It's probably the case that the surface did not intersect your volume, which probably means that the registration is wrong. Did you visually inspect the registration with tkregister2?
doug Joongnam Yang wrote: > > Hi, > > I would appreciate any comment on the following warning when I ran > mri_vol2surf. At the end there is a warning, which might be serious. > I ran lh and rh separately, and no warning message was issued for lh and > the following warning was only issued for rh. > . > . > . > Done > Mapping Source Volume onto Source Subject Surface > vol2surf_linear: nhits = 144115/149534 > Done mapping volume to surface > Number of source voxels hit = 4441 > Warning: all vertex values are zero > > _______________________________________________ > Freesurfer mailing list > [EMAIL PROTECTED] > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer -- Douglas N. Greve, Ph.D. MGH-NMR Center [EMAIL PROTECTED] Phone Number: 617-724-2358 Fax: 617-726-7422 _______________________________________________ Freesurfer mailing list [EMAIL PROTECTED] https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer