地球两点距离根据经纬度计算两点间的距离。delphi程序

vb通讯《GIS开发者》Visual Basic 是Mcrosoft公司推出的强有力的系列开发软件之一，而且以其实用、方便、快捷、开发周期短、广泛而强大的功能越来越被广大编程人员所亲赖，广为流传，似乎有些专业的编程人员放弃了Visaul C++ 而改用了Visaul Basic之类的RAD编程工具，尽管Visaul C++在灵活性、代码紧凑、运行速度快及底层开发等方面Visaul Basic无法比拟的，但编写C++应用程序过长的调试和开发周期确实有点不适应当今的应用程序开发环境。-vb communications, "GIS" Visual Basic is Mcrosoft launched a series of powerful software development, but its practical, convenient, fast and short development cycle, extensive and powerful features are increasingly the majority of programmers are pro-Lai, the most widely circulated, it appears that some professional programmers abandoned FoxPro C and switch to the Basic FoxPro like RAD programming tools, despite the flexibility of C FoxPro, code compact, fast operation and development, and so on the bottom FoxPro Basic incomparable, but the C application debugging and long development cycle is really not suited to today the application development environment.

获取省界地理数据的程序，希望对大家有所帮助！-giving access to geographical data procedures, we want to help!

GIS课程设计源代码 对做图像处理的朋友一定有所帮助-GIS curriculum design source code to do image processing on a friend will definitely help

使用SAXON-J实现，创建一个免费可用的、开源的函数、模板和样式表库，为XSLT和XQuery语言中的地理标记语言模式、应用程序模式和文档提供空间处理能力。

mapxtreme6.6开发的必看入门书籍，中文-mapxtreme6.6 developed a must-see entry books, Chinese

openlayers WebGis开发 geoserver 可以显示地图常用功能 缩放工具条控制、图层控制和鹰眼图等-openlayers WebGis development geoserver commonly used functions can show the map Zoom toolbar control, layer control and Hawkeye map

ArcGIS基础教程，适合初学者使用，包括基本界面介绍、数据分析，建立专题地图，商业选址等等

在VC环境下，一个实现等高线转换为DEM数据的程序。-contour to DEM

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

SHAPE文件的读取(PDA版)，可以自己制作GPS。-SHAPE file read (PDA version), can produce their own GPS.