把BMP格式的灰度图放在E盘的跟目录下，再运行程序，结果会显示在E盘下的另张图里，该图是由程序生成的-Grayscale BMP format the disk with the directory on the E, the re-run the program, the results will be displayed on the E disk to another under the sheets diagram, the graph is generated by the progr