function [ rectangle_num, rectangle_node ] = ...
  bezier_surface_rectangle_file_read ( rectangle_file_name )

%% BEZIER_SURFACE_RECTANGLE_FILE_READ reads rectangles from a Bezier surface rectangle file.
%
%  Modified:
%
%    11 June 2006
%
%  Author:
%
%    John Burkardt
%
%  Reference:
%
%    Edward Angel,
%    Interactive Computer Graphics, 
%    a Top-Down Approach with OpenGL,
%    Addison-Wesley, 2000.
%
%  Parameters:
%
%    Input, string RECTANGLE_FILE_NAME, the name of the rectangle file.
%
%    Output, integer RECTANGLE_NUM, the number of rectangles defined.
%
%    Output, real RECTANGLE_NODE(4,RECTANGLE_NUM), the nodes making up each rectangle.
%
  [ dim_num, rectangle_num ] = itable_header_read ( rectangle_file_name );

  rectangle_node = itable_data_read ( rectangle_file_name, ...
    dim_num, rectangle_num );