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allows for renaming channel names saved to the csv file. #272

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merged 1 commit into from
Oct 3, 2024
Merged

allows for renaming channel names saved to the csv file. #272

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12 changes: 10 additions & 2 deletions eegnb/devices/eeg.py
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Original file line number Diff line number Diff line change
Expand Up @@ -66,12 +66,16 @@ def __init__(
mac_addr=None,
other=None,
ip_addr=None,
ch_names=None
):
"""The initialization function takes the name of the EEG device and determines whether or not
the device belongs to the Muse or Brainflow families and initializes the appropriate backend.

Parameters:
device (str): name of eeg device used for reading data.

ch_names (array_like or None): array containing custom specified channel names. Useful for custom montagues
like when external electrodes are used.
"""
# determine if board uses brainflow or muselsl backend
self.device_name = device
Expand All @@ -85,6 +89,7 @@ def __init__(
self.n_channels = len(EEG_INDICES[self.device_name])
self.sfreq = SAMPLE_FREQS[self.device_name]
self.channels = EEG_CHANNELS[self.device_name]
self.ch_names = ch_names

def initialize_backend(self):
if self.backend == "brainflow":
Expand Down Expand Up @@ -346,8 +351,11 @@ def _brainflow_extract(self, data):
# transform data for saving
data = data.T # transpose data

# get the channel names for EEG data
if (
# explicitly assign channel names for EEG data
if self.ch_names is not None:
ch_names = self.ch_names
# automatically assign the channel names for EEG data
elif (
self.brainflow_id == BoardIds.GANGLION_BOARD.value
or self.brainflow_id == BoardIds.GANGLION_WIFI_BOARD.value
):
Expand Down
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