gis 底层开发

这是一篇关于倾斜设计面的三角网法土方量计算的论文，可以作为参考-This is a design on the tilt of the triangular mesh surface earthwork calculation of the papers, can be used as reference

用动态链表实现求凸壳的程序（卷包裹法），供三角网实现编程的人参考-Using dynamic list for the Convex Hull of the realization of procedures (vol Parcel law) for the triangular network programming reference

读写ESRI公司Shape格式文件的C底层类库，十分简洁强大，大名鼎鼎的OGR library中对Shape文件的IO就是用的这个库，包含完整代码，文档和测试工程，或用于C/C++，C#，VB等-Read and write ESRI, Shape file format underlying C library, a very concise powerful, the famous OGR library of Shape files IO is to use the library, contains the complete code, documentation and testing projects, or for C/C+ 2B !, C#, VB, etc.

一个地图导航的程序-a map navigation procedures

用于对空间数据的投影变换。共实现了Albers、Lambert、高斯-克吕格、UTM和Mercator五种投影的正反变换。有需要函数使用说明的可通过EMail向作者索取。-right spatial data for the projection transformation. The total amount of Albers, Lambert, Gaussian- Krger, UTM and five Mercator projection transform the pros. The need to function for use by the author to obtain that extension.

VB+AE(9.2)开发的系统，有简单的地图浏览功能，属性查询，地图打印等-VB+ AE (9.2) development system, a simple map browsing, attribute queries, map printing, etc.

搜寻与地图上指定点最近的道路节点，此源码需调用MapXtreme组件相关功能-search and maps designated points recent road nodes, need to call this source components related functional MapXtreme

ArcGIS Objects网络分析之创建网络数据集，使用IDENetworkDataset等十余个接口和类，直接底层创建。

一个多少人踏遍铁鞋多找不到的GIS系统源码，今天我贴出来给大家共享-a number of people all over the iron shoes of unemployed GIS source, I affixed it to share

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