Yea, or leave out the --trgsubject all together or spec fsaverage3 as the target. doug
Bruce Fischl wrote: > I'll leave this for Doug, but it may be that the target subject has to > be fsaverage (which is the only one that is actually an icosahedron) > > cheers > Bruce > On Thu, 8 Dec 2011, John Griffiths wrote: > >> Hi Bruce. >> That seems to help - this command runs with no errors >> >> mri_surf2surf --hemi lh --srcsubject CBU070282 --sval-xyz white >> --trgsubject CBU070282 --trgicoorder 3 --trgsurfval >> white_trgicoorder3 --tval-xyz >> >> >> But unfortunately the --trgicoorder flag doesn't seem to be doing >> anything; >> when I run mris_info on the outputs of this command it says >> 'nvertices' is >> the same as the original file, for whatever value of trgicoorder I >> use. The >> files are the same size as well. >> >> Any idea why this might be happening? >> >> Thanks, >> john >> >> >> >> On 8 December 2011 14:45, Bruce Fischl <fis...@nmr.mgh.harvard.edu> >> wrote: >> Hi John >> >> try adding --tval-xyz so that it knows you want to write out a >> surface. >> >> cheers >> Bruce >> >> On Thu, 8 Dec 2011, John Griffiths wrote: >> >> Dear FS peeps, >> >> >> I am trying to downsample a (white matter) surface >> with mri_surf2surf. I >> also want the output in .tri format. >> >> First problem is that mri_surf2surf doesn't let me >> output in .tri format >> >> mri_surf2surf --hemi lh --srcsubject subj1 >> --sval-xyz white >> --trgsubject subj1 --trgicoorder 4 --trgsurfval >> subj1_white_downsampled.tri --tfmt tri >> >> >> gives me >> >> ERROR: could not determine type of >> temp_surf_white.tri >> >> >> (that happens with the 'tfmt' flag or not) >> >> The command does work when the output is a .gii or >> .mgh file, but when I >> then try to convert those files to .tri format with >> mris_convert I get the >> error >> >> ERROR: MRISread: cannot read surface data from >> file >> subj1_white_downsampled.gii! >> >> >> ...which is also the error I get when trying to load >> the file into freeview >> as a surface. >> >> >> >> Any idea what I'm doing wrong here? If there is a >> better way to >> convert lh.white into a downsampled .tri file please >> do tell. >> >> >> Thanks very much, >> john >> >> >> >> (p.s. thanks to Dan, Doug, and Bruce for getting me >> to this point...) >> >> >> >> >> >> >> 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. >> >> >> >> -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer