afni.nimh.nih.gov

Oh, sorry. That option is not available in your old binaries...

Yes, unless this is a bad time for it, you should update and
try things again.

Actually, you could convert your mask dataset to shorts and
try again (3dcalc -a T1_mask+orig -expr a -datum short -prefix mask.short).
But it does not really matter if updating is okay for you.

- rick



Edited 1 time(s). Last edit at 11/25/2012 07:28PM by rick reynolds.