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Howard: What it sounds like you did was choose a custom non-linear basis function of [0 0 0] since it asked you for number of iterations. Instead you should choose NONE when asked the question about non-linear basis functions. Otherwise affine only normalization should work fine. regards, drg At 5:00 PM +0100 7/28/2000, Howard Rosen wrote: >Hello All. > >Does anyone know what the steps are to normalize an image using an affine >only transform in SPM99? I tried using zero nonlinear basis functions and >one nonlinear iteration (the lowest choice available) and the program did >not complete the operation (I am running on a Windows NT platform with >Matlab 5.3). > >Thanks in advance > >HOWIE ROSEN > >Howard Rosen, MD >Department of Neurology >Memory and Aging Center >University of California at San Francisco >350 Parnassus Avenue, Suite 501A, Box 1207 >San Francisco, CA, 94143-1207 >Ph: 415-476-6880 >Fax: 415-476-4800 >email: [log in to unmask] ------------------------------------------------------------------------- Darren R. Gitelman, M.D. Cognitive Neurology and Alzheimer's Disease Center E-mail: [log in to unmask] WWW: http://www.brain.northwestern.edu Voice: (312) 908-9023 Fax: (312) 908-8789 Northwestern Univ., 320 E. Superior St., Searle 11-470, Chicago, IL 60611 ------------------------------------------------------------------------- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%