can you send your command line and terminal output?
On 04/11/2018 05:41 AM, Frauke Beyer wrote: > Dear experts, > > I have an issue with mri_surf2surf (i suspect). I have resampled > T1-values to the fsaverage template using mri_vol2surf and a --projfrac > of 0.25 with the default white matter surface. Then I loaded these > values in Matlab using MRIread, inverted them and saved them back into a > file using MRIwrite. In Matlab, there were no suspicious data points > (e.g. the range of R1 values excluded 0, minimum was 0.25). This was > also true when loading the R1values as an overlay in Freeview. Now I > wanted to smooth this image using mri_surf2surf with target and source > subject being identical to fsaverage and fwhm of 10mm. > > exact command was: mri_surf2surf --srcsubject fsaverage --trgsubject > fsaverage --hemi lh --sval > /nobackup/aventurin4/data_fbeyer/flica_myelin/flica_inputs/round2/t1maps/lh.t1map.proj0.25.fsavg_inv.mgh > --tval > /nobackup/aventurin4/data_fbeyer/flica_myelin/flica_inputs/round2/t1maps/lh.t1map.proj0.25.fsavg_inv_smoothed10mm.mgh > --fwhm-trg 10 > > But now, while it worked fine for some subjects in the 4D file for > others large areas of 0 emerged in the smoothed file. Those were mostly > found in inferior temporal/orbitofrontal lobe. > > Does anybody have an idea what could cause this strange behaviour? > > Thank you so much for your help, > > Frauke > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer _______________________________________________ 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.