code: void _setToDefault() {
  		resizeAttributes(m_description.getTotalComponentCount());
  		Point.attributeCopy(m_description._getDefaultPointAttributes(),
  				m_attributes, m_description.getTotalComponentCount());
  		m_attributes[0] = NumberUtils.NaN();
  		m_attributes[1] = NumberUtils.NaN();
  	}
docs: Sets the Point to a default, non-empty state.