Flip coordinates in MNI nonlinear asym

[Chris]

Dear LEAD-DBS team,

Is there a quick solution to flip coordinates in MNI nonlin asym space between hemispheres in MATLAB?
I found this function in the manual:
ea_flip_lr_nonlinear(from,to,interp)
ea_flip_lr_nonlinear(‘/Computer/Desktop/spherical_rois/DBS_ET.nii’,’/Computer/spherical_rois/DBS_ET_flipped_to_right.nii’,1);

As far as I understand, this requires spherical ROIs as an .nii input (which files exactly do I need to plug in here?). Is there an easier way to transform contact coordinates directly without working with .nii files?

Thanks for your help and best wishes,
Chris

[Author]

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