• Natural Cubic Splines
• Hermite Cubic Splines

Including links to some reading material online

• An Introduction to Splines for use in Computer Graphics & Geometric Modelling – Bartels, Beatty, Barsky
• Splines! All about them.
• A Spline Interpolation Demo – Demonstrating interpolation of 6 movable points by a curve to demonstrate a cubic spline.
• A Natural Cubic spline example problem
• Curve fitting and Splines

Some Images for your viewing pleasure

• How to construct a “smooth” spiral ?

• { Parameters } – Do you Believe !?

• Whats a Spline mate!?

• Continuity

• Spline Types