[Insight-users] pb with Versor3DRigidTransform

Vincent Daanen vincent.daanen at imag.fr
Tue Sep 6 05:20:18 EDT 2005


Dear itk users,

trying to rigidly register MRI datasets, I'm running in a strange 
'problem' with the itk::Versor3DRigidTransform :
in order to test the rigid registration, I resampled a volume with a 
arbitrary Rigid 3D Transformation which is a pure translation tranform 
defined with a itk::Versor3DRigidTransform. When I display the value of 
the transform, the rotation is the following :
    Axis : [nan, nan, nan] Angle = 0.

I just wonder if it is just a display problem or does the transform 
badly compute because I do not apply rotation ?

thanks for your help !

 Vince

-- 
Vincent Daanen, PhD
Research Engineer, Post-Doctoral Position
Laboratoire TIMC/IMAG (Univ. Joseph Fourier - CNRS UMR 5525)
Equipe GMCAO
Institut d'Ingénierie de l'Information de Santé (IN3S)
Faculté de Médecine - 38706 La Tronche cedex - France
Tel: +33 (0)4 56 52 00 54 - Fax: +33 (0)4 56 52 00 55
Vincent.Daanen at imag.fr

"Les problèmes ne peuvent être résolus par
ceux dont l'horizon se limite aux réalités 
quotidiennes, mais par ceux qui rêvent de 
choses qui n'ont jamais existées et qui se 
disent : Pourquoi Pas ?"

J-F Kennedy, 1963.



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