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I'm running p5.js: https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.4.8/p5.min.js
Image.get now seems to be returning null color values?!
See Dan Shiffman's Pointilism example: http://p5js.org/examples/examples/Image_Pointillism.php
Add println(pix); and you get [null,null,null,null]