function p = sigmaoptions(varargin)
%SIGMAOPTIONS Create a SigmaPlotOptions object
%
%   P = SIGMAOPTIONS returns the default SigmaPlotOptions object.
%
%   P = SIGMAOPTIONS('cstprefs') initializes the SigmaPlotOptions 
%   object with the Control System Toolbox preferences.
%
%   Available options include:
%      Title, XLabel, YLabel         Label text and style
%      TickLabel                     Tick label style
%      Grid   [off|on]               Show or hide the grid 
%      XlimMode, YlimMode            Limit modes
%      Xlim, Ylim                    Axes limits
%      IOGrouping                    Grouping of input-output pairs
%         [none|inputs|output|all] 
%      InputLabels, OutputLabels     Input and output label styles
%      InputVisible, OutputVisible   Visibility of input and output
%                                    channels
%      FreqUnits [Hz|rad/s]          Frequency Units
%      FreqScale [linear|log]        Frequency Scale
%      MagUnits [dB|abs]             Magnitude Units
%      MagScale [linear|log]         Magnitude Scale
%
%   See also SIGMAPLOT, SETOPTIONS, GETOPTIONS.

%  Copyright 1986-2004 The MathWorks, Inc.
%  $Revision: 1.1.6.1 $   $Date: 2004/12/26 20:56:17 $

p = plotopts.SigmaPlotOptions(varargin{:});