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Thank you, Steve. When I load a zstat1.nii image into Matlab I get a 128x256x256 matrix (img). I assume the indices correspond to the x, y and z coordinates. However, when I look at the the value of, let's say img(35,134,135) I get a slightly different value in Matlab (value=6.2477) than when looking up the same x,y,z voxel coordinates with FSLview (value=6.49102). Does anyone why that's the case? Thaks, Sandy Steve Smith <[log in to unmask]> wrote: Indeed - you could do this by hand in FSLView, or yes matlab is a good option, you can use the save_avw etc function in $FSLDIR/etc/ matlab to save to file. Cheers. On 18 Feb 2007, at 22:08, [log in to unmask] wrote: > Hi FSLers, > > I was wondering if anybody could point me into the rigth direction > with my question. I want to write specific values directly to xyz > coordinates in a nifti file. Are there UNIX or Matlab based > programs/scripts you can recommend that will do that in a somewhat > straighforward manner? > > Thanks a lot, > > Sandy > > The fish are biting. > Get more visitors on your site using Yahoo! Search Marketing. ------------------------------------------------------------------------ --- Stephen M. Smith, Professor of Biomedical Engineering Associate Director, Oxford University FMRIB Centre FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK +44 (0) 1865 222726 (fax 222717) [log in to unmask] http://www.fmrib.ox.ac.uk/~steve ------------------------------------------------------------------------ --- --------------------------------- Never Miss an Email Stay connected with Yahoo! Mail on your mobile. Get started!