Navit is a open source (GPL) car navigation system with routing engine. It s modular design is capable of using vector maps of various formats for routing and rendering of the displayed map. It s even possible to use multiple maps at a time.

用vc6.0使用MAPX组件开发GPS车载系统源码 可用于交通、运输、物流，敬供网友参考-Component Development with vc6.0 use of GPS car system MAPX source can be used for traffic, transportation, logistics, respect for the users reference

使用MAPX4.0组件用DELPHPI6.0编写的gps和GIS管理程序。mapx for csharp。mapx和arcgis engine和arcgis server,AO，MO，google map一样都是GIS开发组件。-Use MAPX4.0 components prepared with DELPHPI6.0, and GIS Manager gps. mapx for csharp. mapx and arcgis engine and arcgis server, AO, MO

利用mapx实现的电子地图功能，gps跟踪，动态监视等，同时有放大、缩小、漫游等基本功能。我也是找的，但是没有详细说明，所以不知道怎么用。我是转载-Achieved by mapx electronic map function, gps tracking, dynamic monitoring, the same time to enlarge, shrink, roaming and other basic functions. I was looking for, but did not