Delphi版本mapobject的legend控件源代码

地球两点距离根据经纬度计算两点间的距离。delphi程序-Two points away from the Earth s latitude and longitude calculated according to the distance between two points. delphi program

实现对精密星历数据的读取,并能内插出任意时间点卫星的位置,且能评定内插的精度.-to achieve precise ephemeris data to the reader, and interpolation from any point in time the satellite location and can assess the accuracy of interpolation.

转换ESRI公司的Coverage和E00数据格式的源代码-conversion of ESRI E00 Coverage and data format source code

一个汽车GPS导航系统,非常有价值,内有源代码,能在VC6下直接编译运行-A car GPS navigation systems, is very valuable, with the active code, can direct the compiler to run under VC6

mapx和vb开发的gis信息系统，实现了基本的各种功能，菜单比较多，还算不错-MapX and vb development gis information systems, the basic implementation of the various functions, menus are more fairly good

mapgis dv ,this is vb program

Mapxtreme示例程序，简单功能的示例实现-MapXtreme sample procedures, a simple function of sample to achieve

基于ArcEngine栅格数据入库。包括ArcEngine9.0与9.2两个版本。-ArcEngine raster data storage

深圳09年最新矢量地图(MapInfo格式)-Shenzhen, in 2009 the latest vector map (MapInfo format)

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。