Hi,
Can you confirm that the input fieldmap ( selected via the GUI ) only has 1 volume?
Kind Regards
Matthew
--------------------------------
Dr Matthew Webster
FMRIB Centre
John Radcliffe Hospital
University of Oxford
On 1 Nov 2018, at 13:14, Gkiatis Kostakis <[log in to unmask]<mailto:[log in to unmask]>> wrote:
Dear FSL experts,
I recently upgraded to FSL 6.0 and I run some test just to verify everything looks good.
When I tried to run Melodic with the option of B0 unwarping with the exact same input as in the old version of FSL, I get this error when fugue is running:
/usr/local/fsl/bin/fugue --loadfmap=FM_UD_fmap --savefmap=FM_UD_fmap_tmp_fmapfilt --mask=FM_UD_fmap_mag_brain_mask --despike --despikethreshold=2.1
Image Exception : #75 :: 3D only method called by higher-dimensional volume.
terminate called after throwing an instance of 'armawrap::AWException'
what(): 3D only method called by higher-dimensional volume.
Aborted
After a bit of debugging, I noticed that both images, FM_UD_fmap and FM_UD_fmap_mag_brain_mask, as well as FM_UD_fmap_mag_brain and FM_UD_fmap_mag have 2 volumes per image, the one that I gave as input and the one that was created from the script. I am not even sure how this is possible. Instead of replacing the images, the script created a 4th dimension and saved images there.
I tried to run Feat as well and got the same error. I got no errors when I run without B0 unwarping option.
Am I doing something wrong?
How can I fix this?
Thank you in advance.
Gkiatis Kostakis
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