# File lib/geo_ruby/simple_features/multi_line_string.rb, line 25
      def self.from_line_strings(line_strings,srid=DEFAULT_SRID,with_z=false,with_m=false)
        multi_line_string = new(srid,with_z,with_m)
        multi_line_string.concat(line_strings)
        multi_line_string
      end