Hi- sounds like you didn't have the same number of timepoints
(subjects) in this non-FA dataset that you had in the original FA
analysis.
Cheers.
On 8 Nov 2007, at 23:27, Marc Dubin wrote:
> Hello FSL users,
>
> I am computing radial diffusivity as the voxelwise average of L2 and
> L3 with fslmaths. When I go
> through the procedure for running tbbs on my RD data (non_FA),
> everything goes fine until the
> skeletonization step and then I get the following error.
>
> Any help would be much appreciated.
>
> Thanks
>
> merging all upsampled RD images into single 4D image
> projecting all_RD onto mean FA skeleton
> Image Exception : #5 :: Out of Bounds (time index)
> terminate called after throwing an instance of
> 'RBD_COMMON::BaseException'
> /usr/local/fsl/bin/tbss_non_FA: line 104: 6506 Abort
> trap ${FSLDIR}/bin/tbss_skeleton -i
> mean_FA -p $thresh mean_FA_skeleton_mask_dst ${FSLDIR}/data/standard/
> LowerCingulum_1mm
> all_FA all_${ALTIM}_skeletonised -a all_$ALTIM
> now run stats - for example:
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Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
+44 (0) 1865 222726 (fax 222717)
[log in to unmask] http://www.fmrib.ox.ac.uk/~steve
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