Willis, PhilipOddy, Robert2014-10-212014-10-2119921467-8659https://doi.org/10.1111/1467-8659.1130035We describe an accurate method of rendering by scan-conversion of closed regions bounded by NURBs, with particular comments on its application to computer-based 2D animation. It is shown that the method is fast, analytically accurate, and can be readily extended to include anti-aliasing and clipping.10.1111/1467-8659.113003535-44