You can create a ribbon volume with the command below:
mris_volmask \
--label_left_white 2 --label_left_ribbon 3 \
--label_right_white 41 --label_right_ribbon 42 \
--save_ribbon --save_distance youraveragesubject
Note this when you make the aparc+aseg in this way, it should only be
used when visualizing data on the mni305 brain. Don't extract volumes,
etc. If you want to use one of the surface parcellations, do a
surface-based analysis.
doug
On Sat, 17 Jul 2010, liang wang wrote:
> Hi,
>
> When I use make_average_subject to generate an average data, I can't find
> aparc.a2009s+aseg.mgz within the new average/mri. To get common parcellation
> to all subjects, I need to create this file. I understand that "
> mri_aparc2aseg --s average --a2009s
> " enable to perform what I want. However, when running this command, a error
> message shows up "ERROR: cannot find
> /drive3/Stammer/Thickness/average/mri/ribbon.mgz". As displayed by this
> message, I did not find the ribbon.mgz file. I don't konw how to figure out
> this problem. Any suggestions?
> By the way, my make_average_surface file is updated by Nick's new one. And
> it does not include ribbon.mgz before updating.
>
> Liang
>
>
--
Douglas N. Greve, Ph.D.
MGH-NMR Center
gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358
Fax: 617-726-7422
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