Hi Doug,
Thanks for the quick reply. A few more details:
> What do you mean by "position" (AC/PC)? Do you mean the col, row,
slice? We don't find the actual AC or PC.
Yes: 3D coordinates in any identified coordinate systems. For now, we
are asking our users to mark those points manually. It would be great to
skip that step and have those points placed automatically. We could get
the AC point from the linear Talairach transform.
To transform the TalXYZ=(0,0,0) for AC to the coordinate system of the
surfaces (for instance: lh.pial), should I take the translation found in
the file "talairach.xfm" (4th column) ?
> What file should I read to get the labels corresponding to the
aseg.mgz file?
> $FREESURFER_HOME/ASegStatsLUT.txt
Is there a file in the segmentation folder I could read it from?
We are typically using the results of freesurfer segmentation on
computers where FS is not installed...
> Is there an easy way to generate surfaces for all the regions
defined in aseg.mgz?
Ok, mri_tesselate + mris_smooth work well for what I'm doing.
Thanks
Francois
--
François Tadel, MSc
MEG / McConnell Brain Imaging Center / MNI / McGill University
3801 rue University, Montreal, QC H3A2B4, Canada
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