If you haven’t already explored the background behind Troika’s cloud for BA’s Terminal 5 - “a five meter long digital sculpture whose surface is covered with 4638 flip-dots that can be individually addressed by a computer to animate the entire skin of the sculpture” - Pixelsumo has got the goods and also images of the Processing pattern mock-up tool.
More development images and info here.
Or just watch the video above and wish you had done it.