Function distance

scripts/convertAnatomy.js:52–54

(a, b)

// Distance between 2 colors (in RGB)
// https://stackoverflow.com/questions/23990802/find-nearest-color-from-a-colors-list
function distance(a, b) {
  return Math.sqrt(Math.pow(a.r - b.r, 2) + Math.pow(a.g - b.g, 2) + Math.pow(a.b - b.b, 2));
}

// return nearest color from array
function nearestColor(target) {