Hi,
I'm having problems running dtifit, and get the following error message. My
files are saved in analyze format. In my subject folder, I have individual
files for data, bvecs.txt, bvals.txt, nodif, nodif_brain_mask.
$ dtifit -k data -r bvecs -b bvals -m nodif_brain_mask -o dti
0 128 0 128 0 70
0 slices processed
Aborted (core dumped)
Running bedpost_datacheck (as seems to be advised in the previous archives)
produces this.
Suzanna@suzanna /usr/local/fsl/bin
$ bedpost_datacheck ~/FSL_DATA/99027
/home/Suzanna/FSL_DATA/99027/data
dim1 128
dim2 128
dim3 70
dim4 35
datatype 4
pixdim1 -1.7500000000
pixdim2 1.7500000000
pixdim3 2.0000000000
pixdim4 1.0000000000
cal_max 0.0000
cal_min 0.0000
glmax 0
glmin 0
origin1 0
origin2 0
origin3 0
file_type ANALYZE-7.5
/home/Suzanna/FSL_DATA/99027/nodif
dim1 128
dim2 128
dim3 70
dim4 1
datatype 4
pixdim1 -1.7500000000
pixdim2 1.7500000000
pixdim3 2.0000000000
pixdim4 1.0000000000
cal_max 0.0000
cal_min 0.0000
glmax 0
glmin 0
origin1 0
origin2 0
origin3 0
file_type ANALYZE-7.5
/home/Suzanna/FSL_DATA/99027/nodif_brain_mask
dim1 128
dim2 128
dim3 70
dim4 1
datatype 4
pixdim1 -1.7500000000
pixdim2 1.7500000000
pixdim3 2.0000000000
pixdim4 1.0000000000
cal_max 1.0000
cal_min 0.0000
glmax 0
glmin 0
origin1 0
origin2 0
origin3 0
file_type ANALYZE-7.5
num lines in /home/Suzanna/FSL_DATA/99027/bvals
cat: /home/Suzanna/FSL_DATA/99027/bvals: Is a directory
0
num words in /home/Suzanna/FSL_DATA/99027/bvals
cat: /home/Suzanna/FSL_DATA/99027/bvals: Is a directory
0
num lines in /home/Suzanna/FSL_DATA/99027/bvecs
cat: /home/Suzanna/FSL_DATA/99027/bvecs: Is a directory
0
num words in /home/Suzanna/FSL_DATA/99027/bvecs
cat: /home/Suzanna/FSL_DATA/99027/bvecs: Is a directory
0
cat: /home/Suzanna/FSL_DATA/99027/bvals: Is a directory
cat: /home/Suzanna/FSL_DATA/99027/bvecs: Is a directory
cat: /home/Suzanna/FSL_DATA/99027/bvecs: Is a directory
Runtime error (func=(main), adr=3): Divide by zero
/usr/local/fsl/bin/bedpost_datacheck: line 48: [: -ne: unary operator
expected
number of elements in bvals is not equal to number of vols in data
/usr/local/fsl/bin/bedpost_datacheck: line 54: [: -ne: unary operator
expected
Any suggestions? Sorry, my computer skills are pretty poor!
Thanks
Suzanna
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