MAPX地图放大，缩小，平移，手动测试距离，汽车在道路上行驶方向，轨迹显示等MAPX相关代码-MAPX related code MAPX map zoom in, zoom out, pan, the manual test distance, the car in the direction of travel on the road, track display

GPS目标轨迹跟踪，Mapx开发目标轨迹显示核心代码(VC++)-GPS target tracking，Mapx development target trajectory shows the core code (VC++)

mapx+labview 实现电子地图基本功能：放大；缩小；平移及gps轨迹跟踪功能-mapx+labview electronic map to achieve the basic functions: zoom narrow translation and gps tracking function