docs: public static double volumeScaled(SpatialComparable box, double scale) {
      final int dim = box.getDimensionality();
      double vol = 1.;
      for(int i = 0; i < dim; i++) {
        double delta = box.getMax(i) - box.getMin(i);
        if(delta == 0.) {
          return 0.;
        }
        vol *= delta * scale;
      }
      return vol;
    }