It uses the "vox2ras" matrix. You can get this with

mri_info --vox2ras-tkr f.nii

Take the inverse of this matrix and multiply it by the CRS

Oya, Hiroyuki wrote:

Hello Experts,

Transformation from Volume RAS to Functional RAS is done with anat2exf.reg.dat. But how does tkmedit calculate Functional index from Functional RAS ?

Thank you in advance.

Hiroyuki

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