% SETX Set the property 'x'.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DESCRIPTION: Set the property 'x'.
%
% CALL:              obj.setX([1 2 3]);
%              obj = obj.setX([1 2 3]); create copy of the object
%
% INPUTS:      obj - must be a single data2D object.
%
% VERSION:     $Id: setX.m,v 1.7 2011/10/05 12:02:46 ingo Exp $
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

function varargout = setX(varargin)
  
  obj = varargin{1};
  val = varargin{2};
  
  % decide whether we modify the object, or create a new one.
  obj = copy(obj, nargout);
  
  % set 'x'
  obj.x = val;
  
  varargout{1} = obj;
end