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Supported formats for digitized 3D locations
MNE-Python can load 3D point locations obtained by digitization systems. Such files allow to obtain a :class:`montage <mne.channels.DigMontage>` that can then be added to :class:`~mne.io.Raw` objects with the :meth:`~mne.io.Raw.set_montage`. See the documentation for each reader function for more info on reading specific file types.
| Vendor | Extension(s) | MNE-Python function |
|---|---|---|
| Neuromag | .fif | :func:`mne.channels.read_dig_fif` |
| Polhemus ISOTRAK | .hsp, .elp, .eeg | :func:`mne.channels.read_dig_polhemus_isotrak` |
| EGI | .xml | :func:`mne.channels.read_dig_egi` |
| MNE-C | .hpts | :func:`mne.channels.read_dig_hpts` |
| Brain Products | .bvct | :func:`mne.channels.read_dig_captrak` |
| Compumedics | .dat | :func:`mne.channels.read_dig_dat` |
To load Polhemus FastSCAN files you can use :func:`montage <mne.channels.read_polhemus_fastscan>`.
It is also possible to make a :class:`montage <mne.channels.DigMontage>` from arrays with :func:`mne.channels.make_dig_montage`.