mghheader.tkreg2scanner: Compute tkreg-RAS to scanner-RAS matrix from basic MGH header...
In freesurferformats: Read and Write 'FreeSurfer' Neuroimaging File Formats

Description Usage Arguments Value See Also Examples

This is also known as the 'tkreg2scanner' matrix. Note that this is a RAS-to-RAS matrix. It is the inverse of the 'scanner2tkreg' matrix, see mghheader.scanner2tkreg.

1	mghheader.tkreg2scanner(header)

header

the MGH header

4x4 numerical matrix, the transformation matrix

Other header coordinate space: mghheader.is.ras.valid(), mghheader.ras2vox.tkreg(), mghheader.ras2vox(), mghheader.scanner2tkreg(), mghheader.vox2ras.tkreg(), mghheader.vox2ras(), read.fs.transform.dat(), read.fs.transform.lta(), read.fs.transform.xfm(), read.fs.transform(), sm0to1(), sm1to0()

    brain_image = system.file("extdata", "brain.mgz",
                               package = "freesurferformats",
                               mustWork = TRUE);
    vdh = read.fs.mgh(brain_image, with_header = TRUE);
    mghheader.tkreg2scanner(vdh$header);