possible but not easy. You will need to get the surface vertex index number that maps to a given xyz. The easiest way to do that is to create a label, then use mri_label2label with the --paint option. You will still need to convert your xyz into the coordinates used on fsaverage. See https://surfer.nmr.mgh.harvard.edu/fswiki/CoordinateSystems

On 07/03/2018 07:32 AM, Lukas Kunz wrote:

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Dear Freesurfers,

is it possible to convert a text file (containing x/y/z-coordinates and corresponding values) into a Freesurfer surface file to display it on a standard volume (e.g., fsaverage)?

Thanks in advance!

Luke

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