What date type is your volume? Is it uchar? If so, a value of 570 would overflow.

Ruopeng

On 07/20/2014 12:25 PM, Tracy Riggins wrote:

Hello Freesurfer experts

I am trying to edit an aseg file.  I want to set my brush value to a value that does not exist in the default lookup table (e.g,. 570).  So, I edited the lookup table, saved this , and loaded it in freeview.  My new label and brush value is now visible.  However when I set the brush value to this value/label (both the main GUI window and edit voxel window say “Brush value = 570”) and draw on the aseg file it does not use this brush value.  It uses a different value (eg 48).  I can’t seem to figure out why.  Any thoughts?

Thanks in advance,

Tracy

 

Tracy Riggins, Ph.D.

Assistant Professor
Department of Psychology

BPS 2147J
University of Maryland

College Park, MD 20742
Office: (301) 405-5905

Fax: (301) 314-9566

http://ncdl.umd.edu

riggins@umd.edu

 



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