A method and apparatus of smoothing a generalized polygon is disclosed. The method and apparatus identifies a vertex of the generalized polygon with a sharp corner and replaces the sharp corner with a rounding arc. In one embodiment, the method and apparatus draws a circle using said identified vertex...http://www.google.com.tw/patents/US6697080?utm_source=gb-gplus-share專利 US6697080 - Scalable smoothing of generalized polygons
