function house_data_plot ( )

%*****************************************************************************80
%
%% house_data_plot() plots the house data
%
%  License:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    30 December 2024
%
%  Author:
%
%    John Burkardt.
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'house_data_plot():\n' );
  fprintf ( 1, '  Plot the house data.\n' );
%
%  Retrieve the vertices.
%
  xy = house_data ( );
%
%  Add a copy of first vertex to end of list, so polygon will close.
%
  xy = [ xy; xy(1,1:2) ];
%
%  Plot the data.
%
  clf ( );
  hold ( 'on' );
    plot ( xy(:,1), xy(:,2), 'c.-', 'markersize', 18, 'linewidth', 6 );
    plot ( xy(:,1), xy(:,2), 'k.-', 'markersize', 18, 'linewidth', 2 );
  hold ( 'off' );
  grid ( 'on' );
  axis ( [ -10.0, 10.0, -10.0, 10.0 ] );
  axis ( 'square' );
  title ( 'The house data' )

  filename = 'house_data.png';
  print ( '-dpng', filename );
  fprintf ( 1, '  Graphics saved as "%s"\n', filename );

  return
end
