以前一直在做AO相关的工作，现在转向AE。虽说，AE与AO的语法接近，但是在入门的时候还是比较不好下手的。经过两天的努力，终于在ESRI中国社区上找到一个关于建...

读写中国地球空间数据交换格式源码-read and write Chinese geospatial data exchange format FOSS

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

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.

一个等值线控件可以绘等高线counter-a contour controls can be drawn contours counter

Delphi实效编程百例的随书源代码 这是其中的程序控制部分-Delphi programming effectiveness of the 100 cases with books that the source code is part of the program control

MoNetBroker是对ESRI MapObjects开发包产品的扩展，它以OCX控件和类型库的方式提供给那些熟悉MapObjects的开发人员，帮助他们利用MapObjects中的数据图层，方便地实现几何网络的连通性分析、非连通分析、两点路径分析、多点路由分析等强大的功能。MoNetBroker可以紧密并方便地与MapObjects相结合，实现高效的网络连通性分析和路径分析等功能。并且具有结点转向和线路单行控制、末梢点线选择等丰富的处理能力。-MoNetBroker of ESRI MapObjects Development Kit product expansion, which was OCX controls and type library available to those familiar with MapObjects developers, to help them use MapObjects the data layer, to facilitate the realization of the geometric network connectivity analysis, non-connected, 2:00 path analysis, multiple points of the road analysis by the powerful functions. MoNetBroker can work closely to facilitate the integration and MapObjects to achieve effective network connectivity analysis and pathway analysis capabilities. And with node shift and line single control point line peripheral rich choice of the handling capacity.

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

该程序解决了测量平差中两个基本的平差方式：条件平差和间接平差-the resolution measurement Adjustment Adjustment two basic ways : Conditional Adjustment and indirect adjustment

MapObject Jave Applet源码-MapObject Java Applet FOSS

delphi+Mapx 例子，包括Mapx的放大，缩小等一些基本功能-delphi Mapx examples, including Mapx magnified narrow and some other basic functions