Another really nice one is Lanczos interpolation, although that only works well if you have at least four points (or 2 + the filter size). I wrote a demo for Sm

Another really nice one is Lanczos interpolation, although that only works well if you have at least four points (or 2 + the filter size). I wrote a demo for Smooth.js a while back that shows how that filter works in 2D: http://osuushi.github.com/plotdemo016.html http://osuushi.github.com/plotdemo016.html