Hi Feng-Xian,

the coordinates are native RAS. You can use mri_surf2surf to convert the 
surface to tal coords with the talairach.xfm.

cheers,
Bruce

On Mon, 20 Jul 2009, Feng-Xian 
wrote:

>
> Hi,
>   I have two problems want to solve.
> First, I want to know what coordinates it is, when I type the following
> command.
>     mris_convert -c lh.thickness lh.white lh.thickness.asc
> Is it Tal coordinate??
>
> Second, if the asc file doesn't use Tal coordinate, what commands do I type
> to obtain ? Bcause I really want to get the thickness asc with Tal
> coordinate.
>
> Thank you in advance!
>
> Feng-Xian
>
>
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