You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: VBA_spm_eeg_displayECD.m
    path of file: ./repos/VBA-toolbox/thrid-party/spm
    
    the code of the file until where you have to start completion: function [out] = VBA_spm_eeg_displayECD(Pos,Orient,Var,Names,options)
% Plot dipole positions onto the SPM canonical mesh
% FORMAT [out] = spm_eeg_displayECD(Pos,Orient,Var,Names,options)
%
% IN (admissible choices):
%   - Pos: a 3xndip matrix containing the positions of the dipoles in
%   the canonical frame of reference
%   - Orient: the same with dipole orientations
%   - Var: the same with position variance
%   - Names: the same with dipole names

    
function [out] = VBA_spm_eeg_displayECD(Pos,Orient,Var,Names,options)
% Plot dipole positions onto the SPM canonical mesh
% FORMAT [out] = spm_eeg_displayECD(Pos,Orient,Var,Names,options)
%
% IN (admissible choices):
%   - Pos: a 3xndip matrix containing the positions of the dipoles in
%   the canonical frame of reference
%   - Orient: the same with dipole orientations
%   - Var: the same with position variance
%   - Names: the same with dipole names
%   - options: an optional structure containing
%       .hfig: the handle of the display figure
%       .tag: the tag to be associated with the created UI objects
%       .add: binary variable ({0}, 1: just add dipole in the figure .hfig)
%
% OUT:
%   - out: a structure containing the handles of the object in the figure
%   (including the mesh, the dipoles, the transparency slider, etc...)
%__________________________________________________________________________
% Copyright (C) 2008 Wellcome Trust Centre for Neuroimaging

% Jean Daunizeau
% $Id: spm_eeg_displayECD.m 5737 2013-11-10 20:23:49Z karl $


% checks and defaults
%--------------------------------------------------------------------------
hfig       = [];
ParentAxes = [];
query      = [];
handles    = [];
tag        = '';
try, options; catch, options = [];      end