Try

mris_convert -n lh.white lh.white.norm.asc

On 3/6/2020 11:07 AM, Jedy wrote:

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Dear FreeSurfer friends,

Does anybody know how to extract vertex information of lh.white and lh.pial?  I would like to extract normal vector and other information of each vetex.

I would be very appreciated if someone can give me some suggestions.

Thank you very much!

Best

-jedy

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