Thanks once again for your help! The output was as follows; avwstats nodif_brain_mask -r -R -v -V 0.000000 1.000000 0.000000 1.000000 1507328 8524000.216897 292403 1653550.677372 avwstats ${basename}_FA -r -R -v -V 0.000000 0.000000 0.000000 0.000000 1507328 8524000.216897 0 0.000000 avwstats ${basename}_V1 -r -R -v -V 0.000000 1.000000 0.000000 1.000000 4521984 25572000.650692 292403 1653550.677372 avwinfo ${basename}_FA dim1 256 dim2 256 dim3 23 dim4 1 datatype 16 pixdim1 -0.9399999976 pixdim2 0.9399999976 pixdim3 6.4000000954 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 Hope this helps! Cheers Dave On Fri, 15 Oct 2004 10:57:51 +0100, Tim Behrens <[log in to unmask]> wrote: >Hi - yep this all looks ok. > >Can you run > >if you ran dtifit from the command line >basename=(whatever you specified as your output basename in dtifit) > >if you ran from the GUI: >basename=dti > >then.. > > >avwstats nodif_brain_mask -r -R -v -V > >avwstats ${basename}_FA -r -R -v -V >avwstats ${basename}_V1 -r -R -v -V > >avwinfo ${basename}_FA > >and tell me the output > >Thanks > >Tim > > > > > >