code: public static double getMinLength(double[] widths, double[] heights) {
  		double minWidth = getMinLength(widths);
  		double minHeight = getMinLength(heights);
  		double minLength = Math.max(minWidth, minHeight);
  		return minLength;
  	}
docs: Get the min distance length that matches the tile widths and heights
  
  @param widths
  sorted tile matrix widths
  @param heights
  sorted tile matrix heights
  @return min length
  @since 1.2.0