用mapobject 实现坐标投影的读取

本程序为大地测量中高斯投影坐标计算的，包括了正算和反算-This procedure for the geodetic coordinates of Gauss projection calculations, including the calculation of the positive operators and the anti-

收集的很好的C++相关网址，还有一些其他的Gis网址，都是日常累积的-Very good collection of C++ Related web site, there are a number of other Gis Web site, are the daily cumulative

使用VC++开发的微型GIS系统-use VC development of micro-GIS

线型符号的制作,在此基础上可以设计更多的线型-The production of linear symbols, based on this line can be designed more

文件监控程序，用于安全领域很实用！！ 直接监控windows内核，吐血奉献给大家  

实现各种专题图 [VB+MapX],是GIS初学者很值得研究的一个例子-Realize a variety of thematic maps [VB+ MapX], is a GIS for beginners is an example worthy of study

能读写shp,等类型文件自己写的小程序,希望对大家开发GIS程序有帮助-Can read and write shp, such as the type of paper to write their own mini-program, in the hope that everyone has to help the development of GIS procedures

mapX教程 帮助哪些基于OCX来进行电子地址开发的入门教程-mapX tutorials which help to carry out electronic address based on the development of OCX introductory tutorial

mapgis组件开发手册-mapgis Component Development Manual

.net类库形式 加载17monipdb.dat，并提供ip地址解析，public string[] Find(string ip)