Representing weather data with elliptical or polygonal representations for transmission or reception. Ellipseticity may be determined, vertex coordinates may be shuffled, or polygons may be continuously fillable or filled based on filling flag values. Sides may be replaced within the polygonal representations....http://www.google.ca/patents/US5363107?utm_source=gb-gplus-sharePatent US5363107 - Storage and transmission of compressed weather maps and the like