# File lib/geo_ruby/simple_features/line_string.rb, line 27
      def bounding_box
        max_x, min_x, max_y, min_y = -Float::MAX, Float::MAX, -Float::MAX, Float::MAX
        if(with_z)
          max_z, min_z = -Float::MAX,Float::MAX
          each do |point|
            max_y = point.y if point.y > max_y
            min_y = point.y if point.y < min_y
            max_x = point.x if point.x > max_x
            min_x = point.x if point.x < min_x 
            max_z = point.z if point.z > max_z
            min_z = point.z if point.z < min_z 
          end
          [Point.from_x_y_z(min_x,min_y,min_z),Point.from_x_y_z(max_x,max_y,max_z)]
        else
          each do |point|
            max_y = point.y if point.y > max_y
            min_y = point.y if point.y < min_y
            max_x = point.x if point.x > max_x
            min_x = point.x if point.x < min_x 
          end
          [Point.from_x_y(min_x,min_y),Point.from_x_y(max_x,max_y)]
        end
      end