The --vox2ras-tkr transform will take you to voxel space in the 
conformed coordinates (not the raw input). Is this good enough?
doug

Steffen Bollmann wrote:
> Dear freesurfer experts,
>
> I would like to display freesurfer surfaces in the voxelspace of the 
> original subject image using matlab.
>
> Which coordinate transformation do I have to apply to get the 
> vertex-coordinates to the RAS space and finally to the original 
> voxelspace of the subject? (i guess for RAS2Vox I can use the matrix I 
> can obtain with mri_info ... but I cannot find a way from 
> vertex-coordinates to RAS)
>
> Thank you for any hint
> Best Regards
> Steffen Bollmann
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>
>
>   

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