Re: [boost] [Review][PQS] Review ends

From: Martin Slater (mslater_at_[hidden])
Date: 2006-06-13 04:50:08

> OK. This functionality will surely depend on the implementation of vect * quat ? 
> In boost::quaternion the quaternion seems to be normalised during the 
> calculation AFAICS.  See <libs/math/quaternion/HS03.hpp>. I have to confess that 
> I don't know enough about quaternions to speak with authority. As Janek Kozicki 
> brought up yade http://yade.berlios.de/. My current plan is to look at that as 
> an example useage. Again only for rotations. I'm not even sure yet how I can 
> test the calculations on quaternions. I need to understand more about how they 
> are constructed, starting maybe from an [axis-vector,angle] type maybe, simply 
> because I can visualise that easier than 4 dimensions :-)

An extremely good book on quaternions if you can get it is

        Quaternions and Rotation Sequences
        Jack B. Kuipers
        ISBN 0-691-05872-5

Very recommended and written in one the best styles I've seen for a 
technical book.

hth

Martin

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