mne.channels.read_polhemus_fastscan

mne.channels.read_polhemus_fastscan(fname, unit='mm', on_header_missing='raise', *, verbose=None)[source]

Read Polhemus FastSCAN digitizer data from a .txt file.

Parameters
fnamestr

The filepath of .txt Polhemus FastSCAN file.

unit‘m’ | ‘cm’ | ‘mm’

Unit of the digitizer file. Polhemus FastSCAN systems data is usually exported in millimeters. Defaults to ‘mm’.

on_header_missingstr

Can be 'raise' (default) to raise an error, 'warn' to emit a warning, or 'ignore' to ignore when the FastSCAN header is missing.

New in version 0.22.

verbosebool | str | int | None

If not None, override default verbose level (see mne.verbose() and Logging documentation for more). If used, it should be passed as a keyword-argument only.

Returns
pointsarray, shape (n_points, 3)

The digitization points in digitizer coordinates.