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Dear Freesurfer Experts,

I want to use mri_vol2label to obtain labels for subcortical regions. 

I tried the following command:

mri_vol2label --c $SUBJECTS_DIR/fsaverage/mri/aseg.mgz --id 8 --l 
./tests_label/8.label

However I get the same vertex index for all the row, equal to -1:

-1  -14.000  -92.000  -31.000 0.0000000000
-1  -17.000  -92.000  -31.000 0.0000000000
-1  -18.000  -92.000  -31.000 0.0000000000

This happens for all the regions I selected.

I have also tried adding the option —surf, as you suggested in previous posts:

mri_vol2label --c $SUBJECTS_DIR/fsaverage/mri/aseg.mgz --id 8 --l 
./tests_label/8.label --surf fsaverage lh white

But I have the following error message:

ERROR: dim mismatch between surface (163842) and input (16777216)

Could you please help me?

Thanks a lot in advance
Best regards
Lucia Billeci
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Dr. Lucia Billeci, PhD
Institute of Clinical Physiology (IFC) National Research Council (CNR)
via Moruzzi 1, 56124, Pisa, Italy
e-mail: lucia.bill...@ifc.cnr.it
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