Hi Ryan
I'm not sure why you would have a surface with 73K vertices on fsaverage. Why not use one of the ico representations (40K or 160K vertices)? In any case, mri_surf2surf should do the trick, although you will probably need to create a new subject with a set of 73K vertex surfaces
cheers Bruce On Mon, 1 Jul 2019, Nillo, Ryan Michael R wrote:
Hello Freesurfer users/developers, I have surface with ~73,400 vertices generated from the Freesurfer version 6 fsaverage brain, left hemisphere. I have a surface map that was created by mapping a volume to the fsaverage white surface. Is there a way to map the surface map to the new surface with less vertices? Is there a way to map values from the 73,000 vertices-map to the standard fsaverage pal surface?
Thanks in advance,
Ryan Michael Nillo Staff Research Associate I University of California San Francisco Department of Radiology and Biomedical Imaging