Do these files that it's trying to load exist? If not, the actual error happened earlier, when they were being generated. Looking at the entire trac-all.log instead of just the end might shed some light on this.

On Fri, 10 Aug 2012, Natalia Sánchez wrote:

Hi!I am running tracula for the first time and I am encountering the
following error:

Loading brain mask of output subject 
from/Users/Natalia/Desktop/freesurfer/subjects/Justin/cJD/dlabel/mni/lowb_brain
_mask.flt.nii.gz
niiRead(): error opening 
file/Users/Natalia/Desktop/freesurfer/subjects/Justin/cJD/dlabel/mni/lowb_brain
_mask.flt.nii.gz
Loading FA map of output subject 
from/Users/Natalia/Desktop/freesurfer/subjects/Justin/cJD/dmri/mni/dtifit_FA.fl
t.nii.gz
niiRead(): error opening 
file/Users/Natalia/Desktop/freesurfer/subjects/Justin/cJD/dmri/mni/dtifit_FA.fl
t.nii.gz
Segmentation fault 
Darwin dhcp-165-124-9-95.phystherapy.northwestern.edu 10.8.0 Darwin Kernel
Version 10.8.0: Tue Jun  7 16:33:36 PDT 2011;
root:xnu-1504.15.3~1/RELEASE_I386 i386

trac-preproc exited with ERRORS at Fri Aug 10 16:19:17 CDT 2012


what file is lowb_brain_mask.flt.nii.gz? should this have been created
during tracula or is this file my nodiff image?

Thanks!


-- Natalia Sánchez
    PhD Candidate
    Departments of Biomedical Engineering &
    Physical Therapy and Human Movement Sciences    Northwestern University
    645 North Michigan Ave, Suite 1100
    Chicago, IL 60611



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