引擎类

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.

坡度、坡向程序-breath-5, a program file to show that I will be my last set of five procedures is described.

MapBasic程序，实现旅游地理信息查询系统-MapBasic procedures, the tourism Geographic Information System

计算章动 岁差 极移的C++程序 输入北京时间，自动转换儒略日，儒略世纪，并计算章动 岁差 极移等

电子地图webgis的设计方法介绍，包括设计原则，数据模型等-The design of electronic map webgis methods, including design principles, data models

嵌入式gis开发包，可以移植到windows CE,希望对大家有所帮助。-Gis Embedded Development Kit, can be ported to multiple operating systems.

你可以在你的GIS(地图信息系统)中使用这些源程序，因为它演示了在地图上的图钉效果，运行这个程序你可以在View中移动一些图标。-you can in your GIS (Map Information Systems), the use of these sources, as it demonstrated on the maps pushpin results, run this procedure you can View Mobile icons.

电子地图查询系统 V0.90源代码，一个很不错的源码，希望对大家有所帮助-Electronic Map Query System V0.90 source, a very good source, we hope to help

小型GIS系统，VC++编译的，超好好，小型GIS系统，VC++编译的，超-Small GIS system, VC++ compiler, and super good

mapx开发的一个实用程序！-MapX development of a practical program!