Hi Darren,
I agree with your warnings, and your suggestion to use NIfTI if at all
possible, but I think this is a little too strongly worded:
> Your violating the Analyze 7.5 format specification, which does
> not define -ve pixdim values. If any third-party software uses those
> data files with -ve pixdim values, almost anything could happen to your
> data.
avwhd $FSLDIR/etc/standard/avg152T1 | grep pixdim
reports a negative pixdim (pixdim1 = -2), and while it may be
non-standard in terms of Analyze *specifications*, it is rather
common, perhaps to the point of being "standard" in *practical* terms?
Anyway, I guess the short answer is once again "use NIfTI" ;-)
Best,
Ged.
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