mne.channels.read_dig_polhemus_isotrak

mne.channels.read_dig_polhemus_isotrak(fname, ch_names=None, unit='m')

Read Polhemus digitizer data from a file.

Parameters:

fnamepath-like

The filepath of Polhemus ISOTrak formatted file. File extension is expected to be '.hsp', '.elp' or '.eeg'.

ch_namesNone | list of str

The names of the points. This will make the points considered as EEG channels. If None, channels will be assumed to be HPI if the extension is '.elp', and extra headshape points otherwise.

unit'm' | 'cm' | 'mm'

Unit of the digitizer file. Polhemus ISOTrak systems data is usually exported in meters. Defaults to 'm'.

Returns:

montageinstance of DigMontage

The montage.

See also

DigMontage

make_dig_montage

read_polhemus_fastscan

read_dig_captrak

read_dig_dat

read_dig_egi

read_dig_fif

read_dig_localite