3D rendering and more - new contributions

[Matthew Flatt <mflatt@cs.utah.edu>]

The libraries-&-extensions page

   http://www.cs.utah.edu/plt/develop/

has two new entries, both contributed by Olivier Merigon:

 Moteur 3D (under "Multimedia") - a 3-D redering program (doesn't
                                  require OpenGL, or anything like
                                  that)

 data viewer (under "Programming Tools") - draws reprsentations of
                                           tree-structed data

Both entires point to Olivier's web pages. The pages are in French, and
the Moteur 3D page has lots of information, so here's a hint on what
the download link looks like:

      Sources pour PLT DrScheme ici 
                                ---

It's worth clicking "ici". Unzip the archive and load "Moteur3D.scm" in
DrScheme 103's Full Graphical language. (In Unix, you might need to
change the "Object" and "Camera" directory names to "object" and
"camera".)

Thanks to Olivier!

Matthew