WebGIS

这是在C#+supermap开发平台下的缓冲查询的源代码-This is the C#+ Supermap buffer under development platform source code query

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

一个非常好的MapX开发实例，首先要制作.gst文件，在上传的实例中以有“bigchina.gst-a very good example of MapX development, the first production. Aging documents in the case were uploaded to a "bigchina.gst

城市地理信息系统- City geographic information system

处理dem的东东，不错，请大家试用 -dem handle the Eastern, yes, please probation probation

mapxtreme2005初学代码～ 和数据库之间的链接，及简单工具应用-~ mapxtreme2005 beginner code and database links between, and the application of simple tools

用mapobject 实现坐标投影的读取-mapobject used to achieve the projection coordinates read

用ArcGIS Engine实现的空间分析功能的源代码，非常有用。

城市公交地图编辑器源代码-urban transit map editor source code