From VRML 2 Basic Concepts and Definitions CPS616 -- Information Track of CPS -- Spring Semester 98. byZeynep Ozdemir, Rob Baker, Meryem Ispirli, Geoffrey C. Fox (Definition and Examples)
The CylinderSensor node senses viewer drag actions, computes rotation axis and angles, and output these using rotation_changed eventOut.
By using this sensor, it is possible to define a shape, like disk, than can be turned via draging the mouse.