Hi Nicola
> I'm using vecreg to apply rotations created with makerot to vector fields created outside FSL (e.g. magnetic vector potentials). I'm noticing that:
>
> - The output is always a unit-length vector field: does vecreg perform some kind of implicit normalisation? Can I "switch it off"?
Yes, this is to do with the way vector interpolation is done. I am afraid it is not straightforward to switch it off.
>
> - I am having trouble controlling the padding ad the edge of the rotated images - is there a (hidden) option for that?
Nope - sorry...
Saad
>
> Thanks a lot,
>
> nicola
>
--
Saad Jbabdi
University of Oxford, FMRIB Centre
JR Hospital, Headington, OX3 9DU, UK
(+44)1865-222466 (fax 717)
www.fmrib.ox.ac.uk/~saad
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