A TrackBall object translates widget events from a draw widget (created with the WIDGET_DRAW function) into transformations that emulate a virtual trackball (for transforming object graphics in three dimensions).
This object class is implemented in the IDL language. Its source code can be found in the file
trackball__define.pro in the
lib subdirectory of the IDL distribution.
This class has no superclasses.
Objects of this class have the following properties. See TrackBall Properties for details on individual properties.
In addition, objects of this class inherit the properties of all superclasses of this class.
This class has the following methods:
In addition, this class inherits the methods of its superclasses (if any).