yade-dev team mailing list archive

[Jerome Duriez <jerome.duriez@xxxxxxxxxxxxxxx>]

Hi,
   I guess you ask this question to compute the result of the rotation 
corresponding to your "Quaternion", applied to your "Vector", isn't it ?
   If yes, you can use the function Rotate, defined in Wm3Quaternion 
(in my not up to date version...)

Jerome

boon chiaweng a écrit :
> Hi,
>
> Can someone advise me how do I multiply a  Quaternion.Conjugate * 
> Vector * Quaternion?  The following doesn't work, including the 
> assignment in terms of "=" and "()".  I looked at the wm3 template, 
> but suspect that vector*quaternion is not supported?
>
> Vector3r localP1 = (0);
>     localP1 = state1.ori.Conjugate() * tempP1 * state1.ori;
>  Vector3r localP2 =  (0);
>     localP2 (state2.ori.Conjugate() * tempP2 * state2.ori);
>
>
> Yours,
>
> CWBoon
>
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--
Jérôme Duriez
ATER Iut 1 Grenoble, département GMP - Laboratoire 3S-R
04.56.52.86.49 (ne pas laisser de messages sur le répondeur)