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提供几篇矢量文件空间索引的资料,主要针对大数据量的shp数据-Several vector file space to provide information on the index

用VC实现，类似于GIS中的放大缩小功能的程序，可供初学者参考，有指定的详细说明和示例代码程序。

基于AO/AE的GIS功能原型。 并且给大家封装好了两个逻辑处理层的DLL，朋友们可以直接引用。是对AO/AE的又一次抽象，开发更加灵活。-based AO/AE prototype GIS functions. Packaging and good for everyone to the two logic layer DLL, and friends can be directly invoked. The AO/AE another abstract and develop more flexible.

北航新地图改版，是GIS的一个作业，对现有地图进行修改！-BUAA revised new map is a GIS operations, modifications to the existing map!

MAPGIS二开教程。。共6个RAR文件，这是第一个-MAPGIS Second Open Directory. . A total of 6 RAR files, this is the first

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.

Delphi实现的高斯投影转换算法，包含使用范例及使用说明，含注释，值得学习，推荐-Delphi realize the conversion of the Gaussian projection algorithm, including the use of examples and instructions, including the Notes, it is worth learning, Recommended

VB＋MapX 实现图层的下拉功能.如打开中国地图,下拉至四川,再到成都地区地图-VB MapX realize the drop-down feature layers. Such as to open the map of China, the drop-down to Sichuan, Chengdu and then map

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.

用c＋＋读写E00文件，文件的显示动能完全实现，但是属性数据还没能读取成功-Using c read and write E00 document, the document shows the full realization of kinetic energy, but the attribute data can be read not successful