# File lib/ramaze/app_graph.rb, line 93
    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