# File lib/geo_ruby/simple_features/multi_line_string.rb, line 32
      def self.from_coordinates(point_sequences,srid=DEFAULT_SRID,with_z=false,with_m=false)
        multi_line_string = new(srid,with_z,with_m)
        multi_line_string.concat(point_sequences.collect {|points| LineString.from_coordinates(points,srid,with_z,with_m) })
        multi_line_string
      end