[Mristudio-users] What is the formula to rotate tensors?

[susumu mori]

If you want to do any transformation operation on a tensor file, you have
to use DiffeoMap and load it through the "Open *.d" button.
Then DiffeoMap knows the loaded files are tensor.
You can find "Getting Started" here (
https://www.mristudio.org/wiki/user_manual/diffeomap).

Once a tensor file is loaded in this manner, AIR and LDDMM rotations will
reorient the tensor directions when any rotation operations are performed.

DtiStudio has AIR for intra-data coregistration. Because this is the
pre-tensor-calculation phase, there is no tensor rotation involved.

On Tue, Feb 26, 2013 at 9:01 AM, Dorian P. <alb.net at gmail.com> wrote:

> Hi MRIstudio list,
>
> I am returning to a previous topic with a detaled question. What would be
> the formula to rotate the 6 tensors in space? DTIstudio cannot rotate
> tensors manually but perhaps I can do this in Matlab. I need to do the
> rotation to save some LDDMM transformations which always involved
> preliminary manual rotation. Without it, I would have to run again AIR and
> LDDMM on each subject.
>
> Thank you.
>
> P.s. If anybody knows how to read .dat files in Matlab, that may be a lot
> helpful too.
>
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