Minor comment update, we aren't doing area sampling any more.

examples/html/dots.html

@@ -106,8 +106,7 @@
     // Figure out which areas of the screen are going to map to our LEDs.
     // This example is hardcoded for an 8x8 grid of pixels, organized in a
     // left-to-right top-down fashion. Each LED is represented by a small
-    // marker showing its location in the scene, and the area of the scene
-    // that it samples from.
+    // marker showing its location in the scene.
 
     var leds = []
     for (var y = 0; y < 8; y++) {