Ok,
Check out the demo in the ZIP file
It's not hack code, but is definitely missing documentation.
So in lieu of that, here is a narrated story time
http://screencast.com/t/dJsMkZkDA0
http://screencast.com/t/9dgIuC97LZwP
Ports back to LabVIEW 7.0 at least (original code from 2003)
~,~
The Captain Was Here
My Source Distribution.zip