创建空间索引结构R树的源程序，解压后的文件中有readme文档。...

ArcGIS Engine为用户提供了整套功能强大的GIS框架，本文档介绍如何快速的建立和发布使用ArcGIS Engine定制的GIS应用程序。第三部分-ArcGIS Engine provides users with a full set of powerful GIS framework, this document describes how to quickly build and publish using ArcGIS Engine customized GIS applications. Part III

一个可以重命名workspace 的程序。 演示了如何生成一个com 组件。-You can rename a workspace procedures. Demonstrates how to generate a com component.

电子地图webgis的设计方法介绍，包括设计原则，数据模型等-The design of electronic map webgis methods, including design principles, data models

在状态栏上显示地图坐标！本人是用arcgis server开发的。大家努力啦！-In the status bar to display map coordinates! I am using arcgis server development. U.S. efforts to you!

基于MapXteme 2004的类库，里面封装了一些常用的GIS功能。-MapXteme based on the Class of 2004, a package inside some common GIS functions.

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

基于VS2010开发的GIS小程序，代码还是比较的简单，比较适用于初学者，可能代码还不够完善，希望广大的网友提出指正，也希望这一个代码可以帮助你们。

Visual Studio2003下的GIS编程小实例，第二个-Visual Studio2003 of GIS programming small examples, the second

通过gps采样数据，完成已知两点经纬度求距离。-Sampling through the gps data, the completion of known latitude and longitude points for the distance.

GIS-data地图数据，水，路，桥，大区，县等-GIS-data map data, water, roads, bridges, big districts and counties, such as