--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/m-toolbox/classes/@ao/zunits.m	Wed Nov 23 19:22:13 2011 +0100
@@ -0,0 +1,100 @@
+% ZUNITS Get the data property 'zunits'.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% DESCRIPTION: Get the data property 'zunits'.
+%
+% CALL:        val = zunits(a1,a2,a3,...)
+%              val = zunits(as)
+%              val = as.zunits()
+%
+% INPUTS:      aN   - input analysis objects (xyzdata)
+%              as   - input analysis objects array  (xyzdata)
+%
+% OUTPUTS:     val  - array of with 'zunits', one for each input
+%
+% <a href="matlab:utils.helper.displayMethodInfo('ao', 'zunits')">Parameters Description</a>
+%
+% VERSION:     $Id: zunits.m,v 1.2 2011/04/08 08:56:17 hewitson Exp $
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+function varargout = zunits(varargin)
+
+  %%% Check if this is a call for parameters
+  if utils.helper.isinfocall(varargin{:})
+    varargout{1} = getInfo(varargin{3});
+    return
+  end
+
+  import utils.const.*
+  property = 'zunits';
+
+  % Check if the method was called by another method
+  callerIsMethod = utils.helper.callerIsMethod;
+
+  if ~callerIsMethod
+    % Collect all AOs
+    as = utils.helper.collect_objects(varargin(:), 'ao');
+  else
+    % Assume the input is a single AO or a vector of AOs
+    as = varargin{1};
+  end
+
+  % Extract the property
+  for jj = 1:numel(as)
+    if isprop(as(jj).data, property)
+      out(jj) = as(jj).data.(property);
+    else
+      utils.helper.msg(msg.IMPORTANT, 'The %dth object has no %s property. Setting result to empty unit', jj, property);
+      out(jj) = unit();
+    end
+  end
+  
+  % Set output
+  if nargout == numel(as)
+    % List of outputs
+    for ii = 1:numel(as)
+      varargout{ii} = out(ii);
+    end
+  else
+    % Single output
+    varargout{1} = out;
+  end
+
+end
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%                               Local Functions                               %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%--------------------------------------------------------------------------
+% Get Info Object
+%--------------------------------------------------------------------------
+function ii = getInfo(varargin)
+  if nargin == 1 && strcmpi(varargin{1}, 'None')
+    sets = {};
+    pl   = [];
+  else
+    sets = {'Default'};
+    pl   = getDefaultPlist();
+  end
+  % Build info object
+  ii = minfo(mfilename, 'ao', 'ltpda', utils.const.categories.helper, '$Id: zunits.m,v 1.2 2011/04/08 08:56:17 hewitson Exp $', sets, pl);
+  ii.setModifier(false);
+end
+
+%--------------------------------------------------------------------------
+% Get Default Plist
+%--------------------------------------------------------------------------
+function plout = getDefaultPlist()
+  persistent pl;  
+  if ~exist('pl', 'var') || isempty(pl)
+    pl = buildplist();
+  end
+  plout = pl;  
+end
+
+function pl = buildplist()
+  pl = plist.EMPTY_PLIST;
+end
+