function disk_grid_display ( ng, xy )

%*****************************************************************************80
%
%% disk_grid_display() displays grid points inside a disk.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    05 September 2010
%
%  Author:
%
%    John Burkardt
%
%  Input:
%
%    integer NG, the number of grid points inside the disk.
%
%    real XY(2,NG), the grid points.
%
  scatter ( xy(1,:), xy(2,:), 'b.' );
  axis ( 'equal' );
  label = sprintf ( '%d grid points inside a disk', ng );
  title ( label );
  grid ( 'on' );

  return
end
