已知两点经纬度求两点的大地方位角

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.

try different ui demo

在VC中利用MAPX实现各种性质的图层的使用，其中不包括细化图层。-in VC Connection use of various layers of the nature of the use, which does not include the thinning layer.

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

文件对GIS的基本构成、运行环境、数据结构、基本功能、工程设计等进行了详细的描述，对GIS开发人员有很大的帮助。-On the GIS the basic structure, operating environment, data structures, basic functions and engineering design carried out a detailed description of the development of the GIS staff very helpful.

MATLAB和VC++混合编程实现行程编码压缩，以VC++为主要平台，采用混合编程的形式，用MATLAB来调用MEX函数所编写的DLL，实现文件压缩。-MATLAB and VC++ Matlab Coding trip to VC++ As the main platform, the form of hybrid programming using MATLAB function to call the MEX prepared DLL, file compression realize.

图幅计算VC源代码.rar 也是个作gis的vc代码-map VC rate of the source code. Rar is also for the vc code gis

VB6code,三纬城市标住，图形图像代码-VB6code, three-wai city living standard, graphics and video code

vc开发GIS一书的源代码，为了解GIS原理非常有帮助，通过该代码可以开发自己的GIS系统

本程序为个人GIS、路径算法及GPS定位的测试程序。主要用来测试GIS环境及算法的可靠和稳定性. -This procedure for personal GIS, and GPS positioning path algorithm testing procedures. GIS is mainly used to test the environment and the reliability and stability of algorithms.