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Guard channel lookup without DIPFIT #943

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95 changes: 69 additions & 26 deletions functions/popfunc/pop_chanedit.m
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Original file line number Diff line number Diff line change
Expand Up @@ -892,20 +892,7 @@
end
% finding template location files
% -------------------------------
dipfitdefs;

[~,fileNameBESA] = fileparts(template_models(1).chanfile);
[~,fileNameBEM ] = fileparts(template_models(2).chanfile);
eeglabp = fileparts(which('eeglab.m'));
chantemplate(1).name = fileNameBESA;
chantemplate(1).filename = template_models(1).chanfile;
chantemplate(1).description = 'use BESA file for 4-shell dipfit spherical model';
chantemplate(2).name = fileNameBEM;
chantemplate(2).filename = template_models(2).chanfile;
chantemplate(2).description = 'use MNI coordinate file for BEM dipfit model';
chantemplate(3).name = 'Standard-10-5-Cap385_witheog.elp';
chantemplate(3).filename = fullfile(eeglabp,'functions','supportfiles', 'Standard-10-5-Cap385_witheog.elp');
chantemplate(3).description = 'use BESA file and look up EOG channels';
[chantemplate, defaulttemplate] = get_chan_templates;

try
chantemplate = add_locfiles(chantemplate, 'eeglab', 'eeglab', 'EEGLAB ');
Expand Down Expand Up @@ -948,9 +935,9 @@
end
uilist = { { 'style' 'text' 'string' textcomment } ...
{ 'style' 'popupmenu' 'string' { chantemplate.description } ...
'callback' setmodel 'value' 2 } ...
'callback' setmodel 'value' defaulttemplate } ...
{ } ...
{ 'style' 'edit' 'string' chantemplate(2).filename 'tag' 'elec' } ...
{ 'style' 'edit' 'string' chantemplate(defaulttemplate).filename 'tag' 'elec' } ...
{ 'style' 'pushbutton' 'string' '...' 'callback' commandload } ...
{ } ...
{ 'style' 'checkbox' 'string' 'Import file instead and erase all channels' } ...
Expand Down Expand Up @@ -978,16 +965,7 @@
end
case 'lookup'
chaninfo.filename = args{ curfield+1 };
if strcmpi(chaninfo.filename, 'standard-10-5-cap385.elp')
dipfitdefs;
chaninfo.filename = template_models(1).chanfile;
elseif strcmpi(chaninfo.filename, 'standard_1005.elc')
dipfitdefs;
chaninfo.filename = template_models(2).chanfile;
elseif strcmpi(chaninfo.filename, 'standard_1005.ced')
dipfitdefs;
chaninfo.filename = template_models(2).chanfile;
end
chaninfo.filename = get_chan_template_filename(chaninfo.filename);
tmplocs = readlocs( char(chaninfo.filename), 'defaultelp', 'BESA' );
for indexchan = 1:length(chans)
if isempty(chans(indexchan).labels), chans(indexchan).labels = ''; end
Expand Down Expand Up @@ -1143,6 +1121,71 @@
end
EEG.icaact = [];

% get channel template files
% --------------------------
function [chantemplate, defaulttemplate] = get_chan_templates
template_models = get_dipfit_template_models;
chantemplate = [];
if length(template_models) >= 2
[~, fileNameBESA] = fileparts(template_models(1).chanfile);
[~, fileNameBEM ] = fileparts(template_models(2).chanfile);
chantemplate(1).name = fileNameBESA;
chantemplate(1).filename = template_models(1).chanfile;
chantemplate(1).description = 'use BESA file for 4-shell dipfit spherical model';
chantemplate(2).name = fileNameBEM;
chantemplate(2).filename = template_models(2).chanfile;
chantemplate(2).description = 'use MNI coordinate file for BEM dipfit model';
end

eeglabp = fileparts(which('eeglab.m'));
chantemplate(end+1).name = 'Standard-10-5-Cap385_witheog.elp';
chantemplate(end).filename = fullfile(eeglabp, 'functions', 'supportfiles', 'Standard-10-5-Cap385_witheog.elp');
chantemplate(end).description = 'use BESA file and look up EOG channels';

defaulttemplate = min(2, length(chantemplate));

% get channel template filename
% -----------------------------
function filename = get_chan_template_filename(filename)
template_models = get_dipfit_template_models;
if strcmpi(filename, 'standard-10-5-cap385.elp')
if ~isempty(template_models)
filename = template_models(1).chanfile;
else
eeglabp = fileparts(which('eeglab.m'));
filename = fullfile(eeglabp, 'functions', 'supportfiles', 'Standard-10-5-Cap385_witheog.elp');
end
elseif strcmpi(filename, 'standard_1005.elc') || strcmpi(filename, 'standard_1005.ced')
if length(template_models) >= 2
filename = template_models(2).chanfile;
end
end

% get DIPFIT channel templates
% ----------------------------
function template_models = get_dipfit_template_models
template_models = [];
if exist('dipfitdefs', 'file')
try
dipfitdefs;
catch
template_models = [];
end
end
if length(template_models) < 2
eeglabp = fileparts(which('eeglab.m'));
if ~isempty(eeglabp)
dipfitp = fullfile(eeglabp, 'plugins', 'dipfit');
besafile = fullfile(dipfitp, 'standard_BESA', 'standard-10-5-cap385.elp');
bemfile = fullfile(dipfitp, 'standard_BEM', 'elec', 'standard_1005.elc');
if exist(besafile, 'file') && exist(bemfile, 'file')
template_models = [];
template_models(1).chanfile = besafile;
template_models(2).chanfile = bemfile;
end
end
end

% adding channel location file
% ----------------------------
function chantemplate = add_locfiles(chantemplate, software, folder, str)
Expand Down