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Hi Moises, The problem has been solved. It was the dot before bvals and bvecs what prevented to run bedpostx. Therefore, and for other people: Not: .bvals and .bvecs Yes: bvals and bvecs (without any dot) Best regards, Rosalia 2018-02-09 23:05 GMT+01:00 Rosalia Dacosta Aguayo <[log in to unmask]>: > I belief that the problem is not with bvecs..once I fix this it will ask > me for bvals...I think is something I am not doing well what I cannot > imagine where the error is...that's why I sent the -bvecs file... > > Any help with this would be much appreciate, > Best regards, > Rosalia > > 2018-02-09 22:46 GMT+01:00 Rosalia Dacosta Aguayo <[log in to unmask]>: > >> I tried...this is the problem..but just to show you in with listing...I >> wrote names >> >> 2018-02-09 22:32 GMT+01:00 Moises Hernandez <[log in to unmask]>: >> >>> Try to rename: >>> "ms062_s1.bvals" "ms062_s1.bvecs" >>> >>> with >>> "bvals" and "bvecs" >>> >>> >>> Moises >>> >>> On 9 February 2018 at 15:44, Rosalia Dacosta Aguayo <[log in to unmask] >>> > wrote: >>> >>>> Dear FSL's experts, >>>> >>>> I am trying to run bedpostx and I have all the files needed: >>>> data.nii.gz; nodif_brain_mask, bvals and bvecs all in the same >>>> directory...but it seems there is a problem with the bvecs file... and I do >>>> not know how to fix this problem. >>>> >>>> >>>> *Directory*: >>>> rosalia@rosalia-Lenovo-Y520-15IKBN ~/Desktop/MEMORY_NANCY/SECOND_ >>>> ANALYSIS/DTI_STUDY/PRE_POST/bedpostx/ms062/ms062_s1/dti $ ls >>>> >>>> data.nii.gz ms062_s1.bvals ms062_s1.bvecs nodif_brain_mask.nii.gz >>>> >>>> *From the directory I try* the following: >>>> rosalia@rosalia-Lenovo-Y520-15IKBN ~/Desktop/MEMORY_NANCY/SECOND_ >>>> ANALYSIS/DTI_STUDY/PRE_POST/bedpostx/ms062/ms062_s1/dti $ bedpostx >>>> /home/rosalia/Desktop/MEMORY_NANCY/SECOND_ANALYSIS/DTI_STUDY >>>> /PRE_POST/dtifit/ms062/ms062_s1/dti -b 1500 >>>> subjectdir is /home/rosalia/Desktop/MEMORY_N >>>> ANCY/SECOND_ANALYSIS/DTI_STUDY/PRE_POST/dtifit/ms062/ms062_s1/dti >>>> /home/rosalia/Desktop/MEMORY_NANCY/SECOND_ANALYSIS/DTI_STUDY >>>> /PRE_POST/dtifit/ms062/ms062_s1/dti/*bvecs not found* >>>> >>>> >>>> Best regards, >>>> Rosalia >>>> >>>> >>>> >>> >> >