plot_mne_create_raw_from_array.py

"""
========================================
Create a fiff file from arbitrary inputs
========================================

This example creates random data and writes them to a fiff file.
"""
print(__doc__)

# Authors: Denis Engemann <denis.engemann@gmail.com>
#
# License: BSD (3-clause)

import mne

import numpy as np

rng = np.random.RandomState(42)

data = rng.random_sample((248, 2000))

sfreq = 1e3

ch_types = ['misc'] * 248

ch_names = ['MISC {:03d}'.format(i + 1) for i in range(len(ch_type))]

info = mne.create_info(ch_names=ch_names, sfreq=sfreq, ch_types=ch_types)

raw = mne.io.RawArray(data, info)

raw.save('misc.fif')