Hi,
A couple of things seem a little weird to me: You used a 256X256 matrix but
have 3 mm isotropic voxels, wouldn't that require a FOV of 768X768 mm (0.7
meters)? Also, I'm pretty sure pixdim4 0.0000000000 should be 1, as
it is in all my datasets.
Hope this helps.
Peace,
Matt.
_____
From: FSL - FMRIB's Software Library [mailto:[log in to unmask]] On Behalf
Of karo zargar
Sent: Monday, May 07, 2007 2:41 AM
To: [log in to unmask]
Subject: Re: [FSL] Error in running probtrack
Hi
I got the following.
/home/karo/Input_directory/data
dim1 256
dim2 256
dim3 29
dim4 26
datatype 16
pixdim1 3.0000000000
pixdim2 3.0000000000
pixdim3 3.0000000000
pixdim4 0.0000000000
cal_max 1.0000
cal_min 1.0000
glmax 0
glmin 0
origin1 0
origin2 0
origin3 0
file_type ANALYZE-7.5
/home/karo/Input_directory/nodif
dim1 256
dim2 256
dim3 29
dim4 1
datatype 16
pixdim1 3.0000000000
pixdim2 3.0000000000
pixdim3 3.0000000000
pixdim4 0.0000000000
cal_max 1.0000
cal_min 1.0000
glmax 0
glmin 0
origin1 0
origin2 0
origin3 0
file_type ANALYZE-7.5
/home/karo/Input_directory/nodif_brain_mask
dim1 256
dim2 256
dim3 29
dim4 1
datatype 16
pixdim1 3.0000000000
pixdim2 3.0000000000
pixdim3 3.0000000000
pixdim4 0.0000000000
cal_max 1.0000
cal_min 1.0000
glmax 0
glmin 0
origin1 0
origin2 0
origin3 0
file_type ANALYZE-7.5
num lines in /home/karo/Input_directory/bvals
1
num words in /home/karo/Input_directory/bvals
26
num lines in /home/karo/Input_directory/bvecs
3
num words in /home/karo/Input_directory/bvecs
78
Tim Behrens <[log in to unmask]> wrote:
Hi Karo -
Can you run bedpost_datacheck on your input directory please?
just type
bedpost_datacheck directoryname
and tell us the output..
Cheers
T
On 6 May 2007, at 10:10, karo zargar wrote:
Dear all
In the case of running the bedpost, although the out put files are created I
receive the following error:
Writing slice 0
Writing slice 1
Writing slice 2
.
.
.
Writing slice 28
when I run the probtrack with the created bedpost, no fiber track is
reconstructed.
Please help me in solving the problem.
Thanks.
Karo
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