[vtkusers] New Java animation example on Wiki

[Jim Peterson]

All,
I created a new example of polydata modification to animate a scene in 
Java on the wiki site as:
http://www.vtk.org/Wiki/VTK/Examples/Java/Visualization/AnimDataCone

It appears there are numerous ways to accomplish the same task in vtk, 
and I went back and forth between using a timerEvent callback and using 
the Render StartEvent callback. I settled in the latter because it 
appeared to fit into the exiting M key interaction event which is 
defined as the "motion control". The animation is turned on and off via 
the M key interaction which appears to be defined for all of the 
existing interaction styles.

I have been studying VTK for some time, and I still do not have a clear 
idea what might be the "intended paradigm". I would appreciate any 
feedback in terms of pro's and con's, or general style comments 
regarding vtk techniques.

Hope that helps,
Jim