From: Andy Little (andy_at_[hidden])
Date: 2006-06-11 02:56:50
"me22" wrote
> On 6/10/06, Andy Little <andy_at_[hidden]> 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.
OK. So going back to the original point. The intent in PQS is to use a
quaternion solely for representing a rotation in 3D space. Putting quaternion in
a 3D namespace makes sense to me from that viewpoint and should help to clarify
its intended purpose.
regards
Andy Little