Hi Michael I think the 3rd is the best. It's guaranteed to not self-intersect and be smooth, which the other two methods are not
cheers Bruce On Wed, 11 May 2016, Michael Waskom wrote: > Hi Freesurfers, > I have seen at least three ways for identifying an intermediate surface > between the white and pial surfaces: > > - Multiply the surface normal vector for each white surface vertex by half > of the cortical thickness and add it to each vertex coordinate > - Average the white and pial coordinates for each vertex > - Use mris_expand, e.g. `mris_expand -thickness lh.smoothwm 0.5 lh.graymid` > > I have found that these approaches all give similar, but not identical > results. > > Is there a consensus that one approach is best relative to the others? > > Thanks, > Michael > > _______________________________________________ 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.
