介绍大部分通用的GIS算法，极其好的一本书，初学GIS可以多研究一下。但毕竟是2006年出版的，有些算法已经不适用于现在的程序设计了。-Introduce most common GIS algorithm, a very good book for beginners GIS can be more research. But that is published in 2006, does not apply to some algorithms have been designed to present the program.