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Hi - sorry I don't understand what you're saying. FA is a scalar map, so there is no x,y,z component to it. Saad On 5 Apr 2013, at 00:03, Nucleos P wrote: > Hi Saad, > > I have used the fslroi tool to extract voxel masks with specific x,y,x coordinates. > > To exclude the x and y vector maps to get the z vector map what parameters would I choose? > > fslroi <input> <output> <xmin> <xsize> <ymin> <ysize> <zmin> <zsize> > > My input would be the all_FA.nii > > ...any suggestions? > > Thank you, > Catherine > > > > > On Thu, Apr 4, 2013 at 4:12 AM, Saad Jbabdi <[log in to unmask]> wrote: > Hi - you can use fslroi for this. > > Saad > > On 3 Apr 2013, at 22:58, Nucleos P wrote: > >> Hello experts - >> >> Would you happen to know any programs or scripts that could help create individual x, y, z vector maps from a primary eigenvector map? >> >> Currently, I use FSL and get both dyads1* output from the bedpostx and V1 output from dtifit. >> >> >> I would like to find a way to extract the 3 vector components from the maps. >> >> >> Thanks in advance for your time and help, >> Catherine > > -- > Saad Jbabdi > University of Oxford, FMRIB Centre > > JR Hospital, Headington, OX3 9DU, UK > (+44)1865-222466 (fax 717) > www.ndcn.ox.ac.uk/team/researchers/saad-jbabdi > > > > > > > > > > > > -- Saad Jbabdi University of Oxford, FMRIB Centre JR Hospital, Headington, OX3 9DU, UK (+44)1865-222466 (fax 717) www.ndcn.ox.ac.uk/team/researchers/saad-jbabdi