0001 function varargout = xyzdata(varargin)
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0032 VERSION = '$Id: xyzdata.m,v 1.1 2007/12/24 19:47:06 hewitson Exp $';
0033
0034
0035 if nargin == 1 && ischar(varargin{1})
0036 if strcmp(varargin{1}, 'Params')
0037 varargout{1} = plist();
0038 return
0039 elseif strcmp(varargin{1}, 'Version')
0040 varargout{1} = VERSION;
0041 return
0042 end
0043 end
0044
0045
0046
0047 function xyz = init()
0048 xyz.name = 'None';
0049 xyz.x = [];
0050 xyz.y = [];
0051 xyz.z = [];
0052 xyz.xunits = '';
0053 xyz.yunits = '';
0054 xyz.zunits = '';
0055 xyz.version = VERSION;
0056 xyz.created = time;
0057 xyz = class(xyz, 'xyzdata');
0058 end
0059
0060
0061
0062
0063
0064 if nargin == 0
0065 xyz = init();
0066
0067 elseif nargin == 1
0068
0069
0070 if isa(varargin{1}, 'org.apache.xerces.dom.DeferredElementImpl')
0071 xyz = fromxml(varargin{1});
0072
0073 elseif ischar(varargin{1})
0074
0075 filename = varargin{1};
0076 [path, name, ext, vers] = fileparts(filename);
0077 switch ext
0078 case '.mat'
0079 xyz = load(filename);
0080 xyz = xyz.a;
0081 case '.xml'
0082 xyz = xmlparse(xyzdata, filename);
0083 otherwise
0084 error('### Unknown file type.');
0085 end
0086
0087 elseif isa(varargin{1}, 'xyzdata')
0088 xyz = varargin{1};
0089
0090
0091 elseif isstruct(varargin{1})
0092
0093 xyz = init();
0094
0095 fields = fieldnames(varargin{1});
0096 for ii = 1:length(fields)
0097 field = fields{ii};
0098
0099
0100 if strcmp(field, 'created')
0101 created = varargin{1}.created;
0102 if isstruct(created)
0103 created = time(created);
0104 end
0105 xyz.created = created;
0106
0107 else
0108 try
0109 xyz.(field) = varargin{1}.(field);
0110 catch
0111 error('### The field ''%s'' in the struct is not a xydata property.', field)
0112 end
0113 end
0114 end
0115
0116
0117 else
0118 xyz = init();
0119 xyz.x = 1:size(varargin{1}, 1);
0120 xyz.y = 1:size(varargin{1}, 2);
0121 xyz.z = varargin{1};
0122 end
0123
0124
0125 elseif nargin == 2
0126
0127
0128 if isa(varargin{1}, 'database')
0129 xyz = retrieve(varargin{1}, varargin{2:end});
0130 else
0131 error('### Unknown constructor.');
0132 end
0133 elseif nargin == 3
0134 xyz = init();
0135 xyz.x = varargin{1};
0136 xyz.y = varargin{2};
0137 xyz.z = varargin{3};
0138 else
0139 error('### Unknown number of constructor arguments.');
0140 end
0141
0142
0143
0144
0145 nx = size(xyz.z, 2);
0146 ny = size(xyz.z, 1);
0147
0148 if length(xyz.x) ~= nx
0149 error('### X-vector has wrong length.');
0150 end
0151 if length(xyz.y) ~= ny
0152 error('### Y-vector has wrong length.');
0153 end
0154 if size(xyz.y,2) > size(xyz.y,1)
0155 xyz.y = [xyz.y].';
0156 end
0157 if size(xyz.x,2) > size(xyz.x,1)
0158 xyz.x = [xyz.x].';
0159 end
0160
0161
0162
0163 varargout{1} = xyz;
0164
0165 end
0166
0167