Hi David, did you check the help within mri_surf2surf? Run mri_surf2surf
--help. I think it has an example of what you want to do.
doug

On 08/30/2013 06:57 PM, David Romano wrote:
> Hi everyone,
>
> In an earlier post, I had asked how to transform the white surface of
> one subject to the white surface of another subject, and Bruce Fischl
> suggested mri_surf2surf should be able to do this.   After looking
> over the website material related to mri_surf2surf, I find I'm not
> sure how mri_surf2surf works, and so am still not sure how to proceed.
>
> As a starting point, suppose we have the file lh.sphere.reg for each
> of two subjects, A and B, and consider, say, vertex 1 of subject A.
> Here is what I understand: This vertex maps to a point P on the sphere
> that has coordinates given in subjects A's lh.sphere.reg file.  The
> point P is contained in some closed triangle T from B's mesh, as that
> mesh appears in B's lh.sphere.reg file.  This triangle is formed from
> three points on the sphere that correspond to three vertices that
> appear in B's lh.white file.   These three vertices thus form a
> triangle T' in B's native volume space, and thus the point P contained
> in T corresponds to a point P' in B's native volume space that is
> contained in T'.
>
> So here is my question:  How would I used mri_surf2surf to find the
> coordinates (in B's native volume space) of the point P'?
>
> Thanks in advance for you help in clarifying this for me.
>
> Best regards,
> David Romano
>
>
>
>
>

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--
Douglas N. Greve, Ph.D.
MGH-NMR Center
greve@nmr.mgh.harvard.edu
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