently posted:
>
> The Repast Organization for Architecture and Design (ROAD) is pleased to
> announce the release of Repast Simphony 1.0! [...]
>
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[Owen Densmore]

I was surprised to see that they're using Java3D as well as JOGL.

I've heard that Java3D was a really nice system but was being  
terminated/unsupported.  But apparently its still popular with a  
large community, I think because Sun open-sourced the software.  It's  
now a java.net project.

Java3D uses native methods and has been optimized for several  
graphics cards. The current Mac OS X version apparently uses JOGL  
instead, and JOGL integration is in the future roadmap.

So this may be an untangling of library impedance mismatch.  Makes  
sense, Java3D is an early API and JOGL came after.  Some weird and  
wonderful history:
http://weblogs.java.net/blog/alexanderschunk/archive/2006/03/ 
java3d_jogl_jdx.html
.. esp this entry:

<quote>
Quick history lesson.

SGI creates OpenGL and then Inventor. World loves OpenGL. Inventor is  
loved by people who understand these things.

Java comes along. World loves Java. LiquidReality is a VRML browser  
written in Java. Post acquistion by Microsoft, free agent Alligator  
Descartes starts a Java binding for OpenGL called Magician. There are  
a bunch of others (including GL4Java which later becomes JOGL).

Alligator and I design the API that gets vetted by the OpenGL ARB.  
You can blame me for separation of the components, contexts, and  
listeners. GL4Java more or less adopts the ARB design.

Circling the bowl, SGI allies with Microsoft (I can't even remember  
the name of that failed initiative). Misunderstanding the distinction  
between a 3D API and a scenegraph API, Sun dawdles on a Java binding  
(despite the best efforts of Jon Leech and some others). Alligator's  
interest wanes.

With the growing interest in gaming, JOGL finds new life.
</quote>

[Marcus G. Daniels]

Owen Densmore wrote:
> I was surprised to see that they're using Java3D as well as JOGL.
>  
Or just wire it right into the browser..

http://blog.vlad1.com/