function [ node_num, node_xyz ] = polygonal_surface_node_file_read ( ...
  node_file_name )

%% POLYGONAL_SURFACE_NODE_FILE_READ reads node information from a polygonal surface node file.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    13 June 2006
%
%  Author:
%
%    John Burkardt
%
%  Reference:
%
%    Edward Angel,
%    Interactive Computer Graphics, 
%    a Top-Down Approach with OpenGL,
%    Addison-Wesley, 2000.
%
%  Parameters:
%
%    Input, string NODE_FILE_NAME, the name of the node file.
%
%    Output, integer NODE_NUM, the number of nodes defined.
%
%    Output, real NODE_XYZ(3,NODE_NUM), the coordinates of nodes.
%
  [ dim_num, node_num ] = dtable_header_read ( node_file_name );

  node_xyz = dtable_data_read ( node_file_name, dim_num, node_num );

  return
end