MostPixelsEver Cluster Edition is a library for the Processing programming language. It allows you to sketch interactions and visualizations and scale them across multiple displays. We've scaled Processing sketches up to 328 megapixels with MostPixelEverCE, how many pixels can you scale to?
Source Code: http://github.com/TACC/MostPixelsEverCE
Project Page: http://tacc.utexas.edu/tacc-software/most-pixels-ever-cluster-edition