用VC实现的基于GIS的源代码，功能为地图比例尺绘制

H31GPS模拟接收机程序 H31GPS模拟接收机程序是用来模拟接收GPS卫星数据并显示卫星位置的模拟程序，数据来自己卫星星历。-this is made to test the GPS ,and the data is come from the GPS star.

利用MAPX实现的电子地图显示、查询及定位等功能，本源码为DLL，不包含MAPX控件。-MAPX realize the use of an electronic map display, query and positioning and other functions, the source code for the DLL, do not contain MAPX control.

基于GIS的配线系统的设计（caj格式）-GIS-based wiring system design (CAJ format)

空间索引，，，很有帮助，可以学习学习 -space index, and helpful, can learn from

一个GIS作品，实现了放大、缩小、移动、定位等基本功能.

WebGIS的实现和应用-WebGIS Implementation and Application

该程序解决了测量平差中两个基本的平差方式：条件平差和间接平差-the resolution measurement Adjustment Adjustment two basic ways : Conditional Adjustment and indirect adjustment

ＰＯＳＴＧＩＳ／ＯＬＡＰ，是空间数据挖掘工具的ＤＬＬ文件，-POSTGIS/OLAP, spatial data mining tools is the DLL file,

vb编写的电子地图软件，内附带上海电子地图，拥有常见的放大，测量距离，查询制定地点等功能-vb prepared electronic map software, electronic maps attached to Shanghai, with common amplification, measurement of distance, location of features such as query formulation

本系统有别于其它的公交线路查询系统，将地铁和轨道交通纳入了换乘范围 ，可设置不同的搜索条件，如优先选择地铁、少的换乘、少的费用、时间最少等条件，得到满足要求的换乘路线-The system is different from the other bus line inquiry system, subway and rail transportation will be included in the scope of the change can be set up different search criteria, such as the preferred choice subway, take less and less cost, time and other conditions at least, be meet the requirements of the transfer line