mapgis dv ,this is vb program

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.

湖南09年最新矢量地图(MapInfo格式)-Hunan Province in 2009 the latest vector map (MapInfo format)

一个集成地图分幅与编码的程序，可以方便的进行着方面的运算-an integrated map-rate and coding procedures, to facilitate the conduct of an operation

测量基础软件开发。包括前方交会，后方交会，后方交会等个种测量的平差。-measurement based software development. Including forward intersection, the rear intersection, the rear other species fair measurement of adjustment.

求最短路径的算法-seek the shortest path algorithm

delphi+Mapx 例子，包括Mapx的放大，缩小等一些基本功能-delphi Mapx examples, including Mapx magnified narrow and some other basic functions

十分强悍的墨卡托投影反算程序。方便大家下载-Very powerful anti-Mercator counting procedures. Easy to download U.S.

首先安装MapX控件，该实例能够实现地图标注，缓冲区查询分析，图层控制管理等主要功能。-first install MapX, the case can be achieved marked maps, a buffer for analysis, control and management layers main functions.

对电骡中KAD网络协议的分析。包括128位哈希值空间；节点ID分配；文件发布/查找；关键字发布/查找-On the emule network protocol in the analysis of KAD

C# 和 ArcGIS Engine 开发 ArcScan 环境 为.NET -C# and ArcGIS Engine development environment for the Arc.NET