Bezier  Cubic  Splines  Library

Cubic splines are an excellent way of creating        curved graphics for everything from CAD/CAM        to PostScript. The focus here is on understandable        tutorials that let you fully exploit cubic splines.

The Math Behind Cubic Splines     Using Cubic Splines   Cubic Spline through Four Points   Cubic Spline Length and Subdivision   Cubic Spline Minimum Point Distance   Cubic Spline Circle and Ellipse Approximations   Pixed Interpolation Algorithms   Length of a Bezier Curve   Image Post Processing Tools   Main Cubic Spline Library