SVG2MIF is a tool that converts SVG vector drawings to a MIF/MID GIS layer. It a...

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

3维地理信息系统数据模型的设计，很好的例子帮你解决问题-3-dimensional GIS data model design, a good example to help you solve the problem

地图图元修改工具 可批量修改选定图层的地图图元Style。-map plan amendments yuan batch tools can be selected to amend the map layer map yuan Style.

导线网平差VB程序，这个程序是以前自己本科的时候编写的，经过亲自测试是可以用。并且该程序是可以选择根据导线的距离来进行平差的

别人的东东，个人感觉还不错，以后再发我做的-others Dongdong, personal feeling was good, then after I do the hair

vc++ + GIS系统，可以进行简单的空间查询，管理，发布等-vc+++ GIS system that can perform simple spatial query, management, publishing, etc.

这是我在mapinfo下就修文县做的一个消防系统，包含有源表，适合mapinfo工作人员。-MapInfo under the revised County do a fire safety systems, including active table, MapInfo suitable staff.

This source code is very useful to detect the edge of triangle shape.It also can be applied to calculate the perimeter of triangle.

(地图信息系统)中使用的源程序，(地图信息系统)中使用的源程序-(Map information system) used in the source code, (map information system) used in the source code

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.