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IO: Support for Neuroelectrics EEG with EEGLAB plugin (.easy, .nedf)
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| Original file line number | Diff line number | Diff line change |
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| % Brainstorm | ||
| % v. 3.220108 (08-Jan-2022) | ||
| % v. 3.220109 (09-Jan-2022) |
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| function [DataMat, ChannelMat] = in_data_neuroelectrics(DataFile) | ||
| % IN_DATA_MUSE_CSV: Imports a Neuroelectrics .easy/.info or .nedf file, using EEGLAB plugin. | ||
| % | ||
| % File formats specification: | ||
| % https://www.neuroelectrics.com/wiki/index.php/Files_%26_Formats | ||
| % | ||
| % EEGLAB plugin: | ||
| % https://sccn.ucsd.edu/eeglab/plugin_uploader/plugin_list_all.php | ||
| % | ||
| % USAGE: [DataMat, ChannelMat] = in_data_neuroelectrics(DataFile, sfreq=[ask], isInteractive=0); | ||
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| % @============================================================================= | ||
| % This function is part of the Brainstorm software: | ||
| % https://neuroimage.usc.edu/brainstorm | ||
| % | ||
| % Copyright (c) University of Southern California & McGill University | ||
| % This software is distributed under the terms of the GNU General Public License | ||
| % as published by the Free Software Foundation. Further details on the GPLv3 | ||
| % license can be found at http://www.gnu.org/copyleft/gpl.html. | ||
| % | ||
| % FOR RESEARCH PURPOSES ONLY. THE SOFTWARE IS PROVIDED "AS IS," AND THE | ||
| % UNIVERSITY OF SOUTHERN CALIFORNIA AND ITS COLLABORATORS DO NOT MAKE ANY | ||
| % WARRANTY, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF | ||
| % MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, NOR DO THEY ASSUME ANY | ||
| % LIABILITY OR RESPONSIBILITY FOR THE USE OF THIS SOFTWARE. | ||
| % | ||
| % For more information type "brainstorm license" at command prompt. | ||
| % =============================================================================@ | ||
| % | ||
| % Authors: Francois Tadel, 2022 | ||
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| % ===== INSTALL EEGLAB PLUGIN ===== | ||
| if ~exist('pop_nedf', 'file') | ||
| [isInstalled, errMsg] = bst_plugin('Install', 'neuroelectrics'); | ||
| if ~isInstalled | ||
| error(errMsg); | ||
| end | ||
| end | ||
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| % ===== READ FILE ===== | ||
| bst_progress('text', 'Reading file (EEGLAB plugin)...'); | ||
| % Get file extension | ||
| [fPath, fBase, fExt] = bst_fileparts(DataFile); | ||
| switch lower(fExt) | ||
| % NEDF: Binary | ||
| case '.nedf' | ||
| % Change the current directory to the plugin path, because the EEGLAB plugin adds stuff to the Matlab path in its own way... | ||
| curDir = pwd; | ||
| cd(bst_fileparts(which('pop_easy'))); | ||
| % Read file: pop_nedf(file,acc,locs,channels_selected) | ||
| EEG = pop_nedf(DataFile, 1, 0, []); | ||
| % Restore Matlab directory | ||
| cd(curDir); | ||
| % EASY: Text file + .info header file | ||
| case '.easy' | ||
| % Read file: pop_easy(file,acc,locs,channels_selected) | ||
| EEG = pop_easy(DataFile, 1, 0, []); | ||
| end | ||
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| % ===== CONVERT EEGLAB TO BRAINSTORM ===== | ||
| bst_progress('text', 'Converting data structures...'); | ||
| % Convert EEGLAB structure to continuous Brainstorm structure | ||
| EEG.filename = DataFile; | ||
| EEG.xmin = 0; | ||
| [sFile, ChannelMat] = in_fopen_eeglab(EEG); | ||
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| % Change the type of accelerometers | ||
| for iChan = 1:length(ChannelMat.Channel) | ||
| if ismember(ChannelMat.Channel(iChan).Name, {'x','y','z'}) | ||
| ChannelMat.Channel(iChan).Type = 'Accelerometer'; | ||
| end | ||
| end | ||
| ChannelMat.Comment = 'Neuroelectrics channels'; | ||
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| % Read data | ||
| ImportOptions = db_template('ImportOptions'); | ||
| ImportOptions.ImportMode = 'Time'; | ||
| ImportOptions.DisplayMessages = 0; | ||
| [F, Time] = in_fread(sFile, ChannelMat, 1, [], [], ImportOptions); | ||
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| % Convert to imported Brainstorm data structure | ||
| DataMat = db_template('DataMat'); | ||
| DataMat.F = F; | ||
| DataMat.Time = Time; | ||
| DataMat.Comment = fBase; | ||
| DataMat.ChannelFlag = sFile.channelflag; | ||
| DataMat.nAvg = 1; | ||
| DataMat.Device = 'Neuroelectrics'; | ||
| DataMat.Events = sFile.events; | ||
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