freesurferformats (version 0.1.18)

read.fs.transform.lta: Load transformation matrix from a FreeSurfer linear transform array (LTA) file.

Description

Load transformation matrix from a FreeSurfer linear transform array (LTA) file.

Usage

read.fs.transform.lta(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.xfm(), read.fs.transform(), sm0to1(), sm1to0()

Examples

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