Thanks for looking into this. I tried the bval and bvec files you sent. But
got the same newmat error.
I also downgraded to FSL 4.0.2 and that didn't work either.
Would you recommend doing the FA recon in some other package and then
convert it to a 4D nii format for running TBSS?
From: FSL - FMRIB's Software Library [mailto:[log in to unmask]] On Behalf
Of Saad Jbabdi
Sent: Wednesday, February 04, 2009 1:16 PM
To: [log in to unmask]
Subject: Re: [FSL] Incompatible Dimensions Exception
I couldn't replicate your error using FSL4.1.2.
There are some points worth mentioning though:
. The version of FDT in FSL4.1.2 does note care whether the bvals and
bvecs are in rows or columns, neither does it need a carriage return
at the end of the bvals file
. It does however care about the bvals and bvecs file being ascii
files (which might be your problem..)
. The next version of DTIFIT will include an internal sanity check
similar to bedpostx_datacheck, so there will be no need for running
that beforehand (and having to name the input files according to
I have attached ascii bvecs/bvals files based on your data.
Note that I have changed your bvecs file slightly, by flipping the x-
orientation (you would have noticed this problem had you been able to
I am not sure what was happening on your side. Hopefully these
attached files should solve your problem...