# File lib/geo_ruby/simple_features/envelope.rb, line 49
      def as_georss(options = {})
        dialect= options[:dialect] || :simple
        case(dialect)
        when :simple
          geom_attr = ""
          geom_attr += " featuretypetag=\"#{options[:featuretypetag]}\"" if options[:featuretypetag]
          geom_attr += " relationshiptag=\"#{options[:relationshiptag]}\"" if options[:relationshiptag]
          geom_attr += " floor=\"#{options[:floor]}\"" if options[:floor]
          geom_attr += " radius=\"#{options[:radius]}\"" if options[:radius]
          geom_attr += " elev=\"#{options[:elev]}\"" if options[:elev]
          
          georss_simple_representation(options.merge(:geom_attr => geom_attr))
        when :w3cgeo
          georss_w3cgeo_representation(options)
        when :gml
          georss_gml_representation(options)
        end
      end