自己做的WEBgis课程设计，有基本的查询分析功能和最短路径分析。-Do their own WEBgis curriculum design, a basic query and analysis functions and shortest path analysis.

AE和VB的网络分析，包括最短路径，最近设施等-AE and VB network analysis, including the shortest path to the nearest facility

在绘制的40*40的方格上，自己定义起点终点和障碍，用A*算法避开障碍物，规划出最短路径-On the paint of 40* 40 squares, define your own starting point to the end and obstacles, using A* algorithm to avoid obstacles, planning the shortest path