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function this = gifti(varargin) |
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switch nargin |
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case 0 |
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this = giftistruct; |
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this = class(this,'gifti'); |
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case 1 |
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if isa(varargin{1},'gifti') |
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this = varargin{1}; |
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elseif isstruct(varargin{1}) |
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f = {'faces', 'face', 'tri' 'vertices', 'vert', 'pnt', 'cdata', 'indices'}; |
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ff = {'faces', 'faces', 'faces', 'vertices', 'vertices', 'vertices', 'cdata', 'indices'}; |
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[c, ia] = intersect(f,fieldnames(varargin{1})); |
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if ~isempty(c) |
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this = gifti; |
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for i=1:length(c) |
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this = subsasgn(this,... |
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struct('type','.','subs',ff{ia(i)}),... |
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varargin{1}.(c{i})); |
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end |
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elseif isempty(setxor(fieldnames(varargin{1}),... |
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{'metadata','label','data'})) |
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this = class(varargin{1},'gifti'); |
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else |
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error('[GIFTI] Invalid structure.'); |
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end |
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elseif ishandle(varargin{1}) |
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this = struct('vertices',get(varargin{1},'Vertices'), ... |
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'faces', get(varargin{1},'Faces')); |
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if ~isempty(get(varargin{1},'FaceVertexCData')); |
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this.cdata = get(varargin{1},'FaceVertexCData'); |
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end |
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this = gifti(this); |
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elseif isnumeric(varargin{1}) |
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this = gifti; |
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this = subsasgn(this,... |
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struct('type','.','subs','cdata'),... |
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varargin{1}); |
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elseif ischar(varargin{1}) |
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if size(varargin{1},1)>1 |
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this = gifti(cellstr(varargin{1})); |
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return; |
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end |
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[p,n,e] = fileparts(varargin{1}); |
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if strcmpi(e,'.mat') |
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try |
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this = gifti(load(varargin{1})); |
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catch |
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error('[GIFTI] Loading of file %s failed.', varargin{1}); |
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end |
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elseif strcmpi(e,'.asc') || strcmpi(e,'.srf') |
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this = read_freesurfer_file(varargin{1}); |
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this = gifti(this); |
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else |
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this = read_gifti_file_standalone(varargin{1},giftistruct); |
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this = class(this,'gifti'); |
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end |
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elseif iscellstr(varargin{1}) |
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fnames = varargin{1}; |
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this(numel(fnames)) = giftistruct; |
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this = class(this,'gifti'); |
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for i=1:numel(fnames) |
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this(i) = gifti(fnames{i}); |
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end |
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else |
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error('[GIFTI] Invalid object construction.'); |
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end |
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otherwise |
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error('[GIFTI] Invalid object construction.'); |
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end |
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function s = giftistruct |
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s = struct(... |
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'metadata', ... |
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struct(... |
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'name', {}, ... |
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'value', {} ... |
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), ... |
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'label', ... |
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struct(... |
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'name', {}, ... |
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'index', {} ... |
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), ... |
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'data', ... |
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struct(... |
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'attributes', {}, ... |
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'metadata', struct('name',{}, 'value',{}), ... |
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'space', {}, ... |
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'data', {} ... |
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) ... |
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); |
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