：查看GPS的卫星个数和状态。 路径分析：屏幕选取起止点、文字录入起止点、 最短路径分析、最优路径分析轨迹回放：导航轨迹播放（ ... iDD (位vb MapX程序-: View the number of GPS satellites and the state. Path Analysis : screen selected starting and ending points, text input starting and ending point, the shortest path

基于GPS+MAPX的车辆定位跟踪系统，包括了全部的VB操作代码。,GPS+ MAPX based on vehicle location and tracking system, including operation of all the VB code.

VB+MAPX+GPS常用模块的主要代码分析GPS数据分析：（RMC）格式；其它格式类似：-VB+ MAPX+ GPS module is the main source used analysis of GPS data analysis: (RMC) format other formats like this:

车载GPS导航系统中地图匹匹配算法，VB+MapX实现。 -GPS navigation system map horses matching algorithm VB+MapX achieve.