// triples are (332 index, range (pixel count), weight)
static double imageAnalysis_332parameterScore(LT3<Int, FourPointsRange, Double> parameters, RGBImage img) {
  int[] histogram = histogram332_array(img);
  double score = 0;
  for (T3<Int, FourPointsRange, Double> t : parameters)
    score += t.c*fourPointRangeScore(t.b, histogram[t.a]);
  ret score;
}