Hi Ken, Hmm, not sure. Does it give a reason why it cannot be loaded? Could be read permissions, could be corrupted.
Generally the commands look good. You could also try to check the subject SPC on the base-template surface. Those files should also be there in the base dir. Best, Martin > On 31. Aug 2020, at 04:02, KennethSPrice <kennethspr...@protonmail.com> wrote: > > > > > Hello Freesurfers! > > I am working through the longitudinal tutorial found here: > https://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/LongitudinalTutorial > <https://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/LongitudinalTutorial> > > To keep it simple, I ran longitudinal processing on 2 timepoints for one > subject. My qdec file had only two entries. I would like to look at pct > difference in thickness for one subject. I ran > > long_mris_slopes --qdec qdec.dat --meas thickness --hemi lh --do-avg > --do-rate --do-pc1 --do-spc --do-stack --do-label --time years --qcache > fsaverage --sd $SUBJECTS_DIR > > When I run the overlay I get an error saying that "the overlay cannot be > loaded", although the file exists. > > freeview -f > $FREESURFER_HOME/subjects/fsaverage/surf/lh.pial:overlay=$SUBJECTS_DIR/OAS2_0001/surf/lh.long.thickness-spc.fwhm15.fsaverage.mgh:overlay_threshold=2,5 > > First of all, is this method sound in order to visualize pct change in > thickness for one subject? If so, why is the overlay not loading? > > Best, > Ken > > > Sent with ProtonMail <https://protonmail.com/> Secure Email. > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
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