Hedok, Hedok Lee wrote: > I had a similar problem before when I avwmerge DWI nifti files > converted by SPM. I'm using RH linux WS 4. Have you tried converting > the existing nifti files(16 bit int) into float using a method > described here > > http://www.jiscmail.ac.uk/cgi-bin/wa.exe?A2=ind0610&L=SPM&D=0&I=-3&P=13877 > > http://www.jiscmail.ac.uk/cgi-bin/wa.exe?A2=ind0610&L=SPM&D=0&I=-3&P=13989 > > > and avwmerge. Thanks for the tip. I was relieved to find out that it's not just my problem. > I'm also wondering if there is better way to do this. Actually, avwmerge++ seem to work correctly. I am sure many people on list are using avwmath++ utils, but I did not know that -- I am new to FSL. Best, -- Andrew V. Poliakov, Ph.D. Structural Informatics Group, Department of Biological Structure, University of Washington, Box 357420, Seattle, WA 98195 Voice: (206) 685 2154, Fax (206) 543 1524, E-mail: [log in to unmask]