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The Tactile libraries

I developed a new open-source software library for manipulating isohedral tilings, based on the work I did on this topic during my PhD. The library is available in C++ and Javascript, and I offer a few fun automated and interactive demo programs that anybody can use to play with isohedral tilings.

Heesch Numbers, Part 2: Polyforms

In the first post in this series, I introduced the concept of a shape’s Heesch number. In brief, if a shape doesn’t tile the plane, its Heesch number is a measure of the maximum number of times you can surround the shape with layers of copies of itself. (Shapes that do …

Trump Haiku Bot

Oh he is so quick On his feet. He is reading The #WallStreetJournal. This term, I’m teaching an introductory computer science course for students in Waterloo’s Global Business and Digital Arts program. We’re using Processing, a fun environment for learning programming, and for simple programming tasks related to visual art …