空间数据库中空间数据结构的应用，K-d树基本操作的源码，都在这个文档中。-spatial database structure of the data space applications, K-d trees basic operation of the source code in the documents.

我自己做的无向图处理程序可生成最小生成树可遍历生成邻接矩阵邻接表-I do no generate a directed graph traversal process can generate a minimum spanning tree adjacency matrix adjacency list