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Dear FSLers,

I tried to merge  3D volumes into one 4D using avwmerge.  It rescaled 
the intensity values as can be seen here:

4D:
http://stylus.biostr.washington.edu/epilepsy/.data/Epilepsy_Dev1/dti/dev1_dti.nii.gz

3D:
http://stylus.biostr.washington.edu/epilepsy/.data/Epilepsy_Dev1/dti/dev1_dti033.nii
http://stylus.biostr.washington.edu/epilepsy/.data/Epilepsy_Dev1/dti/dev1_dti034.nii
...

I am running most recent binary FSL distribution on linux redhat 
Enterprise.  Should I recompile?  Anything wrong with my nifti files?  
SPM5 3D->4D utility did not have this problem.

I would greatly appreciate your suggestions.
 

-- 
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]