Probably easier to use mris_apply_reg, something like
mris_apply_reg --src lh.w-g.pct.mgh --trg xhemi.lh.w-g.pct.mgh \
--streg $SUBJECTS_DIR/$subject/surf/lh.fsaverage_sym.sphere.reg \
$SUBJECTS_DIR/fsaverage_sym/surf/lh.sphere.reg
mris_apply_reg --src rh.w-g.pct.mgh --trg xhemi.rh.w-g.pct.mgh \
--streg $SUBJECTS_DIR/$subject/xhemi/surf/lh.fsaverage_sym.sphere.reg \
$SUBJECTS_DIR/fsaverage_sym/surf/lh.sphere.reg
In the 2nd command line (for rh), lh.fsaverage_sym.sphere.reg is used.
This is intentional; the left hemis in the xhemi folder are actually
right hemis.
doug
On 2/11/15 4:12 PM, Bruce Fischl wrote:
> Hi Konrad
>
> you should be able to do this with mri_surf2surf, although the syntax
> might be tricky.
>
> cheers
> Bruce
> On Mon, 9 Feb 2015, Konrad Wagstyl wrote:
>
>> Hi all,
>>
>> We're having some trouble using interhemispheric registration. It works fine
>> for files that are automatically registered eg thickness, volume etc. but
>> not for mgh files, like ?h.w-g.pct.mgh.
>> Is there a way of adding files to xhemi/surf/ so that other surfaces files
>> can be compared between hemispheres?
>>
>> Thanks,
>> Konrad
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