# File lib/ramaze/contrib/app_graph.rb, line 53
  def show
    write_dot
    options = {
      'rankdir' => 'LR',
      'splines' => 'true',
      'overlap' => 'false',
    }
    args = options.map{|k,v| "-G#{k}=#{v}" }
    system("dot -O -Tpng #{args.join(' ')} graph.dot")
    system('feh graph.dot.png')
  end