11 Jun
2006
11 Jun
'06
1:42 a.m.
On 6/10/06, Andy Little <andy@servocomm.freeserve.co.uk> wrote:
OK, but they are define a rotation in 3D space, do they not ?
My understanding is that a *unit* quaternion can be used to represent a rotation in 3-space, but an arbitrary quaternion is 4D. ~ Scott