Mouse around to stipple with increasing refinement.
Largely derived from FizzyText (seen here, source here, my attempted explanation here).
xxxxxxxxxx<html><head><style> canvas { position: absolute; top: 0; left: 0; }</style><title>Particle Painter</title><script src='d3.min.js'></script><script src='improvedNoise.js'></script><script src='main.js'></script><script> window.onload = function() { var particlePainter = new ParticlePainter('seurat.jpg', d3.select("#starry").node()); };</script></head><body><div id='starry'></div></body></html>