SpeciesFileGroup/taxonworks

# Multi polygon definition...
#
class GeographicItem::MultiPolygon < GeographicItem
  SHAPE_COLUMN = :multi_polygon
  validates_presence_of :multi_polygon

  # @return [Array] arrays of points
  def to_a
    multi_polygon_to_a(self.multi_polygon)
  end

  # @return [RGeo::Point] first point in first polygon
  def st_start_point
    geo_object[0].exterior_ring.point_n(0)
  end

  # @return [Hash]
  def rendering_hash
    multi_polygon_to_hash(self.multi_polygon)
  end

end