Hi Christine I think you do it the same way, just using -sval instead of -sval-xyz (since you are mapping a scalar field instead of the coordinates).
cheeers Bruce On Tue, 20 Dec 2011, Ecker, Christine wrote: > Dear FreeSurfer Experts, > > I would like to down-sample the pial surface of individual subjects to have > the same number of vertices as fsaverage6. I have done so using: > > mri_surf2surf --hemi lh --srcsubject 'subjectID' --sval-xyz pial > --trgsubject fsaverage6 --trgicoorder 6 --trgsurfval 'outputfilename' > > This worked well and the pial output surface has 40962 vertices. I now have > an overlay vector, which was computed on the down-sampled pial surface, > which I would like to map back to fsaverage6 in order to perform a group > comparison. > > Please could you advise on how to do this as all scripts I am aware of (e.g. > mris_preproc) use sphere.reg, which has ~150000 vertices. > > Many thanks, > Christine > > _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
