SAGA GIS一个地理信息系统平台，用C＋＋编写，包含有常用的GIS算法，能打开E00文件和SHP格式文件...

读取shap文件的动态库，用vc编写，十分好用，c文件加入工程中太麻烦错误多，有了DLL简便很多-Shap read DLL files, using vc prepared, very easy to use, c file to project the error is too cumbersome and more convenient with a lot of DLL

openlayers 例子说明 其中以深圳地图为例，实践webgis电子地图-openlayers examples to illustrate them in Shenzhen map as an example, the practice of WebGIS electronic map

MapObjects Delphi的例子-MapObjects Delphi examples

包括部分空间算法，如计算两坐标点距离、判断两坐标点是否相等、计算叉积、计算点积、判断点p是否在线段l上、计算点bp以点op为圆心逆时针旋转dAlpha(单位：弧度)后所在的坐标点位置、计算指定半径圆上指定角度的弦长、计算由起点坐标和终点坐标构成的线段在指定距离和指定方向的垂点坐标等空间算法-Including some space algorithms, such as calculating the distance between the two coordinates to determine whether the same two coordinates to calculate cross product, point multiplication calculation to determine whether point p on line l above the calculation point to point op for bp counterclockwise rotation center dAlpha (units : radian) after the location where the coordinates of points, calculated on the specified radius of a round angle specified chord length, calculated from the starting point coordinates and end coordinates of the line constitutes a specified distance and specified direction of the vertical space coordinate algorithm

本人总结的GIS中重要的开源库GDAL的使用方法!-I have summarized the important open source GIS library GDAL to use!

一种很实用的扫描算法，主要功能是通过两次扫描找出正方形区域内集聚中心。-a very practical scanning algorithm, the main function is to scan through to find two square region Gathering centers.

Delphi开发平台的GIS开放源码系统，功能涵盖GIS的基本操作，是学习和掌握GIS原理的非常好源码。deDelphi-GIS open source code system in Delphi platform . Includes essential GIS function, which is a good example for the learning and studying the principle of GIS.

实现AE+.NET的基本操作，GIS二次开发-Realize AE+. NET

vc实现GIS地图移动位置功能，双缓冲的运用。-vc mobile GIS map location, dual use of the buffer.

用Visual C++开发的一个坐标转换系统大家打开看看就知道了-Visual C development of a coordinate transformation system opened see in the know