freesurferformats (version 0.1.18)

read.fs.transform.xfm: Load transformation matrix from an XFM file.

Description

Load transformation matrix from an XFM file.

Usage

read.fs.transform.xfm(filepath)

Value

4x4 numerical matrix, the transformation matrix

Arguments

filepath

character string, the full path to the transform file.

See Also

Other header coordinate space: mghheader.is.ras.valid(), mghheader.ras2vox.tkreg(), mghheader.ras2vox(), mghheader.scanner2tkreg(), mghheader.tkreg2scanner(), mghheader.vox2ras.tkreg(), mghheader.vox2ras(), read.fs.transform.dat(), read.fs.transform.lta(), read.fs.transform(), sm0to1(), sm1to0()

Examples

    tf_file = system.file("extdata", "talairach.xfm",
                               package = "freesurferformats",
                               mustWork = TRUE);
    transform = read.fs.transform.xfm(tf_file);
    transform$matrix;