开关量控制应用，利用板卡控制外部设备，性能可靠

一个GIS的程序, 一个GIS的程序,-A GIS procedure, a procedure for GIS, a GIS procedures

MapX的开发说明文档，如何加载地图，创建地图， 鹰眼功能、拓扑关系、不同图形不同颜色表现、数据绑定、系统性能等。-MapX development of documentation, how to load maps, create maps, Eagle Eye function, topological relations, the performance of different colors in different graphics, data binding, system performance, etc..

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.

简易车辆导航系统，实现地图匹配，电话号码，单位设施，最优道路检索

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

一个MFC类实现图钉功能；可以用在GIS的应用程序中；derived from CWnd.-MFC realize a pushpin-type function can be used in GIS applications derived from CWnd.

这是关于二维波动方程正演的一款软件！大家可以交流讨论下！此程序可以实现地震波场的正演模拟计算，所利用的原理是基于波动方程的 请点击左侧文件开始预览 ！预览只提供20%的代码片段，完整代码需下载后查看 加载中 侵权举报

ArcObjects编程常用代码-ArcObjects programming code used

WebGIS的实现和应用-WebGIS Implementation and Application

附件是一个开发文档，密码:www.gissky.net-annex is a development document, Password : www.gissky.net