Common Lisp for a bike website

Here's a neat use of CL: a bike configurator expert system. A few details are available. Here's a bit I liked:

Bike Friday builds so many bicycles that to photograph everything would not be possible. Even with the limited component selection displayed in the cartoons there are over 15,000 cartoons generated just for the ~130 starting designs so far in the system.

The cartoon generator works by using CXML to load a master SVG file, remove all but the appropriate layers for a given model, and then colorizing different parts of the bike using a mix of SVG patterns and RGB hex codes depending on the bike and color selection. It then uses ImageMagick to convert the generated SVG file to JPG.

You can read more on reddit.

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September 2014

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