Animations of Pseudotriangulations
Here is a list of a few applets and animations in connection with
pseudotriangulations that are available on the internet, as of
September 2005.
  - Bettina
Speckmann - Java Demo - Kinetic collision
detection for simple polygons 
- Ileana
Streinu: Pseudotriangulation mechanism in
motion 
- An expansive pseudotriangulation mechanism, animated 
- Ileana
Streinu: Unfolding a Polygon by
Pseudotriangulations 
- unfolding a polygon through a sequence of pseudotriangulation
mechanisms, animation of the complete process. 
- Pseudotriangulation
demo
- a Java applet by Jack Snoeyink, permitting to flip edges by
clicking on them 
- An
Energy-Driven Approach to Linkage Unfolding 
- an alternative approach to linkage unfolding, based on a paper by
Cantarella, Demaine, Iben, O'Brian 2004 
- Another
Java
implementation of the energy-based approach 
- by Michael Zilske. 
 some
precomputed animations
(in SVG
format)