mne.channels.read_dig_polhemus_isotrak#
- mne.channels.read_dig_polhemus_isotrak(fname, ch_names=None, unit='m')[source]#
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_names
None
|list
ofstr
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.
- montageinstance of