Hi Alain

I believe  if you specify the transform as identity.nofile that should do
the trick. Most of our tools accept this

cheers
Bruce
On Tue, 27 Sep 2016, Alain Imaging
wrote:

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> ____________________________________________________________________________
> De : Alain Imaging <alain_imaging@outlook.com>
> Envoyé : lundi 26 septembre 2016 17:17
> À : freesurfer@nmr.mgh.harvard.edu
> Objet : volume to surface for ROI already in orig space  
>
> Hi everyone,
>
>
> I've used a couple of ROIs that have been drawn in the mni space for
> connectivity analysis. Since I have my connectivity results shown on a
> surface, I want to show the ROIs in the same way.
>
> I have checked with freeview, and the ROIs are correctly placed in the
> fsaverage/orig.mgz space.
>
> I wanted to use mri_vol2surf in order to reach my aim, however this command
> require a transformation matrix, and in this particular case I don' really
> know which one to use, as I don't want to change space. I thought that maybe
> i could provide an identity matrix, but I don't know what would it be an
> acceptable format for it.
>
>
> Have you got any suggestion ?
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>
> Alain
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>