john-hobby

John D. Hobby

🌐 Primary Sources & Official Portals

• John Hobby’s METAFONT Curve Algorithm Paper (1986): https://www.tug.org/docs/metapost/mpman.pdf
• Interactive Hobby Curve Essay by Jake Low: https://jake-low.github.io/hobby-curves/

Description

John D. Hobby is an American computer scientist and mathematician who worked closely with Donald Knuth at Stanford. Hobby developed the algorithm used in METAFONT and MetaPost for generating aesthetically smooth, natural spline curves through discrete control points without undesirable inflection loops.

Related Entities

• donald-knuth
• jake-low

Related Concepts

• hobbys-curve-algorithm
• spline-interpolation
• computational-curves
• bezier-control-points

Mentions in Source

• “Hobby’s algorithm finds smooth, pleasing Bézier curves passing through a given set of points by solving a tridiagonal linear system of turning angles.” — Smooth Curves with John Hobby’s Algorithm