# File lib/geo_ruby/simple_features/polygon.rb, line 134
      def self.from_coordinates(point_sequences,srid=DEFAULT_SRID,with_z=false,with_m=false)
        polygon = new(srid,with_z,with_m)
        polygon.concat( point_sequences.collect {|points| LinearRing.from_coordinates(points,srid,with_z,with_m) } )
        polygon
      end