Ok - in that case there may be something wrong with the vector file. Perhaps it contains NaNs (you can fix that with fslmaths)?
Cheers
Saad
> On 21 Sep 2017, at 11:58, Max Wichmann <[log in to unmask]> wrote:
>
> Hi Saad, thank your for answering!
>
> What do you mean exactly with cut the mat file?
>
> I used the same matrix file as I used with the dyads before. It worked fine, so I guess the trafo matrix should be valid.
> Here are the matrix indices:
>
> 0.9990886732 0.002731566562 -0.006416307445 1.256444431
> -0.00283729483 1.00135213 -0.01733150472 1.456141552
> 0.007479122365 0.01498222108 0.9968185717 -2.67179201
> 0 0 0 1
>
>
> Thank you
> Best
> Max
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