利用四叉分割对空间空间数据进行编码，编码方案为四进制莫顿码或十进制莫顿码-Using quad split the space spatial data coding, coding scheme for quaternary the Morton code or decimal Morton code

图像莫顿码编码原理演示，对于了解莫顿码的GIS同学很有帮助。-Image Morton coding principle demonstration for GIS students about Morton code is helpful.