VC++ Source GIS do very good, please give good say

城市地理信息系统- City geographic information system

vb+Mapinfo开发之最短路径，同时还有SQL查询等功能-vb+ Mapinfo development of the shortest path, along with features such as SQL Query

最优路径 地理信息系统-optimal path Geographic Information System

This program demonstrates the usage of the select() routine.

A link exchange (also known as a banner exchange) is a confederation of websites that operates similarly to a web ring. Webmasters register their web sites with a central organization, that runs the exchange, and in turn receive from-A link exchange (also known as a banner exchange) is a confederation of websites that operates similarly to a web ring. Webmasters register their web sites with a central organization, that runs the exchange, and in turn receive from

arcserver9.2安装与配置GIS开发的好帮手，不会的可以看看。-Installation and Configuration arcserver9.2 good helper GIS development will not take a look at the can.

mapxtreme2005初学代码～ 很容易明白地图加载过程，及简单工具应用-code ~ mapxtreme2005 beginner can easily understand map loading process, and the application of simple tools

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. The GTK+ or SDL user interfaces are designed to work well with touch screen displays. Points of Interest of various formats are displayed on the map. The current vehicle position is either read from gpsd or directly from NMEA GPS sensors. The routing engine not only calculates an optimal route to your destination, but also generates directions and even speaks to you.

vc++ MapX二次开发中问题较多的中文标注的解决。在地图上标绘图标，可输入经纬度精确定位，并显示最多可输入50个汉字的标注，图标在地图上拖动移位，图标删除等，附带缩放、漫游、归心、状态栏显示当前鼠标位置经纬度等基本功能。-vc++ MapX secondary development of the Chinese are more marked resolved. Drawing on the map superscript superscript, enter the latitude and longitude accurate positioning, and display up to 50 Chinese characters input tagging, drag the icon on the map shift, delete the icon, etc., with zoom, roam, in the heart, the status bar displays the current mouse and other basic functions of latitude and longitude position.