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

Description Usage Arguments Value Note See Also Examples

View source: R/read_fs_transform.R

Description

Load transformation matrix from an XFM file.

Usage

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Arguments

filepath

character string, the full path to the transform file.

Value

4x4 numerical matrix, the transformation matrix

Note

Currently this function has been tested with linear transformation files only, all others are unsupported.

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

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

freesurferformats documentation built on May 25, 2021, 5:10 p.m.