On this page you can find the Euler Filter script for Blender 3D.
It is meant to clean up Rotation IPO curves recorded with the game engine.
This script is written for blender 2.48a
A lot of the time when you record motion in Blender’s game engine you get Curves that ‘Flip’.
This because Blender doesn’t like rotations above 180 or below -180 degrees.
Below here is an example of what a recorded curve may look like.
And here the result of a cleaned IPO curve
Dolf