On 03/12/2015 09:54 AM, Krieger, Donald N. wrote:
>
> Dear List,
>
> I have sets of vectors in RAS coordinates from many volunteers.
>
> I want to transform them into coordinates for a standard volume.
>
> (1) I presume the standard volume that makes sense to use is orig.mgz 
> in $FREESURFER_HOME/subjects/fsaverage/mri.  Please confirm.
>
Yes
>
> (2)I presume that I can transform the vectors contained in subject N’s 
> .label files to talairaich coordinates using the transform in 
> $FREESURFER_HOME/subjects/subjectN/mri/transforms/talairach.xfm. 
> Please confirm.
>
Yes, though it is not easy to apply yourself. If you put the xyz into a 
label file, then you can use mri_label2label. Note that the xyz have to 
be in an FS coordinate system. See 
http://surfer.nmr.mgh.harvard.edu/fswiki/CoordinateSystems
>
> (3)What tool can I use to convert orig.mgz into a sequence of axial 
> cuts in some standard graphics format, e.g. gif, png, tiff?
>
I don't know of one.
>
> Thanks and best regards,
>
> Don
>
> Signature0001
>
> Don Krieger, Ph.D.
>
> Department of Neurological Surgery
>
> Universityof Pittsburgh
>
>
>
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-- 
Douglas N. Greve, Ph.D.
MGH-NMR Center
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