SplitImage可以在AE中将合成分为几个等距的合成大小，SSS测试只需设置俩个参数，然后点击一下开始按钮，就可以完全拆分为矩形块，而且会自动复制一个合成不影响原始合成。
SplitImage can divide the composition into several equidistant composite sizes in AE. Just set two parameters and click on it to completely split into rectangular blocks without affecting the original composition.
