These are Actionscript 3 generated compositions.
Data are taken from two images. One is a color map, the other is a bumpmap of sorts. The color map only controls the colors of the stroke.while the bump map controls the width of the stroke, within pre-setlimits.
The motion is primarily controlled via epicyclic motion, inspired byearly attempts by astronomers to make celestial motion make sense in aterre-centric model of the universe. Given enough epicycles and non-rhythic periods, the motion can become quite chaotic and appear to be whooly random.