vb实现点状符号的绘制，并实现放大缩小功能，

TIN生成等高线的代码。 我是菜鸟一个，高手们看来可能是小菜一碟，但确实花了我不少时间，希望大家互相学习，共同进步。-i m a small bird .it may seem easy for other strong birds,but truly take me much time .i wish wo good good study ,toghter up.

在地理信息系统数据中，有些数据储存过大，要进行压缩！-In the geographic information system data, some data is too large to be compressed!

插件式GIS书籍的原代码，全套代码供大家一起交流和学习-GIS plug-in the original code book, a full set of code for everyone to learn together and communicate

地理信息系统很好的c#编程，学习的好资料~适合初学者使用。-Geographic Information System a good c# programming, learning good information ~ suitable for beginners to use.

基于MAPGIS平台的中国地学断面数字化图形库的建立(caj 格式)-MAPGIS China to study digital graphics section of the library building (CAJ format)

三角网生成 采用三角网生长算法 自动生成随机点，构建三角网-Triangle Generation using triangulation algorithm automatically generate growth random, Construction triangulation

一个GIS地图的DOME，有基本功能：选择变、点选、矩形选择等等。-A GIS map of DOME, a basic function: to choose change, click, rectangular selection and so on.

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

一个基于ArcEngine开发的代码框架， 其中的代码具有很高的参考价值， 能够实现GIS基本功能和空间查询-ArcEngine developed a code based on the framework, in which the code has high reference value, to realize the basic functions of GIS and spatial query

很好的东东，类似一种压缩的程序，但非常简单，c++更既方便大家的应用-good Dongdong, a similar compression procedure, but very simple, c more convenient your application