Diva
Diva is a visualization package used by some of the demos and by
vergil, the Ptolemy II user interface.
The Ptolemy II distribution includes $PTII/lib/diva.jar
.
As of Ptolemy II 4.0, a subset of the Diva sources and documentation
are included in the source release.
More information about Diva can be found at
http://embedded.eecs.berkeley.edu/diva/
.