## complete sfmulti4d class

This class can represent a 3D rotation. The class has 4 double numbers which
represent the rotation as either quaternion, axis-angle or euler number depending
on the cde int/enum

The class has methods to combine with other rotations. Also many other methods,
including the ability to load and save to from VRML and x3d

There are 3 versions available depending on language:

See also the following related classes

The full source code is available on Sourceforge here: