Hi Lucia

the first column being -1 means that it is not mapped to the surface, so is correct in your (subcortical) case. Try loading the label as an ROI in freeview and see if it is correct

cheers
Bruce
On Wed, 2 May 2018, Lucia Billeci wrote:


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Dear Brouce,


thanks again.
I would like exactly how to set mri_vol2label for subcortical regions as the 
way I used
give me all the values of the first column equal to -1. This is a problem when 
I want
to obtain obtain the centroid of the ROI using mri_surfcluster as I get an 
empty file. 

Hope Doug can help me.

Thanks 
Lucia

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

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
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 




      On 2 May 2018, at 16:01, Bruce Fischl <fis...@nmr.mgh.harvard.edu> wrote:

Hi Lucia

can you cc the list so others can answer? You can't get a surface-based label 
for
a subcortical region as they aren't on (or close) to the surrface. I think
mri_vol2label is the right binary to create a volumetric ROI for each one, but
Doug will know
cheers
Bruce

On Wed, 2 May 2018, Lucia Billeci wrote:

              External Email - Use Caution        
      Dear Bruce,
      thanks for your answer.
      I would like to obtain .label file for each subcortical  region. I
      have tried the commands I
      reported in the previous messages but probably they are not correct.
      Could you please indicate me
      the correct way to have the .label file for subcortical regions? I am
      not sure if
      using mri_vol2label is the right way or maybe there is another
      strategy.
      Thanks
      regards
      Lucia
      _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
      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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