Use mri_label2label specifying the source and target subjects to be the 
same, a regmethod as surface, and select the --outmask option

On 04/01/2016 11:37 AM, Afzal, Afsana wrote:
> Hi Doug,
>
> I'm trying to map a cortical label onto the surface (i.e. extract a nifti 
> file for a particular label). So instead of a label.label file, it's a 
> label.nii that I can load in as an overlay in, say, tksurfer. Is there a way 
> to do this using freesurfer commands?
>
> ______________________________
> Afsana Afzal
> Clinical Research Coordinator
> Massachusetts General Hospital
> Division of Neurotherapeutics
> Department of Psychiatry: Neurosciences
> 149 13th St, Room 2612
> Charlestown, MA 02129
> Phone: 617-643-5129
> Fax: 617-726-4078
>
> ________________________________________
> From: freesurfer-boun...@nmr.mgh.harvard.edu 
> [freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Douglas N Greve 
> [gr...@nmr.mgh.harvard.edu]
> Sent: Monday, March 28, 2016 11:16 AM
> To: freesurfer@nmr.mgh.harvard.edu
> Subject: Re: [Freesurfer] Mismatch in dimensions using mri_label2vol
>
> Sorry, what are you trying to do? mri_label2vol maps a label (ie, ROI,
> segmentataion, annotation) into a volume space. Do you just want to map
> the surface overlay (fmcpr.sm4.fsaverage.lh.b0dc.nii) into the volume
> space? If so, use mri_surf2vol. You can use the version below (using
> method1 from the help)
>
> ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/mri_surf2vol
>
>
> On 03/28/2016 10:13 AM, Afzal, Afsana wrote:
>> Hi, Just wanted to follow up on the issue below regarding the
>> dimension of the mri_label2vol output.
>>
>>
>> Hi,
>>
>> I'm using mri_label2vol with the parameters below but the output .nii
>> volume has the shape 163842x1x1 while the input volume is27307x1x6.
>> This dimension mismatch is causing issues in our gPPI pipeline.
>>
>> How can I generate a .nii output file with the27307x1x6 dimension?
>>
>> mri_label2vol
>>      --temp fmcpr.sm4.fsaverage.lh.b0dc.nii (output file generated from
>> preproc step)
>>      --label label_name.label
>>      --o label_name.nii
>>      --identity
>>
>> Thanks,
>>
>> Afsana
>> ______________________________
>> *Afsana Afzal*
>> Clinical Research Coordinator
>> Massachusetts General Hospital
>> Division of Neurotherapeutics
>> Department of Psychiatry: Neurosciences
>> 149 13th St, Room 2612
>> Charlestown, MA 02129
>> Phone: 617-643-5129
>> Fax: 617-726-4078
>> ------------------------------------------------------------------------
>> *From:* freesurfer-boun...@nmr.mgh.harvard.edu
>> [freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Afzal, Afsana
>> [aaf...@mgh.harvard.edu]
>> *Sent:* Wednesday, March 23, 2016 2:44 PM
>> *To:* freesurfer@nmr.mgh.harvard.edu
>> *Subject:* [Freesurfer] Mismatch in dimensions using mri_label2vol
>>
>> Hi,
>>
>> I'm using mri_label2vol with the parameters below but the output .nii
>> volume has the shape 163842x1x1 while the input volume is27307x1x6.
>> This dimension mismatch is causing issues in our gPPI pipeline.
>>
>> How can I generate a .nii output file with the27307x1x6 dimension?
>>
>> mri_label2vol
>>      --temp fmcpr.sm4.fsaverage.lh.b0dc.nii (output file generated from
>> preproc step)
>>      --label label_name.label
>>      --o label_name.nii
>>      --identity
>>
>> Thanks,
>>
>> Afsana
>>
>> ______________________________
>> *Afsana Afzal*
>> Clinical Research Coordinator
>> Massachusetts General Hospital
>> Division of Neurotherapeutics
>> Department of Psychiatry: Neurosciences
>> 149 13th St, Room 2612
>> Charlestown, MA 02129
>> Phone: 617-643-5129
>> Fax: 617-726-4078
>>
>>
>> _______________________________________________
>> Freesurfer mailing list
>> Freesurfer@nmr.mgh.harvard.edu
>> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
> --
> Douglas N. Greve, Ph.D.
> MGH-NMR Center
> gr...@nmr.mgh.harvard.edu
> Phone Number: 617-724-2358
> Fax: 617-726-7422
>
> Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
> FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2
> www.nmr.mgh.harvard.edu/facility/filedrop/index.html
> Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/
>
> _______________________________________________
> Freesurfer mailing list
> Freesurfer@nmr.mgh.harvard.edu
> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
>
> _______________________________________________
> Freesurfer mailing list
> Freesurfer@nmr.mgh.harvard.edu
> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
>
>

-- 
Douglas N. Greve, Ph.D.
MGH-NMR Center
gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358
Fax: 617-726-7422

Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2
www.nmr.mgh.harvard.edu/facility/filedrop/index.html
Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/

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