Hi Mahinda, you need to tell mri_cor2label that this is a surface with the --surf fsaverage lh white You can propagate this label to other subjects using mri_surf2surf.
doug On 11/04/2012 10:08 PM, Mahinda Yogarajah wrote: > Dear Experts, > > I am trying to "back-normalise" significant clusters identified in a > qdec analysis (2 groups, thickness as main variable of interest) back > into individual subjects so that I can derive cortical statisitcs. > > As per previous posts I have been trying to use mri_cor2label but am > running into some problems. My processing is as follows: > > 1) Identify file of interest which contains 3 clusters (labelled > 1.000000 to 3.000000 as viewed in tksurfer and on qdec text output > following analysis) significant using Monte Carlo correction 0.05 - > mc-z.abs.th13.sig.ocn.annot > > 2) mri_cor2label --i mc-z.abs.th13.sig.ocn.annot --id 2 --l cluster2 > > This produces a file called cluster2.label but when I try loading it > into tksurfer (tksurfer fsaverage lh inflated - followed by loading of > label in menu system) I get the following error message which prevents > me from double checking the label: > > % ********************0 nonzero vertices found ******************** > > label stat field identically zero - setting to 1 > > 1890 unassigned vertices in label - building spatial LUT... > > assigning vertex numbers to label... > > Couldn't assign 1617 vertices. > > 1617 unassigned vertices in label - building spatial LUT... > > assigning vertex numbers to label... > > Couldn't assign 1617 vertices. > > > My questions are: > > 1) Why does this occur ? > > 2) How can I convert my qdec results (eg. mc-z.abs.th13.sig.ocn.annot > to label files which I can then propagate to all subjects using > mri_label2label). > > Thanks. > > Mahinda > > > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer -- 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 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.