Hi - If there is no error message in your scripts/trac-all.log file, that means that it was able to read the information from the dicoms. You can double-check if the gradient table was read correctly by inspecting the outputs of the tensor fit with: freeview --dti dmri/dtifit_V1.nii.gz dmri/dtifit_FA.nii.gz. Display the vectors as lines and check that they follow the shape of the main tracts like the corpus callosum and cingulum bundle. You just need to check this on one of the subjects, if they were all scanned the same way.
Best, a.y ________________________________ From: freesurfer-boun...@nmr.mgh.harvard.edu <freesurfer-boun...@nmr.mgh.harvard.edu> on behalf of VA Research <n.n.di.methyl.tryptami...@gmail.com> Sent: Wednesday, December 27, 2017 8:26:48 PM To: Freesurfer support list Subject: [Freesurfer] TRACULA bvec bval read from dicom Hello, I chose comment out the set bvecfile, bvallist, bvalfile fromt the design script. >From my understanding those variable above are not needed if we have a proper >DICOM. All my subjects ran without error, but, How can I confirm that my DICOM version is compatible wtih tracula, How do I know the gradient tables are being read from the DICOM correctly? Thanks so much, Joseph
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